151 files changed, 11871 insertions, 0 deletions
diff --git a/js/src/tests/test262/ch12/12.10/12.10-0-1.js b/js/src/tests/test262/ch12/12.10/12.10-0-1.js
new file mode 100644
index 000000000..b1da0a5b7
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10-0-1.js
@@ -0,0 +1,26 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10-0-1.js
+ * @description with does not change declaration scope - vars in with are visible outside
+ */
+
+
+function testcase() {
+  var o = {};
+  var f = function () {
+	/* capture foo binding before executing with */
+	return foo;
+      }
+
+  with (o) {
+    var foo = "12.10-0-1";
+  }
+
+  return f()==="12.10-0-1"
+
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10-0-10.js b/js/src/tests/test262/ch12/12.10/12.10-0-10.js
new file mode 100644
index 000000000..60e67f5aa
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10-0-10.js
@@ -0,0 +1,28 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10-0-10.js
+ * @description with introduces scope - name lookup finds function parameter
+ */
+
+
+function testcase() {
+  function f(o) {
+
+    function innerf(o, x) {
+      with (o) {
+        return x;
+      }
+    }
+
+    return innerf(o, 42);
+  }
+  
+  if (f({}) === 42) {
+    return true;
+  }
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10-0-11.js b/js/src/tests/test262/ch12/12.10/12.10-0-11.js
new file mode 100644
index 000000000..183ee45f7
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10-0-11.js
@@ -0,0 +1,30 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10-0-11.js
+ * @description with introduces scope - name lookup finds inner variable
+ */
+
+
+function testcase() {
+  function f(o) {
+
+    function innerf(o) {
+      var x = 42;
+
+      with (o) {
+        return x;
+      }
+    }
+
+    return innerf(o);
+  }
+  
+  if (f({}) === 42) {
+    return true;
+  }
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10-0-12.js b/js/src/tests/test262/ch12/12.10/12.10-0-12.js
new file mode 100644
index 000000000..a2a22518b
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10-0-12.js
@@ -0,0 +1,28 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10-0-12.js
+ * @description with introduces scope - name lookup finds property
+ */
+
+
+function testcase() {
+  function f(o) {
+
+    function innerf(o) {
+      with (o) {
+        return x;
+      }
+    }
+
+    return innerf(o);
+  }
+  
+  if (f({x:42}) === 42) {
+    return true;
+  }
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10-0-3.js b/js/src/tests/test262/ch12/12.10/12.10-0-3.js
new file mode 100644
index 000000000..22d67781e
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10-0-3.js
@@ -0,0 +1,22 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10-0-3.js
+ * @description with introduces scope - that is captured by function expression
+ */
+
+
+function testcase() {
+  var o = {prop: "12.10-0-3 before"};
+  var f;
+
+  with (o) {
+    f = function () { return prop; }
+  }
+  o.prop = "12.10-0-3 after";
+  return f()==="12.10-0-3 after"
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10-0-7.js b/js/src/tests/test262/ch12/12.10/12.10-0-7.js
new file mode 100644
index 000000000..0f780d59e
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10-0-7.js
@@ -0,0 +1,26 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10-0-7.js
+ * @description with introduces scope - scope removed when exiting with statement
+ */
+
+
+function testcase() {
+  var o = {foo: 1};
+
+  with (o) {
+    foo = 42;
+  }
+
+  try {
+    foo;
+  }
+  catch (e) {
+     return true;
+  }
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10-0-8.js b/js/src/tests/test262/ch12/12.10/12.10-0-8.js
new file mode 100644
index 000000000..613734890
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10-0-8.js
@@ -0,0 +1,21 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10-0-8.js
+ * @description with introduces scope - var initializer sets like named property
+ */
+
+
+function testcase() {
+  var o = {foo: 42};
+
+  with (o) {
+    var foo = "set in with";
+  }
+
+  return o.foo === "set in with";
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10-0-9.js b/js/src/tests/test262/ch12/12.10/12.10-0-9.js
new file mode 100644
index 000000000..746542ffa
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10-0-9.js
@@ -0,0 +1,29 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10-0-9.js
+ * @description with introduces scope - name lookup finds outer variable
+ */
+
+
+function testcase() {
+  function f(o) {
+    var x = 42;
+
+    function innerf(o) {
+      with (o) {
+        return x;
+      }
+    }
+
+    return innerf(o);
+  }
+  
+  if (f({}) === 42) {
+    return true;
+  }
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10-2-1.js b/js/src/tests/test262/ch12/12.10/12.10-2-1.js
new file mode 100644
index 000000000..3ba1eb1eb
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10-2-1.js
@@ -0,0 +1,27 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10-2-1.js
+ * @description with - expression being Number
+ */
+
+
+function testcase() {
+  var o = 2;
+  var foo = 1;
+  try
+  {
+    with (o) {
+      foo = 42;
+    }
+  }
+  catch(e)
+  {
+  }
+  return true;
+  
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10-2-2.js b/js/src/tests/test262/ch12/12.10/12.10-2-2.js
new file mode 100644
index 000000000..a4de02221
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10-2-2.js
@@ -0,0 +1,27 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10-2-2.js
+ * @description with - expression being Boolean
+ */
+
+
+function testcase() {
+  var o = true;
+  var foo = 1;
+  try
+  {
+    with (o) {
+      foo = 42;
+    }
+  }
+  catch(e)
+  {
+  }
+  return true;
+  
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10-2-3.js b/js/src/tests/test262/ch12/12.10/12.10-2-3.js
new file mode 100644
index 000000000..07003092c
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10-2-3.js
@@ -0,0 +1,27 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10-2-3.js
+ * @description with - expression being string
+ */
+
+
+function testcase() {
+  var o = "str";
+  var foo = 1;
+  try
+  {
+    with (o) {
+      foo = 42;
+    }
+  }
+  catch(e)
+  {
+  }
+  return true;
+  
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10-7-1.js b/js/src/tests/test262/ch12/12.10/12.10-7-1.js
new file mode 100644
index 000000000..6292efd97
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10-7-1.js
@@ -0,0 +1,32 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10-7-1.js
+ * @description with introduces scope - restores the earlier environment on exit
+ */
+
+
+function testcase() {
+  var a = 1;
+
+  var o = {a : 2};
+  try
+  {
+    with (o) {
+      a = 3;
+      throw 1;
+      a = 4;
+    }
+  }
+  catch(e)
+  {}
+
+  if (a === 1 && o.a === 3) {
+      return true;
+  }
+
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-1-s.js b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-1-s.js
new file mode 100644
index 000000000..3c042e412
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-1-s.js
@@ -0,0 +1,31 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10.1/12.10.1-1-s.js
+ * @description with statement in strict mode throws SyntaxError (strict function)
+ * @onlyStrict
+ */
+
+
+function testcase() {
+
+  try {
+    // wrapping it in eval since this needs to be a syntax error. The
+    // exception thrown must be a SyntaxError exception.
+    eval("\
+          function f() {\
+            \'use strict\';\
+            var o = {}; \
+            with (o) {};\
+          }\
+        ");
+    return false;
+  }
+  catch (e) {
+    return(e instanceof SyntaxError); 
+	}
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-10-s.js b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-10-s.js
new file mode 100644
index 000000000..4e470b517
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-10-s.js
@@ -0,0 +1,30 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10.1/12.10.1-10-s.js
+ * @description with statement in strict mode throws SyntaxError (eval, where the container function is strict)
+ * @onlyStrict
+ */
+
+
+function testcase() {
+  'use strict';
+  
+  // wrapping it in eval since this needs to be a syntax error. The
+  // exception thrown must be a SyntaxError exception. Note that eval
+  // inherits the strictness of its calling context.  
+  try {
+    eval("\
+          var o = {};\
+          with (o) {}\
+       ");
+    return false;
+  }
+  catch (e) {
+    return (e instanceof SyntaxError);
+  }
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-11-s.js b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-11-s.js
new file mode 100644
index 000000000..3c4e81daa
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-11-s.js
@@ -0,0 +1,23 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10.1/12.10.1-11-s.js
+ * @description Strict Mode - SyntaxError is thrown when using WithStatement in strict mode code
+ * @onlyStrict
+ */
+
+
+function testcase() {
+        "use strict";
+        try {
+            eval("with ({}) { throw new Error();}");
+
+            return false;
+        } catch (e) {
+            return e instanceof SyntaxError;
+        }
+    }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-11gs.js b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-11gs.js
new file mode 100644
index 000000000..b40b37236
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-11gs.js
@@ -0,0 +1,16 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+
+/**
+ * @path ch12/12.10/12.10.1/12.10.1-11gs.js
+ * @description Strict Mode - SyntaxError is thrown when using with statement
+ * @onlyStrict
+ * @negative ^((?!NotEarlyError).)*$
+ */
+
+"use strict";
+throw NotEarlyError;
+with ({}) { }
diff --git a/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-12-s.js b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-12-s.js
new file mode 100644
index 000000000..0f327297d
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-12-s.js
@@ -0,0 +1,26 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10.1/12.10.1-12-s.js
+ * @description with statement in strict mode throws SyntaxError (strict eval)
+ * @onlyStrict
+ */
+
+
+function testcase() {
+  try {
+    eval("\
+          'use strict'; \
+          var o = {}; \
+          with (o) {}\
+        ");
+    return false;
+  }
+  catch (e) {
+    return (e instanceof SyntaxError) ;
+  }
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-13-s.js b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-13-s.js
new file mode 100644
index 000000000..39d56659e
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-13-s.js
@@ -0,0 +1,19 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10.1/12.10.1-13-s.js
+ * @description Strict Mode - SyntaxError isn't thrown when WithStatement body is in strict mode code
+ * @noStrict
+ */
+
+
+function testcase() {
+        with ({}) {
+            "use strict";
+        }
+        return true;
+    }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-14-s.js b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-14-s.js
new file mode 100644
index 000000000..0e7e685b7
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-14-s.js
@@ -0,0 +1,24 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10.1/12.10.1-14-s.js
+ * @description Strict Mode - SyntaxError is thrown when the getter of a literal object utilizes WithStatement
+ * @onlyStrict
+ */
+
+
+function testcase() {
+        "use strict";
+
+        try {
+            eval("var obj = { get: function (a) { with(a){} } }; ");
+
+            return false;
+        } catch (e) {
+            return e instanceof SyntaxError;
+        }
+    }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-15-s.js b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-15-s.js
new file mode 100644
index 000000000..8621631f6
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-15-s.js
@@ -0,0 +1,23 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10.1/12.10.1-15-s.js
+ * @description Strict Mode - SyntaxError is thrown when the RHS of a dot property assignment utilizes WithStatement
+ * @onlyStrict
+ */
+
+
+function testcase() {
+        "use strict";
+
+        try {
+            eval("var obj = {}; obj.get = function (a) { with(a){} }; ");
+            return false;
+        } catch (e) {
+            return e instanceof SyntaxError;
+        }
+    }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-16-s.js b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-16-s.js
new file mode 100644
index 000000000..e798b5715
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-16-s.js
@@ -0,0 +1,23 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10.1/12.10.1-16-s.js
+ * @description Strict Mode - SyntaxError is thrown when the RHS of an object indexer assignment utilizes WithStatement
+ * @onlyStrict
+ */
+
+
+function testcase() {
+        "use strict";
+
+        try {
+            eval("var obj = {}; obj['get'] = function (a) { with(a){} };  ");
+            return false;
+        } catch (e) {
+            return e instanceof SyntaxError;
+        }
+    }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-2-s.js b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-2-s.js
new file mode 100644
index 000000000..211a1386e
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-2-s.js
@@ -0,0 +1,32 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10.1/12.10.1-2-s.js
+ * @description with statement in strict mode throws SyntaxError (nested function where container is strict)
+ * @onlyStrict
+ */
+
+
+function testcase() {
+  try {
+    // wrapping it in eval since this needs to be a syntax error. The
+    // exception thrown must be a SyntaxError exception.
+    eval("\
+          function foo() {\
+            \'use strict\'; \
+            function f() {\
+                var o = {}; \
+                with (o) {};\
+            }\
+          }\
+        ");
+    return false;
+  }
+  catch (e) {
+    return (e instanceof SyntaxError);
+  }
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-3-s.js b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-3-s.js
new file mode 100644
index 000000000..8b0d2961b
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-3-s.js
@@ -0,0 +1,32 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10.1/12.10.1-3-s.js
+ * @description with statement in strict mode throws SyntaxError (nested strict function)
+ * @onlyStrict
+ */
+
+
+function testcase() {
+  try {
+    // wrapping it in eval since this needs to be a syntax error. The
+    // exception thrown must be a SyntaxError exception.
