196 files changed, 6811 insertions, 0 deletions
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A1.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A1.js
new file mode 100644
index 000000000..5203b7341
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_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 RelationalExpression and "<" or between "<" and ShiftExpression are allowed
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A1.js
+ * @description Checking by using eval
+ */
+
+//CHECK#1
+if (eval("0\u0009<\u00091") !== true) {
+  $ERROR('#1: (0\\u0009<\\u00091) === true');
+}
+
+//CHECK#2
+if (eval("0\u000B<\u000B1") !== true) {
+  $ERROR('#2: (0\\u000B<\\u000B1) === true');  
+}
+
+//CHECK#3
+if (eval("0\u000C<\u000C1") !== true) {
+  $ERROR('#3: (0\\u000C<\\u000C1) === true');
+}
+
+//CHECK#4
+if (eval("0\u0020<\u00201") !== true) {
+  $ERROR('#4: (0\\u0020<\\u00201) === true');
+}
+
+//CHECK#5
+if (eval("0\u00A0<\u00A01") !== true) {
+  $ERROR('#5: (0\\u00A0<\\u00A01) === true');
+}
+
+//CHECK#6
+if (eval("0\u000A<\u000A1") !== true) {
+  $ERROR('#6: (0\\u000A<\\u000A1) === true');  
+}
+
+//CHECK#7
+if (eval("0\u000D<\u000D1") !== true) {
+  $ERROR('#7: (0\\u000D<\\u000D1) === true');
+}
+
+//CHECK#8
+if (eval("0\u2028<\u20281") !== true) {
+  $ERROR('#8: (0\\u2028<\\u20281) === true');
+}
+
+//CHECK#9
+if (eval("0\u2029<\u20291") !== true) {
+  $ERROR('#9: (0\\u2029<\\u20291) === true');
+}
+
+//CHECK#10
+if (eval("0\u0009\u000B\u000C\u0020\u00A0\u000A\u000D\u2028\u2029<\u0009\u000B\u000C\u0020\u00A0\u000A\u000D\u2028\u20291") !== true) {
+  $ERROR('#10: (0\\u0009\\u000B\\u000C\\u0020\\u00A0\\u000A\\u000D\\u2028\\u2029<\\u0009\\u000B\\u000C\\u0020\\u00A0\\u000A\\u000D\\u2028\\u20291) === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.1_T1.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.1_T1.js
new file mode 100644
index 000000000..4bcd448cb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.1_T1.js
@@ -0,0 +1,43 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator x < y uses GetValue
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A2.1_T1.js
+ * @description Either Type is not Reference or GetBase is not null
+ */
+
+//CHECK#1
+if (1 < 2 !== true) {
+  $ERROR('#1: 1 < 2 === true');
+}
+
+//CHECK#2
+var x = 1;
+if (x < 2 !== true) {
+  $ERROR('#2: var x = 1; x < 2 === true');
+}
+
+//CHECK#3
+var y = 2;
+if (1 < y !== true) {
+  $ERROR('#3: var y = 2; 1 < y === true');
+}
+
+//CHECK#4
+var x = 1;
+var y = 2;
+if (x < y !== true) {
+  $ERROR('#4: var x = 1; var y = 2; x < y === true');
+}
+
+//CHECK#5
+var objectx = new Object();
+var objecty = new Object();
+objectx.prop = 1;
+objecty.prop = 2;
+if (objectx.prop < objecty.prop !== true) {
+  $ERROR('#5: var objectx = new Object(); var objecty = new Object(); objectx.prop = 1; objecty.prop = 2; objectx.prop < objecty.prop === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.1_T2.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.1_T2.js
new file mode 100644
index 000000000..591c7a7a5
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_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 < y uses GetValue
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A2.1_T2.js
+ * @description If GetBase(x) is null, throw ReferenceError
+ */
+
+//CHECK#1
+try {
+  x < 1;
+  $ERROR('#1.1: x < 1 throw ReferenceError. Actual: ' + (x < 1));  
+}
+catch (e) {
+  if ((e instanceof ReferenceError) !== true) {
+    $ERROR('#1.2: x < 1 throw ReferenceError. Actual: ' + (e));  
+  }
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.1_T3.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.1_T3.js
new file mode 100644
index 000000000..b71cac528
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.1_T3.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 < y uses GetValue
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A2.1_T3.js
+ * @description If GetBase(y) is null, throw ReferenceError
+ */
+
+//CHECK#1
+try {
+  1 < y;
+  $ERROR('#1.1: 1 < y throw ReferenceError. Actual: ' + (1 < y));  
+}
+catch (e) {
+  if ((e instanceof ReferenceError) !== true) {
+    $ERROR('#1.2: 1 < y throw ReferenceError. Actual: ' + (e));  
+  }
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.2_T1.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.2_T1.js
new file mode 100644
index 000000000..8641cf4f2
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.2_T1.js
@@ -0,0 +1,71 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator x < y uses [[Default Value]]
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A2.2_T1.js
+ * @description If Type(value) is Object, evaluate ToPrimitive(value, Number)
+ */
+
+//CHECK#1
+if ({valueOf: function() {return 0}} < 1 !== true) {
+  $ERROR('#1: {valueOf: function() {return 1}} < 1 === true. Actual: ' + ({valueOf: function() {return 1}} < 1));
+}
+
+//CHECK#2
+if ({valueOf: function() {return 0}, toString: function() {return 2}} < 1 !== true) {
+  $ERROR('#2: {valueOf: function() {return 1}, toString: function() {return 0}} < 1 === true. Actual: ' + ({valueOf: function() {return 1}, toString: function() {return 0}} < 1));
+}
+
+//CHECK#3
+if ({valueOf: function() {return 0}, toString: function() {return {}}} < 1 !== true) {
+  $ERROR('#3: {valueOf: function() {return 1}, toString: function() {return {}}} < 1 === true. Actual: ' + ({valueOf: function() {return 1}, toString: function() {return {}}} < 1));
+}
+
+//CHECK#4
+try {
+  if ({valueOf: function() {return 0}, toString: function() {throw "error"}} < 1 !== true) {
+    $ERROR('#4.1: {valueOf: function() {return 1}, toString: function() {throw "error"}} < 1 === true. Actual: ' + ({valueOf: function() {return 1}, toString: function() {throw "error"}} < 1));
+  }
+}
+catch (e) {
+  if (e === "error") {
+    $ERROR('#4.2: {valueOf: function() {return 0}, toString: function() {throw "error"}} < 1 not throw "error"');
+  } else {
+    $ERROR('#4.3: {valueOf: function() {return 0}, toString: function() {throw "error"}} < 1 not throw Error. Actual: ' + (e));
+  }
+}
+
+//CHECK#5
+if (1 < {toString: function() {return 2}} !== true) {
+  $ERROR('#5: 1 < {toString: function() {return 2}} === true. Actual: ' + (1 < {toString: function() {return 2}}));
+}
+
+//CHECK#6
+if (1 < {valueOf: function() {return {}}, toString: function() {return 2}} !== true) {
+  $ERROR('#6: 1 < {valueOf: function() {return {}}, toString: function() {return 2}} === true. Actual: ' + (1 < {valueOf: function() {return {}}, toString: function() {return 2}}));
+}
+
+//CHECK#7
+try {
+  1 < {valueOf: function() {throw "error"}, toString: function() {return 2}};
+  $ERROR('#7.1: 1 < {valueOf: function() {throw "error"}, toString: function() {return 2}} throw "error". Actual: ' + (1 < {valueOf: function() {throw "error"}, toString: function() {return 2}}));
+}  
+catch (e) {
+  if (e !== "error") {
+    $ERROR('#7.2: 1 < {valueOf: function() {throw "error"}, toString: function() {return 2}} throw "error". Actual: ' + (e));
+  } 
+}
+
+//CHECK#8
+try {
+  1 < {valueOf: function() {return {}}, toString: function() {return {}}};
+  $ERROR('#8.1: 1 < {valueOf: function() {return {}}, toString: function() {return {}}} throw TypeError. Actual: ' + (1 < {valueOf: function() {return {}}, toString: function() {return {}}}));
+}  
+catch (e) {
+  if ((e instanceof TypeError) !== true) {
+    $ERROR('#8.2: 1 < {valueOf: function() {return {}}, toString: function() {return {}}} throw TypeError. Actual: ' + (e));
+  } 
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.3_T1.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.3_T1.js
new file mode 100644
index 000000000..9f7c478ca
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.3_T1.js
@@ -0,0 +1,26 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * ToNumber(first expression) is called first, and then ToNumber(second expression)
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A2.3_T1.js
+ * @description Checking with "throw"
+ */
+
+//CHECK#1
+var x = { valueOf: function () { throw "x"; } };
+var y = { valueOf: function () { throw "y"; } };
+try {
+   x < y;
+   $ERROR('#1.1: var x = { valueOf: function () { throw "x"; } }; var y = { valueOf: function () { throw "y"; } }; x < y throw "x". Actual: ' + (x < y));
+} catch (e) {
+   if (e === "y") {
+     $ERROR('#1.2: ToNumber(first expression) is called first, and then ToNumber(second expression)');
+   } else {
+     if (e !== "x") {
+       $ERROR('#1.3: var x = { valueOf: function () { throw "x"; } }; var y = { valueOf: function () { throw "y"; } }; x < y throw "x". Actual: ' + (e));
+     }
+   }
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.4_T1.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.4_T1.js
new file mode 100644
index 000000000..739640488
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.4_T1.js
@@ -0,0 +1,23 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * First expression is evaluated first, and then second expression
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A2.4_T1.js
+ * @description Checking with "="
+ */
+
+//CHECK#1
+var x = 1; 
+if ((x = 0) < x !== false) {
+  $ERROR('#1: var x = 1; (x = 0) < x === false');
+}
+
+//CHECK#2
+var x = 0; 
+if (x < (x = 1) !== true) {
+  $ERROR('#2: var x = 0; x < (x = 1) === true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.4_T2.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.4_T2.js
new file mode 100644
index 000000000..acd8c1274
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.4_T2.js
@@ -0,0 +1,26 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * First expression is evaluated first, and then second expression
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A2.4_T2.js
+ * @description Checking with "throw"
+ */
+
+//CHECK#1
+var x = function () { throw "x"; };
+var y = function () { throw "y"; };
+try {
+   x() < y();
+   $ERROR('#1.1: var x = function () { throw "x"; }; var y = function () { throw "y"; }; x() < y() throw "x". Actual: ' + (x() < y()));
+} catch (e) {
+   if (e === "y") {
+     $ERROR('#1.2: First expression is evaluated first, and then second expression');
+   } else {
+     if (e !== "x") {
+       $ERROR('#1.3: var x = function () { throw "x"; }; var y = function () { throw "y"; }; x() < y() throw "x". Actual: ' + (e));
+     }
+   }
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.4_T3.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.4_T3.js
new file mode 100644
index 000000000..657ef95f2
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A2.4_T3.js
@@ -0,0 +1,27 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * First expression is evaluated first, and then second expression
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A2.4_T3.js
+ * @description Checking with undeclarated variables
+ */
+
+//CHECK#1
+try {
+  x < (x = 1);
+  $ERROR('#1.1: x < (x = 1) throw ReferenceError. Actual: ' + (x < (x = 1)));  
+}
+catch (e) {
+  if ((e instanceof ReferenceError) !== true) {
+    $ERROR('#1.2: x < (x = 1) throw ReferenceError. Actual: ' + (e));  
+  }
+}
+
+//CHECK#2
+if ((y = 1) < y !== false) {
+  $ERROR('#2: (y = 1) < y === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T1.1.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T1.1.js
new file mode 100644
index 000000000..0d01c8f9f
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T1.1.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x < y returns ToNumber(x) < ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A3.1_T1.1.js
+ * @description Type(Primitive(x)) and Type(Primitive(y)) vary between primitive boolean and Boolean object
+ */
+
+//CHECK#1
+if (true < true !== false) {
+  $ERROR('#1: true < true === false');
+}
+
+//CHECK#2
+if (new Boolean(true) < true !== false) {
+  $ERROR('#2: new Boolean(true) < true === false');
+}
+
+//CHECK#3
+if (true < new Boolean(true) !== false) {
+  $ERROR('#3: true < new Boolean(true) === false');
+}
+
+//CHECK#4
+if (new Boolean(true) < new Boolean(true) !== false) {
+  $ERROR('#4: new Boolean(true) < new Boolean(true) === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T1.2.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T1.2.js
new file mode 100644
index 000000000..afec980fd
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T1.2.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.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x < y returns ToNumber(x) < ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A3.1_T1.2.js
+ * @description Type(Primitive(x)) and Type(Primitive(y)) vary between primitive number and Number object
+ */
+
+//CHECK#1
+if (1 < 1 !== false) {
+  $ERROR('#1: 1 < 1 === false');
+}
+
+//CHECK#2
+if (new Number(1) < 1 !== false) {
+  $ERROR('#2: new Number(1) < 1 === false');
+}
+
+//CHECK#3
+if (1 < new Number(1) !== false) {
+  $ERROR('#3: 1 < new Number(1) === false');
+}
+
+//CHECK#4
+if (new Number(1) < new Number(1) !== false) {
+  $ERROR('#4: new Number(1) < new Number(1) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T1.3.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T1.3.js
new file mode 100644
index 000000000..7964cd27d
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T1.3.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x < y returns ToNumber(x) < ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A3.1_T1.3.js
+ * @description Type(Primitive(x)) and Type(Primitive(y)) vary between Null and Undefined
+ */
+
+//CHECK#1
+if (null < undefined !== false) {
+  $ERROR('#1: null < undefined === false');
+}
+
+//CHECK#2
+if (undefined < null !== false) {
+  $ERROR('#2: undefined < null === false');
+}
+
+//CHECK#3
+if (undefined < undefined !== false) {
+  $ERROR('#3: undefined < undefined === false');
+}
+
+//CHECK#4
+if (null < null !== false) {
+  $ERROR('#4: null < null === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.1.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.1.js
new file mode 100644
index 000000000..acbeb65db
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.1.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.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x < y returns ToNumber(x) < ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A3.1_T2.1.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types are Number (primitive or object) or Boolean (primitive and object)
+ */
+
+//CHECK#1
+if (true < 1 !== false) {
+  $ERROR('#1: true < 1 === false');
+}
+
+//CHECK#2
+if (1 < true !== false) {
+  $ERROR('#2: 1 < true === false');
+}
+
+//CHECK#3
+if (new Boolean(true) < 1 !== false) {
+  $ERROR('#3: new Boolean(true) < 1 === false');
+}
+
+//CHECK#4
+if (1 < new Boolean(true) !== false) {
+  $ERROR('#4: 1 < new Boolean(true) === false');
+}
+
+//CHECK#5
+if (true < new Number(1) !== false) {
+  $ERROR('#5: true < new Number(1) === false');
+}
+
+//CHECK#6
+if (new Number(1) < true !== false) {
+  $ERROR('#6: new Number(1) < true === false');
+}
+
+//CHECK#7
+if (new Boolean(true) < new Number(1) !== false) {
+  $ERROR('#7: new Boolean(true) < new Number(1) === false');
+}
+
+//CHECK#8
+if (new Number(1) < new Boolean(true) !== false) {
+  $ERROR('#8: new Number(1) < new Boolean(true) === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.2.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.2.js
new file mode 100644
index 000000000..e67f1c50a
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.2.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.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x < y returns ToNumber(x) < ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A3.1_T2.2.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Number (primitive or object) and String (primitive and object)
+ */
+
+//CHECK#1
+if ("1" < 1 !== false) {
+  $ERROR('#1: "1" < 1 === false');
+}
+
+//CHECK#2
+if (1 < "1" !== false) {
+  $ERROR('#2: 1 < "1" === false');
+}
+
+//CHECK#3
+if (new String("1") < 1 !== false) {
+  $ERROR('#3: new String("1") < 1 === false');
+}
+
+//CHECK#4
+if (1 < new String("1") !== false) {
+  $ERROR('#4: 1 < new String("1") === false');
+}
+
+//CHECK#5
+if ("1" < new Number(1) !== false) {
+  $ERROR('#5: "1" < new Number(1) === false');
+}
+
+//CHECK#6
+if (new Number(1) < "1" !== false) {
+  $ERROR('#6: new Number(1) < "1" === false');
+}
+
+//CHECK#7
+if (new String("1") < new Number(1) !== false) {
+  $ERROR('#7: new String("1") < new Number(1) === false');
+}
+
+//CHECK#8
+if (new Number(1) < new String("1") !== false) {
+  $ERROR('#8: new Number(1) < new String("1") === false');
+}
+
+//CHECK#9
+if ("x" < 1 !== false) {
+  $ERROR('#9: "x" < 1 === false');
+}
+
+//CHECK#10
+if (1 < "x" !== false) {
+  $ERROR('#10: 1 < "x" === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.3.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.3.js
new file mode 100644
index 000000000..32d4fa5fa
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.3.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x < y returns ToNumber(x) < ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A3.1_T2.3.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Number (primitive or object) and Null
+ */
+
+//CHECK#1
+if (1 < null !== false) {
+  $ERROR('#1: 1 < null === false');
+}
+
+//CHECK#2
+if (null < 1 !== true) {
+  $ERROR('#2: null < 1 === true');
+}
+
+//CHECK#3
+if (new Number(1) < null !== false) {
+  $ERROR('#3: new Number(1) < null === false');
+}
+
+//CHECK#4
+if (null < new Number(1) !== true) {
+  $ERROR('#4: null < new Number(1) === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.4.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.4.js
new file mode 100644
index 000000000..19ce587cb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.4.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x < y returns ToNumber(x) < ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A3.1_T2.4.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Number (primitive or object) and Undefined
+ */
+
+//CHECK#1
+if (1 < undefined !== false) {
+  $ERROR('#1: 1 < undefined === false');
+}
+
+//CHECK#2
+if (undefined < 1 !== false) {
+  $ERROR('#2: undefined < 1 === false');
+}
+
+//CHECK#3
+if (new Number(1) < undefined !== false) {
+  $ERROR('#3: new Number(1) < undefined === false');
+}
+
+//CHECK#4
+if (undefined < new Number(1) !== false) {
+  $ERROR('#4: undefined < new Number(1) === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.5.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.5.js
new file mode 100644
index 000000000..2ec157c85
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.5.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.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x < y returns ToNumber(x) < ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A3.1_T2.5.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between String (primitive or object) and Boolean (primitive and object)
+ */
+
+//CHECK#1
+if (true < "1" !== false) {
+  $ERROR('#1: true < "1" === false');
+}
+
+//CHECK#2
+if ("1" < true !== false) {
+  $ERROR('#2: "1" < true === false');
+}
+
+//CHECK#3
+if (new Boolean(true) < "1" !== false) {
+  $ERROR('#3: new Boolean(true) < "1" === false');
+}
+
+//CHECK#4
+if ("1" < new Boolean(true) !== false) {
+  $ERROR('#4: "1" < new Boolean(true) === false');
+}
+
+//CHECK#5
+if (true < new String("1") !== false) {
+  $ERROR('#5: true < new String("1") === false');
+}
+
+//CHECK#6
+if (new String("1") < true !== false) {
+  $ERROR('#6: new String("1") < true === false');
+}
+
+//CHECK#7
+if (new Boolean(true) < new String("1") !== false) {
+  $ERROR('#7: new Boolean(true) < new String("1") === false');
+}
+
+//CHECK#8
+if (new String("1") < new Boolean(true) !== false) {
+  $ERROR('#8: new String("1") < new Boolean(true) === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.6.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.6.js
new file mode 100644
index 000000000..de4ef0016
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.6.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x < y returns ToNumber(x) < ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A3.1_T2.6.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between String (primitive or object) and Undefined
+ */
+
+//CHECK#1
+if ("1" < undefined !== false) {
+  $ERROR('#1: "1" < undefined === false');
+}
+
+//CHECK#2
+if (undefined < "1" !== false) {
+  $ERROR('#2: undefined < "1" === false');
+}
+
+//CHECK#3
+if (new String("1") < undefined !== false) {
+  $ERROR('#3: new String("1") < undefined === false');
+}
+
+//CHECK#4
+if (undefined < new String("1") !== false) {
+  $ERROR('#4: undefined < new String("1") === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.7.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.7.js
new file mode 100644
index 000000000..97e9c8fdd
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.7.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x < y returns ToNumber(x) < ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A3.1_T2.7.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between String (primitive or object) and Null
+ */
+
+//CHECK#1
+if ("1" < null !== false) {
+  $ERROR('#1: "1" < null === false');
+}
+
+//CHECK#2
+if (null < "1" !== true) {
+  $ERROR('#2: null < "1" === true');
+}
+
+//CHECK#3
+if (new String("1") < null !== false) {
+  $ERROR('#3: new String("1") < null === false');
+}
+
+//CHECK#4
+if (null < new String("1") !== true) {
+  $ERROR('#4: null < new String("1") === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.8.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.8.js
new file mode 100644
index 000000000..dcd5dfef8
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.8.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x < y returns ToNumber(x) < ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A3.1_T2.8.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Boolean (primitive or object) and Undefined
+ */
+
+//CHECK#1
+if (true < undefined !== false) {
+  $ERROR('#1: true < undefined === false');
+}
+
+//CHECK#2
+if (undefined < true !== false) {
+  $ERROR('#2: undefined < true === false');
+}
+
+//CHECK#3
+if (new Boolean(true) < undefined !== false) {
+  $ERROR('#3: new Boolean(true) < undefined === false');
+}
+
+//CHECK#4
+if (undefined < new Boolean(true) !== false) {
+  $ERROR('#4: undefined < new Boolean(true) === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.9.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.9.js
new file mode 100644
index 000000000..3e47b7d07
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.1_T2.9.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x < y returns ToNumber(x) < ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A3.1_T2.9.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Boolean (primitive or object) and Null
+ */
+
+//CHECK#1
+if (true < null !== false) {
+  $ERROR('#1: true < null === false');
+}
+
+//CHECK#2
+if (null < true !== true) {
+  $ERROR('#2: null < true === true');
+}
+
+//CHECK#3
+if (new Boolean(true) < null !== false) {
+  $ERROR('#3: new Boolean(true) < null === false');
+}
+
+//CHECK#4
+if (null < new Boolean(true) !== true) {
+  $ERROR('#4: null < new Boolean(true) === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.2_T1.1.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.2_T1.1.js
new file mode 100644
index 000000000..9e1cb7811
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.2_T1.1.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.
