20 files changed, 559 insertions, 0 deletions
diff --git a/js/src/tests/test262/ch11/11.4/11.4.4/11.4.4-2-1-s.js b/js/src/tests/test262/ch11/11.4/11.4.4/11.4.4-2-1-s.js
new file mode 100644
index 000000000..f7e9b82de
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.4/11.4.4-2-1-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 ch11/11.4/11.4.4/11.4.4-2-1-s.js
+ * @description Strict Mode - SyntaxError is thrown for ++eval
+ * @onlyStrict
+ */
+
+
+function testcase() {
+        "use strict";
+        var blah = eval;
+        try {
+            eval("++eval;");
+            return false;
+        } catch (e) {
+            return e instanceof SyntaxError && blah === eval;
+        }
+    }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch11/11.4/11.4.4/11.4.4-2-2-s.js b/js/src/tests/test262/ch11/11.4/11.4.4/11.4.4-2-2-s.js
new file mode 100644
index 000000000..142adabef
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.4/11.4.4-2-2-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 ch11/11.4/11.4.4/11.4.4-2-2-s.js
+ * @description Strict Mode - SyntaxError is thrown for ++arguments
+ * @onlyStrict
+ */
+
+
+function testcase() {
+        "use strict";
+        var blah = arguments;
+        try {
+            eval("++arguments;");
+            return false;
+        } catch (e) {
+            return e instanceof SyntaxError && blah === arguments;
+        }
+    }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch11/11.4/11.4.4/11.4.4-2-3-s.js b/js/src/tests/test262/ch11/11.4/11.4.4/11.4.4-2-3-s.js
new file mode 100644
index 000000000..00d6448e3
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.4/11.4.4-2-3-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 ch11/11.4/11.4.4/11.4.4-2-3-s.js
+ * @description Strict Mode - SyntaxError is not thrown for ++arguments[...]
+ * @onlyStrict
+ */
+
+
+function testcase() {
+        "use strict";
+        arguments[1] = 7;
+        ++arguments[1];
+        return arguments[1]===8;
+    }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A1.js b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A1.js
new file mode 100644
index 000000000..1a6f53940
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A1.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.
+
+/**
+ * White Space and Line Terminator between "++" and UnaryExpression are allowed
+ *
+ * @path ch11/11.4/11.4.4/S11.4.4_A1.js
+ * @description Checking by using eval
+ */
+
+//CHECK#1
+if (eval("var x = 0; ++\u0009x") !== 1) {
+  $ERROR('#1: var x = 0; ++\\u0009x; x === 1. Actual: ' + (x));
+}
+
+//CHECK#2
+if (eval("var x = 0; ++\u000Bx") !== 1) {
+  $ERROR('#2: var x = 0; ++\\u000Bx; x === 1. Actual: ' + (x));  
+}
+
+//CHECK#3
+if (eval("var x = 0; ++\u000Cx") !== 1) {
+  $ERROR('#3: var x = 0; ++\\u000Cx; x === 1. Actual: ' + (x));
+}
+
+//CHECK#4
+if (eval("var x = 0; ++\u0020x") !== 1) {
+  $ERROR('#4: var x = 0; ++\\u0020x; x === 1. Actual: ' + (x));
+}
+
+//CHECK#5
+if (eval("var x = 0; ++\u00A0x") !== 1) {
+  $ERROR('#5: var x = 0; ++\\u00A0x; x === 1. Actual: ' + (x));
+}
+
+//CHECK#6
+if (eval("var x = 0; ++\u000Ax") !== 1) {
+  $ERROR('#6: var x = 0; ++\\u000Ax; x === 1. Actual: ' + (x));  
+}
+
+//CHECK#7
+if (eval("var x = 0; ++\u000Dx") !== 1) {
+  $ERROR('#7: var x = 0; ++\\u000Dx; x === 1. Actual: ' + (x));
+}
+
+//CHECK#8
+if (eval("var x = 0; ++\u2028x") !== 1) {
+  $ERROR('#8: var x = 0; ++\\u2028x; x === 1. Actual: ' + (x));
+}
+
+//CHECK#9
+if (eval("var x = 0; ++\u2029x") !== 1) {
+  $ERROR('#9: var x = 0; ++\\u2029x; x === 1. Actual: ' + (x));
+}
+
+//CHECK#10
+if (eval("var x = 0; ++\u0009\u000B\u000C\u0020\u00A0\u000A\u000D\u2028\u2029x") !== 1) {
+  $ERROR('#10: var x = 0; ++\\u0009\\u000B\\u000C\\u0020\\u00A0\\u000A\\u000D\\u2028\\u2029x; x === 1. Actual: ' + (x));
+}
+
diff --git a/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A2.1_T1.js b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A2.1_T1.js
new file mode 100644
index 000000000..253e2a970
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A2.1_T1.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.