+    eval("\
+            function foo() {\
+                function f() {\
+                  \'use strict\'; \
+                  var o = {}; \
+                  with (o) {};\
+                }\
+              }\
+        ");
+    return false;
+  }
+  catch (e) {
+    return (e instanceof SyntaxError);
+  }
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-4-s.js b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-4-s.js
new file mode 100644
index 000000000..adb09673b
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-4-s.js
@@ -0,0 +1,27 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10.1/12.10.1-4-s.js
+ * @description with statement in strict mode throws SyntaxError (strict Function)
+ * @onlyStrict
+ */
+
+
+function testcase() {
+  try {
+    var f = Function("\
+                      \'use strict\';  \
+                      var o = {}; \
+                      with (o) {};\
+                    ");
+    return false;
+  }
+  catch (e) {
+    return (e instanceof SyntaxError);
+	
+  }
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-5-s.js b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-5-s.js
new file mode 100644
index 000000000..3a1ea1ad8
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-5-s.js
@@ -0,0 +1,19 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10.1/12.10.1-5-s.js
+ * @description with statement allowed in nested Function even if its container Function is strict)
+ * @onlyStrict
+ */
+
+
+function testcase() {
+  
+    Function("\'use strict\'; var f1 = Function( \"var o = {}; with (o) {};\")");
+    return true;
+  
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-7-s.js b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-7-s.js
new file mode 100644
index 000000000..0ceb2097e
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-7-s.js
@@ -0,0 +1,28 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10.1/12.10.1-7-s.js
+ * @description with statement in strict mode throws SyntaxError (function expression, where the container function is directly evaled from strict code)
+ * @onlyStrict
+ */
+
+
+function testcase() {
+  'use strict';
+
+  try {
+    eval("var f = function () {\
+                var o = {}; \
+                with (o) {}; \
+             }\
+        ");
+    return false;
+  }
+  catch (e) {
+    return (e instanceof SyntaxError);
+  }
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-8-s.js b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-8-s.js
new file mode 100644
index 000000000..55cfa8e4e
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-8-s.js
@@ -0,0 +1,28 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10.1/12.10.1-8-s.js
+ * @description with statement in strict mode throws SyntaxError (function expression, where the container Function is strict)
+ * @onlyStrict
+ */
+
+
+function testcase() {
+  try {
+    Function("\
+              \'use strict\'; \
+              var f1 = function () {\
+                  var o = {}; \
+                  with (o) {}; \
+                }\
+            ");
+    return false;
+  }
+  catch (e) {
+    return (e instanceof SyntaxError);
+  }
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-9-s.js b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-9-s.js
new file mode 100644
index 000000000..b0e29e256
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10.1/12.10.1-9-s.js
@@ -0,0 +1,28 @@
+/// Copyright (c) 2012 Ecma International.  All rights reserved. 
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the 
+/// "Use Terms").   Any redistribution of this code must retain the above 
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch12/12.10/12.10.1/12.10.1-9-s.js
+ * @description with statement in strict mode throws SyntaxError (strict function expression)
+ * @onlyStrict
+ */
+
+
+function testcase() {
+  try {
+    eval("\
+          var f = function () {\
+                \'use strict\';\
+                var o = {}; \
+                with (o) {}; \
+              }\
+        ");
+    return false;
+  }
+  catch (e) {
+    return (e instanceof SyntaxError) ;
+  }
+ }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch12/12.10/12.10.1/browser.js b/js/src/tests/test262/ch12/12.10/12.10.1/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10.1/browser.js
diff --git a/js/src/tests/test262/ch12/12.10/12.10.1/shell.js b/js/src/tests/test262/ch12/12.10/12.10.1/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/12.10.1/shell.js
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.10_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.10_T1.js
new file mode 100644
index 000000000..2256e66b7
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.10_T1.js
@@ -0,0 +1,139 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.10_T1.js
+ * @description Using interation statement within "with" statement leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+with(myObj){
+  do{
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+  while(false);
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === "x4")){
+  $ERROR('#4: p4 === "x4". Actual:  p4 ==='+ p4  );
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.10_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.10_T2.js
new file mode 100644
index 000000000..35978c0d3
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.10_T2.js
@@ -0,0 +1,148 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.10_T2.js
+ * @description Using iteration statement within "with" statement leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  with(myObj){
+    do{
+      st_p1 = p1;
+      st_p2 = p2;
+      st_p3 = p3;
+      st_parseInt = parseInt;
+      st_NaN = NaN;
+      st_Infinity = Infinity;
+      st_eval = eval;
+      st_parseFloat = parseFloat;
+      st_isNaN = isNaN;
+      st_isFinite = isFinite;
+      p1 = 'x1';
+      this.p2 = 'x2';
+      del = delete p3;
+      var p4 = 'x4';
+      p5 = 'x5';
+      var value = 'value';
+      throw value;
+    }
+    while(false);
+  }
+} catch(e){
+  result = e;
+}
+
+if(!(result === "value")){
+  $ERROR('#0: result === "value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === "x4")){
+  $ERROR('#4: p4 === "x4". Actual:  p4 ==='+ p4  );
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.10_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.10_T3.js
new file mode 100644
index 000000000..b7f67f521
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.10_T3.js
@@ -0,0 +1,151 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.10_T3.js
+ * @description Using iteration statment withing "with" statement leading to completion by exception
+ * iteration statement inside with statement - exception completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  with(myObj){
+    do{
+      throw value;
+      st_p1 = p1;
+      st_p2 = p2;
+      st_p3 = p3;
+      st_parseInt = parseInt;
+      st_NaN = NaN;
+      st_Infinity = Infinity;
+      st_eval = eval;
+      st_parseFloat = parseFloat;
+      st_isNaN = isNaN;
+      st_isFinite = isFinite;
+      p1 = 'x1';
+      this.p2 = 'x2';
+      del = delete p3;
+      var p4 = 'x4';
+      p5 = 'x5';
+      var value = 'value';
+    }
+    while(false);
+  }
+} catch(e){
+  result = e;
+}
+
+if(!(result === "myObj_value")){
+  $ERROR('#0: result === "myObj_value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === undefined)){
+  $ERROR('#4: p4 === undefined. Actual:  p4 ==='+ p4  );
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.10_T4.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.10_T4.js
new file mode 100644
index 000000000..87ba7f654
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.10_T4.js
@@ -0,0 +1,141 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.10_T4.js
+ * @description Using iteration statement witthin "with" staement leading to completion by break
+ * iteration statement inside with statement - break completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+with(myObj){
+  do{
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+    break;
+  }
+  while(false);
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === "x4")){
+  $ERROR('#4: p4 === "x4". Actual:  p4 ==='+ p4  );
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.10_T5.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.10_T5.js
new file mode 100644
index 000000000..05d7d8d04
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.10_T5.js
@@ -0,0 +1,142 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.10_T5.js
+ * @description Using iteration statement within "with" statement leading to completion by break
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+with(myObj){
+  do{
+    break;
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+  while(false);
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === undefined)){
+  $ERROR('#4: p4 === undefined. Actual:  p4 ==='+ p4  );
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.11_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.11_T1.js
new file mode 100644
index 000000000..a939778d8
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.11_T1.js
@@ -0,0 +1,147 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.11_T1.js
+ * @description Calling a function within "with" statement declared without the statement, leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+var f = function(){
+  st_p1 = p1;
+  st_p2 = p2;
+  st_p3 = p3;
+  st_parseInt = parseInt;
+  st_NaN = NaN;
+  st_Infinity = Infinity;
+  st_eval = eval;
+  st_parseFloat = parseFloat;
+  st_isNaN = isNaN;
+  st_isFinite = isFinite;
+  p1 = 'x1';
+  this.p2 = 'x2';
+  del = delete p3;
+  var p4 = 'x4';
+  p5 = 'x5';
+  var value = 'value';
+}
+
+with(myObj){
+  f();
+}
+
+if(!(p1 === "x1")){
+  $ERROR('#1: p1 === "x1". Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+try{
+  p3;
+  $ERROR('#3: p3 is nod defined');
+}
+catch(e){
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === parseInt)){
+  $ERROR('#11: st_parseInt === parseInt. Actual:  st_parseInt ==='+ st_parseInt  );
+}
+
+if(!isNaN(st_NaN)){
+  $ERROR('#12: st_NaN === NaN. Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === Infinity)){
+  $ERROR('#13: st_Infinity === Infinity. Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === eval)){
+  $ERROR('#14: st_eval === eval. Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === parseFloat)){
+  $ERROR('#15: st_parseFloat === parseFloat. Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === isNaN)){
+  $ERROR('#16: st_isNaN === isNaN. Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === isFinite)){
+  $ERROR('#17: st_isFinite === isFinite. Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+try {
+  value;
+  $ERROR('#18: value is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.11_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.11_T2.js
new file mode 100644
index 000000000..cfbefef48
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.11_T2.js
@@ -0,0 +1,152 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.11_T2.js
+ * @description Calling a function within "with" statement declared without the statement, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+var f = function(){
+  st_p1 = p1;
+  st_p2 = p2;
+  st_p3 = p3;
+  st_parseInt = parseInt;
+  st_NaN = NaN;
+  st_Infinity = Infinity;
+  st_eval = eval;
+  st_parseFloat = parseFloat;
+  st_isNaN = isNaN;
+  st_isFinite = isFinite;
+  p1 = 'x1';
+  this.p2 = 'x2';
+  del = delete p3;
+  var p4 = 'x4';
+  p5 = 'x5';
+  var value = 'value';
+  return value;
+}
+
+with(myObj){
+  result = f();
+}
+
+if(!(result === "value")){
+  $ERROR('#0: result === "value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === "x1")){
+  $ERROR('#1: p1 === "x1". Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+try{
+  p3;
+  $ERROR('#3: p3 is nod defined');
+}
+catch(e){
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === parseInt)){
+  $ERROR('#11: st_parseInt === parseInt. Actual:  st_parseInt ==='+ st_parseInt  );
+}
+
+if(!isNaN(st_NaN)){
+  $ERROR('#12: st_NaN === NaN. Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === Infinity)){
+  $ERROR('#13: st_Infinity === Infinity. Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === eval)){
+  $ERROR('#14: st_eval === eval. Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === parseFloat)){
+  $ERROR('#15: st_parseFloat === parseFloat. Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === isNaN)){
+  $ERROR('#16: st_isNaN === isNaN. Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === isFinite)){
+  $ERROR('#17: st_isFinite === isFinite. Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+try {
+  value;
+  $ERROR('#18: value is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.11_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.11_T3.js
new file mode 100644
index 000000000..9d68c9c9d
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.11_T3.js
@@ -0,0 +1,152 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.11_T3.js
+ * @description Calling a function within "with" statement declared without the statement, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+var f = function(){
+  return value;
+  st_p1 = p1;
+  st_p2 = p2;
+  st_p3 = p3;
+  st_parseInt = parseInt;
+  st_NaN = NaN;
+  st_Infinity = Infinity;
+  st_eval = eval;
+  st_parseFloat = parseFloat;
+  st_isNaN = isNaN;
+  st_isFinite = isFinite;
+  p1 = 'x1';
+  this.p2 = 'x2';
+  del = delete p3;
+  var p4 = 'x4';
+  p5 = 'x5';
+  var value = 'value';
+}
+
+with(myObj){
+  result = f();
+}
+
+if(!(result === undefined)){
+  $ERROR('#0: result === undefined. Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try{
+  p4;
+  $ERROR('#4: p4 doesn\'t exists');
+}
+catch(e){
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+try {
+  value;
+  $ERROR('#18: value is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.11_T4.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.11_T4.js
new file mode 100644
index 000000000..d2fc84a75
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.11_T4.js
@@ -0,0 +1,155 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.11_T4.js
+ * @description Calling a function within "with" statement declared without the statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  var f = function(){
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+    throw value;
+  }
+  with(myObj){
+    f();
+  }
+} catch(e){
+  result = e;
+}
+
+if(!(result === "value")){
+  $ERROR('#0: result === "value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === "x1")){
+  $ERROR('#1: p1 === "x1". Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+try{
+  p3;
+  $ERROR('#3: p3 is nod defined');
+}
+catch(e){
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === parseInt)){
+  $ERROR('#11: st_parseInt === parseInt. Actual:  st_parseInt ==='+ st_parseInt  );
+}
+
+if(!isNaN(st_NaN)){
+  $ERROR('#12: st_NaN === NaN. Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === Infinity)){
+  $ERROR('#13: st_Infinity === Infinity. Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === eval)){
+  $ERROR('#14: st_eval === eval. Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === parseFloat)){
+  $ERROR('#15: st_parseFloat === parseFloat. Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === isNaN)){
+  $ERROR('#16: st_isNaN === isNaN. Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === isFinite)){
+  $ERROR('#17: st_isFinite === isFinite. Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+try {
+  value;
+  $ERROR('#18: value is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.11_T5.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.11_T5.js
new file mode 100644
index 000000000..9dfc0e5dc
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.11_T5.js
@@ -0,0 +1,155 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.11_T5.js