+
+/**
+ * Operator x < y returns ToString(x) < ToString(y), if Type(Primitive(x)) is String and Type(Primitive(y)) is String
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A3.2_T1.1.js
+ * @description Type(Primitive(x)) and Type(Primitive(y)) vary between primitive string and String object
+ */
+
+//CHECK#1
+if ("1" < "1" !== false) {
+  $ERROR('#1: "1" < "1" === false');
+}
+
+//CHECK#2
+if (new String("1") < "1" !== false) {
+  $ERROR('#2: new String("1") < "1" === false');
+}
+
+//CHECK#3
+if ("1" < new String("1") !== false) {
+  $ERROR('#3: "1" < new String("1") === false');
+}
+
+//CHECK#4
+if (new String("1") < new String("1") !== false) {
+  $ERROR('#4: new String("1") < new String("1") === false');
+}
+
+//CHECK#5
+if ("x" < "1" !== false) {
+  $ERROR('#5: "x" < "1" === false');
+}
+
+//CHECK#6
+if ("1" < "x" !== true) {
+  $ERROR('#6: "1" < "x" === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.2_T1.2.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.2_T1.2.js
new file mode 100644
index 000000000..47068903b
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A3.2_T1.2.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator x < y returns ToString(x) < ToString(y), if Type(Primitive(x)) is String and Type(Primitive(y)) is String
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A3.2_T1.2.js
+ * @description Type(Primitive(x)) and Type(Primitive(y)) vary between Object object and Function object
+ */
+
+//CHECK#1
+if (({} < function(){return 1}) !== ({}.toString() < function(){return 1}.toString())) {
+  $ERROR('#1: ({} < function(){return 1}) === ({}.toString() < function(){return 1}.toString())');
+}
+
+//CHECK#2
+if ((function(){return 1} < {}) !== (function(){return 1}.toString() < {}.toString())) {
+  $ERROR('#2: (function(){return 1} < {}) === (function(){return 1}.toString() < {}.toString())');
+}
+
+//CHECK#3
+if ((function(){return 1} < function(){return 1}) !== (function(){return 1}.toString() < function(){return 1}.toString())) {
+  $ERROR('#3: (function(){return 1} < function(){return 1}) === (function(){return 1}.toString() < function(){return 1}.toString())');
+}
+
+//CHECK#4
+if (({} < {}) !== ({}.toString() < {}.toString())) {
+  $ERROR('#4: ({} < {}) === ({}.toString() < {}.toString())');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.1.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.1.js
new file mode 100644
index 000000000..5dee6e657
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.1.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.
+
+/**
+ * If x is NaN, return false (if result in 11.8.5 is undefined, return false)
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A4.1.js
+ * @description y is number primitive
+ */
+
+//CHECK#1
+if ((Number.NaN < 0) !== false) {
+  $ERROR('#1: (NaN < 0) === false');
+}
+
+//CHECK#2
+if ((Number.NaN < 1.1) !== false) {
+  $ERROR('#2: (NaN < 1.1) === false');
+}
+
+//CHECK#3
+if ((Number.NaN < -1.1) !== false) {
+  $ERROR('#3: (NaN < -1.1) === false');
+}
+
+//CHECK#4
+if ((Number.NaN < Number.NaN) !== false) {
+  $ERROR('#4: (NaN < NaN) === false');
+}
+
+//CHECK#5
+if ((Number.NaN < Number.POSITIVE_INFINITY) !== false) {
+  $ERROR('#5: (NaN < +Infinity) === false');
+}
+
+//CHECK#6
+if ((Number.NaN < Number.NEGATIVE_INFINITY) !== false) {
+  $ERROR('#6: (NaN < -Infinity) === false');
+}
+
+//CHECK#7
+if ((Number.NaN < Number.MAX_VALUE) !== false) {
+  $ERROR('#7: (NaN < Number.MAX_VALUE) === false');
+}
+
+//CHECK#8
+if ((Number.NaN < Number.MIN_VALUE) !== false) {
+  $ERROR('#8: (NaN < Number.MIN_VALUE) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.10.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.10.js
new file mode 100644
index 000000000..2caacdc42
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.10.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.
+
+/**
+ * If y is a prefix of x, return false
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A4.10.js
+ * @description x and y are string primitives
+ */
+
+//CHECK#1
+if (("x" < "x") !== false) {
+  $ERROR('#1: ("x" < "x") === false');
+}
+
+//CHECK#2
+if (("x" < "") !== false) {
+  $ERROR('#2: ("x" < "") === false');
+}
+
+//CHECK#3
+if (("abcd" < "ab") !== false) {
+  $ERROR('#3: ("abcd" < ab") === false');
+}
+
+//CHECK#4
+if (("abc\u0064" < "abcd") !== false) {
+  $ERROR('#4: ("abc\\u0064" < abcd") === false');
+}
+
+//CHECK#5
+if (("x" + "y" < "x") !== false) {
+  $ERROR('#5: ("x" + "y" < "x") === false');
+}
+
+//CHECK#6
+var x = "x";
+if ((x + "y" < x) !== false) {
+  $ERROR('#6: var x = "x"; (x + "y" < x) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.11.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.11.js
new file mode 100644
index 000000000..2c87da030
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.11.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.
+
+/**
+ * If x is a prefix of y and x !== y, return true
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A4.11.js
+ * @description x and y are string primitives
+ */
+
+//CHECK#1
+if (("x" < "x ") !== true) {
+  $ERROR('#1: ("x" < "x ") === true');
+}
+
+//CHECK#2
+if (("" < "x") !== true) {
+  $ERROR('#2: ("" < "x") === true');
+}
+
+//CHECK#3
+if (("ab" < "abcd") !== true) {
+  $ERROR('#3: ("ab" < abcd") === true');
+}
+
+//CHECK#4
+if (("abcd" < "abc\u0064") !== false) {
+  $ERROR('#4: ("abcd" < abc\\u0064") === false');
+}
+
+//CHECK#5
+if (("x" < "x" + "y") !== true) {
+  $ERROR('#5: ("x" < "x" + "y") === true');
+}
+
+//CHECK#6
+var x = "x";
+if ((x < x + "y") !== true) {
+  $ERROR('#6: var x = "x"; (x < x + "y") === true');
+}
+
+//CHECK#7
+if (("a\u0000" < "a\u0000a") !== true) {
+  $ERROR('#7: ("a\\u0000" < "a\\u0000a") === true');
+}
+
+//CHECK#8
+if (("x" < " x") !== false) {
+  $ERROR('#8: ("x" < " x") === false');
+}
+
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.12_T1.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.12_T1.js
new file mode 100644
index 000000000..b8f0eb78d
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.12_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.
+
+/**
+ * If neither x, nor y is a prefix of each other, returned result of strings comparison applies a simple lexicographic ordering to the sequences of code point value values
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A4.12_T1.js
+ * @description x and y are string primitives
+ */
+
+//CHECK#1
+if (("xx" < "xy") !== true) {
+  $ERROR('#1: ("xx" < "xy") === true');
+}
+
+//CHECK#2
+if (("xy" < "xx") !== false) {
+  $ERROR('#2: ("xy" < "xx") === false');
+}
+
+//CHECK#3
+if (("x" < "y") !== true) {
+  $ERROR('#3: ("x" < y") === true');
+}
+
+//CHECK#4
+if (("aab" < "aba") !== true) {
+  $ERROR('#4: ("aab" < aba") === true');
+}
+
+//CHECK#5
+if (("\u0061\u0061\u0061\u0062" < "\u0061\u0061\u0061\u0061") !== false) {
+  $ERROR('#5: ("\\u0061\\u0061\\u0061\\u0062" < \\u0061\\u0061\\u0061\\u0061") === false');
+}
+
+//CHECK#6
+if (("a\u0000a" < "a\u0000b") !== true) {
+  $ERROR('#6: ("a\\u0000a" < "a\\u0000b") === true');
+}
+
+//CHECK#7
+if (("aB" < "aa") !== true) {
+  $ERROR('#7: ("aB" < aa") === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.12_T2.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.12_T2.js
new file mode 100644
index 000000000..0b0e2d5fb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.12_T2.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.
+
+/**
+ * If neither x, nor y is a prefix of each other, returned result of strings comparison applies a simple lexicographic ordering to the sequences of code point value values
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A4.12_T2.js
+ * @description x and y are string primitives
+ */
+
+//CHECK#1
+if (("0" < "x") !== true) {
+  $ERROR('#1: ("0" < "x") !== true');
+}
+
+//CHECK#2
+if (("-" < "0") !== true) {
+  $ERROR('#2: ("-" < "0") !== true');
+}
+
+//CHECK#3
+if (("." < "0") !== true) {
+  $ERROR('#3: ("." < "0") !== true');
+}
+
+//CHECK#4
+if (("+" < "-") !== true) {
+  $ERROR('#4: ("+" < "-") !== true');
+}
+
+//CHECK#5
+if (("-0" < "-1") !== true) {
+  $ERROR('#5: ("-0" < "-1") !== true');
+}
+
+//CHECK#6
+if (("+1" < "-1") !== true) {
+  $ERROR('#6: ("+1" < "-1") !== true');
+}
+
+//CHECK#7
+if (("1" < "1e-10") !== true) {
+$ERROR('#7: ("1" < "1e-10") !== true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.2.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.2.js
new file mode 100644
index 000000000..2ab4adeb4
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.2.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.
+
+/**
+ * If y is NaN, return false (if result in 11.8.5 is undefined, return false)
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A4.2.js
+ * @description x is number primitive
+ */
+
+//CHECK#1
+if ((0 < Number.NaN) !== false) {
+  $ERROR('#1: (0 < NaN) === false');
+}
+
+//CHECK#2
+if ((1.1 < Number.NaN) !== false) {
+  $ERROR('#2: (1.1 < NaN) === false');
+}
+
+//CHECK#3
+if ((-1.1 < Number.NaN) !== false) {
+  $ERROR('#3: (-1.1 < NaN) === false');
+}
+
+//CHECK#4
+if ((Number.NaN < Number.NaN) !== false) {
+  $ERROR('#4: (NaN < NaN) === false');
+}
+
+//CHECK#5
+if ((Number.POSITIVE_INFINITY < Number.NaN) !== false) {
+  $ERROR('#5: (+Infinity < NaN) === false');
+}
+
+//CHECK#6
+if ((Number.NEGATIVE_INFINITY < Number.NaN) !== false) {
+  $ERROR('#6: (-Infinity < NaN) === false');
+}
+
+//CHECK#7
+if ((Number.MAX_VALUE < Number.NaN) !== false) {
+  $ERROR('#7: (Number.MAX_VALUE < NaN) === false');
+}
+
+//CHECK#8
+if ((Number.MIN_VALUE < Number.NaN) !== false) {
+  $ERROR('#8: (Number.MIN_VALUE < NaN) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.3.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.3.js
new file mode 100644
index 000000000..1fa8a4988
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.3.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.
+
+/**
+ * If x and y are the same number value, return false
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A4.3.js
+ * @description x and y are number primitives
+ */
+
+//CHECK#1
+if ((1 < 1) !== false) {
+  $ERROR('#1: (1 < 1) === false');
+}
+
+//CHECK#2
+if ((1.1 < 1.1) !== false) {
+  $ERROR('#2: (1.1 < 1.1) === false');
+}
+
+//CHECK#3
+if ((-1.1 < -1.1) !== false) {
+  $ERROR('#3: (-1.1 < -1.1) === false');
+}
+
+//CHECK#4
+if ((Number.NEGATIVE_INFINITY < Number.NEGATIVE_INFINITY) !== false) {
+  $ERROR('#4: (-Infinity < -Infinity) === false');
+}
+
+//CHECK#5
+if ((Number.POSITIVE_INFINITY < Number.POSITIVE_INFINITY) !== false) {
+  $ERROR('#5: (+Infinity < +Infinity) === false');
+}
+
+//CHECK#6
+if ((Number.MAX_VALUE < Number.MAX_VALUE) !== false) {
+  $ERROR('#6: (Number.MAX_VALUE < Number.MAX_VALUE) === false');
+}
+
+//CHECK#7
+if ((Number.MIN_VALUE < Number.MIN_VALUE) !== false) {
+  $ERROR('#7: (Number.MIN_VALUE < Number.MIN_VALUE) === false');
+}
+
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.4.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.4.js
new file mode 100644
index 000000000..d04541e42
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.4.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.
+
+/**
+ * If x and y are +0 and -0, return false
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A4.4.js
+ * @description Checking all combinations
+ */
+
+//CHECK#1
+if ((0 < 0) !== false) {
+  $ERROR('#1: (0 < 0) === false');
+}
+
+//CHECK#2
+if ((-0 < -0) !== false) {
+  $ERROR('#2: (-0 < -0) === false');
+}
+
+//CHECK#3
+if ((+0 < -0) !== false) {
+  $ERROR('#3: (+0 < -0) === false');
+}
+
+//CHECK#4
+if ((-0 < +0) !== false) {
+  $ERROR('#4: (-0 < +0) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.5.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.5.js
new file mode 100644
index 000000000..d874e0fde
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.5.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.
+
+/**
+ * If x is +Infinity, return false
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A4.5.js
+ * @description y is number primitive
+ */
+
+//CHECK#1
+if ((Number.POSITIVE_INFINITY < 0) !== false) {
+  $ERROR('#1: (+Infinity < 0) === false');
+}
+
+//CHECK#2
+if ((Number.POSITIVE_INFINITY < 1.1) !== false) {
+  $ERROR('#2: (+Infinity < 1.1) === false');
+}
+
+//CHECK#3
+if ((Number.POSITIVE_INFINITY < -1.1) !== false) {
+  $ERROR('#3: (+Infinity < -1.1) === false');
+}
+
+//CHECK#4
+if ((Number.POSITIVE_INFINITY < Number.NEGATIVE_INFINITY) !== false) {
+  $ERROR('#4: (+Infinity < -Infinity) === false');
+}
+
+//CHECK#5
+if ((Number.POSITIVE_INFINITY < Number.MAX_VALUE) !== false) {
+  $ERROR('#5: (+Infinity < Number.MAX_VALUE) === false');
+}
+
+//CHECK#6
+if ((Number.POSITIVE_INFINITY < Number.MIN_VALUE) !== false) {
+  $ERROR('#6: (+Infinity < Number.MIN_VALUE) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.6.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.6.js
new file mode 100644
index 000000000..2dce0a45a
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.6.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.
+
+/**
+ * If y is +Infinity and x !== y, return true
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A4.6.js
+ * @description x is number primitive
+ */
+
+//CHECK#1
+if ((0 < Number.POSITIVE_INFINITY) !== true) {
+  $ERROR('#1: (0 < +Infinity) === true');
+}
+
+//CHECK#2
+if ((1.1 < Number.POSITIVE_INFINITY) !== true) {
+  $ERROR('#2: (1.1 < +Infinity) === true');
+}
+
+//CHECK#3
+if ((-1.1 < Number.POSITIVE_INFINITY) !== true) {
+  $ERROR('#3: (-1.1 < +Infinity) === true');
+}
+
+//CHECK#4
+if ((Number.NEGATIVE_INFINITY < Number.POSITIVE_INFINITY) !== true) {
+  $ERROR('#4: (-Infinity < +Infinity) === true');
+}
+
+//CHECK#5
+if ((Number.MAX_VALUE < Number.POSITIVE_INFINITY) !== true) {
+  $ERROR('#5: (Number.MAX_VALUE < +Infinity) === true');
+}
+
+//CHECK#6
+if ((Number.MIN_VALUE < Number.POSITIVE_INFINITY) !== true) {
+  $ERROR('#6: (Number.MIN_VALUE < +Infinity) === true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.7.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.7.js
new file mode 100644
index 000000000..a54ec57be
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.7.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.
+
+/**
+ * If x is -Infinity and x !== y, return true
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A4.7.js
+ * @description y is number primitive
+ */
+
+//CHECK#1
+if ((Number.NEGATIVE_INFINITY < 0) !== true) {
+  $ERROR('#1: (-Infinity < 0) === true');
+}
+
+//CHECK#2
+if ((Number.NEGATIVE_INFINITY < 1.1) !== true) {
+  $ERROR('#2: (-Infinity < 1.1) === true');
+}
+
+//CHECK#3
+if ((Number.NEGATIVE_INFINITY < -1.1) !== true) {
+  $ERROR('#3: (-Infinity < -1.1) === true');
+}
+
+//CHECK#4
+if ((Number.NEGATIVE_INFINITY < Number.POSITIVE_INFINITY) !== true) {
+  $ERROR('#4: (-Infinity < +Infinity) === true');
+}
+
+//CHECK#5
+if ((Number.NEGATIVE_INFINITY < Number.MAX_VALUE) !== true) {
+  $ERROR('#5: (-Infinity < Number.MAX_VALUE) === true');
+}
+
+//CHECK#6
+if ((Number.NEGATIVE_INFINITY < Number.MIN_VALUE) !== true) {
+  $ERROR('#6: (-Infinity < Number.MIN_VALUE) === true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.8.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.8.js
new file mode 100644
index 000000000..ac5202d5a
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.8.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.