+
+/**
+ * Operator ++x uses GetValue and PutValue
+ *
+ * @path ch11/11.4/11.4.4/S11.4.4_A2.1_T1.js
+ * @description Type(x) is Reference and GetBase(x) is not null
+ */
+
+//CHECK#1
+var x = 1;
+if (++x !== 1 + 1) {
+  $ERROR('#1: var x = 1; ++x === 1 + 1. Actual: ' + (++x));
+} else {
+  if (x !== 1 + 1) {
+    $ERROR('#1: var x = 1; ++x; x === 1 + 1. Actual: ' + (x));
+  } 
+}
+
+//CHECK#2
+this.x = 1;
+if (++this.x !== 1 + 1) {
+  $ERROR('#2: this.x = 1; ++this.x === 1 + 1. Actual: ' + (++this.x));
+} else {
+  if (this.x !== 1 + 1) {
+    $ERROR('#2: this.x = 1; ++this.x; this.x === 1 + 1. Actual: ' + (this.x));
+  } 
+}
+
+//CHECK#3
+var object = new Object();
+object.prop = 1;
+if (++object.prop !== 1 + 1) {
+  $ERROR('#3: var object = new Object(); object.prop = 1; ++object.prop === 1 + 1. Actual: ' + (++object.prop));
+} else {
+  if (this.x !== 1 + 1) {
+    $ERROR('#3: var object = new Object(); object.prop = 1; ++object.prop; object.prop === 1 + 1. Actual: ' + (object.prop));
+  } 
+}
+
diff --git a/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A2.1_T2.js b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A2.1_T2.js
new file mode 100644
index 000000000..a67137e4b
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A2.1_T2.js
@@ -0,0 +1,21 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator ++x uses GetValue and PutValue
+ *
+ * @path ch11/11.4/11.4.4/S11.4.4_A2.1_T2.js
+ * @description If GetBase(x) is null, throw ReferenceError
+ */
+
+//CHECK#1
+try {
+  ++x;
+  $ERROR('#1.1: ++x throw ReferenceError. Actual: ' + (++x));  
+}
+catch (e) {
+  if ((e instanceof ReferenceError) !== true) {
+    $ERROR('#1.2: ++x throw ReferenceError. Actual: ' + (e));  
+  }
+}
+
diff --git a/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A2.1_T3.js b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A2.1_T3.js
new file mode 100644
index 000000000..7faa4d81f
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A2.1_T3.js
@@ -0,0 +1,25 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator ++x uses GetValue and PutValue
+ *
+ * @path ch11/11.4/11.4.4/S11.4.4_A2.1_T3.js
+ * @description If Type(x) is not Reference, throw ReferenceError (or SyntaxError)
+ * @negative
+ */
+
+//CHECK#1
+try {
+  ++1;
+  $ERROR('#1.1: ++1 throw ReferenceError (or SyntaxError). Actual: ' + (++1));  
+}
+catch (e) {
+  if ((e instanceof ReferenceError) !== true) {
+    $ERROR('#1.2: ++1 throw ReferenceError (or SyntaxError). Actual: ' + (e));  
+  } else {
+    ++1;
+  }
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A2.2_T1.js b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A2.2_T1.js
new file mode 100644
index 000000000..bdc909df1
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A2.2_T1.js
@@ -0,0 +1,104 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator ++x uses [[Default Value]]
+ *
+ * @path ch11/11.4/11.4.4/S11.4.4_A2.2_T1.js
+ * @description If Type(value) is Object, evaluate ToPrimitive(value, Number)
+ */
+
+//CHECK#1
+var object = {valueOf: function() {return 1}};
+if (++object !== 1 + 1) {
+  $ERROR('#1: var object = {valueOf: function() {return 1}}; ++object === 1 + 1. Actual: ' + (++object));
+} else {
+  if (object !== 1 + 1) {
+    $ERROR('#1: var object = {valueOf: function() {return 1}}; ++object; object === 1 + 1. Actual: ' + (object));
+  }
+}
+
+//CHECK#2
+var object = {valueOf: function() {return 1}, toString: function() {return 0}};
+if (++object !== 1 + 1) {
+  $ERROR('#2: var object = {valueOf: function() {return 1}, toString: function() {return 0}}; ++object === 1 + 1. Actual: ' + (++object));
+} else {
+  if (object !== 1 + 1) {