+ * @description Calling a function within "with" statement declared without the statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  var f = function(){
+    throw value;
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+  with(myObj){
+    f();
+  }
+} catch(e){
+  result = e;
+}
+
+if(!(result === undefined)){
+  $ERROR('#0: result === undefined. Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try{
+  p4;
+  $ERROR('#4: p4 doesn\'t exists');
+}
+catch(e){
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+try {
+  value;
+  $ERROR('#18: value is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.12_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.12_T1.js
new file mode 100644
index 000000000..6ccbf0ca7
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.12_T1.js
@@ -0,0 +1,144 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.12_T1.js
+ * @description Calling a function without "with" statement declared within the statement, leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+with(myObj){
+  var f = function(){
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+}
+f();
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try{
+  p4;
+  $ERROR('#4: p4 doesn\'t exists');
+}
+catch(e){
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+try {
+  value;
+  $ERROR('#18: value is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.12_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.12_T2.js
new file mode 100644
index 000000000..bd0cbe0f8
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.12_T2.js
@@ -0,0 +1,150 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.12_T2.js
+ * @description Calling a function without "with" statement declared within the statement, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+with(myObj){
+  var f = function(){
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+    return value;
+  }
+}
+result = f();
+
+if(!(result === "value")){
+  $ERROR('#0: result === "value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try{
+  p4;
+  $ERROR('#4: p4 doesn\'t exists');
+}
+catch(e){
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.12_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.12_T3.js
new file mode 100644
index 000000000..39ab7d395
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.12_T3.js
@@ -0,0 +1,152 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.12_T3.js
+ * @description Calling a function without "with" statement declared within the statement, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+with(myObj){
+  var f = function(){
+    return value;
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+}
+result = f();
+
+if(!(result === undefined)){
+  $ERROR('#0: result === undefined. Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.12_T4.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.12_T4.js
new file mode 100644
index 000000000..49b58c6d5
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.12_T4.js
@@ -0,0 +1,152 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.12_T4.js
+ * @description Calling a function without "with" statement declared within the statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  with(myObj){
+    var f = function(){
+      st_p1 = p1;
+      st_p2 = p2;
+      st_p3 = p3;
+      st_parseInt = parseInt;
+      st_NaN = NaN;
+      st_Infinity = Infinity;
+      st_eval = eval;
+      st_parseFloat = parseFloat;
+      st_isNaN = isNaN;
+      st_isFinite = isFinite;
+      p1 = 'x1';
+      this.p2 = 'x2';
+      del = delete p3;
+      var p4 = 'x4';
+      p5 = 'x5';
+      var value = 'value';
+      throw value;
+    }
+  }
+  f();
+} catch(e){
+  result = e;
+}
+
+if(!(result === "value")){
+  $ERROR('#0: result === "value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+try {
+  value;
+  $ERROR('#18: value is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.12_T5.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.12_T5.js
new file mode 100644
index 000000000..2e3534367
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.12_T5.js
@@ -0,0 +1,156 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.12_T5.js
+ * @description Calling a function without "with" statement declared within the statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  with(myObj){
+    var f = function(){
+      throw value;
+      st_p1 = p1;
+      st_p2 = p2;
+      st_p3 = p3;
+      st_parseInt = parseInt;
+      st_NaN = NaN;
+      st_Infinity = Infinity;
+      st_eval = eval;
+      st_parseFloat = parseFloat;
+      st_isNaN = isNaN;
+      st_isFinite = isFinite;
+      p1 = 'x1';
+      this.p2 = 'x2';
+      del = delete p3;
+      var p4 = 'x4';
+      p5 = 'x5';
+      var value = 'value';
+    }
+  }
+  f();
+} catch(e){
+  result = e;
+}
+
+if(!(result === undefined)){
+  $ERROR('#0: result === undefined. Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.1_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.1_T1.js
new file mode 100644
index 000000000..a749c9c20
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.1_T1.js
@@ -0,0 +1,136 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.1_T1.js
+ * @description Using "with" inside of global context leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+with(myObj){
+  st_p1 = p1;
+  st_p2 = p2;
+  st_p3 = p3;
+  st_parseInt = parseInt;
+  st_NaN = NaN;
+  st_Infinity = Infinity;
+  st_eval = eval;
+  st_parseFloat = parseFloat;
+  st_isNaN = isNaN;
+  st_isFinite = isFinite;
+  p1 = 'x1';
+  this.p2 = 'x2';
+  del = delete p3;
+  var p4 = 'x4';
+  p5 = 'x5';
+  var value = 'value';
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === "x4")){
+  $ERROR('#4: p4 === "x4". Actual:  p4 ==='+ p4  );
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.1_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.1_T2.js
new file mode 100644
index 000000000..d07cb0e69
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.1_T2.js
@@ -0,0 +1,145 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.1_T2.js
+ * @description Using "with" inside of global context leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  with(myObj){
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+    throw value;
+  }
+} catch(e){
+  result = e;
+}
+
+if(!(result === "value")){
+  $ERROR('#0: result === "value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === "x4")){
+  $ERROR('#4: p4 === "x4". Actual:  p4 ==='+ p4  );
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.1_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.1_T3.js
new file mode 100644
index 000000000..200209019
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.1_T3.js
@@ -0,0 +1,147 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.1_T3.js
+ * @description Using "with" inside of global context leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  with(myObj){
+    throw value;
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+} catch(e){
+  result = e;
+}
+
+if(!(result === "myObj_value")){
+  $ERROR('#0: result === "myObj_value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === undefined)){
+  $ERROR('#4: p4 === undefined. Actual:  p4 ==='+ p4  );
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.2_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.2_T1.js
new file mode 100644
index 000000000..20a344d48
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.2_T1.js
@@ -0,0 +1,144 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.2_T1.js
+ * @description Calling a function without "with" statement when the statement itself is declared within the function declaration, leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+var f = function(){
+  with(myObj){
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+}
+f();
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.2_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.2_T2.js
new file mode 100644
index 000000000..39312c70a
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.2_T2.js
@@ -0,0 +1,149 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.2_T2.js
+ * @description Calling a function without "with" statement when the statement itself is declared within the function declaration, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+var f = function(){
+  with(myObj){
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+    return value;
+  }
+}
+result = f();
+
+if(!(result === "value")){
+  $ERROR('#0: result === "value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.2_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.2_T3.js
new file mode 100644
index 000000000..f34c7cb94
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.2_T3.js
@@ -0,0 +1,152 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.2_T3.js
+ * @description Calling a function without "with" statement when the statement itself is declared within the function declaration, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+var f = function(){
+  with(myObj){
+    return value;
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+}
+result = f();
+
+if(!(result === "myObj_value")){
+  $ERROR('#0: result === "myObj_value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.2_T4.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.2_T4.js
new file mode 100644
index 000000000..f8bff8e20
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.2_T4.js
@@ -0,0 +1,153 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.2_T4.js
+ * @description Calling a function without "with" statement when the statement itself is declared within the function declaration, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  var f = function(){
+    with(myObj){
+      st_p1 = p1;
+      st_p2 = p2;
+      st_p3 = p3;
+      st_parseInt = parseInt;
+      st_NaN = NaN;
+      st_Infinity = Infinity;
+      st_eval = eval;
+      st_parseFloat = parseFloat;
+      st_isNaN = isNaN;
+      st_isFinite = isFinite;
+      p1 = 'x1';
+      this.p2 = 'x2';
+      del = delete p3;
+      var p4 = 'x4';
+      p5 = 'x5';
+      var value = 'value';
+      throw value;
+    }
+  }
+  f();
+} catch(e){
+  result = e;
+}
+
+if(!(result === "value")){
+  $ERROR('#0: result === "value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.2_T5.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.2_T5.js
new file mode 100644
index 000000000..d67f69d6d
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.2_T5.js
@@ -0,0 +1,151 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.2_T5.js
+ * @description Calling a function without "with" statement when the statement itself is declared within the function declaration, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  var f = function(){
+    with(myObj){
+      throw value;
+      st_p1 = p1;
+      st_p2 = p2;
+      st_p3 = p3;
+      st_parseInt = parseInt;
+      st_NaN = NaN;
+      st_Infinity = Infinity;
+      st_eval = eval;
+      st_parseFloat = parseFloat;
+      st_isNaN = isNaN;
+      st_isFinite = isFinite;
+      p1 = 'x1';
+      this.p2 = 'x2';
+      del = delete p3;
+      var p4 = 'x4';
+      p5 = 'x5';
+      var value = 'value';
+    }
+  }
+  f();
+} catch(e){
+  result = e;
+}
+
+if(!(result === "myObj_value")){
+  $ERROR('#0: result === "myObj_value". Actual:  result ==='+ result  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.3_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.3_T1.js
new file mode 100644
index 000000000..3e453847b
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.3_T1.js
@@ -0,0 +1,144 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.3_T1.js
+ * @description Using "with" statement within function constructor, leading to normal completition
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+var f = function(){
+  with(myObj){
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+}
+var obj = new f();
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.3_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.3_T2.js
new file mode 100644
index 000000000..183d0dabf
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.3_T2.js
@@ -0,0 +1,145 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.3_T2.js
+ * @description Using "with" statement within function constructor, leading to normal completition by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+var f = function(){
+  with(myObj){
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+    return value;
+  }
+}
+var obj = new f();
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.3_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.3_T3.js
new file mode 100644
index 000000000..e413f3918
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.3_T3.js
@@ -0,0 +1,148 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.3_T3.js
+ * @description Using "with" statement within function constructor, leading to normal completition by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+var f = function(){
+  with(myObj){
+    return value;
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+}
+var obj = new f();
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.3_T4.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.3_T4.js
new file mode 100644
index 000000000..7ac5823f7
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.3_T4.js
@@ -0,0 +1,149 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.3_T4.js
+ * @description Using "with" statement within function constructor, leading to completition by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  var f = function(){
+    with(myObj){
+      st_p1 = p1;
+      st_p2 = p2;
+      st_p3 = p3;
+      st_parseInt = parseInt;
+      st_NaN = NaN;
+      st_Infinity = Infinity;
+      st_eval = eval;
+      st_parseFloat = parseFloat;
+      st_isNaN = isNaN;
+      st_isFinite = isFinite;
+      p1 = 'x1';
+      this.p2 = 'x2';
+      del = delete p3;
+      var p4 = 'x4';
+      p5 = 'x5';
+      var value = 'value';
+      throw value;
+    }
+  }
+  var obj = new f();
+} catch(e){
+  result = e;
+}
+
+if(!(result === "value")){
+  $ERROR('#0: result === "value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.3_T5.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.3_T5.js
new file mode 100644
index 000000000..41b85c6dc
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.3_T5.js
@@ -0,0 +1,156 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.3_T5.js
+ * @description Using "with" statement within function constructor, leading to completition by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  var f = function(){
+    with(myObj){
+      throw value;
+      st_p1 = p1;
+      st_p2 = p2;
+      st_p3 = p3;
+      st_parseInt = parseInt;
+      st_NaN = NaN;
+      st_Infinity = Infinity;
+      st_eval = eval;
+      st_parseFloat = parseFloat;
+      st_isNaN = isNaN;
+      st_isFinite = isFinite;
+      p1 = 'x1';
+      this.p2 = 'x2';
+      del = delete p3;
+      var p4 = 'x4';
+      p5 = 'x5';
+      var value = 'value';
+    }
+  }
+  var obj = new f();
+} catch(e){
+  result = e;
+}
+
+if(!(result === "myObj_value")){
+  $ERROR('#0: result === "myObj_value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.4_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.4_T1.js
new file mode 100644
index 000000000..2bbec00ec
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.4_T1.js
@@ -0,0 +1,139 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.4_T1.js
+ * @description Using "with" statement within iteration statement, leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+do{
+  with(myObj){
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+}
+while(false);
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === "x4")){
+  $ERROR('#4: p4 === "x4". Actual:  p4 ==='+ p4  );
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.4_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.4_T2.js
new file mode 100644
index 000000000..9bafbb075
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.4_T2.js