+
+/**
+ * If y is -Infinity, return false
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A4.8.js
+ * @description x is number primitive
+ */
+
+//CHECK#1
+if ((0 < Number.NEGATIVE_INFINITY) !== false) {
+  $ERROR('#1: (0 < -Infinity) === false');
+}
+
+//CHECK#2
+if ((1.1 < Number.NEGATIVE_INFINITY) !== false) {
+  $ERROR('#2: (1.1 < -Infinity) === false');
+}
+
+//CHECK#3
+if ((-1.1 < Number.NEGATIVE_INFINITY) !== false) {
+  $ERROR('#3: (-1.1 < -Infinity) === false');
+}
+
+//CHECK#4
+if ((Number.POSITIVE_INFINITY < Number.NEGATIVE_INFINITY) !== false) {
+  $ERROR('#4: (+Infinity < -Infinity) === false');
+}
+
+//CHECK#5
+if ((Number.MAX_VALUE < Number.NEGATIVE_INFINITY) !== false) {
+  $ERROR('#5: (Number.MAX_VALUE < -Infinity) === false');
+}
+
+//CHECK#6
+if ((Number.MIN_VALUE < Number.NEGATIVE_INFINITY) !== false) {
+  $ERROR('#6: (Number.MIN_VALUE < -Infinity) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.9.js b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.9.js
new file mode 100644
index 000000000..32839492c
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/S11.8.1_A4.9.js
@@ -0,0 +1,52 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If x is less than y and these values are both finite non-zero, return true; otherwise, return false
+ *
+ * @path ch11/11.8/11.8.1/S11.8.1_A4.9.js
+ * @description x and y are number primitives
+ */
+
+//CHECK#1
+if ((1.1 < 1) !== false) {
+  $ERROR('#1: (1.1 < 1) === false');
+}
+
+//CHECK#2
+if ((1 < 1.1) !== true) {
+  $ERROR('#2: (1 < 1.1) === true');
+}
+
+//CHECK#3
+if ((-1.1 < -1) !== true) {
+  $ERROR('#3: (-1.1 < -1) === true');
+}
+
+//CHECK#4
+if ((-1 < -1.1) !== false) {
+  $ERROR('#4: (-1 < -1.1) === false');
+}
+
+//CHECK#5
+if ((0 < 0.1) !== true) {
+  $ERROR('#5: (0 < 0.1) === true');
+}
+
+//CHECK#6
+if ((-0.1 < 0) !== true) {
+  $ERROR('#6: (-0.1 < 0) === true');
+}
+
+//CHECK#7
+if ((Number.MAX_VALUE/2 < Number.MAX_VALUE) !== true) {
+  $ERROR('#7: (Number.MAX_VALUE/2 < Number.MAX_VALUE) === true');
+}
+
+//CHECK#8
+if ((Number.MIN_VALUE < Number.MIN_VALUE*2) !== true) {
+  $ERROR('#8: (Number.MIN_VALUE < Number.MIN_VALUE*2) === true');
+}
+
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/browser.js b/js/src/tests/test262/ch11/11.8/11.8.1/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/browser.js
diff --git a/js/src/tests/test262/ch11/11.8/11.8.1/shell.js b/js/src/tests/test262/ch11/11.8/11.8.1/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.1/shell.js
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/11.8.2-1.js b/js/src/tests/test262/ch11/11.8/11.8.2/11.8.2-1.js
new file mode 100644
index 000000000..97270dca2
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/11.8.2-1.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 ch11/11.8/11.8.2/11.8.2-1.js
+ * @description 11.8.2 Greater-than Operator - Partial left to right order enforced when using Greater-than operator: valueOf > valueOf
+ */
+
+
+function testcase() {
+        var accessed = false;
+        var obj1 = {
+            valueOf: function () {
+                accessed = true;
+                return 3;
+            }
+        };
+        var obj2 = {
+            valueOf: function () {
+                if (accessed === true) {
+                    return 4;
+                } else {
+                    return 2;
+                }
+            }
+        };
+        return !(obj1 > obj2);
+    }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/11.8.2-2.js b/js/src/tests/test262/ch11/11.8/11.8.2/11.8.2-2.js
new file mode 100644
index 000000000..248452e99
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/11.8.2-2.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 ch11/11.8/11.8.2/11.8.2-2.js
+ * @description 11.8.2 Greater-than Operator - Partial left to right order enforced when using Greater-than operator: valueOf > toString
+ */
+
+
+function testcase() {
+        var accessed = false;
+        var obj1 = {
+            valueOf: function () {
+                accessed = true;
+                return 3;
+            }
+        };
+        var obj2 = {
+            toString: function () {
+                if (accessed === true) {
+                    return 4;
+                } else {
+                    return 2;
+                }
+            }
+        };
+        return !(obj1 > obj2);
+    }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/11.8.2-3.js b/js/src/tests/test262/ch11/11.8/11.8.2/11.8.2-3.js
new file mode 100644
index 000000000..b0db66533
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/11.8.2-3.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 ch11/11.8/11.8.2/11.8.2-3.js
+ * @description 11.8.2 Greater-than Operator - Partial left to right order enforced when using Greater-than operator: toString > valueOf
+ */
+
+
+function testcase() {
+        var accessed = false;
+        var obj1 = {
+            toString: function () {
+                accessed = true;
+                return 3;
+            }
+        };
+        var obj2 = {
+            valueOf: function () {
+                if (accessed === true) {
+                    return 4;
+                } else {
+                    return 2;
+                }
+            }
+        };
+        return !(obj1 > obj2);
+    }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/11.8.2-4.js b/js/src/tests/test262/ch11/11.8/11.8.2/11.8.2-4.js
new file mode 100644
index 000000000..50817010b
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/11.8.2-4.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 ch11/11.8/11.8.2/11.8.2-4.js
+ * @description 11.8.2 Greater-than Operator - Partial left to right order enforced when using Greater-than operator: toString > toString
+ */
+
+
+function testcase() {
+        var accessed = false;
+        var obj1 = {
+            toString: function () {
+                accessed = true;
+                return 3;
+            }
+        };
+        var obj2 = {
+            toString: function () {
+                if (accessed === true) {
+                    return 4;
+                } else {
+                    return 2;
+                }
+            }
+        };
+        return !(obj1 > obj2);
+    }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A1.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A1.js
new file mode 100644
index 000000000..e2d072282
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_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 RelationalExpression and ">" or ">" and ShiftExpression are allowed
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A1.js
+ * @description Checking by using eval
+ */
+
+//CHECK#1
+if (eval("0\u0009>\u00091") !== false) {
+  $ERROR('#1: 0\\u0009>\\u00091) === false');
+}
+
+//CHECK#2
+if (eval("0\u000B>\u000B1") !== false) {
+  $ERROR('#2: 0\\u000B>\\u000B1) === false');  
+}
+
+//CHECK#3
+if (eval("0\u000C>\u000C1") !== false) {
+  $ERROR('#3: (0\\u000C>\\u000C1) === false');
+}
+
+//CHECK#4
+if (eval("0\u0020>\u00201") !== false) {
+  $ERROR('#4: (0\\u0020>\\u00201) === false');
+}
+
+//CHECK#5
+if (eval("0\u00A0>\u00A01") !== false) {
+  $ERROR('#5: (0\\u00A0>\\u00A01) === false');
+}
+
+//CHECK#6
+if (eval("0\u000A>\u000A1") !== false) {
+  $ERROR('#6: (0\\u000A>\\u000A1) === false');  
+}
+
+//CHECK#7
+if (eval("0\u000D>\u000D1") !== false) {
+  $ERROR('#7: (0\\u000D>\\u000D1) === false');
+}
+
+//CHECK#8
+if (eval("0\u2028>\u20281") !== false) {
+  $ERROR('#8: (0\\u2028>\\u20281) === false');
+}
+
+//CHECK#9
+if (eval("0\u2029>\u20291") !== false) {
+  $ERROR('#9: (0\\u2029>\\u20291) === false');
+}
+
+//CHECK#10
+if (eval("1\u0009\u000B\u000C\u0020\u00A0\u000A\u000D\u2028\u2029>=\u0009\u000B\u000C\u0020\u00A0\u000A\u000D\u2028\u20291") !== true) {
+  $ERROR('#10: (1\\u0009\\u000B\\u000C\\u0020\\u00A0\\u000A\\u000D\\u2028\\u2029>=\\u0009\\u000B\\u000C\\u0020\\u00A0\\u000A\\u000D\\u2028\\u20291) === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.1_T1.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.1_T1.js
new file mode 100644
index 000000000..9ae91af51
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.1_T1.js
@@ -0,0 +1,43 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator x > y uses GetValue
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A2.1_T1.js
+ * @description Either Type is not Reference or GetBase is not null
+ */
+
+//CHECK#1
+if (2 > 1 !== true) {
+  $ERROR('#1: 2 > 1 === true');
+}
+
+//CHECK#2
+var x = 2;
+if (x > 1 !== true) {
+  $ERROR('#2: var x = 2; x > 1 === true');
+}
+
+//CHECK#3
+var y = 1;
+if (2 > y !== true) {
+  $ERROR('#3: var y = 1; 2 > y === true');
+}
+
+//CHECK#4
+var x = 2;
+var y = 1;
+if (x > y !== true) {
+  $ERROR('#4: var x = 2; var y = 1; x > y === true');
+}
+
+//CHECK#5
+var objectx = new Object();
+var objecty = new Object();
+objectx.prop = 2;
+objecty.prop = 1;
+if (objectx.prop > objecty.prop !== true) {
+  $ERROR('#5: var objectx = new Object(); var objecty = new Object(); objectx.prop = 2; objecty.prop = 1; objectx.prop > objecty.prop === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.1_T2.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.1_T2.js
new file mode 100644
index 000000000..c6c0a2c71
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_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 > y uses GetValue
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A2.1_T2.js
+ * @description If GetBase(x) is null, throw ReferenceError
+ */
+
+//CHECK#1
+try {
+  x > 1;
+  $ERROR('#1.1: x > 1 throw ReferenceError. Actual: ' + (x > 1));  
+}
+catch (e) {
+  if ((e instanceof ReferenceError) !== true) {
+    $ERROR('#1.2: x > 1 throw ReferenceError. Actual: ' + (e));  
+  }
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.1_T3.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.1_T3.js
new file mode 100644
index 000000000..bf7dfc5e7
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.1_T3.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 > y uses GetValue
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A2.1_T3.js
+ * @description If GetBase(y) is null, throw ReferenceError
+ */
+
+//CHECK#1
+try {
+  1 > y;
+  $ERROR('#1.1: 1 > y throw ReferenceError. Actual: ' + (1 > y));  
+}
+catch (e) {
+  if ((e instanceof ReferenceError) !== true) {
+    $ERROR('#1.2: 1 > y throw ReferenceError. Actual: ' + (e));  
+  }
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.2_T1.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.2_T1.js
new file mode 100644
index 000000000..e8d7595ba
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.2_T1.js
@@ -0,0 +1,71 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator x > y uses [[Default Value]]
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A2.2_T1.js
+ * @description If Type(value) is Object, evaluate ToPrimitive(value, Number)
+ */
+
+//CHECK#1
+if ({valueOf: function() {return 2}} > 1 !== true) {
+  $ERROR('#1: {valueOf: function() {return 1}} > 1 === true. Actual: ' + ({valueOf: function() {return 1}} > 1));
+}
+
+//CHECK#2
+if ({valueOf: function() {return 2}, toString: function() {return 0}} > 1 !== true) {
+  $ERROR('#2: {valueOf: function() {return 1}, toString: function() {return 2}} > 1 === true. Actual: ' + ({valueOf: function() {return 1}, toString: function() {return 2}} > 1));
+}
+
+//CHECK#3
+if ({valueOf: function() {return 2}, toString: function() {return {}}} > 1 !== true) {
+  $ERROR('#3: {valueOf: function() {return 1}, toString: function() {return {}}} > 1 === true. Actual: ' + ({valueOf: function() {return 1}, toString: function() {return {}}} > 1));
+}
+
+//CHECK#4
+try {
+  if ({valueOf: function() {return 2}, toString: function() {throw "error"}} > 1 !== true) {
+    $ERROR('#4.1: {valueOf: function() {return 1}, toString: function() {throw "error"}} > 1 === true. Actual: ' + ({valueOf: function() {return 1}, toString: function() {throw "error"}} > 1));
+  }
+}
+catch (e) {
+  if (e === "error") {
+    $ERROR('#4.2: {valueOf: function() {return 2}, toString: function() {throw "error"}} > 1 not throw "error"');
+  } else {
+    $ERROR('#4.3: {valueOf: function() {return 2}, toString: function() {throw "error"}} > 1 not throw Error. Actual: ' + (e));
+  }
+}
+
+//CHECK#5
+if (1 > {toString: function() {return 0}} !== true) {
+  $ERROR('#5: 1 > {toString: function() {return 0}} === true. Actual: ' + (1 > {toString: function() {return 0}}));
+}
+
+//CHECK#6
+if (1 > {valueOf: function() {return {}}, toString: function() {return 0}} !== true) {
+  $ERROR('#6: 1 > {valueOf: function() {return {}}, toString: function() {return 0}} === true. Actual: ' + (1 > {valueOf: function() {return {}}, toString: function() {return 0}}));
+}
+
+//CHECK#7
+try {
+  1 > {valueOf: function() {throw "error"}, toString: function() {return 0}};
+  $ERROR('#7.1: 1 > {valueOf: function() {throw "error"}, toString: function() {return 0}} throw "error". Actual: ' + (1 > {valueOf: function() {throw "error"}, toString: function() {return 0}}));
+}  
+catch (e) {
+  if (e !== "error") {
+    $ERROR('#7.2: 1 > {valueOf: function() {throw "error"}, toString: function() {return 0}} throw "error". Actual: ' + (e));
+  } 
+}
+
+//CHECK#8
+try {
+  1 > {valueOf: function() {return {}}, toString: function() {return {}}};
+  $ERROR('#8.1: 1 > {valueOf: function() {return {}}, toString: function() {return {}}} throw TypeError. Actual: ' + (1 > {valueOf: function() {return {}}, toString: function() {return {}}}));
+}  
+catch (e) {
+  if ((e instanceof TypeError) !== true) {
+    $ERROR('#8.2: 1 > {valueOf: function() {return {}}, toString: function() {return {}}} throw TypeError. Actual: ' + (e));
+  } 
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.3_T1.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.3_T1.js
new file mode 100644
index 000000000..ab2e5a0e5
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.3_T1.js
@@ -0,0 +1,26 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * In ES5, First expression should be evaluated first.
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A2.3_T1.js
+ * @description Checking that operands of a "<" evaluate left-to-right
+ */
+
+//CHECK#1
+var x = { valueOf: function () { throw "x"; } };
+var y = { valueOf: function () { throw "y"; } };
+try {
+   x > y;
+   $ERROR('#1.1: Should have thrown');
+} catch (e) {
+   if (e === "y") {
+     $ERROR('#1.2: First expression should be evaluated first');
+   } else {
+     if (e !== "x") {
+       $ERROR('#1.3: Failed with: ' + e);
+     }
+   }
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.4_T1.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.4_T1.js
new file mode 100644
index 000000000..ac5f1b540
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.4_T1.js
@@ -0,0 +1,23 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * First expression is evaluated first, and then second expression
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A2.4_T1.js
+ * @description Checking with "="
+ */
+
+//CHECK#1
+var x = 0; 
+if ((x = 1) > x !== false) {
+  $ERROR('#1: var x = 0; (x = 1) > x === false');
+}
+
+//CHECK#2
+var x = 1; 
+if (x > (x = 0) !== true) {
+  $ERROR('#2: var x = 1; x > (x = 0) === true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.4_T2.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.4_T2.js
new file mode 100644
index 000000000..274f117cb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.4_T2.js
@@ -0,0 +1,26 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * First expression is evaluated first, and then second expression
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A2.4_T2.js
+ * @description Checking with "throw"
+ */
+
+//CHECK#1
+var x = function () { throw "x"; };
+var y = function () { throw "y"; };
+try {
+   x() > y();
+   $ERROR('#1.1: var x = function () { throw "x"; }; var y = function () { throw "y"; }; x() > y() throw "x". Actual: ' + (x() > y()));
+} catch (e) {
+   if (e === "y") {
+     $ERROR('#1.2: First expression is evaluated first, and then second expression');
+   } else {
+     if (e !== "x") {
+       $ERROR('#1.3: var x = function () { throw "x"; }; var y = function () { throw "y"; }; x() > y() throw "x". Actual: ' + (e));
+     }
+   }
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.4_T3.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.4_T3.js
new file mode 100644
index 000000000..d3228fdce
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A2.4_T3.js
@@ -0,0 +1,27 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * First expression is evaluated first, and then second expression
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A2.4_T3.js
+ * @description Checking with undeclarated variables
+ */
+
+//CHECK#1
+try {
+  x > (x = 1);
+  $ERROR('#1.1: x > (x = 1) throw ReferenceError. Actual: ' + (x > (x = 1)));  
+}
+catch (e) {
+  if ((e instanceof ReferenceError) !== true) {
+    $ERROR('#1.2: x > (x = 1) throw ReferenceError. Actual: ' + (e));  
+  }
+}
+
+//CHECK#2
+if ((y = 1) > y !== false) {
+  $ERROR('#2: (y = 1) > y === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T1.1.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T1.1.js
new file mode 100644
index 000000000..4f69c859e
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T1.1.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x > y returns ToNumber(x) > ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A3.1_T1.1.js
+ * @description Type(Primitive(x)) and Type(Primitive(y)) vary between primitive boolean and Boolean object
+ */
+
+//CHECK#1
+if (true > true !== false) {
+  $ERROR('#1: true > true === false');
+}
+
+//CHECK#2
+if (new Boolean(true) > true !== false) {
+  $ERROR('#2: new Boolean(true) > true === false');
+}
+
+//CHECK#3
+if (true > new Boolean(true) !== false) {
+  $ERROR('#3: true > new Boolean(true) === false');
+}
+
+//CHECK#4
+if (new Boolean(true) > new Boolean(true) !== false) {
+  $ERROR('#4: new Boolean(true) > new Boolean(true) === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T1.2.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T1.2.js
new file mode 100644
index 000000000..2a076c6c6
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T1.2.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.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x > y returns ToNumber(x) > ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A3.1_T1.2.js
+ * @description Type(Primitive(x)) and Type(Primitive(y)) vary between primitive number and Number object
+ */
+
+//CHECK#1
+if (1 > 1 !== false) {
+  $ERROR('#1: 1 > 1 === false');
+}
+
+//CHECK#2
+if (new Number(1) > 1 !== false) {
+  $ERROR('#2: new Number(1) > 1 === false');
+}
+
+//CHECK#3
+if (1 > new Number(1) !== false) {
+  $ERROR('#3: 1 > new Number(1) === false');
+}
+
+//CHECK#4
+if (new Number(1) > new Number(1) !== false) {
+  $ERROR('#4: new Number(1) > new Number(1) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T1.3.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T1.3.js
new file mode 100644
index 000000000..597266349
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T1.3.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x > y returns ToNumber(x) > ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A3.1_T1.3.js
+ * @description Type(Primitive(x)) and Type(Primitive(y)) vary between Null and Undefined
+ */
+
+//CHECK#1
+if (null > undefined !== false) {
+  $ERROR('#1: null > undefined === false');
+}
+
+//CHECK#2
+if (undefined > null !== false) {
+  $ERROR('#2: undefined > null === false');
+}
+
+//CHECK#3
+if (undefined > undefined !== false) {
+  $ERROR('#3: undefined > undefined === false');
+}
+
+//CHECK#4
+if (null > null !== false) {
+  $ERROR('#4: null > null === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.1.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.1.js
new file mode 100644
index 000000000..81ba83400
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.1.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.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x > y returns ToNumber(x) > ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A3.1_T2.1.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Number (primitive or object) and Boolean (primitive and object)
+ */
+
+//CHECK#1
+if (true > 1 !== false) {
+  $ERROR('#1: true > 1 === false');
+}
+
+//CHECK#2
+if (1 > true !== false) {
+  $ERROR('#2: 1 > true === false');
+}
+
+//CHECK#3
+if (new Boolean(true) > 1 !== false) {
+  $ERROR('#3: new Boolean(true) > 1 === false');
+}
+
+//CHECK#4
+if (1 > new Boolean(true) !== false) {
+  $ERROR('#4: 1 > new Boolean(true) === false');
+}
+
+//CHECK#5
+if (true > new Number(1) !== false) {
+  $ERROR('#5: true > new Number(1) === false');
+}
+
+//CHECK#6
+if (new Number(1) > true !== false) {
+  $ERROR('#6: new Number(1) > true === false');
+}
+
+//CHECK#7
+if (new Boolean(true) > new Number(1) !== false) {
+  $ERROR('#7: new Boolean(true) > new Number(1) === false');
+}
+
+//CHECK#8
+if (new Number(1) > new Boolean(true) !== false) {
+  $ERROR('#8: new Number(1) > new Boolean(true) === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.2.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.2.js
new file mode 100644
index 000000000..4d6f8fc81
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.2.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.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x > y returns ToNumber(x) > ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A3.1_T2.2.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Number (primitive or object) and String (primitive and object)
+ */
+
+//CHECK#1
+if ("1" > 1 !== false) {
+  $ERROR('#1: "1" > 1 === false');
+}
+
+//CHECK#2
+if (1 > "1" !== false) {
+  $ERROR('#2: 1 > "1" === false');
+}
+
+//CHECK#3
+if (new String("1") > 1 !== false) {
+  $ERROR('#3: new String("1") > 1 === false');
+}
+
+//CHECK#4
+if (1 > new String("1") !== false) {
+  $ERROR('#4: 1 > new String("1") === false');
+}
+
+//CHECK#5
+if ("1" > new Number(1) !== false) {
+  $ERROR('#5: "1" > new Number(1) === false');
+}
+
+//CHECK#6
+if (new Number(1) > "1" !== false) {
+  $ERROR('#6: new Number(1) > "1" === false');
+}
+
+//CHECK#7
+if (new String("1") > new Number(1) !== false) {
+  $ERROR('#7: new String("1") > new Number(1) === false');
+}
+
+//CHECK#8
+if (new Number(1) > new String("1") !== false) {
+  $ERROR('#8: new Number(1) > new String("1") === false');
+}
+
+//CHECK#9
+if ("x" > 1 !== false) {
+  $ERROR('#9: "x" > 1 === false');
+}
+
+//CHECK#10
+if (1 > "x" !== false) {
+  $ERROR('#10: 1 > "x" === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.3.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.3.js
new file mode 100644
index 000000000..63ec06aac
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.3.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x > y returns ToNumber(x) > ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A3.1_T2.3.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Number (primitive or object) and Null
+ */
+
+//CHECK#1
+if (1 > null !== true) {
+  $ERROR('#1: 1 > null === true');
+}
+
+//CHECK#2
+if (null > 1 !== false) {
+  $ERROR('#2: null > 1 === false');
+}
+
+//CHECK#3
+if (new Number(1) > null !== true) {
+  $ERROR('#3: new Number(1) > null === true');
+}
+
+//CHECK#4
+if (null > new Number(1) !== false) {
+  $ERROR('#4: null > new Number(1) === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.4.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.4.js
new file mode 100644
index 000000000..d98572cc5
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.4.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x > y returns ToNumber(x) > ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A3.1_T2.4.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Number (primitive or object) and Undefined
+ */
+
+//CHECK#1
+if (1 > undefined !== false) {
+  $ERROR('#1: 1 > undefined === false');
+}
+
+//CHECK#2
+if (undefined > 1 !== false) {
+  $ERROR('#2: undefined > 1 === false');
+}
+
+//CHECK#3
+if (new Number(1) > undefined !== false) {
+  $ERROR('#3: new Number(1) > undefined === false');
+}
+
+//CHECK#4
+if (undefined > new Number(1) !== false) {
+  $ERROR('#4: undefined > new Number(1) === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.5.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.5.js
new file mode 100644
index 000000000..b739bd4dc
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.5.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.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x > y returns ToNumber(x) > ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A3.1_T2.5.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between String (primitive or object) and Boolean (primitive and object)
+ */
+
+//CHECK#1
+if (true > "1" !== false) {
+  $ERROR('#1: true > "1" === false');
+}
+
+//CHECK#2
+if ("1" > true !== false) {
+  $ERROR('#2: "1" > true === false');
+}
+
+//CHECK#3
+if (new Boolean(true) > "1" !== false) {
+  $ERROR('#3: new Boolean(true) > "1" === false');
+}
+
+//CHECK#4
+if ("1" > new Boolean(true) !== false) {
+  $ERROR('#4: "1" > new Boolean(true) === false');
+}
+
+//CHECK#5
+if (true > new String("1") !== false) {
+  $ERROR('#5: true > new String("1") === false');
+}
+
+//CHECK#6
+if (new String("1") > true !== false) {
+  $ERROR('#6: new String("1") > true === false');
+}
+
+//CHECK#7
+if (new Boolean(true) > new String("1") !== false) {
+  $ERROR('#7: new Boolean(true) > new String("1") === false');
+}
+
+//CHECK#8
+if (new String("1") > new Boolean(true) !== false) {
+  $ERROR('#8: new String("1") > new Boolean(true) === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.6.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.6.js
new file mode 100644
index 000000000..839884f83
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.6.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x > y returns ToNumber(x) > ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A3.1_T2.6.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between String (primitive or object) and Undefined
+ */
+
+//CHECK#1
+if ("1" > undefined !== false) {
+  $ERROR('#1: "1" > undefined === false');
+}
+
+//CHECK#2
+if (undefined > "1" !== false) {
+  $ERROR('#2: undefined > "1" === false');
+}
+
+//CHECK#3
+if (new String("1") > undefined !== false) {
+  $ERROR('#3: new String("1") > undefined === false');
+}
+
+//CHECK#4
+if (undefined > new String("1") !== false) {
+  $ERROR('#4: undefined > new String("1") === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.7.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.7.js
new file mode 100644
index 000000000..5b44d0a70
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.7.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x > y returns ToNumber(x) > ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A3.1_T2.7.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between String (primitive or object) and Null
+ */
+
+//CHECK#1
+if ("1" > null !== true) {
+  $ERROR('#1: "1" > null === true');
+}
+
+//CHECK#2
+if (null > "1" !== false) {
+  $ERROR('#2: null > "1" === false');
+}
+
+//CHECK#3
+if (new String("1") > null !== true) {
+  $ERROR('#3: new String("1") > null === true');
+}
+
+//CHECK#4
+if (null > new String("1") !== false) {
+  $ERROR('#4: null > new String("1") === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.8.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.8.js
new file mode 100644
index 000000000..3a3c48e7a
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.8.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x > y returns ToNumber(x) > ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A3.1_T2.8.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Boolean (primitive or object) and Undefined
+ */
+
+//CHECK#1
+if (true > undefined !== false) {
+  $ERROR('#1: true > undefined === false');
+}
+
+//CHECK#2
+if (undefined > true !== false) {
+  $ERROR('#2: undefined > true === false');
+}
+
+//CHECK#3
+if (new Boolean(true) > undefined !== false) {
+  $ERROR('#3: new Boolean(true) > undefined === false');
+}
+
+//CHECK#4
+if (undefined > new Boolean(true) !== false) {
+  $ERROR('#4: undefined > new Boolean(true) === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.9.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.9.js
new file mode 100644
index 000000000..32c04b23a
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.1_T2.9.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x > y returns ToNumber(x) > ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A3.1_T2.9.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Boolean (primitive or object) and Null
+ */
+
+//CHECK#1
+if (true > null !== true) {
+  $ERROR('#1: true > null === true');
+}
+
+//CHECK#2
+if (null > true !== false) {
+  $ERROR('#2: null > true === false');
+}
+
+//CHECK#3
+if (new Boolean(true) > null !== true) {
+  $ERROR('#3: new Boolean(true) > null === true');
+}
+
+//CHECK#4
+if (null > new Boolean(true) !== false) {
+  $ERROR('#4: null > new Boolean(true) === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.2_T1.1.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.2_T1.1.js
new file mode 100644
index 000000000..fb0bcb016
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.2_T1.1.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.