+    $ERROR('#2: var object = {valueOf: function() {return 1}, toString: function() {return 0}}; ++object; object === 1 + 1. Actual: ' + (object));
+  }
+}
+
+//CHECK#3
+var object = {valueOf: function() {return 1}, toString: function() {return {}}};
+if (++object !== 1 + 1) {
+  $ERROR('#3: var object = {valueOf: function() {return 1}, toString: function() {return {}}}; ++object === 1 + 1. Actual: ' + (++object));
+} else {
+  if (object !== 1 + 1) {
+    $ERROR('#3: var object = {valueOf: function() {return 1}, toString: function() {return {}}}; ++object; object === 1 + 1. Actual: ' + (object));
+  }
+}
+
+//CHECK#4
+try {
+  var object = {valueOf: function() {return 1}, toString: function() {throw "error"}};
+  if (++object !== 1 + 1) {
+    $ERROR('#4.1: var object = {valueOf: function() {return 1}, toString: function() {throw "error"}}; ++object === 1 + 1. Actual: ' + (++object));
+  } else {
+    if (object !== 1 + 1) {
+      $ERROR('#4.1: var object = {valueOf: function() {return 1}, toString: function() {throw "error"}}; ++object; object === 1 + 1. Actual: ' + (object));
+    }
+  }
+}
+catch (e) {
+  if (e === "error") {
+    $ERROR('#4.2: var object = {valueOf: function() {return 1}, toString: function() {throw "error"}}; ++object not throw "error"');
+  } else {
+    $ERROR('#4.3: var object = {valueOf: function() {return 1}, toString: function() {throw "error"}}; ++object not throw Error. Actual: ' + (e));
+  }
+}
+
+//CHECK#5
+var object = {toString: function() {return 1}};
+if (++object !== 1 + 1) {
+  $ERROR('#5.1: var object = {toString: function() {return 1}}; ++object === 1 + 1. Actual: ' + (++object));
+} else {
+  if (object !== 1 + 1) {
+    $ERROR('#5.2: var object = {toString: function() {return 1}}; ++object; object === 1 + 1. Actual: ' + (object));
+  }
+}
+
+
+//CHECK#6
+var object = {valueOf: function() {return {}}, toString: function() {return 1}}
+if (++object !== 1 + 1) {
+  $ERROR('#6.1: var object = {valueOf: function() {return {}}, toString: function() {return 1}}; ++object === 1 + 1. Actual: ' + (++object));
+} else {
+  if (object !== 1 + 1) {
+    $ERROR('#6.2: var object = {valueOf: function() {return {}}, toString: function() {return 1}}; ++object; object === 1 + 1. Actual: ' + (object));
+  }
+}
+
+//CHECK#7
+try {
+  var object = {valueOf: function() {throw "error"}, toString: function() {return 1}};
+  ++object;
+  $ERROR('#7.1: var object = {valueOf: function() {throw "error"}, toString: function() {return 1}}; ++object throw "error". Actual: ' + (++object));
+}  
+catch (e) {
+  if (e !== "error") {
+    $ERROR('#7.2: var object = {valueOf: function() {throw "error"}, toString: function() {return 1}}; ++object throw "error". Actual: ' + (e));
+  } 
+}
+
+//CHECK#8
+try {
+  var object = {valueOf: function() {return {}}, toString: function() {return {}}};
+  ++object;
+  $ERROR('#8.1: var object = {valueOf: function() {return {}}, toString: function() {return {}}}; ++object throw TypeError. Actual: ' + (++object));
+}  
+catch (e) {
+  if ((e instanceof TypeError) !== true) {
+    $ERROR('#8.2: var object = {valueOf: function() {return {}}, toString: function() {return {}}}; ++object throw TypeError. Actual: ' + (e));
+  } 
+}
+
diff --git a/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A3_T1.js b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A3_T1.js
new file mode 100644
index 000000000..9c41505c9
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A3_T1.js
@@ -0,0 +1,24 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator ++x returns x = ToNumber(x) + 1
+ *
+ * @path ch11/11.4/11.4.4/S11.4.4_A3_T1.js
+ * @description Type(x) is boolean primitive or Boolean object
+ */
+
+//CHECK#1
+var x = false; 
+++x;
+if (x !== 0 + 1) {