@@ -0,0 +1,148 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.4_T2.js
+ * @description Using "with" statement within iteration statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  do{
+    with(myObj){
+      st_p1 = p1;
+      st_p2 = p2;
+      st_p3 = p3;
+      st_parseInt = parseInt;
+      st_NaN = NaN;
+      st_Infinity = Infinity;
+      st_eval = eval;
+      st_parseFloat = parseFloat;
+      st_isNaN = isNaN;
+      st_isFinite = isFinite;
+      p1 = 'x1';
+      this.p2 = 'x2';
+      del = delete p3;
+      var p4 = 'x4';
+      p5 = 'x5';
+      var value = 'value';
+      throw value;
+    }
+  }
+  while(false);
+} catch(e){
+  result = e;
+}
+
+if(!(result === "value")){
+  $ERROR('#0: result === "value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === "x4")){
+  $ERROR('#4: p4 === "x4". Actual:  p4 ==='+ p4  );
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.4_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.4_T3.js
new file mode 100644
index 000000000..3b3e72f8a
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.4_T3.js
@@ -0,0 +1,150 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.4_T3.js
+ * @description Using "with" statement within iteration statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  do{
+    with(myObj){
+      throw value;
+      st_p1 = p1;
+      st_p2 = p2;
+      st_p3 = p3;
+      st_parseInt = parseInt;
+      st_NaN = NaN;
+      st_Infinity = Infinity;
+      st_eval = eval;
+      st_parseFloat = parseFloat;
+      st_isNaN = isNaN;
+      st_isFinite = isFinite;
+      p1 = 'x1';
+      this.p2 = 'x2';
+      del = delete p3;
+      var p4 = 'x4';
+      p5 = 'x5';
+      var value = 'value';
+    }
+  }
+  while(false);
+} catch(e){
+  result = e;
+}
+
+if(!(result === "myObj_value")){
+  $ERROR('#0: result === "myObj_value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === undefined)){
+  $ERROR('#4: p4 === undefined. Actual:  p4 ==='+ p4  );
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.4_T4.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.4_T4.js
new file mode 100644
index 000000000..b9209bb67
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.4_T4.js
@@ -0,0 +1,140 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.4_T4.js
+ * @description Using "with" statement within iteration statement, leading to completion by break
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+do{
+  with(myObj){
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+    break;
+  }
+}
+while(false);
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === "x4")){
+  $ERROR('#4: p4 === "x4". Actual:  p4 ==='+ p4  );
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.4_T5.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.4_T5.js
new file mode 100644
index 000000000..b942e2b41
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.4_T5.js
@@ -0,0 +1,142 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.4_T5.js
+ * @description Using "with" statement within iteration statement, leading to completion by break
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+do{
+  with(myObj){
+    break;
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+}
+while(false);
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === undefined)){
+  $ERROR('#4: p4 ===undefined. Actual:  p4 ==='+ p4  );
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.5_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.5_T1.js
new file mode 100644
index 000000000..a45cd5df1
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.5_T1.js
@@ -0,0 +1,144 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.5_T1.js
+ * @description Using "with" statement within "for-in" statement, leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+for(var prop in myObj){
+  with(myObj){
+    if(prop === 'p1') {
+      st_p1 = p1;
+      p1 = 'x1';
+    }
+    if(prop === 'p2') {
+      st_p2 = p2;
+      this.p2 = 'x2';
+    }
+    if(prop === 'p3') {
+      st_p3 = p3;
+      del = delete p3;
+    }
+    if(prop === 'parseInt') st_parseInt = parseInt;
+    if(prop === 'NaN') st_NaN = NaN;
+    if(prop === 'Infinity') st_Infinity = Infinity;
+    if(prop === 'eval') st_eval = eval;
+    if(prop === 'parseFloat') st_parseFloat = parseFloat;
+    if(prop === 'isNaN') st_isNaN = isNaN;
+    if(prop === 'isFinite') st_isFinite = isFinite;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === "x4")){
+  $ERROR('#4: p4 === "x4". Actual:  p4 ==='+ p4  );
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.5_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.5_T2.js
new file mode 100644
index 000000000..4efa5a216
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.5_T2.js
@@ -0,0 +1,147 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.5_T2.js
+ * @description Using "with" statement within "for-in" statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  for(var prop in myObj){
+    with(myObj){
+      st_p1 = p1;
+      p1 = 'x1';
+      st_p2 = p2;
+      this.p2 = 'x2';
+      st_p3 = p3;
+      del = delete p3;
+      st_parseInt = parseInt;
+      st_NaN = NaN;
+      st_Infinity = Infinity;
+      st_eval = eval;
+      st_parseFloat = parseFloat;
+      st_isNaN = isNaN;
+      st_isFinite = isFinite;
+      var p4 = 'x4';
+      p5 = 'x5';
+      var value = 'value';
+      throw value;
+    }
+  }
+} catch(e){
+  result = e;
+}
+
+if(!(result === "value")){
+  $ERROR('#0: result === "value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === "x4")){
+  $ERROR('#4: p4 === "x4". Actual:  p4 ==='+ p4  );
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.5_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.5_T3.js
new file mode 100644
index 000000000..e4cace7e1
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.5_T3.js
@@ -0,0 +1,155 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.5_T3.js
+ * @description Using "with" statement within "for-in" statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  for(var prop in myObj){
+    with(myObj){
+      throw value;
+      if(prop === 'p1') {
+        st_p1 = p1;
+        p1 = 'x1';
+      }
+      if(prop === 'p2') {
+        st_p2 = p2;
+        this.p2 = 'x2';
+      }
+      if(prop === 'p3') {
+        st_p3 = p3;
+        del = delete p3;
+      }
+      if(prop === 'parseInt') st_parseInt = parseInt;
+      if(prop === 'NaN') st_NaN = NaN;
+      if(prop === 'Infinity') st_Infinity = Infinity;
+      if(prop === 'eval') st_eval = eval;
+      if(prop === 'parseFloat') st_parseFloat = parseFloat;
+      if(prop === 'isNaN') st_isNaN = isNaN;
+      if(prop === 'isFinite') st_isFinite = isFinite;
+      var p4 = 'x4';
+      p5 = 'x5';
+      var value = 'value';
+    }
+  }
+} catch(e){
+  result = e;
+}
+
+if(!(result === "myObj_value")){
+  $ERROR('#0: result === "myObj_value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === undefined)){
+  $ERROR('#4: p4 === undefined. Actual:  p4 ==='+ p4  );
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.5_T4.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.5_T4.js
new file mode 100644
index 000000000..6655901d6
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.5_T4.js
@@ -0,0 +1,139 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.5_T4.js
+ * @description Using "with" statement within "for-in" statement, leading to completion by break
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+for(var prop in myObj){
+  with(myObj){
+    st_p1 = p1;
+    p1 = 'x1';
+    st_p2 = p2;
+    this.p2 = 'x2';
+    st_p3 = p3;
+    del = delete p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+    break;
+  }
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === "x4")){
+  $ERROR('#4: p4 === "x4". Actual:  p4 ==='+ p4  );
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.5_T5.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.5_T5.js
new file mode 100644
index 000000000..1273f5166
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.5_T5.js
@@ -0,0 +1,147 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.5_T5.js
+ * @description Using "with" statement within "for-in" statement, leading to completion by break
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+for(var prop in myObj){
+  with(myObj){
+    break;
+    if(prop === 'p1') {
+      st_p1 = p1;
+      p1 = 'x1';
+    }
+    if(prop === 'p2') {
+      st_p2 = p2;
+      this.p2 = 'x2';
+    }
+    if(prop === 'p3') {
+      st_p3 = p3;
+      del = delete p3;
+    }
+    if(prop === 'parseInt') st_parseInt = parseInt;
+    if(prop === 'NaN') st_NaN = NaN;
+    if(prop === 'Infinity') st_Infinity = Infinity;
+    if(prop === 'eval') st_eval = eval;
+    if(prop === 'parseFloat') st_parseFloat = parseFloat;
+    if(prop === 'isNaN') st_isNaN = isNaN;
+    if(prop === 'isFinite') st_isFinite = isFinite;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === undefined)){
+  $ERROR('#4: p4 === undefined. Actual:  p4 ==='+ p4  );
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.6_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.6_T1.js
new file mode 100644
index 000000000..608ceef9f
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.6_T1.js
@@ -0,0 +1,138 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.6_T1.js
+ * @description Using "with" statement within another "with" statement, leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+with(myObj){
+  with(myObj){
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === "x4")){
+  $ERROR('#4: p4 === "x4". Actual:  p4 ==='+ p4  );
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.6_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.6_T2.js
new file mode 100644
index 000000000..8cfae1a8b
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.6_T2.js
@@ -0,0 +1,147 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.6_T2.js
+ * @description Using "with" statement within another "with" statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  with(myObj){
+    with(myObj){
+      st_p1 = p1;
+      st_p2 = p2;
+      st_p3 = p3;
+      st_parseInt = parseInt;
+      st_NaN = NaN;
+      st_Infinity = Infinity;
+      st_eval = eval;
+      st_parseFloat = parseFloat;
+      st_isNaN = isNaN;
+      st_isFinite = isFinite;
+      p1 = 'x1';
+      this.p2 = 'x2';
+      del = delete p3;
+      var p4 = 'x4';
+      p5 = 'x5';
+      var value = 'value';
+      throw value;
+    }
+  }
+} catch(e){
+  result = e;
+}
+
+if(!(result === "value")){
+  $ERROR('#0: result === "value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === "x4")){
+  $ERROR('#4: p4 === "x4". Actual:  p4 ==='+ p4  );
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.6_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.6_T3.js
new file mode 100644
index 000000000..4774eb44d
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.6_T3.js
@@ -0,0 +1,149 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.6_T3.js
+ * @description Using "with" statement within another "with" statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  with(myObj){
+    with(myObj){
+      throw value;
+      st_p1 = p1;
+      st_p2 = p2;
+      st_p3 = p3;
+      st_parseInt = parseInt;
+      st_NaN = NaN;
+      st_Infinity = Infinity;
+      st_eval = eval;
+      st_parseFloat = parseFloat;
+      st_isNaN = isNaN;
+      st_isFinite = isFinite;
+      p1 = 'x1';
+      this.p2 = 'x2';
+      del = delete p3;
+      var p4 = 'x4';
+      p5 = 'x5';
+      var value = 'value';
+    }
+  }
+} catch(e){
+  result = e;
+}
+
+if(!(result === "myObj_value")){
+  $ERROR('#0: result === "myObj_value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === undefined)){
+  $ERROR('#4: p4 === undefined. Actual:  p4 ==='+ p4  );
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.7_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.7_T1.js
new file mode 100644
index 000000000..134af702c
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.7_T1.js
@@ -0,0 +1,144 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.7_T1.js
+ * @description Calling a function within "with" statement declared within the statement, leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+with(myObj){
+  var f = function(){
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+  f();
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.7_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.7_T2.js
new file mode 100644
index 000000000..3efde0328
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.7_T2.js
@@ -0,0 +1,149 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.7_T2.js
+ * @description Calling a function within "with" statement declared within the statement, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+with(myObj){
+  var f = function(){
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+    return value;
+  }
+  result = f();
+}
+
+if(!(result === "value")){
+  $ERROR('#0: result === "value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.7_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.7_T3.js
new file mode 100644
index 000000000..d43395763
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.7_T3.js
@@ -0,0 +1,151 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.7_T3.js
+ * @description Calling a function within "with" statement declared within the statement, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+with(myObj){
+  var f = function(){
+    return value;
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+  result = f();
+}
+
+if(!(result === undefined)){
+  $ERROR('#0: result === undefined. Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.7_T4.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.7_T4.js
new file mode 100644
index 000000000..9ca70ef1c
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.7_T4.js
@@ -0,0 +1,153 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.7_T4.js
+ * @description Calling a function within "with" statement declared within the statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  with(myObj){
+    var f = function(){
+      st_p1 = p1;
+      st_p2 = p2;
+      st_p3 = p3;
+      st_parseInt = parseInt;
+      st_NaN = NaN;
+      st_Infinity = Infinity;
+      st_eval = eval;
+      st_parseFloat = parseFloat;
+      st_isNaN = isNaN;
+      st_isFinite = isFinite;
+      p1 = 'x1';
+      this.p2 = 'x2';
+      del = delete p3;
+      var p4 = 'x4';
+      p5 = 'x5';
+      var value = 'value';
+      throw value;
+    }
+    f();
+  }
+} catch(e){
+  result = e;
+}
+
+if(!(result === "value")){
+  $ERROR('#0: result === "value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.7_T5.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.7_T5.js
new file mode 100644
index 000000000..d7070388b
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.7_T5.js
@@ -0,0 +1,155 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.7_T5.js
+ * @description Calling a function within "with" statement declared within the statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  with(myObj){
+    var f = function(){
+      throw value;
+      st_p1 = p1;
+      st_p2 = p2;
+      st_p3 = p3;
+      st_parseInt = parseInt;
+      st_NaN = NaN;
+      st_Infinity = Infinity;
+      st_eval = eval;
+      st_parseFloat = parseFloat;
+      st_isNaN = isNaN;
+      st_isFinite = isFinite;
+      p1 = 'x1';
+      this.p2 = 'x2';
+      del = delete p3;
+      var p4 = 'x4';
+      p5 = 'x5';
+      var value = 'value';
+    }
+    f();
+  }
+} catch(e){
+  result = e;
+}
+
+if(!(result === undefined)){
+  $ERROR('#0: result === undefined. Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.8_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.8_T1.js
new file mode 100644
index 000000000..73519377b
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.8_T1.js
@@ -0,0 +1,144 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.8_T1.js