+
+/**
+ * If Type(Primitive(x)) is String and Type(Primitive(y)) is String, then operator x > y returns ToString(x) > ToString(y)
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A3.2_T1.1.js
+ * @description Type(Primitive(x)) and Type(Primitive(y)) vary between primitive string and String object
+ */
+
+//CHECK#1
+if ("1" > "1" !== false) {
+  $ERROR('#1: "1" > "1" === false');
+}
+
+//CHECK#2
+if (new String("1") > "1" !== false) {
+  $ERROR('#2: new String("1") > "1" === false');
+}
+
+//CHECK#3
+if ("1" > new String("1") !== false) {
+  $ERROR('#3: "1" > new String("1") === false');
+}
+
+//CHECK#4
+if (new String("1") > new String("1") !== false) {
+  $ERROR('#4: new String("1") > new String("1") === false');
+}
+
+//CHECK#5
+if ("x" > "1" !== true) {
+  $ERROR('#5: "x" > "1" === true');
+}
+
+//CHECK#6
+if ("1" > "x" !== false) {
+  $ERROR('#6: "1" > "x" === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.2_T1.2.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.2_T1.2.js
new file mode 100644
index 000000000..cf6e2889b
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A3.2_T1.2.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is String and Type(Primitive(y)) is String, then operator x > y returns ToString(x) > ToString(y)
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A3.2_T1.2.js
+ * @description Type(Primitive(x)) and Type(Primitive(y)) vary between Object object and Function object
+ */
+
+//CHECK#1
+if (({} > function(){return 1}) !== ({}.toString() > function(){return 1}.toString())) {
+  $ERROR('#1: ({} > function(){return 1}) === ({}.toString() > function(){return 1}.toString())');
+}
+
+//CHECK#2
+if ((function(){return 1} > {}) !== (function(){return 1}.toString() > {}.toString())) {
+  $ERROR('#2: (function(){return 1} > {}) === (function(){return 1}.toString() > {}.toString())');
+}
+
+//CHECK#3
+if ((function(){return 1} > function(){return 1}) !== (function(){return 1}.toString() > function(){return 1}.toString())) {
+  $ERROR('#3: (function(){return 1} > function(){return 1}) === (function(){return 1}.toString() > function(){return 1}.toString())');
+}
+
+//CHECK#4
+if (({} > {}) !== ({}.toString() > {}.toString())) {
+  $ERROR('#4: ({} > {}) === ({}.toString() > {}.toString())');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.1.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.1.js
new file mode 100644
index 000000000..a36cb0b92
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.1.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.
+
+/**
+ * If x is NaN, return false (if result in 11.8.5 is undefined, return false)
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A4.1.js
+ * @description y is number primitive
+ */
+
+//CHECK#1
+if ((Number.NaN > 0) !== false) {
+  $ERROR('#1: (NaN > 0) === false');
+}
+
+//CHECK#2
+if ((Number.NaN > 1.1) !== false) {
+  $ERROR('#2: (NaN > 1.1) === false');
+}
+
+//CHECK#3
+if ((Number.NaN > -1.1) !== false) {
+  $ERROR('#3: (NaN > -1.1) === false');
+}
+
+//CHECK#4
+if ((Number.NaN > Number.NaN) !== false) {
+  $ERROR('#4: (NaN > NaN) === false');
+}
+
+//CHECK#5
+if ((Number.NaN > Number.POSITIVE_INFINITY) !== false) {
+  $ERROR('#5: (NaN > +Infinity) === false');
+}
+
+//CHECK#6
+if ((Number.NaN > Number.NEGATIVE_INFINITY) !== false) {
+  $ERROR('#6: (NaN > -Infinity) === false');
+}
+
+//CHECK#7
+if ((Number.NaN > Number.MAX_VALUE) !== false) {
+  $ERROR('#7: (NaN > Number.MAX_VALUE) === false');
+}
+
+//CHECK#8
+if ((Number.NaN > Number.MIN_VALUE) !== false) {
+  $ERROR('#8: (NaN > Number.MIN_VALUE) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.10.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.10.js
new file mode 100644
index 000000000..eef094d97
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.10.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.
+
+/**
+ * If x is a prefix of y, return false
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A4.10.js
+ * @description x and y are string primitives
+ */
+
+//CHECK#1
+if (("x" > "x") !== false) {
+  $ERROR('#1: ("x" > "x") === false');
+}
+
+//CHECK#2
+if (("" > "x") !== false) {
+  $ERROR('#2: ("" > "x") === false');
+}
+
+//CHECK#3
+if (("ab" > "abcd") !== false) {
+  $ERROR('#3: ("ab" > abcd") === false');
+}
+
+//CHECK#4
+if (("abcd" > "abc\u0064") !== false) {
+  $ERROR('#4: ("abcd" > abc\\u0064") === false');
+}
+
+//CHECK#5
+if (("x" > "x" + "y") !== false) {
+  $ERROR('#5: ("x" > "x" + "y") === false');
+}
+
+//CHECK#6
+var x = "x";
+if ((x > x + "y") !== false) {
+  $ERROR('#6: var x = "x"; (x > x + "y") === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.11.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.11.js
new file mode 100644
index 000000000..76da4cc14
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.11.js
@@ -0,0 +1,52 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If y is a prefix of x and x !== y, return true
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A4.11.js
+ * @description x and y are string primitives
+ */
+
+//CHECK#1
+if (("x " > "x") !== true) {
+  $ERROR('#1: ("x " > "x") === true');
+}
+
+//CHECK#2
+if (("x" > "") !== true) {
+  $ERROR('#2: ("x" > "") === true');
+}
+
+//CHECK#3
+if (("abcd" > "ab") !== true) {
+  $ERROR('#3: ("abcd" > ab") === true');
+}
+
+//CHECK#4
+if (("abc\u0064" > "abcd") !== false) {
+  $ERROR('#4: ("abc\\u0064" > abc") === false');
+}
+
+//CHECK#5
+if (("x" + "y" > "x") !== true) {
+  $ERROR('#5: ("x" + "y" > "x") === true');
+}
+
+//CHECK#6
+var x = "x";
+if ((x + 'y' > x) !== true) {
+  $ERROR('#6: var x = "x"; (x + "y" > x) === true');
+}
+
+//CHECK#7
+if (("a\u0000a" > "a\u0000") !== true) {
+  $ERROR('#7: ("a\\u0000a" > "a\\u0000") === true');
+}
+
+//CHECK#8
+if ((" x" > "x") !== false) {
+  $ERROR('#8: (" x" > "x") === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.12_T1.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.12_T1.js
new file mode 100644
index 000000000..4bd4fb2ab
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.12_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.
+
+/**
+ * If neither x, nor y is a prefix of each other, returned result of strings comparison applies a simple lexicographic ordering to the sequences of code point value values
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A4.12_T1.js
+ * @description x and y are string primitives
+ */
+
+//CHECK#1
+if (("xy" > "xx") !== true) {
+  $ERROR('#1: ("xy" > "xx") === true');
+}
+
+//CHECK#2
+if (("xx" > "xy") !== false) {
+  $ERROR('#2: ("xx" > "xy") === false');
+}
+
+//CHECK#3
+if (("y" > "x") !== true) {
+  $ERROR('#3: ("y" > "x") === true');
+}
+
+//CHECK#4
+if (("aba" > "aab") !== true) {
+  $ERROR('#4: ("aba" > aab") === true');
+}
+
+//CHECK#5
+if (("\u0061\u0061\u0061\u0061" > "\u0061\u0061\u0061\u0062") !== false) {
+  $ERROR('#5: ("\\u0061\\u0061\\u0061\\u0061" > \\u0061\\u0061\\u0061\\u0062") === false');
+}
+
+//CHECK#6
+if (("a\u0000b" > "a\u0000a") !== true) {
+  $ERROR('#6: ("a\\u0000b" > "a\\u0000a") === true');
+}
+
+//CHECK#7
+if (("aa" > "aB") !== true) {
+  $ERROR('#7: ("aa" > aB") === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.12_T2.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.12_T2.js
new file mode 100644
index 000000000..ab16d98cb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.12_T2.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.
+
+/**
+ * If neither x, nor y is a prefix of each other, returned result of strings comparison applies a simple lexicographic ordering to the sequences of code point value values
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A4.12_T2.js
+ * @description x and y are string primitives
+ */
+
+//CHECK#1
+if (("x" > "0") !== true) {
+  $ERROR('#1: ("x" > "0") !== true');
+}
+
+//CHECK#2
+if (("0" > "-") !== true) {
+  $ERROR('#2: ("0" > "-") !== true');
+}
+
+//CHECK#3
+if (("0" > ".") !== true) {
+  $ERROR('#3: ("0" > ".") !== true');
+}
+
+//CHECK#4
+if (("-" > "+") !== true) {
+  $ERROR('#4: ("-" > "+") !== true');
+}
+
+//CHECK#5
+if (("-1" > "-0") !== true) {
+  $ERROR('#5: ("-1" > "-0") !== true');
+}
+
+//CHECK#6
+if (("-1" > "+1") !== true) {
+  $ERROR('#6: ("-1" > "+1") !== true');
+}
+
+//CHECK#7
+if (("1e-10" > "1") !== true) {
+$ERROR('#7: ("1e-10" > "1") !== true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.2.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.2.js
new file mode 100644
index 000000000..1e81c52fe
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.2.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.
+
+/**
+ * If y is NaN, return false (if result in 11.8.5 is undefined, return false)
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A4.2.js
+ * @description x is number primitive
+ */
+
+//CHECK#1
+if ((0 > Number.NaN) !== false) {
+  $ERROR('#1: (0 > NaN) === false');
+}
+
+//CHECK#2
+if ((1.1 > Number.NaN) !== false) {
+  $ERROR('#2: (1.1 > NaN) === false');
+}
+
+//CHECK#3
+if ((-1.1 > Number.NaN) !== false) {
+  $ERROR('#3: (-1.1 > NaN) === false');
+}
+
+//CHECK#4
+if ((Number.NaN > Number.NaN) !== false) {
+  $ERROR('#4: (NaN > NaN) === false');
+}
+
+//CHECK#5
+if ((Number.POSITIVE_INFINITY > Number.NaN) !== false) {
+  $ERROR('#5: (+Infinity > NaN) === false');
+}
+
+//CHECK#6
+if ((Number.NEGATIVE_INFINITY > Number.NaN) !== false) {
+  $ERROR('#6: (-Infinity > NaN) === false');
+}
+
+//CHECK#7
+if ((Number.MAX_VALUE > Number.NaN) !== false) {
+  $ERROR('#7: (Number.MAX_VALUE > NaN) === false');
+}
+
+//CHECK#8
+if ((Number.MIN_VALUE > Number.NaN) !== false) {
+  $ERROR('#8: (Number.MIN_VALUE > NaN) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.3.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.3.js
new file mode 100644
index 000000000..8890a00e1
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.3.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.
+
+/**
+ * If x and y are the same number value, return false
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A4.3.js
+ * @description x and y are number primitives
+ */
+
+//CHECK#1
+if ((1 > 1) !== false) {
+  $ERROR('#1: (1 > 1) === false');
+}
+
+//CHECK#2
+if ((1.1 > 1.1) !== false) {
+  $ERROR('#2: (1.1 > 1.1) === false');
+}
+
+//CHECK#3
+if ((-1.1 > -1.1) !== false) {
+  $ERROR('#3: (-1.1 > -1.1) === false');
+}
+
+//CHECK#4
+if ((Number.NEGATIVE_INFINITY > Number.NEGATIVE_INFINITY) !== false) {
+  $ERROR('#4: (-Infinity > -Infinity) === false');
+}
+
+//CHECK#5
+if ((Number.POSITIVE_INFINITY > Number.POSITIVE_INFINITY) !== false) {
+  $ERROR('#5: (+Infinity > +Infinity) === false');
+}
+
+//CHECK#6
+if ((Number.MAX_VALUE > Number.MAX_VALUE) !== false) {
+  $ERROR('#6: (Number.MAX_VALUE > Number.MAX_VALUE) === false');
+}
+
+//CHECK#7
+if ((Number.MIN_VALUE > Number.MIN_VALUE) !== false) {
+  $ERROR('#7: (Number.MIN_VALUE > Number.MIN_VALUE) === false');
+}
+
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.4.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.4.js
new file mode 100644
index 000000000..70a5440ca
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.4.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.
+
+/**
+ * If either variable x or y is +0 and the other is -0, return false
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A4.4.js
+ * @description Checking all combinations
+ */
+
+//CHECK#1
+if ((0 > 0) !== false) {
+  $ERROR('#1: (0 > 0) === false');
+}
+
+//CHECK#2
+if ((-0 > -0) !== false) {
+  $ERROR('#2: (-0 > -0) === false');
+}
+
+//CHECK#3
+if ((+0 > -0) !== false) {
+  $ERROR('#3: (+0 > -0) === false');
+}
+
+//CHECK#4
+if ((-0 > +0) !== false) {
+  $ERROR('#4: (-0 > +0) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.5.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.5.js
new file mode 100644
index 000000000..79d3bde31
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.5.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.
+
+/**
+ * If x is +Infinity and x !== y, return true
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A4.5.js
+ * @description y is number primitive
+ */
+
+//CHECK#1
+if ((Number.POSITIVE_INFINITY > 0) !== true) {
+  $ERROR('#1: (+Infinity > 0) === true');
+}
+
+//CHECK#2
+if ((Number.POSITIVE_INFINITY > 1.1) !== true) {
+  $ERROR('#2: (+Infinity > 1.1) === true');
+}
+
+//CHECK#3
+if ((Number.POSITIVE_INFINITY > -1.1) !== true) {
+  $ERROR('#3: (+Infinity > -1.1) === true');
+}
+
+//CHECK#4
+if ((Number.POSITIVE_INFINITY > Number.NEGATIVE_INFINITY) !== true) {
+  $ERROR('#4: (+Infinity > -Infinity) === true');
+}
+
+//CHECK#5
+if ((Number.POSITIVE_INFINITY > Number.MAX_VALUE) !== true) {
+  $ERROR('#5: (+Infinity > Number.MAX_VALUE) === true');
+}
+
+//CHECK#6
+if ((Number.POSITIVE_INFINITY > Number.MIN_VALUE) !== true) {
+  $ERROR('#6: (+Infinity > Number.MIN_VALUE) === true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.6.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.6.js
new file mode 100644
index 000000000..aa96e699d
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.6.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.
+
+/**
+ * If y is +Infinity, return false
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A4.6.js
+ * @description x is number primitive
+ */
+
+//CHECK#1
+if ((0 > Number.POSITIVE_INFINITY) !== false) {
+  $ERROR('#1: (0 > +Infinity) === false');
+}
+
+//CHECK#2
+if ((1.1 > Number.POSITIVE_INFINITY) !== false) {
+  $ERROR('#2: (1.1 > +Infinity) === false');
+}
+
+//CHECK#3
+if ((-1.1 > Number.POSITIVE_INFINITY) !== false) {
+  $ERROR('#3: (-1.1 > +Infinity) === false');
+}
+
+//CHECK#4
+if ((Number.NEGATIVE_INFINITY > Number.POSITIVE_INFINITY) !== false) {
+  $ERROR('#4: (-Infinity > +Infinity) === false');
+}
+
+//CHECK#5
+if ((Number.MAX_VALUE > Number.POSITIVE_INFINITY) !== false) {
+  $ERROR('#5: (Number.MAX_VALUE > +Infinity) === false');
+}
+
+//CHECK#6
+if ((Number.MIN_VALUE > Number.POSITIVE_INFINITY) !== false) {
+  $ERROR('#6: (Number.MIN_VALUE > +Infinity) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.7.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.7.js
new file mode 100644
index 000000000..bc06818cc
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.7.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.
+
+/**
+ * If x is -Infinity, return false
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A4.7.js
+ * @description y is number primitive
+ */
+
+//CHECK#1
+if ((Number.NEGATIVE_INFINITY > 0) !== false) {
+  $ERROR('#1: (-Infinity > 0) === false');
+}
+
+//CHECK#2
+if ((Number.NEGATIVE_INFINITY > 1.1) !== false) {
+  $ERROR('#2: (-Infinity > 1.1) === false');
+}
+
+//CHECK#3
+if ((Number.NEGATIVE_INFINITY > -1.1) !== false) {
+  $ERROR('#3: (-Infinity > -1.1) === false');
+}
+
+//CHECK#4
+if ((Number.NEGATIVE_INFINITY > Number.POSITIVE_INFINITY) !== false) {
+  $ERROR('#4: (-Infinity > +Infinity) === false');
+}
+
+//CHECK#5
+if ((Number.NEGATIVE_INFINITY > Number.MAX_VALUE) !== false) {
+  $ERROR('#5: (-Infinity > Number.MAX_VALUE) === false');
+}
+
+//CHECK#6
+if ((Number.NEGATIVE_INFINITY > Number.MIN_VALUE) !== false) {
+  $ERROR('#6: (-Infinity > Number.MIN_VALUE) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.8.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.8.js
new file mode 100644
index 000000000..3a3156114
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.8.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.
