Add m-esr52 at 52.6.0

21 files changed, 575 insertions, 0 deletions

diff --git a/js/src/tests/test262/ch11/11.4/11.4.5/11.4.5-2-1-s.js b/js/src/tests/test262/ch11/11.4/11.4.5/11.4.5-2-1-s.js
new file mode 100644
index 000000000..2c0d4c1a1
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/11.4.5-2-1-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 ch11/11.4/11.4.5/11.4.5-2-1-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/ch11/11.4/11.4.5/11.4.5-2-2-s.js b/js/src/tests/test262/ch11/11.4/11.4.5/11.4.5-2-2-s.js
new file mode 100644
index 000000000..373dabe9e
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/11.4.5-2-2-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 ch11/11.4/11.4.5/11.4.5-2-2-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/ch11/11.4/11.4.5/11.4.5-2-2gs.js b/js/src/tests/test262/ch11/11.4/11.4.5/11.4.5-2-2gs.js
new file mode 100644
index 000000000..3040d8029
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/11.4.5-2-2gs.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 ch11/11.4/11.4.5/11.4.5-2-2gs.js

+ * @description Strict Mode - SyntaxError is throw if the UnaryExpression operated upon by a Prefix Increment operator(--arguments)

+ * @onlyStrict

+ * @negative ^((?!NotEarlyError).)*$

+ */

+

+"use strict";

+throw NotEarlyError;

+--arguments;

diff --git a/js/src/tests/test262/ch11/11.4/11.4.5/11.4.5-2-3-s.js b/js/src/tests/test262/ch11/11.4/11.4.5/11.4.5-2-3-s.js
new file mode 100644
index 000000000..9af3f7bcb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/11.4.5-2-3-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 ch11/11.4/11.4.5/11.4.5-2-3-s.js

+ * @description Strict Mode - SyntaxError is not thrown for --arguments[...]

+ * @onlyStrict

+ */

+

+

+function testcase() {

+        "use strict";

+        arguments[1] = 7;

+        --arguments[1];

+        return arguments[1]===6;

+    }

+runTestCase(testcase);