+ * @description Declaring function constructor within "with" statement, leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+with(myObj){
+  var f = function(){
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+  var obj = new f();
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.8_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.8_T2.js
new file mode 100644
index 000000000..fd81d2bfc
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.8_T2.js
@@ -0,0 +1,144 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.8_T2.js
+ * @description Declaring function constructor within "with" statement, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+with(myObj){
+  var f = function(){
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+    return value;
+  }
+  var obj = new f();
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.8_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.8_T3.js
new file mode 100644
index 000000000..39a648266
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.8_T3.js
@@ -0,0 +1,147 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.8_T3.js
+ * @description Declaring function constructor within "with" statement, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+with(myObj){
+  var f = function(){
+    return value;
+    st_p1 = p1;
+    st_p2 = p2;
+    st_p3 = p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    p1 = 'x1';
+    this.p2 = 'x2';
+    del = delete p3;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+  var obj = new f();
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.8_T4.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.8_T4.js
new file mode 100644
index 000000000..f6eed2043
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.8_T4.js
@@ -0,0 +1,152 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.8_T4.js
+ * @description Declaring function constructor within "with" statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  with(myObj){
+    var f = function(){
+      st_p1 = p1;
+      st_p2 = p2;
+      st_p3 = p3;
+      st_parseInt = parseInt;
+      st_NaN = NaN;
+      st_Infinity = Infinity;
+      st_eval = eval;
+      st_parseFloat = parseFloat;
+      st_isNaN = isNaN;
+      st_isFinite = isFinite;
+      p1 = 'x1';
+      this.p2 = 'x2';
+      del = delete p3;
+      var p4 = 'x4';
+      p5 = 'x5';
+      var value = 'value';
+      throw value;
+    }
+    var obj = new f();
+  }
+} catch(e){
+  result = e;
+}
+
+if(!(result === "value")){
+  $ERROR('#0: result === "value". Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.8_T5.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.8_T5.js
new file mode 100644
index 000000000..c2425b1f1
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.8_T5.js
@@ -0,0 +1,155 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.8_T5.js
+ * @description Declaring function constructor within "with" statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+try {
+  with(myObj){
+    var f = function(){
+      throw value;
+      st_p1 = p1;
+      st_p2 = p2;
+      st_p3 = p3;
+      st_parseInt = parseInt;
+      st_NaN = NaN;
+      st_Infinity = Infinity;
+      st_eval = eval;
+      st_parseFloat = parseFloat;
+      st_isNaN = isNaN;
+      st_isFinite = isFinite;
+      p1 = 'x1';
+      this.p2 = 'x2';
+      del = delete p3;
+      var p4 = 'x4';
+      p5 = 'x5';
+      var value = 'value';
+    }
+    var obj = new f();
+  }
+} catch(e){
+  result = e;
+}
+
+if(!(result === undefined)){
+  $ERROR('#0: result === undefined. Actual:  result ==='+ result  );
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+try {
+  p4;
+  $ERROR('#4: p4 is not defined');
+} catch(e) {    
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+try{
+  value;
+  $ERROR('#18: value is not defined');
+}
+catch(e){
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.9_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.9_T1.js
new file mode 100644
index 000000000..629b517b4
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.9_T1.js
@@ -0,0 +1,144 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.9_T1.js
+ * @description Using "for-in" statement within "with" statement, leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+with(myObj){
+  for(var prop in myObj){
+    if(prop === 'p1') {
+      st_p1 = p1;
+      p1 = 'x1';
+    }
+    if(prop === 'p2') {
+      st_p2 = p2;
+      this.p2 = 'x2';
+    }
+    if(prop === 'p3') {
+      st_p3 = p3;
+      del = delete p3;
+    }
+    if(prop === 'parseInt') st_parseInt = parseInt;
+    if(prop === 'NaN') st_NaN = NaN;
+    if(prop === 'Infinity') st_Infinity = Infinity;
+    if(prop === 'eval') st_eval = eval;
+    if(prop === 'parseFloat') st_parseFloat = parseFloat;
+    if(prop === 'isNaN') st_isNaN = isNaN;
+    if(prop === 'isFinite') st_isFinite = isFinite;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === "x4")){
+  $ERROR('#4: p4 === "x4". Actual:  p4 ==='+ p4  );
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.9_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.9_T2.js
new file mode 100644
index 000000000..8e82e60eb
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.9_T2.js
@@ -0,0 +1,139 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.9_T2.js
+ * @description Using "for-in" statement within "with" statement, leading to completion by break
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+with(myObj){
+  for(var prop in myObj){
+    st_p1 = p1;
+    p1 = 'x1';
+    st_p2 = p2;
+    this.p2 = 'x2';
+    st_p3 = p3;
+    del = delete p3;
+    st_parseInt = parseInt;
+    st_NaN = NaN;
+    st_Infinity = Infinity;
+    st_eval = eval;
+    st_parseFloat = parseFloat;
+    st_isNaN = isNaN;
+    st_isFinite = isFinite;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+    break;
+  }
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === "x2")){
+  $ERROR('#2: p2 === "x2". Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === "x4")){
+  $ERROR('#4: p4 === "x4". Actual:  p4 ==='+ p4  );
+}
+
+if(!(p5 === "x5")){
+  $ERROR('#5: p5 === "x5". Actual:  p5 ==='+ p5  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#6: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === undefined)){
+  $ERROR('#8: myObj.p3 === undefined. Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt !== parseInt)){
+  $ERROR('#11: myObj.parseInt !== parseInt');
+}
+
+if(!(st_NaN === "obj_NaN")){
+  $ERROR('#12: myObj.NaN !== NaN');
+}
+
+if(!(st_Infinity !== Infinity)){
+  $ERROR('#13: myObj.Infinity !== Infinity');
+}
+
+if(!(st_eval !== eval)){
+  $ERROR('#14: myObj.eval !== eval');
+}
+
+if(!(st_parseFloat !== parseFloat)){
+  $ERROR('#15: myObj.parseFloat !== parseFloat');
+}
+
+if(!(st_isNaN !== isNaN)){
+  $ERROR('#16: myObj.isNaN !== isNaN');
+}
+
+if(!(st_isFinite !== isFinite)){
+  $ERROR('#17: myObj.isFinite !== isFinite');
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "value")){
+  $ERROR('#19: myObj.value === "value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A1.9_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A1.9_T3.js
new file mode 100644
index 000000000..52ba815fc
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A1.9_T3.js
@@ -0,0 +1,147 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The with statement adds a computed object to the front of the
+ * scope chain of the current execution context
+ *
+ * @path ch12/12.10/S12.10_A1.9_T3.js
+ * @description Using "for-in" statement within "with" statement, leading to completion by break
+ * @noStrict
+ */
+
+this.p1 = 1;
+this.p2 = 2;
+this.p3 = 3;
+var result = "result";
+var myObj = {p1: 'a', 
+             p2: 'b', 
+             p3: 'c',
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';},
+             parseInt : function(){return 'obj_parseInt';},
+             NaN : 'obj_NaN',
+             Infinity : 'obj_Infinity',
+             eval     : function(){return 'obj_eval';},
+             parseFloat : function(){return 'obj_parseFloat';},
+             isNaN      : function(){return 'obj_isNaN';},
+             isFinite   : function(){return 'obj_isFinite';}
+}
+var del;
+var st_p1 = "p1";
+var st_p2 = "p2";
+var st_p3 = "p3";
+var st_parseInt = "parseInt";
+var st_NaN = "NaN";
+var st_Infinity = "Infinity";
+var st_eval = "eval";
+var st_parseFloat = "parseFloat";
+var st_isNaN = "isNaN";
+var st_isFinite = "isFinite";
+
+with(myObj){
+  for(var prop in myObj){
+    break;
+    if(prop === 'p1') {
+      st_p1 = p1;
+      p1 = 'x1';
+    }
+    if(prop === 'p2') {
+      st_p2 = p2;
+      this.p2 = 'x2';
+    }
+    if(prop === 'p3') {
+      st_p3 = p3;
+      del = delete p3;
+    }
+    if(prop === 'parseInt') st_parseInt = parseInt;
+    if(prop === 'NaN') st_NaN = NaN;
+    if(prop === 'Infinity') st_Infinity = Infinity;
+    if(prop === 'eval') st_eval = eval;
+    if(prop === 'parseFloat') st_parseFloat = parseFloat;
+    if(prop === 'isNaN') st_isNaN = isNaN;
+    if(prop === 'isFinite') st_isFinite = isFinite;
+    var p4 = 'x4';
+    p5 = 'x5';
+    var value = 'value';
+  }
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(p2 === 2)){
+  $ERROR('#2: p2 === 2. Actual:  p2 ==='+ p2  );
+}
+
+if(!(p3 === 3)){
+  $ERROR('#3: p3 === 3. Actual:  p3 ==='+ p3  );
+}
+
+if(!(p4 === undefined)){
+  $ERROR('#4: p4 === undefined. Actual:  p4 ==='+ p4  );
+}
+
+try {
+  p5;
+  $ERROR('#5: p5 is not defined');
+} catch(e) {    
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#6: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(myObj.p2 === "b")){
+  $ERROR('#7: myObj.p2 === "b". Actual:  myObj.p2 ==='+ myObj.p2  );
+}
+
+if(!(myObj.p3 === "c")){
+  $ERROR('#8: myObj.p3 === "c". Actual:  myObj.p3 ==='+ myObj.p3  );
+}
+
+if(!(myObj.p4 === undefined)){
+  $ERROR('#9: myObj.p4 === undefined. Actual:  myObj.p4 ==='+ myObj.p4  );
+}
+
+if(!(myObj.p5 === undefined)){
+  $ERROR('#10: myObj.p5 === undefined. Actual:  myObj.p5 ==='+ myObj.p5  );
+}
+
+if(!(st_parseInt === "parseInt")){
+  $ERROR('#11: myObj.parseInt === "parseInt". Actual:  myObj.parseInt ==='+ myObj.parseInt  );
+}
+
+if(!(st_NaN === "NaN")){
+  $ERROR('#12: st_NaN === "NaN". Actual:  st_NaN ==='+ st_NaN  );
+}
+
+if(!(st_Infinity === "Infinity")){
+  $ERROR('#13: st_Infinity === "Infinity". Actual:  st_Infinity ==='+ st_Infinity  );
+}
+
+if(!(st_eval === "eval")){
+  $ERROR('#14: st_eval === "eval". Actual:  st_eval ==='+ st_eval  );
+}
+
+if(!(st_parseFloat === "parseFloat")){
+  $ERROR('#15: st_parseFloat === "parseFloat". Actual:  st_parseFloat ==='+ st_parseFloat  );
+}
+
+if(!(st_isNaN === "isNaN")){
+  $ERROR('#16: st_isNaN === "isNaN". Actual:  st_isNaN ==='+ st_isNaN  );
+}
+
+if(!(st_isFinite === "isFinite")){
+  $ERROR('#17: st_isFinite === "isFinite". Actual:  st_isFinite ==='+ st_isFinite  );
+}
+
+if(!(value === undefined)){
+  $ERROR('#18: value === undefined. Actual:  value ==='+ value  );
+}
+
+if(!(myObj.value === "myObj_value")){
+  $ERROR('#19: myObj.value === "myObj_value". Actual:  myObj.value ==='+ myObj.value  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.10_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.10_T1.js
new file mode 100644
index 000000000..17fd49b0a
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.10_T1.js
@@ -0,0 +1,47 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.10_T1.js
+ * @description Using iteration statement within "with" statement, leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+with(myObj){
+    do{
+        p1 = 'x1';
+    } while(false);
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "x1"){
+  $ERROR('#2: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.10_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.10_T2.js
new file mode 100644
index 000000000..12c26bd86
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.10_T2.js
@@ -0,0 +1,57 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.10_T2.js
+ * @description Using iteration statement within "with" statement, leading completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+try {
+    with(myObj){
+        do{
+            p1 = 'x1';
+            throw value;
+        } while(false);
+    }
+} catch(e){
+    result = p1;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(result !== 1){
+  $ERROR('#1: result === 1. Actual:  result ==='+ result  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(p1 !== 1){
+  $ERROR('#2: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.p1 !== "x1"){
+  $ERROR('#3: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.10_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.10_T3.js
new file mode 100644
index 000000000..32c27cce4
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.10_T3.js
@@ -0,0 +1,57 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.10_T3.js
+ * @description Using iteration statement within "with" statement, leading completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+try {
+    with(myObj){
+        do{
+            throw value;
+            p1 = 'x1';
+        } while(false);
+    }
+} catch(e){
+    result = p1;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(result !== 1){
+  $ERROR('#1: result === 1. Actual:  result ==='+ result  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(p1 !== 1){
+  $ERROR('#2: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.p1 !== "a"){
+  $ERROR('#3: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.10_T4.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.10_T4.js
new file mode 100644
index 000000000..5f55777e2
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.10_T4.js
@@ -0,0 +1,47 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.10_T4.js
+ * @description Using iteration statement within "with" statement, leading completion be break
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+with(myObj){
+    do{
+        p1 = 'x1';
+        break;
+    } while(false);
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "x1"){
+  $ERROR('#2: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.10_T5.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.10_T5.js
new file mode 100644
index 000000000..b26cd9d43
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.10_T5.js
@@ -0,0 +1,45 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.10_T5.js
+ * @description Using iteration statement within "with" statement, leading completion be break
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+with(myObj){
+    do{
+        break;
+        p1 = 'x1';
+    } while(false);
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "a"){
+  $ERROR('#2: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.11_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.11_T1.js
new file mode 100644
index 000000000..8d15c1486
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.11_T1.js
@@ -0,0 +1,35 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.11_T1.js
+ * @description Calling a function within "with" statement declared without the statement, leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+var result = "result";
+var myObj = {p1: 'a', 
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';}
+}
+
+var f = function(){
+  p1 = 'x1';
+}
+
+with(myObj){
+  f();
+}
+
+if(!(p1 === "x1")){
+  $ERROR('#1: p1 === "x1". Actual:  p1 ==='+ p1  );
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#2: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.11_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.11_T2.js
new file mode 100644
index 000000000..81cdcc6af
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.11_T2.js
@@ -0,0 +1,41 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.11_T2.js
+ * @description Calling a function within "with" statement declared without the statement, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+var result = "result";
+var value = "value";
+var myObj = {p1: 'a', 