+
+/**
+ * If y is -Infinity and x !== y, return true
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A4.8.js
+ * @description x is number primitive
+ */
+
+//CHECK#1
+if ((0 > Number.NEGATIVE_INFINITY) !== true) {
+  $ERROR('#1: (0 > -Infinity) === true');
+}
+
+//CHECK#2
+if ((1.1 > Number.NEGATIVE_INFINITY) !== true) {
+  $ERROR('#2: (1.1 > -Infinity) === true');
+}
+
+//CHECK#3
+if ((-1.1 > Number.NEGATIVE_INFINITY) !== true) {
+  $ERROR('#3: (-1.1 > -Infinity) === true');
+}
+
+//CHECK#4
+if ((Number.POSITIVE_INFINITY > Number.NEGATIVE_INFINITY) !== true) {
+  $ERROR('#4: (+Infinity > -Infinity) === true');
+}
+
+//CHECK#5
+if ((Number.MAX_VALUE > Number.NEGATIVE_INFINITY) !== true) {
+  $ERROR('#5: (Number.MAX_VALUE > -Infinity) === true');
+}
+
+//CHECK#6
+if ((Number.MIN_VALUE > Number.NEGATIVE_INFINITY) !== true) {
+  $ERROR('#6: (Number.MIN_VALUE > -Infinity) === true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.9.js b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.9.js
new file mode 100644
index 000000000..a31255368
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/S11.8.2_A4.9.js
@@ -0,0 +1,52 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If is x greater than y and these values are both finite non-zero, return true; otherwise, return false
+ *
+ * @path ch11/11.8/11.8.2/S11.8.2_A4.9.js
+ * @description x and y are number primitives
+ */
+
+//CHECK#1
+if ((1 > 1.1) !== false) {
+  $ERROR('#1: (1 > 1.1) === false');
+}
+
+//CHECK#2
+if ((1.1 > 1) !== true) {
+  $ERROR('#2: (1.1 > 1) === true');
+}
+
+//CHECK#3
+if ((-1 > -1.1) !== true) {
+  $ERROR('#3: (-1 > -1.1) === true');
+}
+
+//CHECK#4
+if ((-1.1 > -1) !== false) {
+  $ERROR('#4: (-1.1 > -1) === false');
+}
+
+//CHECK#5
+if ((0.1 > 0) !== true) {
+  $ERROR('#5: (0.1 > 0) === true');
+}
+
+//CHECK#6
+if ((0 > -0.1) !== true) {
+  $ERROR('#6: (0 > -0.1) === true');
+}
+
+//CHECK#7
+if ((Number.MAX_VALUE > Number.MAX_VALUE/2) !== true) {
+  $ERROR('#7: (Number.MAX_VALUE > Number.MAX_VALUE/2) === true');
+}
+
+//CHECK#8
+if ((Number.MIN_VALUE*2 > Number.MIN_VALUE) !== true) {
+  $ERROR('#8: (Number.MIN_VALUE*2 > Number.MIN_VALUE) === true');
+}
+
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/browser.js b/js/src/tests/test262/ch11/11.8/11.8.2/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/browser.js
diff --git a/js/src/tests/test262/ch11/11.8/11.8.2/shell.js b/js/src/tests/test262/ch11/11.8/11.8.2/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.2/shell.js
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/11.8.3-1.js b/js/src/tests/test262/ch11/11.8/11.8.3/11.8.3-1.js
new file mode 100644
index 000000000..4dc765ee2
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/11.8.3-1.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 ch11/11.8/11.8.3/11.8.3-1.js
+ * @description 11.8.3 Less-than-or-equal Operator - Partial left to right order enforced when using Less-than-or-equal operator: valueOf <= valueOf
+ */
+
+
+function testcase() {
+        var accessed = false;
+        var obj1 = {
+            valueOf: function () {
+                accessed = true;
+                return 3;
+            }
+        };
+        var obj2 = {
+            valueOf: function () {
+                if (accessed === true) {
+                    return 4;
+                } else {
+                    return 2;
+                }
+            }
+        };
+        return (obj1 <= obj2);
+    }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/11.8.3-2.js b/js/src/tests/test262/ch11/11.8/11.8.3/11.8.3-2.js
new file mode 100644
index 000000000..0ff108b51
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/11.8.3-2.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 ch11/11.8/11.8.3/11.8.3-2.js
+ * @description 11.8.3 Less-than-or-equal Operator - Partial left to right order enforced when using Less-than-or-equal operator: valueOf <= toString
+ */
+
+
+function testcase() {
+        var accessed = false;
+        var obj1 = {
+            valueOf: function () {
+                accessed = true;
+                return 3;
+            }
+        };
+        var obj2 = {
+            toString: function () {
+                if (accessed === true) {
+                    return 4;
+                } else {
+                    return 2;
+                }
+            }
+        };
+        return (obj1 <= obj2);
+    }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/11.8.3-3.js b/js/src/tests/test262/ch11/11.8/11.8.3/11.8.3-3.js
new file mode 100644
index 000000000..2f5deae83
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/11.8.3-3.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 ch11/11.8/11.8.3/11.8.3-3.js
+ * @description 11.8.3 Less-than-or-equal Operator - Partial left to right order enforced when using Less-than-or-equal operator: toString <= valueOf
+ */
+
+
+function testcase() {
+        var accessed = false;
+        var obj1 = {
+            toString: function () {
+                accessed = true;
+                return 3;
+            }
+        };
+        var obj2 = {
+            valueOf: function () {
+                if (accessed === true) {
+                    return 4;
+                } else {
+                    return 2;
+                }
+            }
+        };
+        return (obj1 <= obj2);
+    }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/11.8.3-4.js b/js/src/tests/test262/ch11/11.8/11.8.3/11.8.3-4.js
new file mode 100644
index 000000000..9105f9e6f
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/11.8.3-4.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 ch11/11.8/11.8.3/11.8.3-4.js
+ * @description 11.8.3 Less-than-or-equal Operator - Partial left to right order enforced when using Less-than-or-equal operator: toString <= toString
+ */
+
+
+function testcase() {
+        var accessed = false;
+        var obj1 = {
+            toString: function () {
+                accessed = true;
+                return 3;
+            }
+        };
+        var obj2 = {
+            toString: function () {
+                if (accessed === true) {
+                    return 4;
+                } else {
+                    return 2;
+                }
+            }
+        };
+        return (obj1 <= obj2);
+    }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/11.8.3-5.js b/js/src/tests/test262/ch11/11.8/11.8.3/11.8.3-5.js
new file mode 100644
index 000000000..9356ff34e
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/11.8.3-5.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 ch11/11.8/11.8.3/11.8.3-5.js
+ * @description 11.8.3 Less-than-or-equal Operator - Partial left to right order enforced when using Less-than-or-equal operator: valueOf <= valueOf
+ */
+
+
+function testcase() {
+        var accessed = false;
+        var obj1 = {
+            valueOf: function () {
+                accessed = true;
+                return 3;
+            }
+        };
+        var obj2 = {
+            valueOf: function () {
+                if (accessed === true) {
+                    return 3;
+                } else {
+                    return 2;
+                }
+            }
+        };
+        return (obj1 <= obj2);
+    }
+runTestCase(testcase);
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A1.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A1.js
new file mode 100644
index 000000000..905571139
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_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 RelationalExpression and "<=" or between "<=" and ShiftExpression are allowed
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A1.js
+ * @description Checking by using eval
+ */
+
+//CHECK#1
+if (eval("1\u0009<=\u00091") !== true) {
+  $ERROR('#1: (1\\u0009<=\\u00091) === true');
+}
+
+//CHECK#2
+if (eval("1\u000B<=\u000B1") !== true) {
+  $ERROR('#2: (1\\u000B<=\\u000B1) === true');  
+}
+
+//CHECK#3
+if (eval("1\u000C<=\u000C1") !== true) {
+  $ERROR('#3: (1\\u000C<=\\u000C1) === true');
+}
+
+//CHECK#4
+if (eval("1\u0020<=\u00201") !== true) {
+  $ERROR('#4: (1\\u0020<=\\u00201) === true');
+}
+
+//CHECK#5
+if (eval("1\u00A0<=\u00A01") !== true) {
+  $ERROR('#5: (1\\u00A0<=\\u00A01) === true');
+}
+
+//CHECK#6
+if (eval("1\u000A<=\u000A1") !== true) {
+  $ERROR('#6: (1\\u000A<=\\u000A1) === true');  
+}
+
+//CHECK#7
+if (eval("1\u000D<=\u000D1") !== true) {
+  $ERROR('#7: (1\\u000D<=\\u000D1) === true');
+}
+
+//CHECK#8
+if (eval("1\u2028<=\u20281") !== true) {
+  $ERROR('#8: (1\\u2028<=\\u20281) === true');
+}
+
+//CHECK#9
+if (eval("1\u2029<=\u20291") !== true) {
+  $ERROR('#9: (1\\u2029<=\\u20291) === true');
+}
+
+//CHECK#10
+if (eval("1\u0009\u000B\u000C\u0020\u00A0\u000A\u000D\u2028\u2029>\u0009\u000B\u000C\u0020\u00A0\u000A\u000D\u2028\u20290") !== true) {
+  $ERROR('#10: (1\\u0009\\u000B\\u000C\\u0020\\u00A0\\u000A\\u000D\\u2028\\u2029>\\u0009\\u000B\\u000C\\u0020\\u00A0\\u000A\\u000D\\u2028\\u20290) === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.1_T1.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.1_T1.js
new file mode 100644
index 000000000..ddf5cde6d
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.1_T1.js
@@ -0,0 +1,43 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator x <= y uses GetValue
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A2.1_T1.js
+ * @description Either Type is not Reference or GetBase is not null
+ */
+
+//CHECK#1
+if (1 <= 1 !== true) {
+  $ERROR('#1: 1 <= 1 === true');
+}
+
+//CHECK#2
+var x = 1;
+if (x <= 1 !== true) {
+  $ERROR('#2: var x = 1; x <= 1 === true');
+}
+
+//CHECK#3
+var y = 1;
+if (1 <= y !== true) {
+  $ERROR('#3: var y = 1; 1 <= y === true');
+}
+
+//CHECK#4
+var x = 1;
+var y = 1;
+if (x <= y !== true) {
+  $ERROR('#4: var x = 1; var y = 1; x <= y === true');
+}
+
+//CHECK#5
+var objectx = new Object();
+var objecty = new Object();
+objectx.prop = 1;
+objecty.prop = 1;
+if (objectx.prop <= objecty.prop !== true) {
+  $ERROR('#5: var objectx = new Object(); var objecty = new Object(); objectx.prop = 1; objecty.prop = 1; objectx.prop <= objecty.prop === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.1_T2.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.1_T2.js
new file mode 100644
index 000000000..b767e2d95
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_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 <= y uses GetValue
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A2.1_T2.js
+ * @description If GetBase(x) is null, throw ReferenceError
+ */
+
+//CHECK#1
+try {
+  x <= 1;
+  $ERROR('#1.1: x <= 1 throw ReferenceError. Actual: ' + (x <= 1));  
+}
+catch (e) {
+  if ((e instanceof ReferenceError) !== true) {
+    $ERROR('#1.2: x <= 1 throw ReferenceError. Actual: ' + (e));  
+  }
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.1_T3.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.1_T3.js
new file mode 100644
index 000000000..d2a4df17b
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.1_T3.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 <= y uses GetValue
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A2.1_T3.js
+ * @description If GetBase(y) is null, throw ReferenceError
+ */
+
+//CHECK#1
+try {
+  1 <= y;
+  $ERROR('#1.1: 1 <= y throw ReferenceError. Actual: ' + (1 <= y));  
+}
+catch (e) {
+  if ((e instanceof ReferenceError) !== true) {
+    $ERROR('#1.2: 1 <= y throw ReferenceError. Actual: ' + (e));  
+  }
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.2_T1.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.2_T1.js
new file mode 100644
index 000000000..fbc706a2f
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.2_T1.js
@@ -0,0 +1,71 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator x <= y uses [[Default Value]]
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A2.2_T1.js
+ * @description If Type(value) is Object, evaluate ToPrimitive(value, Number)
+ */
+
+//CHECK#1
+if ({valueOf: function() {return 0}} <= 1 !== true) {
+  $ERROR('#1: {valueOf: function() {return 1}} <= 1 === true. Actual: ' + ({valueOf: function() {return 1}} <= 1));
+}
+
+//CHECK#2
+if ({valueOf: function() {return 0}, toString: function() {return 2}} <= 1 !== true) {
+  $ERROR('#2: {valueOf: function() {return 1}, toString: function() {return 0}} <= 1 === true. Actual: ' + ({valueOf: function() {return 1}, toString: function() {return 0}} <= 1));
+}
+
+//CHECK#3
+if ({valueOf: function() {return 0}, toString: function() {return {}}} <= 1 !== true) {
+  $ERROR('#3: {valueOf: function() {return 1}, toString: function() {return {}}} <= 1 === true. Actual: ' + ({valueOf: function() {return 1}, toString: function() {return {}}} <= 1));
+}
+
+//CHECK#4
+try {
+  if ({valueOf: function() {return 0}, toString: function() {throw "error"}} <= 1 !== true) {
+    $ERROR('#4.1: {valueOf: function() {return 1}, toString: function() {throw "error"}} <= 1 === true. Actual: ' + ({valueOf: function() {return 1}, toString: function() {throw "error"}} <= 1));
+  }
+}
+catch (e) {
+  if (e === "error") {
+    $ERROR('#4.2: {valueOf: function() {return 0}, toString: function() {throw "error"}} <= 1 not throw "error"');
+  } else {
+    $ERROR('#4.3: {valueOf: function() {return 0}, toString: function() {throw "error"}} <= 1 not throw Error. Actual: ' + (e));
+  }
+}
+
+//CHECK#5
+if (1 <= {toString: function() {return 2}} !== true) {
+  $ERROR('#5: 1 <= {toString: function() {return 2}} === true. Actual: ' + (1 <= {toString: function() {return 2}}));
+}
+
+//CHECK#6
+if (1 <= {valueOf: function() {return {}}, toString: function() {return 2}} !== true) {
+  $ERROR('#6: 1 <= {valueOf: function() {return {}}, toString: function() {return 2}} === true. Actual: ' + (1 <= {valueOf: function() {return {}}, toString: function() {return 2}}));
+}
+
+//CHECK#7
+try {
+  1 <= {valueOf: function() {throw "error"}, toString: function() {return 2}};
+  $ERROR('#7.1: 1 <= {valueOf: function() {throw "error"}, toString: function() {return 2}} throw "error". Actual: ' + (1 <= {valueOf: function() {throw "error"}, toString: function() {return 2}}));
+}  
+catch (e) {
+  if (e !== "error") {
+    $ERROR('#7.2: 1 <= {valueOf: function() {throw "error"}, toString: function() {return 2}} throw "error". Actual: ' + (e));
+  } 
+}
+
+//CHECK#8
+try {
+  1 <= {valueOf: function() {return {}}, toString: function() {return {}}};
+  $ERROR('#8.1: 1 <= {valueOf: function() {return {}}, toString: function() {return {}}} throw TypeError. Actual: ' + (1 <= {valueOf: function() {return {}}, toString: function() {return {}}}));
+}  
+catch (e) {
+  if ((e instanceof TypeError) !== true) {
+    $ERROR('#8.2: 1 <= {valueOf: function() {return {}}, toString: function() {return {}}} throw TypeError. Actual: ' + (e));
+  } 
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.3_T1.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.3_T1.js
new file mode 100644
index 000000000..14ea37cc6
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.3_T1.js
@@ -0,0 +1,26 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * In ES5, First expression should be evaluated first.
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A2.3_T1.js
+ * @description Checking that operands of a "<=" evaluate left-to-right
+ */
+
+//CHECK#1
+var x = { valueOf: function () { throw "x"; } };
+var y = { valueOf: function () { throw "y"; } };
+try {
+   x <= y;
+   $ERROR('#1.1: Should have thrown');
+} catch (e) {
+   if (e === "y") {
+     $ERROR('#1.2: First expression should be evaluated first');
+   } else {
+     if (e !== "x") {
+       $ERROR('#1.3: Failed with: ' + e);
+     }
+   }
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.4_T1.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.4_T1.js
new file mode 100644
index 000000000..81e29c531
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.4_T1.js
@@ -0,0 +1,23 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * First expression is evaluated first, and then second expression
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A2.4_T1.js
+ * @description Checking with "="
+ */
+
+//CHECK#1
+var x = 0; 
+if ((x = 1) <= x !== true) {
+  $ERROR('#1: var x = 0; (x = 1) <= x === true');
+}
+
+//CHECK#2
+var x = 1; 
+if (x <= (x = 0) !== false) {
+  $ERROR('#2: var x = 1; x <= (x = 0) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.4_T2.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.4_T2.js
new file mode 100644
index 000000000..2cbb846ff
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.4_T2.js
@@ -0,0 +1,26 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * First expression is evaluated first, and then second expression
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A2.4_T2.js
+ * @description Checking with "throw"
+ */
+
+//CHECK#1
+var x = function () { throw "x"; };
+var y = function () { throw "y"; };
+try {
+   x() <= y();
+   $ERROR('#1.1: var x = function () { throw "x"; }; var y = function () { throw "y"; }; x() <= y() throw "x". Actual: ' + (x() <= y()));
+} catch (e) {
+   if (e === "y") {
+     $ERROR('#1.2: First expression is evaluated first, and then second expression');
+   } else {
+     if (e !== "x") {
+       $ERROR('#1.3: var x = function () { throw "x"; }; var y = function () { throw "y"; }; x() <= y() throw "x". Actual: ' + (e));
+     }
+   }
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.4_T3.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.4_T3.js
new file mode 100644
index 000000000..e53f08142
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A2.4_T3.js
@@ -0,0 +1,27 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * First expression is evaluated first, and then second expression
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A2.4_T3.js
+ * @description Checking with undeclarated variables
+ */
+
+//CHECK#1
+try {
+  x <= (x = 1);
+  $ERROR('#1.1: x <= (x = 1) throw ReferenceError. Actual: ' + (x <= (x = 1)));  
+}
+catch (e) {
+  if ((e instanceof ReferenceError) !== true) {
+    $ERROR('#1.2: x <= (x = 1) throw ReferenceError. Actual: ' + (e));  
+  }
+}
+
+//CHECK#2
+if ((y = 1) <= y !== true) {
+  $ERROR('#2: (y = 1) <= y === true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T1.1.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T1.1.js
new file mode 100644
index 000000000..a6a6f9dda
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T1.1.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator x <= y returns ToNumber(x) <= ToNumber(y), if Type(Primitive(x)) is not String or Type(Primitive(y)) is not String
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A3.1_T1.1.js
+ * @description Type(Primitive(x)) and Type(Primitive(y)) vary between primitive boolean and Boolean object
+ */
+
+//CHECK#1
+if (true <= true !== true) {
+  $ERROR('#1: true <= true === true');
+}
+
+//CHECK#2
+if (new Boolean(true) <= true !== true) {
+  $ERROR('#2: new Boolean(true) <= true === true');
+}
+
+//CHECK#3
+if (true <= new Boolean(true) !== true) {
+  $ERROR('#3: true <= new Boolean(true) === true');
+}
+
+//CHECK#4
+if (new Boolean(true) <= new Boolean(true) !== true) {
+  $ERROR('#4: new Boolean(true) <= new Boolean(true) === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T1.2.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T1.2.js
new file mode 100644
index 000000000..e4a93112a
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T1.2.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 <= y returns ToNumber(x) <= ToNumber(y), if Type(Primitive(x)) is not String or Type(Primitive(y)) is not String
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A3.1_T1.2.js
+ * @description Type(Primitive(x)) and Type(Primitive(y)) vary between primitive number and Number object
+ */
+
+//CHECK#1
+if (1 <= 1 !== true) {
+  $ERROR('#1: 1 <= 1 === true');
+}
+
+//CHECK#2
+if (new Number(1) <= 1 !== true) {
+  $ERROR('#2: new Number(1) <= 1 === true');
+}
+
+//CHECK#3
+if (1 <= new Number(1) !== true) {
+  $ERROR('#3: 1 <= new Number(1) === true');
+}
+
+//CHECK#4
+if (new Number(1) <= new Number(1) !== true) {
+  $ERROR('#4: new Number(1) <= new Number(1) === true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T1.3.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T1.3.js
new file mode 100644
index 000000000..c55bc154c
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T1.3.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator x <= y returns ToNumber(x) <= ToNumber(y), if Type(Primitive(x)) is not String or Type(Primitive(y)) is not String
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A3.1_T1.3.js
+ * @description Type(Primitive(x)) and Type(Primitive(y)) vary between Null and Undefined
+ */
+
+//CHECK#1
+if (null <= undefined !== false) {
+  $ERROR('#1: null <= undefined === false');
+}
+
+//CHECK#2
+if (undefined <= null !== false) {
+  $ERROR('#2: undefined <= null === false');
+}
+
+//CHECK#3
+if (undefined <= undefined !== false) {
+  $ERROR('#3: undefined <= undefined === false');
+}
+
+//CHECK#4
+if (null <= null !== true) {
+  $ERROR('#4: null <= null === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.1.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.1.js
new file mode 100644
index 000000000..2eb6f2282
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.1.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.
+
+/**
+ * Operator x <= y returns ToNumber(x) <= ToNumber(y), if Type(Primitive(x)) is not String or Type(Primitive(y)) is not String
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A3.1_T2.1.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Number (primitive or object) and Boolean (primitive and object)
+ */
+
+//CHECK#1
+if (true <= 1 !== true) {
+  $ERROR('#1: true <= 1 === true');
+}
+
+//CHECK#2
+if (1 <= true !== true) {
+  $ERROR('#2: 1 <= true === true');
+}
+
+//CHECK#3
+if (new Boolean(true) <= 1 !== true) {
+  $ERROR('#3: new Boolean(true) <= 1 === true');
+}
+
+//CHECK#4
+if (1 <= new Boolean(true) !== true) {
+  $ERROR('#4: 1 <= new Boolean(true) === true');
+}
+
+//CHECK#5
+if (true <= new Number(1) !== true) {
+  $ERROR('#5: true <= new Number(1) === true');
+}
+
+//CHECK#6
+if (new Number(1) <= true !== true) {
+  $ERROR('#6: new Number(1) <= true === true');
+}
+
+//CHECK#7
+if (new Boolean(true) <= new Number(1) !== true) {
+  $ERROR('#7: new Boolean(true) <= new Number(1) === true');
+}
+
+//CHECK#8
+if (new Number(1) <= new Boolean(true) !== true) {
+  $ERROR('#8: new Number(1) <= new Boolean(true) === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.2.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.2.js
new file mode 100644
index 000000000..7bbff24f5
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.2.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.