+  $ERROR('#1: var x = false; ++x; x === 0 + 1. Actual: ' + (x));
+}
+
+//CHECK#2
+var x = new Boolean(true); 
+++x; 
+if (x !== 1 + 1) {
+  $ERROR('#2: var x = new Boolean(true); ++x; x === 1 + 1. Actual: ' + (x));
+}
+
diff --git a/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A3_T2.js b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A3_T2.js
new file mode 100644
index 000000000..52296a948
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A3_T2.js
@@ -0,0 +1,24 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator ++x returns x = ToNumber(x) + 1
+ *
+ * @path ch11/11.4/11.4.4/S11.4.4_A3_T2.js
+ * @description Type(x) is number primitive or Number object
+ */
+
+//CHECK#1
+var x = 0.1; 
+++x;
+if (x !== 0.1 + 1) {
+  $ERROR('#1: var x = 0.1; ++x; x === 0.1 + 1. Actual: ' + (x));
+}
+
+//CHECK#2
+var x = new Number(-1.1); 
+++x;
+if (x !== -1.1 + 1) {
+  $ERROR('#2: var x = new Number(-1.1); ++x; x === -1.1 + 1. Actual: ' + (x));
+}
+
diff --git a/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A3_T3.js b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A3_T3.js
new file mode 100644
index 000000000..aee3607dd
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A3_T3.js
@@ -0,0 +1,31 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator ++x returns x = ToNumber(x) + 1
+ *
+ * @path ch11/11.4/11.4.4/S11.4.4_A3_T3.js
+ * @description Type(x) is string primitive or String object
+ */
+
+//CHECK#1
+var x = "1"; 
+++x;
+if (x !== 1 + 1) {
+  $ERROR('#1: var x = "1"; ++x; x === 1 + 1. Actual: ' + (x));
+}
+
+//CHECK#2
+var x = "x"; 
+++x; 
+if (isNaN(x) !== true) {
+  $ERROR('#2: var x = "x"; ++x; x === Not-a-Number. Actual: ' + (x));
+}
+
+//CHECK#3
+var x = new Number("-1"); 
+++x;
+if (x !== -1 + 1) {
+  $ERROR('#3: var x = new String("-1"); ++x; x === -1 + 1. Actual: ' + (x));
+}
+
diff --git a/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A3_T4.js b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A3_T4.js
new file mode 100644
index 000000000..89619003e
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A3_T4.js
@@ -0,0 +1,24 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator ++x returns x = ToNumber(x) + 1
+ *
+ * @path ch11/11.4/11.4.4/S11.4.4_A3_T4.js
+ * @description Type(x) is undefined or null
+ */
+
+//CHECK#1
+var x; 
+++x; 
+if (isNaN(x) !== true) {
+  $ERROR('#1: var x; ++x; x === Not-a-Number. Actual: ' + (x));
+}
+
+//CHECK#2
+var x = null; 
+++x;
+if (x !== 1) {
+  $ERROR('#2: var x = null; ++x; x === 1. Actual: ' + (x));
+}
+
diff --git a/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A3_T5.js b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A3_T5.js
new file mode 100644
index 000000000..d08522f72
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A3_T5.js
@@ -0,0 +1,24 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator ++x returns x = ToNumber(x) + 1
+ *
+ * @path ch11/11.4/11.4.4/S11.4.4_A3_T5.js
+ * @description Type(x) is Object object or Function object
+ */
+
+//CHECK#1
+var x = {}; 
+++x; 
+if (isNaN(x) !== true) {
+  $ERROR('#1: var x = {}; ++x; x === Not-a-Number. Actual: ' + (x));
+}
+
+//CHECK#2
+var x = function(){return 1}; 
+++x; 
+if (isNaN(x) !== true) {
+  $ERROR('#2: var x = function(){return 1}; ++x; x === Not-a-Number. Actual: ' + (x));
+}
+
diff --git a/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A4_T1.js b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A4_T1.js
new file mode 100644
index 000000000..585e75091
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A4_T1.js
@@ -0,0 +1,22 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator ++x returns ToNumber(x) + 1
+ *
+ * @path ch11/11.4/11.4.4/S11.4.4_A4_T1.js