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';}
+}
+
+var f = function(){
+  p1 = 'x1';
+  return value;
+}
+
+with(myObj){
+  result = f();
+}
+
+if(!(p1 === "x1")){
+  $ERROR('#1: p1 === "x1". Actual:  p1 ==='+ p1  );
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#2: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(result === "value")){
+  $ERROR('#3: result === "value". Actual:  result ==='+ result  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.11_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.11_T3.js
new file mode 100644
index 000000000..35e24fee0
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.11_T3.js
@@ -0,0 +1,42 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.11_T3.js
+ * @description Calling a function within "with" statement declared without the statement, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+var result = "result";
+var value = "value";
+var myObj = {p1: 'a', 
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';}
+}
+
+var f = function(){
+  return value;
+  p1 = 'x1';
+}
+
+with(myObj){
+  result = f();
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#2: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(result === "value")){
+  $ERROR('#3: result === "value". Actual:  result ==='+ result  );
+}
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.11_T4.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.11_T4.js
new file mode 100644
index 000000000..7056d6181
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.11_T4.js
@@ -0,0 +1,47 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.11_T4.js
+ * @description Calling a function within "with" statement declared without the statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+var result = "result";
+var value = "value";
+var myObj = {p1: 'a', 
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';}
+}
+
+try {
+  var f = function(){
+    p1 = 'x1';
+    throw value;
+  }
+  
+  with(myObj){
+    f();
+  }
+} catch(e){
+  result = e;
+}
+
+if(!(p1 === "x1")){
+  $ERROR('#1: p1 === "x1". Actual:  p1 ==='+ p1  );
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#2: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(result === "value")){
+  $ERROR('#3: result === "value". Actual:  result ==='+ result  );
+}
+
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.11_T5.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.11_T5.js
new file mode 100644
index 000000000..ebce27c9f
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.11_T5.js
@@ -0,0 +1,45 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.11_T5.js
+ * @description Calling a function within "with" statement declared without the statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+var result = "result";
+var value = "value";
+var myObj = {p1: 'a', 
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';}
+}
+
+try {
+  var f = function(){
+    throw value;
+    p1 = 'x1';
+  }
+  with(myObj){
+    f();
+  }
+} catch(e){
+  result = e;
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#2: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(result === "value")){
+  $ERROR('#3: result === "value". Actual:  result ==='+ result  );
+}
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.12_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.12_T1.js
new file mode 100644
index 000000000..1ec9f7607
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.12_T1.js
@@ -0,0 +1,35 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.12_T1.js
+ * @description Calling a function without "with" statement declared within the statement, leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+var result = "result";
+var myObj = {p1: 'a', 
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';}
+}
+
+with(myObj){
+  var f = function(){
+    p1 = 'x1';
+  }
+}
+
+f();
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#2: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.12_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.12_T2.js
new file mode 100644
index 000000000..171ef5808
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.12_T2.js
@@ -0,0 +1,41 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.12_T2.js
+ * @description Calling a function without "with" statement declared within the statement, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+var result = "result";
+var value = "value";
+var myObj = {p1: 'a', 
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';}
+}
+
+with(myObj){
+  var f = function(){
+    p1 = 'x1'
+    return value;
+  }
+}
+
+result = f();
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#2: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(result === "myObj_value")){
+  $ERROR('#3: result === "myObj_value". Actual:  result ==='+ result  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.12_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.12_T3.js
new file mode 100644
index 000000000..3cea6bc58
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.12_T3.js
@@ -0,0 +1,40 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.12_T3.js
+ * @description Calling a function without "with" statement declared within the statement, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+var result = "result";
+var value = "value";
+var myObj = {p1: 'a', 
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';}
+}
+
+with(myObj){
+  var f = function(){
+    return value;
+    p1 = 'x1';
+  }
+}
+result = f();
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#2: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(result === "myObj_value")){
+  $ERROR('#3: result === "myObj_value". Actual:  result ==='+ result  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.12_T4.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.12_T4.js
new file mode 100644
index 000000000..1049d25fe
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.12_T4.js
@@ -0,0 +1,45 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.12_T4.js
+ * @description Calling a function without "with" statement declared within the statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+var result = "result";
+var value = "value";
+var myObj = {p1: 'a', 
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';}
+}
+
+try {
+  with(myObj){
+    var f = function(){
+      p1 = 'x1';
+      throw value;
+    }
+  }
+  f();
+} catch(e){
+  result = e;
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(myObj.p1 === "x1")){
+  $ERROR('#2: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(result === "myObj_value")){
+  $ERROR('#3: result === "myObj_value". Actual:  result ==='+ result  );
+}
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.12_T5.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.12_T5.js
new file mode 100644
index 000000000..9d3c9fed9
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.12_T5.js
@@ -0,0 +1,44 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.12_T5.js
+ * @description Calling a function without "with" statement declared within the statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+var result = "result";
+var value = "value";
+var myObj = {p1: 'a', 
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';}
+}
+
+try {
+  with(myObj){
+    var f = function(){
+      throw value;
+      p1 = 'x1';
+    }
+  }
+  f();
+} catch(e){
+  result = e;
+}
+
+if(!(p1 === 1)){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+
+if(!(myObj.p1 === "a")){
+  $ERROR('#2: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+
+if(!(result === "myObj_value")){
+  $ERROR('#3: result === "myObj_value". Actual:  result ==='+ result  );
+}
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.1_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.1_T1.js
new file mode 100644
index 000000000..58ee15b9c
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.1_T1.js
@@ -0,0 +1,45 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.1_T1.js
+ * @description Using "with" statement within global context - normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+
+with(myObj){
+    p1 = 'x1';
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "x1"){
+  $ERROR('#2: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.1_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.1_T2.js
new file mode 100644
index 000000000..12b72b2c2
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.1_T2.js
@@ -0,0 +1,59 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.1_T2.js
+ * @description Using "with" statement within global context, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+try {
+
+    with(myObj){
+  
+        p1 = 'x1'
+        throw value;
+    
+    }
+} catch(e){
+    result = p1;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(result !== 1){
+    $ERROR('#1: result === 1. Actual:  result ==='+ result  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(p1 !== 1){
+  $ERROR('#2: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if (myObj.p1 !== "x1") {
+	$ERROR('#3: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.1_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.1_T3.js
new file mode 100644
index 000000000..f78052019
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.1_T3.js
@@ -0,0 +1,58 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.1_T3.js
+ * @description Using "with" statement within global context, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+var result = "result";
+var myObj = {p1: 'a', 
+             value: 'myObj_value',
+             valueOf : function(){return 'obj_valueOf';}
+}
+
+try {
+
+  with(myObj){
+  
+    throw value;
+    p1 = 'x1'
+  }
+} catch(e){
+  result = p1;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(!(result === 1)){
+  $ERROR('#1: result === 1. Actual:  result ==='+ result  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(!(p1 === 1)){
+  $ERROR('#2: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(!(myObj.p1 === "a")){
+  $ERROR('#3: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.2_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.2_T1.js
new file mode 100644
index 000000000..0d3e11beb
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.2_T1.js
@@ -0,0 +1,46 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.2_T1.js
+ * @description Declaring "with" statement within a function body, leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+var f = function(){
+    with(myObj){
+        p1 = 'x1';
+    }
+}
+
+f();
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "x1"){
+  $ERROR('#2: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.2_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.2_T2.js
new file mode 100644
index 000000000..2ef4889d4
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.2_T2.js
@@ -0,0 +1,49 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.2_T2.js
+ * @description Declaring "with" statement within a function body, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+var f = function(){
+    with(myObj){
+        p1 = 'x1';
+        return value;
+    }
+};
+
+f();
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+    $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(myObj.p1 !== "x1"){
+    $ERROR('#1: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.2_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.2_T3.js
new file mode 100644
index 000000000..8f46552e7
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.2_T3.js
@@ -0,0 +1,47 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.2_T3.js
+ * @description Declaring "with" statement within a function body, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+var f = function(){
+    with(myObj){
+        return value;
+        p1 = 'x1';
+    }
+};
+
+f();
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "a"){
+  $ERROR('#2: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.2_T4.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.2_T4.js
new file mode 100644
index 000000000..3c5598088
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.2_T4.js
@@ -0,0 +1,60 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.2_T4.js
+ * @description Declaring "with" statement within a function body, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+try {
+    var f = function(){
+        with(myObj){
+            p1 = 'x1';
+            throw value;
+        }
+    };
+    
+    f();
+} catch(e){
+    result = p1;
+}
+
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(result !== 1){
+  $ERROR('#1: result === 1. Actual:  result ==='+ result  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(p1 !== 1){
+  $ERROR('#2: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.p1 !== "x1"){
+  $ERROR('#3: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.2_T5.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.2_T5.js
new file mode 100644
index 000000000..61d86905a
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.2_T5.js
@@ -0,0 +1,63 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.2_T5.js
+ * @description Declaring "with" statement within a function body, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+};
+
+try {
+    var f = function(){
+        with(myObj){
+            throw value;
+            p1 = 'x1';
+        }
+    };
+    f();
+} catch(e){
+    result = p1;
+}
+
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(result !== 1){
+  $ERROR('#1: result === 1. Actual:  result ==='+ result  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(p1 !== 1){
+  $ERROR('#2: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.p1 !== "a"){
+  $ERROR('#3: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.3_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.3_T1.js
new file mode 100644
index 000000000..27a310837
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.3_T1.js
@@ -0,0 +1,48 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.3_T1.js
+ * @description Declaring "with" statement within a function constructor, leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+function __FACTORY(){
+    with(myObj){
+        p1 = 'x1';
+    }
+}
+
+var obj = new __FACTORY();
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "x1"){
+  $ERROR('#2: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.3_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.3_T2.js
new file mode 100644
index 000000000..de6faab31
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.3_T2.js
@@ -0,0 +1,47 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.3_T2.js
+ * @description Declaring "with" statement within a function constructor, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+function __FACTORY(){
+    with(myObj){
+        p1 = 'x1';
+        return value;
+    }
+}
+
+var obj = new __FACTORY;
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "x1"){
+  $ERROR('#2: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.3_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.3_T3.js
new file mode 100644
index 000000000..4a981756a
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.3_T3.js
@@ -0,0 +1,49 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.3_T3.js
+ * @description Declaring "with" statement within a function constructor, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+function __FACTORY(){
+    with(myObj){
+        return value;
+        p1 = 'x1';
+    }
+}
+
+var obj = new __FACTORY;
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "a"){
+  $ERROR('#2: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.3_T4.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.3_T4.js
new file mode 100644
index 000000000..3eeb2ed5e
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.3_T4.js
@@ -0,0 +1,58 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement', the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.3_T4.js
+ * @description Declaring "with" statement within a function constructor, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+  p1: 'a',