+
+/**
+ * Operator x <= y returns ToNumber(x) <= ToNumber(y), if Type(Primitive(x)) is not String or Type(Primitive(y)) is not String
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A3.1_T2.2.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Number (primitive or object) and String (primitive and object)
+ */
+
+//CHECK#1
+if ("1" <= 1 !== true) {
+  $ERROR('#1: "1" <= 1 === true');
+}
+
+//CHECK#2
+if (1 <= "1" !== true) {
+  $ERROR('#2: 1 <= "1" === true');
+}
+
+//CHECK#3
+if (new String("1") <= 1 !== true) {
+  $ERROR('#3: new String("1") <= 1 === true');
+}
+
+//CHECK#4
+if (1 <= new String("1") !== true) {
+  $ERROR('#4: 1 <= new String("1") === true');
+}
+
+//CHECK#5
+if ("1" <= new Number(1) !== true) {
+  $ERROR('#5: "1" <= new Number(1) === true');
+}
+
+//CHECK#6
+if (new Number(1) <= "1" !== true) {
+  $ERROR('#6: new Number(1) <= "1" === true');
+}
+
+//CHECK#7
+if (new String("1") <= new Number(1) !== true) {
+  $ERROR('#7: new String("1") <= new Number(1) === true');
+}
+
+//CHECK#8
+if (new Number(1) <= new String("1") !== true) {
+  $ERROR('#8: new Number(1) <= new String("1") === true');
+}
+
+//CHECK#9
+if ("x" <= 1 !== false) {
+  $ERROR('#9: "x" <= 1 === false');
+}
+
+//CHECK#10
+if (1 <= "x" !== false) {
+  $ERROR('#10: 1 <= "x" === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.3.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.3.js
new file mode 100644
index 000000000..a255c8b99
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.3.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator x <= y returns ToNumber(x) <= ToNumber(y), if Type(Primitive(x)) is not String or Type(Primitive(y)) is not String
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A3.1_T2.3.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Number (primitive or object) and Null
+ */
+
+//CHECK#1
+if (1 <= null !== false) {
+  $ERROR('#1: 1 <= null === false');
+}
+
+//CHECK#2
+if (null <= 1 !== true) {
+  $ERROR('#2: null <= 1 === true');
+}
+
+//CHECK#3
+if (new Number(1) <= null !== false) {
+  $ERROR('#3: new Number(1) <= null === false');
+}
+
+//CHECK#4
+if (null <= new Number(1) !== true) {
+  $ERROR('#4: null <= new Number(1) === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.4.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.4.js
new file mode 100644
index 000000000..a124fb8d9
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.4.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator x <= y returns ToNumber(x) <= ToNumber(y), if Type(Primitive(x)) is not String or Type(Primitive(y)) is not String
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A3.1_T2.4.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Number (primitive or object) and Undefined
+ */
+
+//CHECK#1
+if (1 <= undefined !== false) {
+  $ERROR('#1: 1 <= undefined === false');
+}
+
+//CHECK#2
+if (undefined <= 1 !== false) {
+  $ERROR('#2: undefined <= 1 === false');
+}
+
+//CHECK#3
+if (new Number(1) <= undefined !== false) {
+  $ERROR('#3: new Number(1) <= undefined === false');
+}
+
+//CHECK#4
+if (undefined <= new Number(1) !== false) {
+  $ERROR('#4: undefined <= new Number(1) === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.5.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.5.js
new file mode 100644
index 000000000..39fa250a5
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.5.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.
+
+/**
+ * Operator x <= y returns ToNumber(x) <= ToNumber(y), if Type(Primitive(x)) is not String or Type(Primitive(y)) is not String
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A3.1_T2.5.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between String (primitive or object) and Boolean (primitive and object)
+ */
+
+//CHECK#1
+if (true <= "1" !== true) {
+  $ERROR('#1: true <= "1" === true');
+}
+
+//CHECK#2
+if ("1" <= true !== true) {
+  $ERROR('#2: "1" <= true === true');
+}
+
+//CHECK#3
+if (new Boolean(true) <= "1" !== true) {
+  $ERROR('#3: new Boolean(true) <= "1" === true');
+}
+
+//CHECK#4
+if ("1" <= new Boolean(true) !== true) {
+  $ERROR('#4: "1" <= new Boolean(true) === true');
+}
+
+//CHECK#5
+if (true <= new String("1") !== true) {
+  $ERROR('#5: true <= new String("1") === true');
+}
+
+//CHECK#6
+if (new String("1") <= true !== true) {
+  $ERROR('#6: new String("1") <= true === true');
+}
+
+//CHECK#7
+if (new Boolean(true) <= new String("1") !== true) {
+  $ERROR('#7: new Boolean(true) <= new String("1") === true');
+}
+
+//CHECK#8
+if (new String("1") <= new Boolean(true) !== true) {
+  $ERROR('#8: new String("1") <= new Boolean(true) === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.6.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.6.js
new file mode 100644
index 000000000..321a4848e
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.6.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator x <= y returns ToNumber(x) <= ToNumber(y), if Type(Primitive(x)) is not String or Type(Primitive(y)) is not String
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A3.1_T2.6.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between String (primitive or object) and Undefined
+ */
+
+//CHECK#1
+if ("1" <= undefined !== false) {
+  $ERROR('#1: "1" <= undefined === false');
+}
+
+//CHECK#2
+if (undefined <= "1" !== false) {
+  $ERROR('#2: undefined <= "1" === false');
+}
+
+//CHECK#3
+if (new String("1") <= undefined !== false) {
+  $ERROR('#3: new String("1") <= undefined === false');
+}
+
+//CHECK#4
+if (undefined <= new String("1") !== false) {
+  $ERROR('#4: undefined <= new String("1") === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.7.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.7.js
new file mode 100644
index 000000000..02a69689e
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.7.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator x <= y returns ToNumber(x) <= ToNumber(y), if Type(Primitive(x)) is not String or Type(Primitive(y)) is not String
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A3.1_T2.7.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between String (primitive or object) and Null
+ */
+
+//CHECK#1
+if ("1" <= null !== false) {
+  $ERROR('#1: "1" <= null === false');
+}
+
+//CHECK#2
+if (null <= "1" !== true) {
+  $ERROR('#2: null <= "1" === true');
+}
+
+//CHECK#3
+if (new String("1") <= null !== false) {
+  $ERROR('#3: new String("1") <= null === false');
+}
+
+//CHECK#4
+if (null <= new String("1") !== true) {
+  $ERROR('#4: null <= new String("1") === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.8.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.8.js
new file mode 100644
index 000000000..580057063
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.8.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator x <= y returns ToNumber(x) <= ToNumber(y), if Type(Primitive(x)) is not String or Type(Primitive(y)) is not String
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A3.1_T2.8.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Boolean (primitive or object) and Undefined
+ */
+
+//CHECK#1
+if (true <= undefined !== false) {
+  $ERROR('#1: true <= undefined === false');
+}
+
+//CHECK#2
+if (undefined <= true !== false) {
+  $ERROR('#2: undefined <= true === false');
+}
+
+//CHECK#3
+if (new Boolean(true) <= undefined !== false) {
+  $ERROR('#3: new Boolean(true) <= undefined === false');
+}
+
+//CHECK#4
+if (undefined <= new Boolean(true) !== false) {
+  $ERROR('#4: undefined <= new Boolean(true) === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.9.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.9.js
new file mode 100644
index 000000000..ed70b36f2
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.9.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator x <= y returns ToNumber(x) <= ToNumber(y), if Type(Primitive(x)) is not String or Type(Primitive(y)) is not String
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A3.1_T2.9.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Boolean (primitive or object) and Null
+ */
+
+//CHECK#1
+if (true <= null !== false) {
+  $ERROR('#1: true <= null === false');
+}
+
+//CHECK#2
+if (null <= true !== true) {
+  $ERROR('#2: null <= true === true');
+}
+
+//CHECK#3
+if (new Boolean(true) <= null !== false) {
+  $ERROR('#3: new Boolean(true) <= null === false');
+}
+
+//CHECK#4
+if (null <= new Boolean(true) !== true) {
+  $ERROR('#4: null <= new Boolean(true) === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.2_T1.1.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.2_T1.1.js
new file mode 100644
index 000000000..354384ea8
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.2_T1.1.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.
+
+/**
+ * Operator x <= y returns ToString(x) <= ToString(y), if Type(Primitive(x)) is String and Type(Primitive(y)) is String
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A3.2_T1.1.js
+ * @description Type(Primitive(x)) and Type(Primitive(y)) vary between primitive string and String object
+ */
+
+//CHECK#1
+if ("1" <= "1" !== true) {
+  $ERROR('#1: "1" <= "1" === true');
+}
+
+//CHECK#2
+if (new String("1") <= "1" !== true) {
+  $ERROR('#2: new String("1") <= "1" === true');
+}
+
+//CHECK#3
+if ("1" <= new String("1") !== true) {
+  $ERROR('#3: "1" <= new String("1") === true');
+}
+
+//CHECK#4
+if (new String("1") <= new String("1") !== true) {
+  $ERROR('#4: new String("1") <= new String("1") === true');
+}
+
+//CHECK#5
+if ("x" <= "1" !== false) {
+  $ERROR('#5: "x" <= "1" === false');
+}
+
+//CHECK#6
+if ("1" <= "x" !== true) {
+  $ERROR('#6: "1" <= "x" === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.2_T1.2.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.2_T1.2.js
new file mode 100644
index 000000000..93ff5e2e2
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.2_T1.2.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator x <= y returns ToString(x) <= ToString(y), if Type(Primitive(x)) is String and Type(Primitive(y)) is String
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A3.2_T1.2.js
+ * @description Type(Primitive(x)) and Type(Primitive(y)) vary between Object object and Function object
+ */
+
+//CHECK#1
+if (({} <= function(){return 1}) !== ({}.toString() <= function(){return 1}.toString())) {
+  $ERROR('#1: ({} <= function(){return 1}) === ({}.toString() <= function(){return 1}.toString())');
+}
+
+//CHECK#2
+if ((function(){return 1} <= {}) !== (function(){return 1}.toString() <= {}.toString())) {
+  $ERROR('#2: (function(){return 1} <= {}) === (function(){return 1}.toString() <= {}.toString())');
+}
+
+//CHECK#3
+if ((function(){return 1} <= function(){return 1}) !== (function(){return 1}.toString() <= function(){return 1}.toString())) {
+  $ERROR('#3: (function(){return 1} <= function(){return 1}) === (function(){return 1}.toString() <= function(){return 1}.toString())');
+}
+
+//CHECK#4
+if (({} <= {}) !== ({}.toString() <= {}.toString())) {
+  $ERROR('#4: ({} <= {}) === ({}.toString() <= {}.toString())');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.1.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.1.js
new file mode 100644
index 000000000..c94f02041
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.1.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.
+
+/**
+ * If x is NaN, return false (if result in 11.8.5 is undefined, return false)
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A4.1.js
+ * @description y is number primitive
+ */
+
+//CHECK#1
+if ((Number.NaN <= 0) !== false) {
+  $ERROR('#1: (NaN <= 0) === false');
+}
+
+//CHECK#2
+if ((Number.NaN <= 1.1) !== false) {
+  $ERROR('#2: (NaN <= 1.1) === false');
+}
+
+//CHECK#3
+if ((Number.NaN <= -1.1) !== false) {
+  $ERROR('#3: (NaN <= -1.1) === false');
+}
+
+//CHECK#4
+if ((Number.NaN <= Number.NaN) !== false) {
+  $ERROR('#4: (NaN <= NaN) === false');
+}
+
+//CHECK#5
+if ((Number.NaN <= Number.POSITIVE_INFINITY) !== false) {
+  $ERROR('#5: (NaN <= +Infinity) === false');
+}
+
+//CHECK#6
+if ((Number.NaN <= Number.NEGATIVE_INFINITY) !== false) {
+  $ERROR('#6: (NaN <= -Infinity) === false');
+}
+
+//CHECK#7
+if ((Number.NaN <= Number.MAX_VALUE) !== false) {
+  $ERROR('#7: (NaN <= Number.MAX_VALUE) === false');
+}
+
+//CHECK#8
+if ((Number.NaN <= Number.MIN_VALUE) !== false) {
+  $ERROR('#8: (NaN <= Number.MIN_VALUE) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.10.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.10.js
new file mode 100644
index 000000000..4e2295c6d
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.10.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.
+
+/**
+ * If y is a prefix of x and x !== y, return false
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A4.10.js
+ * @description x and y are string primitives
+ */
+
+//CHECK#1
+if (("x " <= "x") !== false) {
+  $ERROR('#1: ("x " <= "x") === false');
+}
+
+//CHECK#2
+if (("x" <= "") !== false) {
+  $ERROR('#2: ("x" <= "") === false');
+}
+
+//CHECK#3
+if (("abcd" <= "ab") !== false) {
+  $ERROR('#3: ("abcd" <= ab") === false');
+}
+
+//CHECK#4
+if (("abc\u0064" <= "abcd") !== true) {
+  $ERROR('#4: ("abc\\u0064" <= abcd") === true');
+}
+
+//CHECK#5
+if (("x" + "y" <= "x") !== false) {
+  $ERROR('#5: ("x" + "y" <= "x") === false');
+}
+
+//CHECK#6
+var x = "x";
+if ((x + 'y' <= x) !== false) {
+  $ERROR('#6: var x = "x"; (x + "y" <= x) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.11.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.11.js
new file mode 100644
index 000000000..556a9eb89
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.11.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.
+
+/**
+ * If x is a prefix of y, return true
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A4.11.js
+ * @description x and y are string primitives
+ */
+
+//CHECK#1
+if (("x" <= "x") !== true) {
+  $ERROR('#1: ("x" <= "x") === true');
+}
+
+//CHECK#2
+if (("" <= "x") !== true) {
+  $ERROR('#2: ("" <= "x") === true');
+}
+
+//CHECK#3
+if (("ab" <= "abcd") !== true) {
+  $ERROR('#3: ("ab" <= abcd") === true');
+}
+
+//CHECK#4
+if (("abcd" <= "abc\u0064") !== true) {
+  $ERROR('#4: ("abcd" <= abc\\u0064") === true');
+}
+
+//CHECK#5
+if (("x" <= "x" + "y") !== true) {
+  $ERROR('#5: ("x" <= "x" + "y") === true');
+}
+
+//CHECK#6
+var x = "x";
+if ((x <= x + "y") !== true) {
+  $ERROR('#6: var x = "x"; (x <= x + "y") === true');
+}
+
+//CHECK#7
+if (("a\u0000" <= "a\u0000a") !== true) {
+  $ERROR('#7: ("a\\u0000" <= "a\\u0000a") === true');
+}
+
+//CHECK#8
+if (("x" <= " x") !== false) {
+  $ERROR('#8: ("x" <= " x") === false');
+}
+
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.12_T1.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.12_T1.js
new file mode 100644
index 000000000..cb1228e57
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.12_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.
+
+/**
+ * If neither x, nor y is a prefix of each other, returned result of strings comparison applies a simple lexicographic ordering to the sequences of code point value values
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A4.12_T1.js
+ * @description x and y are string primitives
+ */
+
+//CHECK#1
+if (("xx" <= "xy") !== true) {
+  $ERROR('#1: ("xx" <= "xy") === true');
+}
+
+//CHECK#2
+if (("xy" <= "xx") !== false) {
+  $ERROR('#2: ("xy" <= "xx") === false');
+}
+
+//CHECK#3
+if (("x" <= "y") !== true) {
+  $ERROR('#3: ("x" <= y") === true');
+}
+
+//CHECK#4
+if (("aab" <= "aba") !== true) {
+  $ERROR('#4: ("aab" <= aba") === true');
+}
+
+//CHECK#5
+if (("\u0061\u0061\u0061\u0062" <= "\u0061\u0061\u0061\u0061") !== false) {
+  $ERROR('#5: ("\\u0061\\u0061\\u0061\\u0062" <= \\u0061\\u0061\\u0061\\u0061") === false');
+}
+
+//CHECK#6
+if (("a\u0000a" <= "a\u0000b") !== true) {
+  $ERROR('#6: ("a\\u0000a" <= "a\\u0000b") === true');
+}
+
+//CHECK#7
+if (("aB" <= "aa") !== true) {
+  $ERROR('#7: ("aB" <= aa") === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.12_T2.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.12_T2.js
new file mode 100644
index 000000000..459d73ed1
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.12_T2.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.
+
+/**
+ * If neither x, nor y is a prefix of each other, returned result of strings comparison applies a simple lexicographic ordering to the sequences of code point value values
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A4.12_T2.js
+ * @description x and y are string primitives
+ */
+
+//CHECK#1
+if (("0" <= "x") !== true) {
+  $ERROR('#1: ("0" <= "x") !== true');
+}
+
+//CHECK#2
+if (("-" <= "0") !== true) {
+  $ERROR('#2: ("-" <= "0") !== true');
+}
+
+//CHECK#3
+if (("." <= "0") !== true) {
+  $ERROR('#3: ("." <= "0") !== true');
+}
+
+//CHECK#4
+if (("+" <= "-") !== true) {
+  $ERROR('#4: ("+" <= "-") !== true');
+}
+
+//CHECK#5
+if (("-0" <= "-1") !== true) {
+  $ERROR('#5: ("-0" <= "-1") !== true');
+}
+
+//CHECK#6
+if (("+1" <= "-1") !== true) {
+  $ERROR('#6: ("+1" <= "-1") !== true');
+}
+
+//CHECK#7
+if (("1" <= "1e-10") !== true) {
+$ERROR('#7: ("1" <= "1e-10") !== true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.2.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.2.js
new file mode 100644
index 000000000..dd195d809
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.2.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.
+
+/**
+ * If y is NaN, return false (if result in 11.8.5 is undefined, return false)
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A4.2.js
+ * @description x is number primitive
+ */
+
+//CHECK#1
+if ((0 <= Number.NaN) !== false) {
+  $ERROR('#1: (0 <= NaN) === false');
+}
+
+//CHECK#2
+if ((1.1 <= Number.NaN) !== false) {
+  $ERROR('#2: (1.1 <= NaN) === false');
+}
+
+//CHECK#3
+if ((-1.1 <= Number.NaN) !== false) {
+  $ERROR('#3: (-1.1 <= NaN) === false');
+}
+
+//CHECK#4
+if ((Number.NaN <= Number.NaN) !== false) {
+  $ERROR('#4: (NaN <= NaN) === false');
+}
+
+//CHECK#5
+if ((Number.POSITIVE_INFINITY <= Number.NaN) !== false) {
+  $ERROR('#5: (+Infinity <= NaN) === false');
+}
+
+//CHECK#6
+if ((Number.NEGATIVE_INFINITY <= Number.NaN) !== false) {
+  $ERROR('#6: (-Infinity <= NaN) === false');
+}
+
+//CHECK#7
+if ((Number.MAX_VALUE <= Number.NaN) !== false) {
+  $ERROR('#7: (Number.MAX_VALUE <= NaN) === false');
+}
+
+//CHECK#8
+if ((Number.MIN_VALUE <= Number.NaN) !== false) {
+  $ERROR('#8: (Number.MIN_VALUE <= NaN) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.3.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.3.js
new file mode 100644
index 000000000..3c462cfdd
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.3.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.
+
+/**
+ * If x and y are the same number value, return true
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A4.3.js
+ * @description x and y are number primitives
+ */
+
+//CHECK#1
+if ((1 <= 1) !== true) {
+  $ERROR('#1: (1 <= 1) === true');
+}
+
+//CHECK#2
+if ((1.1 <= 1.1) !== true) {
+  $ERROR('#2: (1.1 <= 1.1) === true');
+}
+
+//CHECK#3
+if ((-1.1 <= -1.1) !== true) {
+  $ERROR('#3: (-1.1 <= -1.1) === true');
+}
+
+//CHECK#4
+if ((Number.NEGATIVE_INFINITY <= Number.NEGATIVE_INFINITY) !== true) {
+  $ERROR('#4: (-Infinity <= -Infinity) === true');
+}
+
+//CHECK#5
+if ((Number.POSITIVE_INFINITY <= Number.POSITIVE_INFINITY) !== true) {
+  $ERROR('#5: (+Infinity <= +Infinity) === true');
+}
+
+//CHECK#6
+if ((Number.MAX_VALUE <= Number.MAX_VALUE) !== true) {
+  $ERROR('#6: (Number.MAX_VALUE <= Number.MAX_VALUE) === true');
+}
+
+//CHECK#7
+if ((Number.MIN_VALUE <= Number.MIN_VALUE) !== true) {
+  $ERROR('#7: (Number.MIN_VALUE <= Number.MIN_VALUE) === true');
+}
+
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.4.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.4.js
new file mode 100644
index 000000000..4669cde36
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.4.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.
+
+/**
+ * If either x or y is +0 and the other is -0, return true
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A4.4.js
+ * @description Checking all combinations
+ */
+
+//CHECK#1
+if ((0 <= 0) !== true) {
+  $ERROR('#1: (0 <= 0) === true');
+}
+
+//CHECK#2
+if ((-0 <= -0) !== true) {
+  $ERROR('#2: (-0 <= -0) === true');
+}
+
+//CHECK#3
+if ((+0 <= -0) !== true) {
+  $ERROR('#3: (+0 <= -0) === true');
+}
+
+//CHECK#4
+if ((-0 <= +0) !== true) {
+  $ERROR('#4: (-0 <= +0) === true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.5.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.5.js
new file mode 100644
index 000000000..ff3ab3a85
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.5.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.
+
+/**
+ * If x is +Infinity and x !== y, return false
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A4.5.js
+ * @description y is number primitive
+ */
+
+//CHECK#1
+if ((Number.POSITIVE_INFINITY <= 0) !== false) {
+  $ERROR('#1: (+Infinity <= 0) === false');
+}
+
+//CHECK#2
+if ((Number.POSITIVE_INFINITY <= 1.1) !== false) {
+  $ERROR('#2: (+Infinity <= 1.1) === false');
+}
+
+//CHECK#3
+if ((Number.POSITIVE_INFINITY <= -1.1) !== false) {
+  $ERROR('#3: (+Infinity <= -1.1) === false');
+}
+
+//CHECK#4
+if ((Number.POSITIVE_INFINITY <= Number.NEGATIVE_INFINITY) !== false) {
+  $ERROR('#4: (+Infinity <= -Infinity) === false');
+}
+
+//CHECK#5
+if ((Number.POSITIVE_INFINITY <= Number.MAX_VALUE) !== false) {
+  $ERROR('#5: (+Infinity <= Number.MAX_VALUE) === false');
+}
+
+//CHECK#6
+if ((Number.POSITIVE_INFINITY <= Number.MIN_VALUE) !== false) {
+  $ERROR('#6: (+Infinity <= Number.MIN_VALUE) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.6.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.6.js
new file mode 100644
index 000000000..1aa11f973
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.6.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.