+ * @description Type(x) is boolean primitive or Boolean object
+ */
+
+//CHECK#1
+var x = false; 
+if (++x !== 0 + 1) {
+  $ERROR('#1: var x = false; ++x === 0 + 1. Actual: ' + (++x));
+}
+
+//CHECK#2
+var x = new Boolean(true);
+if (++x !== 1 + 1) {
+  $ERROR('#2: var x = new Boolean(true); ++x === 1 + 1. Actual: ' + (++x));
+}
+
diff --git a/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A4_T2.js b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A4_T2.js
new file mode 100644
index 000000000..3aacac1b8
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A4_T2.js
@@ -0,0 +1,22 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator ++x returns ToNumber(x) + 1
+ *
+ * @path ch11/11.4/11.4.4/S11.4.4_A4_T2.js
+ * @description Type(x) is number primitive or Number object
+ */
+
+//CHECK#1
+var x = 0.1;
+if (++x !== 0.1 + 1) {
+  $ERROR('#1: var x = 0.1; ++x === 0.1 + 1. Actual: ' + (++x));
+}
+
+//CHECK#2
+var x = new Number(-1.1);
+if (++x !== -1.1 + 1) {
+  $ERROR('#2: var x = new Number(-1.1); ++x === -1.1 + 1. Actual: ' + (++x));
+}
+
diff --git a/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A4_T3.js b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A4_T3.js
new file mode 100644
index 000000000..4e2d5f22a
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A4_T3.js
@@ -0,0 +1,28 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator ++x returns ToNumber(x) + 1
+ *
+ * @path ch11/11.4/11.4.4/S11.4.4_A4_T3.js
+ * @description Type(x) is string primitive or String object
+ */
+
+//CHECK#1
+var x = "1";
+if (++x !== 1 + 1) {
+  $ERROR('#1: var x = "1"; ++x === 1 + 1. Actual: ' + (++x));
+}
+
+//CHECK#2
+var x = "x"; 
+if (isNaN(++x) !== true) {
+  $ERROR('#2: var x = "x"; ++x === Not-a-Number. Actual: ' + (++x));
+}
+
+//CHECK#3
+var x = new String("-1");
+if (++x !== -1 + 1) {
+  $ERROR('#3: var x = new String("-1"); ++x === -1 + 1. Actual: ' + (++x));
+}
+
diff --git a/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A4_T4.js b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A4_T4.js
new file mode 100644
index 000000000..f0edb536e
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A4_T4.js
@@ -0,0 +1,22 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator ++x returns ToNumber(x) + 1
+ *
+ * @path ch11/11.4/11.4.4/S11.4.4_A4_T4.js
+ * @description Type(x) is undefined or null
+ */
+
+//CHECK#1
+var x; 
+if (isNaN(++x) !== true) {
+  $ERROR('#1: var x; ++x === Not-a-Number. Actual: ' + (++x));
+}
+
+//CHECK#2
+var x = null;
+if (++x !== 1) {
+  $ERROR('#2: var x = null; ++x === 1. Actual: ' + (++x));
+}
+
diff --git a/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A4_T5.js b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A4_T5.js
new file mode 100644
index 000000000..c6c9d526a
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.4/S11.4.4_A4_T5.js
@@ -0,0 +1,22 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator ++x returns ToNumber(x) + 1
+ *
+ * @path ch11/11.4/11.4.4/S11.4.4_A4_T5.js
+ * @description Type(x) is Object object or Function object
+ */
+
+//CHECK#1
+var x = {}; 
+if (isNaN(++x) !== true) {
+  $ERROR('#1: var x = {}; ++x === Not-a-Number. Actual: ' + (++x));
+}
+
+//CHECK#2
+var x = function(){return 1}; 
+if (isNaN(++x) !== true) {
+  $ERROR('#2: var x = function(){return 1}; ++x === Not-a-Number. Actual: ' + (++x));
+}
+
diff --git a/js/src/tests/test262/ch11/11.4/11.4.4/browser.js b/js/src/tests/test262/ch11/11.4/11.4.4/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.4/browser.js
diff --git a/js/src/tests/test262/ch11/11.4/11.4.4/shell.js b/js/src/tests/test262/ch11/11.4/11.4.4/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.4/shell.js