+  value: 'myObj_value',
+  valueOf : function(){return 'obj_valueOf';}
+};
+
+function __FACTORY(){
+  with(myObj){
+    var p1 = 'x1';
+    throw value;
+  }
+}
+
+try {
+  var obj = new __FACTORY();
+} catch(e){
+  result = p1;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if (result !== 1) {
+  $ERROR('#1: result === 1. Actual:  result ==='+ result  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if (p1 !== 1) {
+  $ERROR('#2: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if (myObj.p1 !== "x1") {
+  $ERROR('#3: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.4_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.4_T1.js
new file mode 100644
index 000000000..1ef21667b
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.4_T1.js
@@ -0,0 +1,46 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.4_T1.js
+ * @description Using "with" statement within iteration statement, leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+do {
+    with(myObj){
+        p1 = 'x1';
+    }
+} while(false);
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "x1"){
+  $ERROR('#2: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.4_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.4_T2.js
new file mode 100644
index 000000000..801c592aa
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.4_T2.js
@@ -0,0 +1,57 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.4_T2.js
+ * @description Using "with" statement within iteration statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+try {
+    do{
+        with(myObj){
+            p1 = 'x1';
+            throw value;
+        }
+    } while(false);
+} catch(e){
+    result = p1;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(result !== 1){
+  $ERROR('#1: result === 1. Actual:  result ==='+ result  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(p1 !== 1){
+  $ERROR('#2: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.p1 !== "x1"){
+  $ERROR('#3: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.4_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.4_T3.js
new file mode 100644
index 000000000..56698024e
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.4_T3.js
@@ -0,0 +1,57 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.4_T3.js
+ * @description Using "with" statement within iteration statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+try {
+    do{
+        with(myObj){
+            throw value;
+            p1 = 'x1';
+        }
+    } while(false);
+} catch(e){
+    result = p1;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(result !== 1){
+  $ERROR('#1: result === 1. Actual:  result ==='+ result  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(p1 !== 1){
+  $ERROR('#2: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.p1 !== "a"){
+  $ERROR('#3: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.4_T4.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.4_T4.js
new file mode 100644
index 000000000..557666a9c
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.4_T4.js
@@ -0,0 +1,47 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.4_T4.js
+ * @description Using "with" statement within iteration statement, leading to completion by break
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+do {
+    with(myObj){
+        p1 = 'x1';
+        break;
+    }
+} while(false);
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "x1"){
+  $ERROR('#2: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.4_T5.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.4_T5.js
new file mode 100644
index 000000000..06816be05
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.4_T5.js
@@ -0,0 +1,47 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.4_T5.js
+ * @description Using "with" statement within iteration statement, leading to completion by break
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+do {
+    with(myObj){
+        break;
+        p1 = 'x1';
+    }
+} while(false);
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "a"){
+  $ERROR('#2: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.5_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.5_T1.js
new file mode 100644
index 000000000..b49962dc1
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.5_T1.js
@@ -0,0 +1,44 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.5_T1.js
+ * @description Using "with" statement within "for-in" statement, leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+for(var prop in myObj){
+    with(myObj){
+        p1 = 'x1';
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "x1"){
+  $ERROR('#2: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.5_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.5_T2.js
new file mode 100644
index 000000000..e1ec1d611
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.5_T2.js
@@ -0,0 +1,57 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.5_T2.js
+ * @description Using "with" statement within "for-in" statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+try {
+    for(var prop in myObj){
+        with(myObj){
+            p1 = 'x1';
+            throw value;
+        }
+    }
+} catch(e){
+    result = p1;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(result !== 1){
+  $ERROR('#1: result === 1. Actual:  result ==='+ result  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(p1 !== 1){
+  $ERROR('#2: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.p1 !== "x1"){
+  $ERROR('#3: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.5_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.5_T3.js
new file mode 100644
index 000000000..d85bca3bf
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.5_T3.js
@@ -0,0 +1,57 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.5_T3.js
+ * @description Using "with" statement within "for-in" statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+try {
+    for(var prop in myObj){
+        with(myObj){
+            throw value;
+            p1 = 'x1';
+        }
+    }
+} catch(e){
+    result = p1;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(result !== 1){
+  $ERROR('#1: result === 1. Actual:  result ==='+ result  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(p1 !== 1){
+  $ERROR('#2: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.p1 !== "a"){
+  $ERROR('#3: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.5_T4.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.5_T4.js
new file mode 100644
index 000000000..f85657a82
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.5_T4.js
@@ -0,0 +1,45 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.5_T4.js
+ * @description Using "with" statement within "for-in" statement, leading to completion by break
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+for(var prop in myObj){
+    with(myObj){
+        p1 = 'x1';
+        break;
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "x1"){
+  $ERROR('#2: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.5_T5.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.5_T5.js
new file mode 100644
index 000000000..78b526fc3
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.5_T5.js
@@ -0,0 +1,48 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.5_T5.js
+ * @description Using "with" statement within "for-in" statement, leading to completion by break
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+for(var prop in myObj){
+    with(myObj){
+        break;
+        p1 = 'x1';
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(myObj.p1 !== "a"){
+  $ERROR('#1: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.6_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.6_T1.js
new file mode 100644
index 000000000..4042e9b71
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.6_T1.js
@@ -0,0 +1,60 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.6_T1.js
+ * @description Using "with" statement within another "with" statement, leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+var theirObj = {
+    p1: true, 
+    value: 'theirObj_value',
+    valueOf : function(){return 'thr_valueOf';}
+}
+
+with(myObj){
+    with(theirObj){
+        p1 = 'x1';
+  }
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "a"){
+  $ERROR('#2: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(theirObj.p1 !== "x1"){
+  $ERROR('#3: theirObj.p1 === "x1". Actual:  theirObj.p1 ==='+ theirObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.6_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.6_T2.js
new file mode 100644
index 000000000..db1d04dfb
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.6_T2.js
@@ -0,0 +1,65 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.6_T2.js
+ * @description Using "with" statement within another "with" statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+var theirObj = {
+    p1: true, 
+    value: 'theirObj_value',
+    valueOf : function(){return 'thr_valueOf';}
+}
+
+
+try {
+    with(myObj){
+        with(theirObj){
+            p1 = 'x1';
+            throw value;
+        }
+    }
+} catch(e){
+    result = p1;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "a"){
+  $ERROR('#2: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(theirObj.p1 !== "x1"){
+  $ERROR('#3: theirObj.p1 === "x1". Actual:  theirObj.p1 ==='+ theirObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.6_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.6_T3.js
new file mode 100644
index 000000000..ade4cdc5f
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.6_T3.js
@@ -0,0 +1,66 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.6_T3.js
+ * @description Using "with" statement within another "with" statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+var theirObj = {
+    p1: true, 
+    value: 'theirObj_value',
+    valueOf : function(){return 'thr_valueOf';}
+}
+
+
+try {
+    with(myObj){
+        with(theirObj){
+            throw value;
+            p1 = 'x1';
+            
+        }
+    }
+} catch(e){
+    result = p1;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "a"){
+  $ERROR('#2: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(theirObj.p1 !== true){
+  $ERROR('#3: theirObj.p1 === true. Actual:  theirObj.p1 ==='+ theirObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.7_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.7_T1.js
new file mode 100644
index 000000000..b24f131a4
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.7_T1.js
@@ -0,0 +1,46 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.7_T1.js
+ * @description Declaring and calling a function within "with" statement, leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+with(myObj){
+    (function(){
+        p1 = 'x1';
+    })();
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "x1"){
+  $ERROR('#2: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.7_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.7_T2.js
new file mode 100644
index 000000000..7494fa7f3
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.7_T2.js
@@ -0,0 +1,55 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.7_T2.js
+ * @description Declaring and calling a function within "with" statement, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+with(myObj){
+    result=(function(){
+        p1 = 'x1';
+        return value;
+    })();
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(result !== "myObj_value"){
+  $ERROR('#2: result === "myObj_value". Actual:  result ==='+ result  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.p1 !== "x1"){
+  $ERROR('#3: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.7_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.7_T3.js
new file mode 100644
index 000000000..d3b72e03d
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.7_T3.js
@@ -0,0 +1,53 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.7_T3.js
+ * @description Declaring and calling a function within "with" statement, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+with(myObj){
+    result=(function(){
+        return value;
+        p1 = 'x1';
+    })();
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(result !== 'myObj_value'){
+  $ERROR('#2: result === \'myObj_value\'. Actual:  result ==='+ result  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.p1 !== "a"){
+  $ERROR('#3: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.7_T4.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.7_T4.js
new file mode 100644
index 000000000..cd97c3c1b
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.7_T4.js
@@ -0,0 +1,57 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.7_T4.js
+ * @description Declaring and calling a function within "with" statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+try {
+    with(myObj){
+        (function (){
+            p1 = 'x1';
+            throw value;
+        })();
+    }
+} catch(e){
+    result = p1;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(result !== 1){
+  $ERROR('#1: result === 1. Actual:  result ==='+ result  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(p1 !== 1){
+  $ERROR('#2: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.p1 !== "x1"){
+  $ERROR('#3: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.7_T5.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.7_T5.js
new file mode 100644
index 000000000..c0d9d84a2
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.7_T5.js
@@ -0,0 +1,57 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.7_T5.js
+ * @description Declaring and calling a function within "with" statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+try {
+    with(myObj){
+        (function f(){
+            throw value;
+            p1 = 'x1';
+        })();
+    }
+} catch(e){
+    result = p1;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(result !== 1){
+  $ERROR('#1: result === 1. Actual:  result ==='+ result  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(p1 !== 1){
+  $ERROR('#2: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.p1 !== "a"){
+  $ERROR('#3: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.8_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.8_T1.js
new file mode 100644
index 000000000..efe008e85
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.8_T1.js
@@ -0,0 +1,45 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.8_T1.js
+ * @description Declaring function constructor within "with" statement, leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+with(myObj){
+    var __FACTORY = function(){
+        p1 = 'x1';
+    }
+    var obj = new __FACTORY;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "x1"){
+  $ERROR('#2: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.8_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.8_T2.js
new file mode 100644
index 000000000..948270d0f
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.8_T2.js
@@ -0,0 +1,46 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.8_T2.js
+ * @description Declaring function constructor within "with" statement, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+with(myObj){
+    var __FACTORY = function(){
+        p1 = 'x1';
+        return value;
+    }
+    var obj = new __FACTORY;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "x1"){
+  $ERROR('#2: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.8_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.8_T3.js
new file mode 100644
index 000000000..f104c10f3
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.8_T3.js
@@ -0,0 +1,46 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.8_T3.js
+ * @description Declaring function constructor within "with" statement, leading to normal completion by "return"
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+  p1: 'a', 
+  value: 'myObj_value',
+  valueOf : function(){return 'obj_valueOf';}
+}
+
+with(myObj){