+
+/**
+ * If y is +Infinity and x !== y, return true
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A4.6.js
+ * @description x is number primitive
+ */
+
+//CHECK#1
+if ((0 <= Number.POSITIVE_INFINITY) !== true) {
+  $ERROR('#1: (0 <= +Infinity) === true');
+}
+
+//CHECK#2
+if ((1.1 <= Number.POSITIVE_INFINITY) !== true) {
+  $ERROR('#2: (1.1 <= +Infinity) === true');
+}
+
+//CHECK#3
+if ((-1.1 <= Number.POSITIVE_INFINITY) !== true) {
+  $ERROR('#3: (-1.1 <= +Infinity) === true');
+}
+
+//CHECK#4
+if ((Number.NEGATIVE_INFINITY <= Number.POSITIVE_INFINITY) !== true) {
+  $ERROR('#4: (-Infinity <= +Infinity) === true');
+}
+
+//CHECK#5
+if ((Number.MAX_VALUE <= Number.POSITIVE_INFINITY) !== true) {
+  $ERROR('#5: (Number.MAX_VALUE <= +Infinity) === true');
+}
+
+//CHECK#6
+if ((Number.MIN_VALUE <= Number.POSITIVE_INFINITY) !== true) {
+  $ERROR('#6: (Number.MIN_VALUE <= +Infinity) === true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.7.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.7.js
new file mode 100644
index 000000000..8abd94de4
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.7.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.
+
+/**
+ * If x is -Infinity, return true
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A4.7.js
+ * @description y is number primitive
+ */
+
+//CHECK#1
+if ((Number.NEGATIVE_INFINITY <= 0) !== true) {
+  $ERROR('#1: (-Infinity <= 0) === true');
+}
+
+//CHECK#2
+if ((Number.NEGATIVE_INFINITY <= 1.1) !== true) {
+  $ERROR('#2: (-Infinity <= 1.1) === true');
+}
+
+//CHECK#3
+if ((Number.NEGATIVE_INFINITY <= -1.1) !== true) {
+  $ERROR('#3: (-Infinity <= -1.1) === true');
+}
+
+//CHECK#4
+if ((Number.NEGATIVE_INFINITY <= Number.POSITIVE_INFINITY) !== true) {
+  $ERROR('#4: (-Infinity <= +Infinity) === true');
+}
+
+//CHECK#5
+if ((Number.NEGATIVE_INFINITY <= Number.MAX_VALUE) !== true) {
+  $ERROR('#5: (-Infinity <= Number.MAX_VALUE) === true');
+}
+
+//CHECK#6
+if ((Number.NEGATIVE_INFINITY <= Number.MIN_VALUE) !== true) {
+  $ERROR('#6: (-Infinity <= Number.MIN_VALUE) === true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.8.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.8.js
new file mode 100644
index 000000000..c126d0795
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.8.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.
+
+/**
+ * If y is -Infinity and x !== y, return false
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A4.8.js
+ * @description x is number primitive
+ */
+
+//CHECK#1
+if ((0 <= Number.NEGATIVE_INFINITY) !== false) {
+  $ERROR('#1: (0 <= -Infinity) === false');
+}
+
+//CHECK#2
+if ((1.1 <= Number.NEGATIVE_INFINITY) !== false) {
+  $ERROR('#2: (1.1 <= -Infinity) === false');
+}
+
+//CHECK#3
+if ((-1.1 <= Number.NEGATIVE_INFINITY) !== false) {
+  $ERROR('#3: (-1.1 <= -Infinity) === false');
+}
+
+//CHECK#4
+if ((Number.POSITIVE_INFINITY <= Number.NEGATIVE_INFINITY) !== false) {
+  $ERROR('#4: (+Infinity <= -Infinity) === false');
+}
+
+//CHECK#5
+if ((Number.MAX_VALUE <= Number.NEGATIVE_INFINITY) !== false) {
+  $ERROR('#5: (Number.MAX_VALUE <= -Infinity) === false');
+}
+
+//CHECK#6
+if ((Number.MIN_VALUE <= Number.NEGATIVE_INFINITY) !== false) {
+  $ERROR('#6: (Number.MIN_VALUE <= -Infinity) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.9.js b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.9.js
new file mode 100644
index 000000000..fa0d9302c
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.9.js
@@ -0,0 +1,52 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If x is less or equal than y and these values are both finite non-zero, return true; otherwise, return false
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A4.9.js
+ * @description x and y are number primitives
+ */
+
+//CHECK#1
+if ((1.1 <= 1) !== false) {
+  $ERROR('#1: (1.1 <= 1) === false');
+}
+
+//CHECK#2
+if ((1 <= 1.1) !== true) {
+  $ERROR('#2: (1 <= 1.1) === true');
+}
+
+//CHECK#3
+if ((-1.1 <= -1) !== true) {
+  $ERROR('#3: (-1.1 <= -1) === true');
+}
+
+//CHECK#4
+if ((-1 <= -1.1) !== false) {
+  $ERROR('#4: (-1 <= -1.1) === false');
+}
+
+//CHECK#5
+if ((0 <= 0.1) !== true) {
+  $ERROR('#5: (0 <= 0.1) === true');
+}
+
+//CHECK#6
+if ((-0.1 <= 0) !== true) {
+  $ERROR('#6: (-0.1 <= 0) === true');
+}
+
+//CHECK#7
+if ((Number.MAX_VALUE/2 <= Number.MAX_VALUE) !== true) {
+  $ERROR('#7: (Number.MAX_VALUE/2 <= Number.MAX_VALUE) === true');
+}
+
+//CHECK#8
+if ((Number.MIN_VALUE <= Number.MIN_VALUE*2) !== true) {
+  $ERROR('#8: (Number.MIN_VALUE <= Number.MIN_VALUE*2) === true');
+}
+
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/browser.js b/js/src/tests/test262/ch11/11.8/11.8.3/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/browser.js
diff --git a/js/src/tests/test262/ch11/11.8/11.8.3/shell.js b/js/src/tests/test262/ch11/11.8/11.8.3/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/shell.js
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A1.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A1.js
new file mode 100644
index 000000000..2a165a211
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_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 RelationalExpression and "=>" or "=>" and ShiftExpression are allowed
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A1.js
+ * @description Checking by using eval
+ */
+
+//CHECK#1
+if (eval("1\u0009>=\u00091") !== true) {
+  $ERROR('#1: (1\\u0009>=\\u00091) === true');
+}
+
+//CHECK#2
+if (eval("1\u000B>=\u000B1") !== true) {
+  $ERROR('#2: (1\\u000B>=\\u000B1) === true');  
+}
+
+//CHECK#3
+if (eval("1\u000C>=\u000C1") !== true) {
+  $ERROR('#3: (1\\u000C>=\\u000C1) === true');
+}
+
+//CHECK#4
+if (eval("1\u0020>=\u00201") !== true) {
+  $ERROR('#4: (1\\u0020>=\\u00201) === true');
+}
+
+//CHECK#5
+if (eval("1\u00A0>=\u00A01") !== true) {
+  $ERROR('#5: (1\\u00A0>=\\u00A01) === true');
+}
+
+//CHECK#6
+if (eval("1\u000A>=\u000A1") !== true) {
+  $ERROR('#6: (1\\u000A>=\\u000A1) === true');  
+}
+
+//CHECK#7
+if (eval("1\u000D>=\u000D1") !== true) {
+  $ERROR('#7: (1\\u000D>=\\u000D1) === true');
+}
+
+//CHECK#8
+if (eval("1\u2028>=\u20281") !== true) {
+  $ERROR('#8: (1\\u2028>=\\u20281) === true');
+}
+
+//CHECK#9
+if (eval("1\u2029>=\u20291") !== true) {
+  $ERROR('#9: (1\\u2029>=\\u20291) === true');
+}
+
+//CHECK#10
+if (eval("1\u0009\u000B\u000C\u0020\u00A0\u000A\u000D\u2028\u2029>=\u0009\u000B\u000C\u0020\u00A0\u000A\u000D\u2028\u20291") !== true) {
+  $ERROR('#10: (1\\u0009\\u000B\\u000C\\u0020\\u00A0\\u000A\\u000D\\u2028\\u2029>=\\u0009\\u000B\\u000C\\u0020\\u00A0\\u000A\\u000D\\u2028\\u20291) === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.1_T1.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.1_T1.js
new file mode 100644
index 000000000..8f3adb309
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.1_T1.js
@@ -0,0 +1,43 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator x >= y uses GetValue
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A2.1_T1.js
+ * @description Either Type is not Reference or GetBase is not null
+ */
+
+//CHECK#1
+if (1 >= 1 !== true) {
+  $ERROR('#1: 1 >= 1 === true');
+}
+
+//CHECK#2
+var x = 1;
+if (x >= 1 !== true) {
+  $ERROR('#2: var x = 1; x >= 1 === true');
+}
+
+//CHECK#3
+var y = 1;
+if (1 >= y !== true) {
+  $ERROR('#3: var y = 1; 1 >= y === true');
+}
+
+//CHECK#4
+var x = 1;
+var y = 1;
+if (x >= y !== true) {
+  $ERROR('#4: var x = 1; var y = 1; x >= y === true');
+}
+
+//CHECK#5
+var objectx = new Object();
+var objecty = new Object();
+objectx.prop = 1;
+objecty.prop = 1;
+if (objectx.prop >= objecty.prop !== true) {
+  $ERROR('#5: var objectx = new Object(); var objecty = new Object(); objectx.prop = 1; objecty.prop = 1; objectx.prop >= objecty.prop === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.1_T2.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.1_T2.js
new file mode 100644
index 000000000..8a57a24e3
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_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 >= y uses GetValue
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A2.1_T2.js
+ * @description If GetBase(x) is null, throw ReferenceError
+ */
+
+//CHECK#1
+try {
+  x >= 1;
+  $ERROR('#1.1: x >= 1 throw ReferenceError. Actual: ' + (x >= 1));  
+}
+catch (e) {
+  if ((e instanceof ReferenceError) !== true) {
+    $ERROR('#1.2: x >= 1 throw ReferenceError. Actual: ' + (e));  
+  }
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.1_T3.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.1_T3.js
new file mode 100644
index 000000000..23c2ea604
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.1_T3.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 >= y uses GetValue
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A2.1_T3.js
+ * @description If GetBase(y) is null, throw ReferenceError
+ */
+
+//CHECK#1
+try {
+  1 >= y;
+  $ERROR('#1.1: 1 >= y throw ReferenceError. Actual: ' + (1 >= y));  
+}
+catch (e) {
+  if ((e instanceof ReferenceError) !== true) {
+    $ERROR('#1.2: 1 >= y throw ReferenceError. Actual: ' + (e));  
+  }
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.2_T1.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.2_T1.js
new file mode 100644
index 000000000..f129ea315
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.2_T1.js
@@ -0,0 +1,71 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator x >= y uses [[Default Value]]
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A2.2_T1.js
+ * @description If Type(value) is Object, evaluate ToPrimitive(value, Number)
+ */
+
+//CHECK#1
+if ({valueOf: function() {return 2}} >= 1 !== true) {
+  $ERROR('#1: {valueOf: function() {return 1}} >= 1 === true. Actual: ' + ({valueOf: function() {return 1}} >= 1));
+}
+
+//CHECK#2
+if ({valueOf: function() {return 2}, toString: function() {return 0}} >= 1 !== true) {
+  $ERROR('#2: {valueOf: function() {return 1}, toString: function() {return 2}} >= 1 === true. Actual: ' + ({valueOf: function() {return 1}, toString: function() {return 2}} >= 1));
+}
+
+//CHECK#3
+if ({valueOf: function() {return 2}, toString: function() {return {}}} >= 1 !== true) {
+  $ERROR('#3: {valueOf: function() {return 1}, toString: function() {return {}}} >= 1 === true. Actual: ' + ({valueOf: function() {return 1}, toString: function() {return {}}} >= 1));
+}
+
+//CHECK#4
+try {
+  if ({valueOf: function() {return 2}, toString: function() {throw "error"}} >= 1 !== true) {
+    $ERROR('#4.1: {valueOf: function() {return 1}, toString: function() {throw "error"}} >= 1 === true. Actual: ' + ({valueOf: function() {return 1}, toString: function() {throw "error"}} >= 1));
+  }
+}
+catch (e) {
+  if (e === "error") {
+    $ERROR('#4.2: {valueOf: function() {return 2}, toString: function() {throw "error"}} >= 1 not throw "error"');
+  } else {
+    $ERROR('#4.3: {valueOf: function() {return 2}, toString: function() {throw "error"}} >= 1 not throw Error. Actual: ' + (e));
+  }
+}
+
+//CHECK#5
+if (1 >= {toString: function() {return 0}} !== true) {
+  $ERROR('#5: 1 >= {toString: function() {return 0}} === true. Actual: ' + (1 >= {toString: function() {return 0}}));
+}
+
+//CHECK#6
+if (1 >= {valueOf: function() {return {}}, toString: function() {return 0}} !== true) {
+  $ERROR('#6: 1 >= {valueOf: function() {return {}}, toString: function() {return 0}} === true. Actual: ' + (1 >= {valueOf: function() {return {}}, toString: function() {return 0}}));
+}
+
+//CHECK#7
+try {
+  1 >= {valueOf: function() {throw "error"}, toString: function() {return 0}};
+  $ERROR('#7.1: 1 >= {valueOf: function() {throw "error"}, toString: function() {return 0}} throw "error". Actual: ' + (1 >= {valueOf: function() {throw "error"}, toString: function() {return 0}}));
+}  
+catch (e) {
+  if (e !== "error") {
+    $ERROR('#7.2: 1 >= {valueOf: function() {throw "error"}, toString: function() {return 0}} throw "error". Actual: ' + (e));
+  } 
+}
+
+//CHECK#8
+try {
+  1 >= {valueOf: function() {return {}}, toString: function() {return {}}};
+  $ERROR('#8.1: 1 >= {valueOf: function() {return {}}, toString: function() {return {}}} throw TypeError. Actual: ' + (1 >= {valueOf: function() {return {}}, toString: function() {return {}}}));
+}  
+catch (e) {
+  if ((e instanceof TypeError) !== true) {
+    $ERROR('#8.2: 1 >= {valueOf: function() {return {}}, toString: function() {return {}}} throw TypeError. Actual: ' + (e));
+  } 
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.3_T1.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.3_T1.js
new file mode 100644
index 000000000..dd286dd03
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.3_T1.js
@@ -0,0 +1,26 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * ToNumber(first expression) is called first, and then ToNumber(second expression)
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A2.3_T1.js
+ * @description Checking with "throw"
+ */
+
+//CHECK#1
+var x = { valueOf: function () { throw "x"; } };
+var y = { valueOf: function () { throw "y"; } };
+try {
+   x >= y;
+   $ERROR('#1.1: var x = { valueOf: function () { throw "x"; } }; var y = { valueOf: function () { throw "y"; } }; x >= y throw "x". Actual: ' + (x >= y));
+} catch (e) {
+   if (e === "y") {
+     $ERROR('#1.2: ToNumber(first expression) is called first, and then ToNumber(second expression)');
+   } else {
+     if (e !== "x") {
+       $ERROR('#1.3: var x = { valueOf: function () { throw "x"; } }; var y = { valueOf: function () { throw "y"; } }; x >= y throw "x". Actual: ' + (e));
+     }
+   }
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.4_T1.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.4_T1.js
new file mode 100644
index 000000000..8e3f2b0c7
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.4_T1.js
@@ -0,0 +1,23 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * First expression is evaluated first, and then second expression
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A2.4_T1.js
+ * @description Checking with "="
+ */
+
+//CHECK#1
+var x = 1; 
+if ((x = 0) >= x !== true) {
+  $ERROR('#1: var x = 1; (x = 0) >= x === true');
+}
+
+//CHECK#2
+var x = 0; 
+if (x >= (x = 1) !== false) {
+  $ERROR('#2: var x = 0; x >= (x = 1) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.4_T2.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.4_T2.js
new file mode 100644
index 000000000..f7c0446dd
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.4_T2.js
@@ -0,0 +1,26 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * First expression is evaluated first, and then second expression
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A2.4_T2.js
+ * @description Checking with "throw"
+ */
+
+//CHECK#1
+var x = function () { throw "x"; };
+var y = function () { throw "y"; };
+try {
+   x() >= y();
+   $ERROR('#1.1: var x = function () { throw "x"; }; var y = function () { throw "y"; }; x() >= y() throw "x". Actual: ' + (x() >= y()));
+} catch (e) {
+   if (e === "y") {
+     $ERROR('#1.2: First expression is evaluated first, and then second expression');
+   } else {
+     if (e !== "x") {
+       $ERROR('#1.3: var x = function () { throw "x"; }; var y = function () { throw "y"; }; x() >= y() throw "x". Actual: ' + (e));
+     }
+   }
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.4_T3.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.4_T3.js
new file mode 100644
index 000000000..54efe21ac
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A2.4_T3.js
@@ -0,0 +1,27 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * First expression is evaluated first, and then second expression
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A2.4_T3.js
+ * @description Checking with undeclarated variables
+ */
+
+//CHECK#1
+try {
+  x >= (x = 1);
+  $ERROR('#1.1: x >= (x = 1) throw ReferenceError. Actual: ' + (x >= (x = 1)));  
+}
+catch (e) {
+  if ((e instanceof ReferenceError) !== true) {
+    $ERROR('#1.2: x >= (x = 1) throw ReferenceError. Actual: ' + (e));  
+  }
+}
+
+//CHECK#2
+if ((y = 1) >= y !== true) {
+  $ERROR('#2: (y = 1) >= y === true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T1.1.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T1.1.js
new file mode 100644
index 000000000..d92463091
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T1.1.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x >= y returns ToNumber(x) >= ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A3.1_T1.1.js
+ * @description Type(Primitive(x)) and Type(Primitive(y)) vary between primitive boolean and Boolean object
+ */
+
+//CHECK#1
+if (true >= true !== true) {
+  $ERROR('#1: true >= true === true');
+}
+
+//CHECK#2
+if (new Boolean(true) >= true !== true) {
+  $ERROR('#2: new Boolean(true) >= true === true');
+}
+
+//CHECK#3
+if (true >= new Boolean(true) !== true) {
+  $ERROR('#3: true >= new Boolean(true) === true');
+}
+
+//CHECK#4
+if (new Boolean(true) >= new Boolean(true) !== true) {
+  $ERROR('#4: new Boolean(true) >= new Boolean(true) === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T1.2.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T1.2.js
new file mode 100644
index 000000000..255124d7d
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T1.2.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.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x >= y returns ToNumber(x) >= ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A3.1_T1.2.js
+ * @description Type(Primitive(x)) and Type(Primitive(y)) vary between primitive number and Number object
+ */
+
+//CHECK#1
+if (1 >= 1 !== true) {
+  $ERROR('#1: 1 >= 1 === true');
+}
+
+//CHECK#2
+if (new Number(1) >= 1 !== true) {
+  $ERROR('#2: new Number(1) >= 1 === true');
+}
+
+//CHECK#3
+if (1 >= new Number(1) !== true) {
+  $ERROR('#3: 1 >= new Number(1) === true');
+}
+
+//CHECK#4
+if (new Number(1) >= new Number(1) !== true) {
+  $ERROR('#4: new Number(1) >= new Number(1) === true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T1.3.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T1.3.js
new file mode 100644
index 000000000..ffe39372e
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T1.3.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x >= y returns ToNumber(x) >= ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A3.1_T1.3.js
+ * @description Type(Primitive(x)) and Type(Primitive(y)) vary between Null and Undefined
+ */
+
+//CHECK#1
+if (null >= undefined !== false) {
+  $ERROR('#1: null >= undefined === false');
+}
+
+//CHECK#2
+if (undefined >= null !== false) {
+  $ERROR('#2: undefined >= null === false');
+}
+
+//CHECK#3
+if (undefined >= undefined !== false) {
+  $ERROR('#3: undefined >= undefined === false');
+}
+
+//CHECK#4
+if (null >= null !== true) {
+  $ERROR('#4: null >= null === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.1.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.1.js
new file mode 100644
index 000000000..c1f367aae
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.1.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.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x >= y returns ToNumber(x) >= ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A3.1_T2.1.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Number (primitive or object) and Boolean (primitive and object)
+ */
+
+//CHECK#1
+if (true >= 1 !== true) {
+  $ERROR('#1: true >= 1 === true');
+}
+
+//CHECK#2
+if (1 >= true !== true) {
+  $ERROR('#2: 1 >= true === true');
+}
+
+//CHECK#3
+if (new Boolean(true) >= 1 !== true) {
+  $ERROR('#3: new Boolean(true) >= 1 === true');
+}
+
+//CHECK#4
+if (1 >= new Boolean(true) !== true) {
+  $ERROR('#4: 1 >= new Boolean(true) === true');
+}
+
+//CHECK#5
+if (true >= new Number(1) !== true) {
+  $ERROR('#5: true >= new Number(1) === true');
+}
+
+//CHECK#6
+if (new Number(1) >= true !== true) {
+  $ERROR('#6: new Number(1) >= true === true');
+}
+
+//CHECK#7
+if (new Boolean(true) >= new Number(1) !== true) {
+  $ERROR('#7: new Boolean(true) >= new Number(1) === true');
+}
+
+//CHECK#8
+if (new Number(1) >= new Boolean(true) !== true) {
+  $ERROR('#8: new Number(1) >= new Boolean(true) === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.2.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.2.js
new file mode 100644
index 000000000..3e4bca79b