diff --git a/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A1.js b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A1.js
new file mode 100644
index 000000000..5be2493ee
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_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 ch11/11.4/11.4.5/S11.4.5_A1.js
+ * @description Checking by using eval
+ */
+
+//CHECK#1
+if (eval("var x = 1; --\u0009x") !== 0) {
+  $ERROR('#1: var x = 1; --\\u0009x; x === 0. Actual: ' + (x));
+}
+
+//CHECK#2
+if (eval("var x = 1; --\u000Bx") !== 0) {
+  $ERROR('#2: var x = 1; --\\u000Bx; x === 0. Actual: ' + (x));  
+}
+
+//CHECK#3
+if (eval("var x = 1; --\u000Cx") !== 0) {
+  $ERROR('#3: var x = 1; --\\u000Cx; x === 0. Actual: ' + (x));
+}
+
+//CHECK#4
+if (eval("var x = 1; --\u0020x") !== 0) {
+  $ERROR('#4: var x = 1; --\\u0020x; x === 0. Actual: ' + (x));
+}
+
+//CHECK#5
+if (eval("var x = 1; --\u00A0x") !== 0) {
+  $ERROR('#5: var x = 1; --\\u00A0x; x === 0. Actual: ' + (x));
+}
+
+//CHECK#6
+if (eval("var x = 1; --\u000Ax") !== 0) {
+  $ERROR('#6: var x = 1; --\\u000Ax; x === 0. Actual: ' + (x));  
+}
+
+//CHECK#7
+if (eval("var x = 1; --\u000Dx") !== 0) {
+  $ERROR('#7: var x = 1; --\\u000Dx; x === 0. Actual: ' + (x));
+}
+
+//CHECK#8
+if (eval("var x = 1; --\u2028x") !== 0) {
+  $ERROR('#8: var x = 1; --\\u2028x; x === 0. Actual: ' + (x));
+}
+
+//CHECK#9
+if (eval("var x = 1; --\u2029x") !== 0) {
+  $ERROR('#9: var x = 1; --\\u2029x; x === 0. Actual: ' + (x));
+}
+
+//CHECK#10
+if (eval("var x = 1; --\u0009\u000B\u000C\u0020\u00A0\u000A\u000D\u2028\u2029x") !== 0) {
+  $ERROR('#10: var x = 1; --\\u0009\\u000B\\u000C\\u0020\\u00A0\\u000A\\u000D\\u2028\\u2029x; x === 0. Actual: ' + (x));
+}
+
diff --git a/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A2.1_T1.js b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A2.1_T1.js
new file mode 100644
index 000000000..136b72c51
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_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 ch11/11.4/11.4.5/S11.4.5_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/ch11/11.4/11.4.5/S11.4.5_A2.1_T2.js b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A2.1_T2.js
new file mode 100644
index 000000000..2dabef975
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A2.1_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 uses GetValue and PutValue
+ *
+ * @path ch11/11.4/11.4.5/S11.4.5_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/ch11/11.4/11.4.5/S11.4.5_A2.1_T3.js b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A2.1_T3.js
new file mode 100644
index 000000000..5700185b9
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A2.1_T3.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 uses GetValue and PutValue
+ *
+ * @path ch11/11.4/11.4.5/S11.4.5_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/ch11/11.4/11.4.5/S11.4.5_A2.2_T1.js b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A2.2_T1.js
new file mode 100644
index 000000000..6f19db9db
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_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 ch11/11.4/11.4.5/S11.4.5_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/ch11/11.4/11.4.5/S11.4.5_A3_T1.js b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A3_T1.js
new file mode 100644
index 000000000..f7fd9fc7b
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_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 ch11/11.4/11.4.5/S11.4.5_A3_T1.js
+ * @description Type(x) is boolean primitive or Boolean object
+ */
+
+//CHECK#1
+var x = true; 
+--x;
+if (x !== 1 - 1) {
+  $ERROR('#1: var x = true; --x; x === 1 - 1. Actual: ' + (x));
+}
+
+//CHECK#2
+var x = new Boolean(false); 
+--x;
+if (x !== 0 - 1) {
+  $ERROR('#2: var x = new Boolean(false); --x; x === 0 - 1. Actual: ' + (x));
+}
+
diff --git a/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A3_T2.js b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A3_T2.js
new file mode 100644
index 000000000..a946e8648
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_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 ch11/11.4/11.4.5/S11.4.5_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/ch11/11.4/11.4.5/S11.4.5_A3_T3.js b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A3_T3.js
new file mode 100644
index 000000000..6ed487073
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_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 ch11/11.4/11.4.5/S11.4.5_A3_T3.js
+ * @description Type(x) is primitive string 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/ch11/11.4/11.4.5/S11.4.5_A3_T4.js b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A3_T4.js
new file mode 100644
index 000000000..ed0d7798b
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_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 ch11/11.4/11.4.5/S11.4.5_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/ch11/11.4/11.4.5/S11.4.5_A3_T5.js b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A3_T5.js
new file mode 100644
index 000000000..0fd3f76ac
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_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 ch11/11.4/11.4.5/S11.4.5_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/ch11/11.4/11.4.5/S11.4.5_A4_T1.js b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A4_T1.js
new file mode 100644
index 000000000..7f424a239
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_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 ch11/11.4/11.4.5/S11.4.5_A4_T1.js
+ * @description Type(x) is boolean primitive or Boolean object
+ */
+
+//CHECK#1
+var x = true;
+if (--x !== 1 - 1) {
+  $ERROR('#1: var x = true; --x === 1 - 1. Actual: ' + (--x));
+}
+
+//CHECK#2
+var x = new Boolean(false);
+if (--x !== 0 - 1) {
+  $ERROR('#2: var x = new Boolean(false); --x === 0 - 1. Actual: ' + (--x));
+}
+
diff --git a/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A4_T2.js b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A4_T2.js
new file mode 100644
index 000000000..c5c77de06
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_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 ch11/11.4/11.4.5/S11.4.5_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/ch11/11.4/11.4.5/S11.4.5_A4_T3.js b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A4_T3.js
new file mode 100644
index 000000000..29d4d123f
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_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 ch11/11.4/11.4.5/S11.4.5_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/ch11/11.4/11.4.5/S11.4.5_A4_T4.js b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A4_T4.js
new file mode 100644
index 000000000..a1f600ace
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_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 ch11/11.4/11.4.5/S11.4.5_A4_T4.js
+ * @description Type(x) is undefined or null
+ */
+
+//CHECK#1
+var x;
+if (isNaN(--x) !== true) {
+  $ERROR('#1: var x; --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/ch11/11.4/11.4.5/S11.4.5_A4_T5.js b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_A4_T5.js
new file mode 100644
index 000000000..fe40976df
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/S11.4.5_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 ch11/11.4/11.4.5/S11.4.5_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/ch11/11.4/11.4.5/browser.js b/js/src/tests/test262/ch11/11.4/11.4.5/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/browser.js
diff --git a/js/src/tests/test262/ch11/11.4/11.4.5/shell.js b/js/src/tests/test262/ch11/11.4/11.4.5/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.5/shell.js