+  var __FACTORY = function(){
+    return value;
+    p1 = 'x1';
+  }
+  var obj = new __FACTORY;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "a"){
+  $ERROR('#2: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.8_T4.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.8_T4.js
new file mode 100644
index 000000000..2f034a106
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.8_T4.js
@@ -0,0 +1,58 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.8_T4.js
+ * @description Declaring function constructor within "with" statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+try {
+    with(myObj){
+        var __FACTORY = function(){
+            p1 = 'x1';
+            throw value;
+        }
+        var obj = new __FACTORY;
+    }
+} catch(e){
+    result = p1;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(result !== 1){
+  $ERROR('#1: result === 1. Actual:  result ==='+ result  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(p1 !== 1){
+  $ERROR('#2: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.p1 !== "x1"){
+  $ERROR('#3: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.8_T5.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.8_T5.js
new file mode 100644
index 000000000..7484ca06a
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.8_T5.js
@@ -0,0 +1,58 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.8_T5.js
+ * @description Declaring function constructor within "with" statement, leading to completion by exception
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+try {
+    with(myObj){
+        var __FACTORY = function(){
+            throw value;
+            p1 = 'x1';
+        }
+        var obj = new __FACTORY;
+    }
+} catch(e){
+    result = p1;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(result !== 1){
+  $ERROR('#1: result === 1. Actual:  result ==='+ result  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(p1 !== 1){
+  $ERROR('#2: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.p1 !== "a"){
+  $ERROR('#3: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.9_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.9_T1.js
new file mode 100644
index 000000000..f54c2087b
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.9_T1.js
@@ -0,0 +1,46 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.9_T1.js
+ * @description Using "for-in" statement within "with" statement, leading to normal completion
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+with(myObj){
+    for(var prop in myObj){
+        p1 = 'x1';
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "x1"){
+  $ERROR('#2: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.9_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.9_T2.js
new file mode 100644
index 000000000..a1bb6dfe9
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.9_T2.js
@@ -0,0 +1,46 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.9_T2.js
+ * @description Using "for-in" statement within "with" statement, leading to completion by break
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+with(myObj){
+    for(var prop in myObj){
+        p1 = 'x1';
+        break;
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "x1"){
+  $ERROR('#2: myObj.p1 === "x1". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A3.9_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A3.9_T3.js
new file mode 100644
index 000000000..c00200340
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A3.9_T3.js
@@ -0,0 +1,46 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * No matter how control leaves the embedded 'Statement',
+ * the scope chain is always restored to its former state
+ *
+ * @path ch12/12.10/S12.10_A3.9_T3.js
+ * @description Using "for-in" statement within "with" statement, leading to completion by break
+ * @noStrict
+ */
+
+this.p1 = 1;
+
+var result = "result";
+
+var myObj = {
+    p1: 'a', 
+    value: 'myObj_value',
+    valueOf : function(){return 'obj_valueOf';}
+}
+
+with(myObj){
+    for(var prop in myObj){
+        break;
+        p1 = 'x1';
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(p1 !== 1){
+  $ERROR('#1: p1 === 1. Actual:  p1 ==='+ p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== "a"){
+  $ERROR('#2: myObj.p1 === "a". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A4_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A4_T1.js
new file mode 100644
index 000000000..6deef5b1a
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A4_T1.js
@@ -0,0 +1,33 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Changing property using "eval" statement containing "with" statement
+ *
+ * @path ch12/12.10/S12.10_A4_T1.js
+ * @description Changing string property
+ * @noStrict
+ */
+
+this.p1 = 1;
+var myObj = {
+  p1: 'a', 
+}
+eval("with(myObj){p1='b'}");
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(myObj.p1 !== 'b'){
+  $ERROR('#1: myObj.p1 === "b". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 === 1){
+  $ERROR('#2: myObj.p1 !== 1');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A4_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A4_T2.js
new file mode 100644
index 000000000..e31f52b84
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A4_T2.js
@@ -0,0 +1,33 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Changing property using "eval" statement containing "with" statement
+ *
+ * @path ch12/12.10/S12.10_A4_T2.js
+ * @description Changing number property
+ * @noStrict
+ */
+
+this.p1 = 'a';
+var myObj = {
+  p1: 1, 
+}
+eval("with(myObj){p1=2}");
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(myObj.p1 !== 2){
+  $ERROR('#1: myObj.p1 === 2. Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 === 'a'){
+  $ERROR('#2: myObj.p1 !== \'a\'');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A4_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A4_T3.js
new file mode 100644
index 000000000..94c58701c
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A4_T3.js
@@ -0,0 +1,33 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Changing property using "eval" statement containing "with" statement
+ *
+ * @path ch12/12.10/S12.10_A4_T3.js
+ * @description Changing boolean property
+ * @noStrict
+ */
+
+this.p1 = 'a';
+var myObj = {
+  p1: true, 
+}
+eval("with(myObj){p1=false}");
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(myObj.p1 !== false){
+  $ERROR('#1: myObj.p1 === false. Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 === 'a'){
+  $ERROR('#2: myObj.p1 !== \'a\'');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A4_T4.js b/js/src/tests/test262/ch12/12.10/S12.10_A4_T4.js
new file mode 100644
index 000000000..042d0dfc5
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A4_T4.js
@@ -0,0 +1,42 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Changing property using "eval" statement containing "with" statement
+ *
+ * @path ch12/12.10/S12.10_A4_T4.js
+ * @description Changing object property
+ * @noStrict
+ */
+
+this.p1 = 'a';
+var myObj = {
+  p1: {a:"hello"}, 
+}
+eval("with(myObj){p1={b:'hi'}}");
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(myObj.p1.a === "hello"){
+  $ERROR('#1: myObj.p1.a !== "hello"');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1.b !== "hi"){
+  $ERROR('#2: myObj.p1.b === "hi". Actual:  myObj.p1.b ==='+ myObj.p1.b  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.p1 === 'a'){
+  $ERROR('#3: myObj.p1 !== \'a\'');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A4_T5.js b/js/src/tests/test262/ch12/12.10/S12.10_A4_T5.js
new file mode 100644
index 000000000..38a743b03
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A4_T5.js
@@ -0,0 +1,33 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Changing property using "eval" statement containing "with" statement
+ *
+ * @path ch12/12.10/S12.10_A4_T5.js
+ * @description Changing array property
+ * @noStrict
+ */
+
+this.p1 = 'a';
+var myObj = {
+  p1: [1,2,3], 
+}
+eval("with(myObj){p1=[3,2,1]}");
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(myObj.p1[2] !== 1){
+  $ERROR('#1: myObj.p1[2] === 1. Actual:  myObj.p1[2] ==='+ myObj.p1[2]  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.p1 === 'a'){
+  $ERROR('#2: myObj.p1 !== \'a\'');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A4_T6.js b/js/src/tests/test262/ch12/12.10/S12.10_A4_T6.js
new file mode 100644
index 000000000..fce451118
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A4_T6.js
@@ -0,0 +1,33 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Changing property using "eval" statement containing "with" statement
+ *
+ * @path ch12/12.10/S12.10_A4_T6.js
+ * @description Changing function property
+ * @noStrict
+ */
+
+this.p1 = 'a';
+var myObj = {
+  p1: function(){return 0;}, 
+}
+eval("with(myObj){p1=function(){return 1;}}");
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(myObj.p1() !== 1){
+  $ERROR('#1: myObj.p1 === 1. Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.p1 === 'a'){
+  $ERROR('#2: myObj.p1 !== \'a\'');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A5_T1.js b/js/src/tests/test262/ch12/12.10/S12.10_A5_T1.js
new file mode 100644
index 000000000..351e4bb9d
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A5_T1.js
@@ -0,0 +1,50 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Deleting property using "eval" statement containing "with" statement
+ *
+ * @path ch12/12.10/S12.10_A5_T1.js
+ * @description Deleting string property
+ * @noStrict
+ */
+
+this.p1 = 1;
+var myObj = {
+  p1: 'a', 
+  del:false
+}
+eval("with(myObj){del = delete p1}");
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(myObj.p1 === 'a'){
+  $ERROR('#1: myObj.p1 !== "a"');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== undefined){
+  $ERROR('#2: myObj.p1 === undefined. Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.del !== true){
+  $ERROR('#3: myObj.del === true. Actual:  myObj.del ==='+ myObj.del  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#4
+if(myObj.p1 === 1){
+  $ERROR('#4: myObj.p1 !== 1');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A5_T2.js b/js/src/tests/test262/ch12/12.10/S12.10_A5_T2.js
new file mode 100644
index 000000000..909d79d03
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A5_T2.js
@@ -0,0 +1,50 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Deleting property using "eval" statement containing "with" statement
+ *
+ * @path ch12/12.10/S12.10_A5_T2.js
+ * @description Deleting number property
+ * @noStrict
+ */
+
+this.p1 = 'a';
+var myObj = {
+  p1: 1,
+  del:false 
+}
+eval("with(myObj){del = delete p1}");
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(myObj.p1 === 1){
+  $ERROR('#1: myObj.p1 !== 1');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== undefined){
+  $ERROR('#2: myObj.p1 === undefined . Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.del !== true){
+  $ERROR('#3: myObj.del === true. Actual: myObj.del ===. Actual:  myObj.del ==='+ myObj.del  +myObj.del);
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#4
+if(myObj.p1 === 'a'){
+  $ERROR('#4: myObj.p1 !== \'a\'');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A5_T3.js b/js/src/tests/test262/ch12/12.10/S12.10_A5_T3.js
new file mode 100644
index 000000000..cd2ec3487
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A5_T3.js
@@ -0,0 +1,51 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Deleting property using "eval" statement containing "with" statement
+ *
+ * @path ch12/12.10/S12.10_A5_T3.js
+ * @description Deleting boolean property
+ * @noStrict
+ */
+
+this.p1 = 'a';
+var myObj = {
+  p1: true,
+  del:false 
+}
+
+eval("with(myObj){del = delete p1}");
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(myObj.p1 === true){
+  $ERROR('#1: myObj.p1 !== true ');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== undefined){
+  $ERROR('#2: myObj.p1 === undefined . Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.del !== true){
+  $ERROR('#3: myObj.del === true . Actual:  myObj.del ==='+ myObj.del  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#4
+if(myObj.p1 === 'a'){
+  $ERROR('#4: myObj.p1 !== \'a\'');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A5_T4.js b/js/src/tests/test262/ch12/12.10/S12.10_A5_T4.js
new file mode 100644
index 000000000..96f2ded29
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A5_T4.js
@@ -0,0 +1,55 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Deleting property using "eval" statement containing "with" statement
+ *
+ * @path ch12/12.10/S12.10_A5_T4.js
+ * @description Deleting object property
+ * @noStrict
+ */
+
+this.p1 = 'a';
+var myObj = {
+  p1: {a:"hello"},
+  del:false 
+}
+eval("with(myObj){del = delete p1}");
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+try{
+if(myObj.p1.a === "hello"){
+  $ERROR('#1: myObj.p1.a !== "hello" ');
+}
+}catch(e){var x=1};
+if(x !== 1){
+  $ERROR('#1: x === 1. Actual:  x ==='+ x  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== undefined){
+  $ERROR('#2: myObj.p1 === undefined . Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.del !== true){
+  $ERROR('#3: myObj.del === true . Actual:  myObj.del ==='+ myObj.del  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#4
+if(myObj.p1 === 'a'){
+  $ERROR('#4: myObj.p1 !== \'a\'');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A5_T5.js b/js/src/tests/test262/ch12/12.10/S12.10_A5_T5.js
new file mode 100644
index 000000000..f0b52d07a
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A5_T5.js
@@ -0,0 +1,55 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Deleting property using "eval" statement containing "with" statement
+ *
+ * @path ch12/12.10/S12.10_A5_T5.js
+ * @description Deleting array property
+ * @noStrict
+ */
+
+this.p1 = 'a';
+var myObj = {
+  p1: [1,2,3],
+  del:false 
+}
+eval("with(myObj){del = delete p1}");
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+try{
+if(myObj.p1[2] === 3){
+  $ERROR('#1: myObj.p1[2] !== 3 ');
+}
+}catch(e){var x=1};
+if(x !== 1){
+  $ERROR('#1: x === 1. Actual:  x ==='+ x  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== undefined){
+  $ERROR('#2: myObj.p1 === undefined . Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.del !== true){
+  $ERROR('#3: myObj.del === true . Actual:  myObj.del ==='+ myObj.del  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#4
+if(myObj.p1 === 'a'){
+  $ERROR('#4: myObj.p1 !== \'a\'');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/S12.10_A5_T6.js b/js/src/tests/test262/ch12/12.10/S12.10_A5_T6.js
new file mode 100644
index 000000000..67c79398a
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A5_T6.js
@@ -0,0 +1,55 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Deleting property using "eval" statement containing "with" statement
+ *
+ * @path ch12/12.10/S12.10_A5_T6.js
+ * @description Deleting function property
+ * @noStrict
+ */
+
+this.p1 = 'a';
+var myObj = {
+  p1: function(){return 0;}, 
+  del:false
+}
+eval("with(myObj){del = delete p1}");
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+try{
+if(myObj.p1() === 0){
+  $ERROR('#1: myObj.p1() !== 0 ');
+}
+}catch(e){var x=1};
+if(x !== 1){
+  $ERROR('#1: x === 1. Actual:  x ==='+ x  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 !== undefined){
+  $ERROR('#2: myObj.p1 === undefined . Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if(myObj.del !== true){
+  $ERROR('#3: myObj.del === true . Actual:  myObj.del ==='+ myObj.del  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#4
+if(myObj.p1 === 'a'){
+  $ERROR('#4: myObj.p1 !== \'a\'');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
diff --git a/js/src/tests/test262/ch12/12.10/browser.js b/js/src/tests/test262/ch12/12.10/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/browser.js
diff --git a/js/src/tests/test262/ch12/12.10/shell.js b/js/src/tests/test262/ch12/12.10/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch12/12.10/shell.js