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.2.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.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x >= y returns ToNumber(x) >= ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A3.1_T2.2.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Number (primitive or object) and String (primitive and object)
+ */
+
+//CHECK#1
+if ("1" >= 1 !== true) {
+  $ERROR('#1: "1" >= 1 === true');
+}
+
+//CHECK#2
+if (1 >= "1" !== true) {
+  $ERROR('#2: 1 >= "1" === true');
+}
+
+//CHECK#3
+if (new String("1") >= 1 !== true) {
+  $ERROR('#3: new String("1") >= 1 === true');
+}
+
+//CHECK#4
+if (1 >= new String("1") !== true) {
+  $ERROR('#4: 1 >= new String("1") === true');
+}
+
+//CHECK#5
+if ("1" >= new Number(1) !== true) {
+  $ERROR('#5: "1" >= new Number(1) === true');
+}
+
+//CHECK#6
+if (new Number(1) >= "1" !== true) {
+  $ERROR('#6: new Number(1) >= "1" === true');
+}
+
+//CHECK#7
+if (new String("1") >= new Number(1) !== true) {
+  $ERROR('#7: new String("1") >= new Number(1) === true');
+}
+
+//CHECK#8
+if (new Number(1) >= new String("1") !== true) {
+  $ERROR('#8: new Number(1) >= new String("1") === true');
+}
+
+//CHECK#9
+if ("x" >= 1 !== false) {
+  $ERROR('#9: "x" >= 1 === false');
+}
+
+//CHECK#10
+if (1 >= "x" !== false) {
+  $ERROR('#10: 1 >= "x" === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.3.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.3.js
new file mode 100644
index 000000000..4d0c6b6a9
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.3.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x >= y returns ToNumber(x) >= ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A3.1_T2.3.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Number (primitive or object) and Null
+ */
+
+//CHECK#1
+if (1 >= null !== true) {
+  $ERROR('#1: 1 >= null === true');
+}
+
+//CHECK#2
+if (null >= 1 !== false) {
+  $ERROR('#2: null >= 1 === false');
+}
+
+//CHECK#3
+if (new Number(1) >= null !== true) {
+  $ERROR('#3: new Number(1) >= null === true');
+}
+
+//CHECK#4
+if (null >= new Number(1) !== false) {
+  $ERROR('#4: null >= new Number(1) === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.4.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.4.js
new file mode 100644
index 000000000..f94a78e5a
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.4.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x >= y returns ToNumber(x) >= ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A3.1_T2.4.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Number (primitive or object) and Undefined
+ */
+
+//CHECK#1
+if (1 >= undefined !== false) {
+  $ERROR('#1: 1 >= undefined === false');
+}
+
+//CHECK#2
+if (undefined >= 1 !== false) {
+  $ERROR('#2: undefined >= 1 === false');
+}
+
+//CHECK#3
+if (new Number(1) >= undefined !== false) {
+  $ERROR('#3: new Number(1) >= undefined === false');
+}
+
+//CHECK#4
+if (undefined >= new Number(1) !== false) {
+  $ERROR('#4: undefined >= new Number(1) === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.5.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.5.js
new file mode 100644
index 000000000..5f949872e
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.5.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.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x >= y returns ToNumber(x) >= ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A3.1_T2.5.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between String (primitive or object) and Boolean (primitive and object)
+ */
+
+//CHECK#1
+if (true >= "1" !== true) {
+  $ERROR('#1: true >= "1" === true');
+}
+
+//CHECK#2
+if ("1" >= true !== true) {
+  $ERROR('#2: "1" >= true === true');
+}
+
+//CHECK#3
+if (new Boolean(true) >= "1" !== true) {
+  $ERROR('#3: new Boolean(true) >= "1" === true');
+}
+
+//CHECK#4
+if ("1" >= new Boolean(true) !== true) {
+  $ERROR('#4: "1" >= new Boolean(true) === true');
+}
+
+//CHECK#5
+if (true >= new String("1") !== true) {
+  $ERROR('#5: true >= new String("1") === true');
+}
+
+//CHECK#6
+if (new String("1") >= true !== true) {
+  $ERROR('#6: new String("1") >= true === true');
+}
+
+//CHECK#7
+if (new Boolean(true) >= new String("1") !== true) {
+  $ERROR('#7: new Boolean(true) >= new String("1") === true');
+}
+
+//CHECK#8
+if (new String("1") >= new Boolean(true) !== true) {
+  $ERROR('#8: new String("1") >= new Boolean(true) === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.6.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.6.js
new file mode 100644
index 000000000..ff2ab1820
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.6.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x >= y returns ToNumber(x) >= ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A3.1_T2.6.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between String (primitive or object) and Undefined
+ */
+
+//CHECK#1
+if ("1" >= undefined !== false) {
+  $ERROR('#1: "1" >= undefined === false');
+}
+
+//CHECK#2
+if (undefined >= "1" !== false) {
+  $ERROR('#2: undefined >= "1" === false');
+}
+
+//CHECK#3
+if (new String("1") >= undefined !== false) {
+  $ERROR('#3: new String("1") >= undefined === false');
+}
+
+//CHECK#4
+if (undefined >= new String("1") !== false) {
+  $ERROR('#4: undefined >= new String("1") === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.7.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.7.js
new file mode 100644
index 000000000..10745f98a
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.7.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x >= y returns ToNumber(x) >= ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A3.1_T2.7.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between String (primitive or object) and Null
+ */
+
+//CHECK#1
+if ("1" >= null !== true) {
+  $ERROR('#1: "1" >= null === true');
+}
+
+//CHECK#2
+if (null >= "1" !== false) {
+  $ERROR('#2: null >= "1" === false');
+}
+
+//CHECK#3
+if (new String("1") >= null !== true) {
+  $ERROR('#3: new String("1") >= null === true');
+}
+
+//CHECK#4
+if (null >= new String("1") !== false) {
+  $ERROR('#4: null >= new String("1") === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.8.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.8.js
new file mode 100644
index 000000000..c45874ca8
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.8.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x >= y returns ToNumber(x) >= ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A3.1_T2.8.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Boolean (primitive or object) and Undefined
+ */
+
+//CHECK#1
+if (true >= undefined !== false) {
+  $ERROR('#1: true >= undefined === false');
+}
+
+//CHECK#2
+if (undefined >= true !== false) {
+  $ERROR('#2: undefined >= true === false');
+}
+
+//CHECK#3
+if (new Boolean(true) >= undefined !== false) {
+  $ERROR('#3: new Boolean(true) >= undefined === false');
+}
+
+//CHECK#4
+if (undefined >= new Boolean(true) !== false) {
+  $ERROR('#4: undefined >= new Boolean(true) === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.9.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.9.js
new file mode 100644
index 000000000..8046d5a59
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.1_T2.9.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If Type(Primitive(x)) is not String or Type(Primitive(y)) is not String, then operator x >= y returns ToNumber(x) >= ToNumber(y)
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A3.1_T2.9.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between Boolean (primitive or object) and Null
+ */
+
+//CHECK#1
+if (true >= null !== true) {
+  $ERROR('#1: true >= null === true');
+}
+
+//CHECK#2
+if (null >= true !== false) {
+  $ERROR('#2: null >= true === false');
+}
+
+//CHECK#3
+if (new Boolean(true) >= null !== true) {
+  $ERROR('#3: new Boolean(true) >= null === true');
+}
+
+//CHECK#4
+if (null >= new Boolean(true) !== false) {
+  $ERROR('#4: null >= new Boolean(true) === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.2_T1.1.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.2_T1.1.js
new file mode 100644
index 000000000..d166d3f9b
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.2_T1.1.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.
+
+/**
+ * Operator x >= y returns ToString(x) >= ToString(y), if Type(Primitive(x)) is String and Type(Primitive(y)) is String
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A3.2_T1.1.js
+ * @description Type(Primitive(x)) and Type(Primitive(y)) vary between primitive string and String object
+ */
+
+//CHECK#1
+if ("1" >= "1" !== true) {
+  $ERROR('#1: "1" >= "1" === true');
+}
+
+//CHECK#2
+if (new String("1") >= "1" !== true) {
+  $ERROR('#2: new String("1") >= "1" === true');
+}
+
+//CHECK#3
+if ("1" >= new String("1") !== true) {
+  $ERROR('#3: "1" >= new String("1") === true');
+}
+
+//CHECK#4
+if (new String("1") >= new String("1") !== true) {
+  $ERROR('#4: new String("1") >= new String("1") === true');
+}
+
+//CHECK#5
+if ("x" >= "1" !== true) {
+  $ERROR('#5: "x" >= "1" === true');
+}
+
+//CHECK#6
+if ("1" >= "x" !== false) {
+  $ERROR('#6: "1" >= "x" === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.2_T1.2.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.2_T1.2.js
new file mode 100644
index 000000000..7a981028c
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A3.2_T1.2.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator x >= y returns ToString(x) >= ToString(y), if Type(Primitive(x)) is String and Type(Primitive(y)) is String
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A3.2_T1.2.js
+ * @description Type(Primitive(x)) and Type(Primitive(y)) vary between Object object and Function object
+ */
+
+//CHECK#1
+if (({} >= function(){return 1}) !== ({}.toString() >= function(){return 1}.toString())) {
+  $ERROR('#1: ({} >= function(){return 1}) === ({}.toString() >= function(){return 1}.toString())');
+}
+
+//CHECK#2
+if ((function(){return 1} >= {}) !== (function(){return 1}.toString() >= {}.toString())) {
+  $ERROR('#2: (function(){return 1} >= {}) === (function(){return 1}.toString() >= {}.toString())');
+}
+
+//CHECK#3
+if ((function(){return 1} >= function(){return 1}) !== (function(){return 1}.toString() >= function(){return 1}.toString())) {
+  $ERROR('#3: (function(){return 1} >= function(){return 1}) === (function(){return 1}.toString() >= function(){return 1}.toString())');
+}
+
+//CHECK#4
+if (({} >= {}) !== ({}.toString() >= {}.toString())) {
+  $ERROR('#4: ({} >= {}) === ({}.toString() >= {}.toString())');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.1.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.1.js
new file mode 100644
index 000000000..601f23715
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.1.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.
+
+/**
+ * If x is NaN, return false (if result in 11.8.5 is undefined, return false)
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A4.1.js
+ * @description y is number primitive
+ */
+
+//CHECK#1
+if ((Number.NaN >= 0) !== false) {
+  $ERROR('#1: (NaN >= 0) === false');
+}
+
+//CHECK#2
+if ((Number.NaN >= 1.1) !== false) {
+  $ERROR('#2: (NaN >= 1.1) === false');
+}
+
+//CHECK#3
+if ((Number.NaN >= -1.1) !== false) {
+  $ERROR('#3: (NaN >= -1.1) === false');
+}
+
+//CHECK#4
+if ((Number.NaN >= Number.NaN) !== false) {
+  $ERROR('#4: (NaN >= NaN) === false');
+}
+
+//CHECK#5
+if ((Number.NaN >= Number.POSITIVE_INFINITY) !== false) {
+  $ERROR('#5: (NaN >= +Infinity) === false');
+}
+
+//CHECK#6
+if ((Number.NaN >= Number.NEGATIVE_INFINITY) !== false) {
+  $ERROR('#6: (NaN >= -Infinity) === false');
+}
+
+//CHECK#7
+if ((Number.NaN >= Number.MAX_VALUE) !== false) {
+  $ERROR('#7: (NaN >= Number.MAX_VALUE) === false');
+}
+
+//CHECK#8
+if ((Number.NaN >= Number.MIN_VALUE) !== false) {
+  $ERROR('#8: (NaN >= Number.MIN_VALUE) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.10.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.10.js
new file mode 100644
index 000000000..caaf1fa86
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.10.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.
+
+/**
+ * If x is a prefix of y and x !== y, return false
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A4.10.js
+ * @description x and y are string primitives
+ */
+
+//CHECK#1
+if (("x" >= "x ") !== false) {
+  $ERROR('#1: ("x" >= "x ") === false');
+}
+
+//CHECK#2
+if (("" >= "x") !== false) {
+  $ERROR('#2: ("" >= "x") === false');
+}
+
+//CHECK#3
+if (("ab" >= "abcd") !== false) {
+  $ERROR('#3: ("ab" >= abcd") === false');
+}
+
+//CHECK#4
+if (("abcd" >= "abc\u0064") !== true) {
+  $ERROR('#4: ("abcd" >= abc\\u0064") === true');
+}
+
+//CHECK#5
+if (("x" >= "x" + "y") !== false) {
+  $ERROR('#5: ("x" >= "x" + "y") === false');
+}
+
+//CHECK#6
+var x = "x";
+if ((x >= x + "y") !== false) {
+  $ERROR('#6: var x = "x"; (x >= x + "y") === false');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.11.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.11.js
new file mode 100644
index 000000000..98b792a6d
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.11.js
@@ -0,0 +1,52 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If y is a prefix of x, return true
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A4.11.js
+ * @description x and y are string primitives
+ */
+
+//CHECK#1
+if (("x" >= "x") !== true) {
+  $ERROR('#1: ("x" >= "x") === true');
+}
+
+//CHECK#2
+if (("x" >= "") !== true) {
+  $ERROR('#2: ("x" >= "") === true');
+}
+
+//CHECK#3
+if (("abcd" >= "ab") !== true) {
+  $ERROR('#3: ("abcd" >= ab") === true');
+}
+
+//CHECK#4
+if (("abc\u0064" >= "abcd") !== true) {
+  $ERROR('#4: ("abc\\u0064" >= abc") === true');
+}
+
+//CHECK#5
+if (("x" + "y" >= "x") !== true) {
+  $ERROR('#5: ("x" + "y" >= "x") === true');
+}
+
+//CHECK#6
+var x = "x";
+if ((x + 'y' >= x) !== true) {
+  $ERROR('#6: var x = "x"; (x + "y" >= x) === true');
+}
+
+//CHECK#7
+if (("a\u0000a" >= "a\u0000") !== true) {
+  $ERROR('#7: ("a\\u0000a" >= "a\\u0000") === true');
+}
+
+//CHECK#8
+if ((" x" >= "x") !== false) {
+  $ERROR('#8: (" x" >= "x") === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.12_T1.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.12_T1.js
new file mode 100644
index 000000000..961dc236f
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.12_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.
+
+/**
+ * If neither x, nor y is a prefix of each other, returned result of strings comparison applies a simple lexicographic ordering to the sequences of code point value values
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A4.12_T1.js
+ * @description x and y are string primitives
+ */
+
+//CHECK#1
+if (("xy" >= "xx") !== true) {
+  $ERROR('#1: ("xy" >= "xx") === true');
+}
+
+//CHECK#2
+if (("xx" >= "xy") !== false) {
+  $ERROR('#2: ("xx" >= "xy") === false');
+}
+
+//CHECK#3
+if (("y" >= "x") !== true) {
+  $ERROR('#3: ("y" >= "x") === true');
+}
+
+//CHECK#4
+if (("aba" >= "aab") !== true) {
+  $ERROR('#4: ("aba" >= aab") === true');
+}
+
+//CHECK#5
+if (("\u0061\u0061\u0061\u0061" >= "\u0061\u0061\u0061\u0062") !== false) {
+  $ERROR('#5: ("\\u0061\\u0061\\u0061\\u0061" >= \\u0061\\u0061\\u0061\\u0062") === false');
+}
+
+//CHECK#6
+if (("a\u0000b" >= "a\u0000a") !== true) {
+  $ERROR('#6: ("a\\u0000b" >= "a\\u0000a") === true');
+}
+
+//CHECK#7
+if (("aa" >= "aB") !== true) {
+  $ERROR('#7: ("aa" >= aB") === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.12_T2.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.12_T2.js
new file mode 100644
index 000000000..851e69d49
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.12_T2.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.
+
+/**
+ * If neither x, nor y is a prefix of each other, returned result of strings comparison applies a simple lexicographic ordering to the sequences of code point value values
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A4.12_T2.js
+ * @description x and y are string primitives
+ */
+
+//CHECK#1
+if (("x" >= "0") !== true) {
+  $ERROR('#1: ("x" >= "0") !== true');
+}
+
+//CHECK#2
+if (("0" >= "-") !== true) {
+  $ERROR('#2: ("0" >= "-") !== true');
+}
+
+//CHECK#3
+if (("0" >= ".") !== true) {
+  $ERROR('#3: ("0" >= ".") !== true');
+}
+
+//CHECK#4
+if (("-" >= "+") !== true) {
+  $ERROR('#4: ("-" >= "+") !== true');
+}
+
+//CHECK#5
+if (("-1" >= "-0") !== true) {
+  $ERROR('#5: ("-1" >= "-0") !== true');
+}
+
+//CHECK#6
+if (("-1" >= "+1") !== true) {
+  $ERROR('#6: ("-1" >= "+1") !== true');
+}
+
+//CHECK#7
+if (("1e-10" >= "1") !== true) {
+$ERROR('#7: ("1e-10" >= "1") !== true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.2.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.2.js
new file mode 100644
index 000000000..a10b2ab4e
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.2.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.
+
+/**
+ * If y is NaN, return false (if result in 11.8.5 is undefined, return false)
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A4.2.js
+ * @description x is number primitive
+ */
+
+//CHECK#1
+if ((0 >= Number.NaN) !== false) {
+  $ERROR('#1: (0 >= NaN) === false');
+}
+
+//CHECK#2
+if ((1.1 >= Number.NaN) !== false) {
+  $ERROR('#2: (1.1 >= NaN) === false');
+}
+
+//CHECK#3
+if ((-1.1 >= Number.NaN) !== false) {
+  $ERROR('#3: (-1.1 >= NaN) === false');
+}
+
+//CHECK#4
+if ((Number.NaN >= Number.NaN) !== false) {
+  $ERROR('#4: (NaN >= NaN) === false');
+}
+
+//CHECK#5
+if ((Number.POSITIVE_INFINITY >= Number.NaN) !== false) {
+  $ERROR('#5: (+Infinity >= NaN) === false');
+}
+
+//CHECK#6
+if ((Number.NEGATIVE_INFINITY >= Number.NaN) !== false) {
+  $ERROR('#6: (-Infinity >= NaN) === false');
+}
+
+//CHECK#7
+if ((Number.MAX_VALUE >= Number.NaN) !== false) {
+  $ERROR('#7: (Number.MAX_VALUE >= NaN) === false');
+}
+
+//CHECK#8
+if ((Number.MIN_VALUE >= Number.NaN) !== false) {
+  $ERROR('#8: (Number.MIN_VALUE >= NaN) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.3.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.3.js
new file mode 100644
index 000000000..4169a91bb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.3.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.
+
+/**
+ * If x and y are the same number value, return true
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A4.3.js
+ * @description x and y are number primitives
+ */
+
+//CHECK#1
+if ((1 >= 1) !== true) {
+  $ERROR('#1: (1 >= 1) === true');
+}
+
+//CHECK#2
+if ((1.1 >= 1.1) !== true) {
+  $ERROR('#2: (1.1 >= 1.1) === true');
+}
+
+//CHECK#3
+if ((-1.1 >= -1.1) !== true) {
+  $ERROR('#3: (-1.1 >= -1.1) === true');
+}
+
+//CHECK#4
+if ((Number.NEGATIVE_INFINITY >= Number.NEGATIVE_INFINITY) !== true) {
+  $ERROR('#4: (-Infinity >= -Infinity) === true');
+}
+
+//CHECK#5
+if ((Number.POSITIVE_INFINITY >= Number.POSITIVE_INFINITY) !== true) {
+  $ERROR('#5: (+Infinity >= +Infinity) === true');
+}
+
+//CHECK#6
+if ((Number.MAX_VALUE >= Number.MAX_VALUE) !== true) {
+  $ERROR('#6: (Number.MAX_VALUE >= Number.MAX_VALUE) === true');
+}
+
+//CHECK#7
+if ((Number.MIN_VALUE >= Number.MIN_VALUE) !== true) {
+  $ERROR('#7: (Number.MIN_VALUE >= Number.MIN_VALUE) === true');
+}
+
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.4.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.4.js
new file mode 100644
index 000000000..3abe7fa77
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.4.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.
+
+/**
+ * If either x or y is +0 and the other is -0, return true
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A4.4.js
+ * @description Checking all combinations
+ */
+
+//CHECK#1
+if ((0 >= 0) !== true) {
+  $ERROR('#1: (0 >= 0) === true');
+}
+
+//CHECK#2
+if ((-0 >= -0) !== true) {
+  $ERROR('#2: (-0 >= -0) === true');
+}
+
+//CHECK#3
+if ((+0 >= -0) !== true) {
+  $ERROR('#3: (+0 >= -0) === true');
+}
+
+//CHECK#4
+if ((-0 >= +0) !== true) {
+  $ERROR('#4: (-0 >= +0) === true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.5.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.5.js
new file mode 100644
index 000000000..e0357fee2
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.5.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.
+
+/**
+ * If x is +Infinity, return true
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A4.5.js
+ * @description y is number primitive
+ */
+
+//CHECK#1
+if ((Number.POSITIVE_INFINITY >= 0) !== true) {
+  $ERROR('#1: (+Infinity >= 0) === true');
+}
+
+//CHECK#2
+if ((Number.POSITIVE_INFINITY >= 1.1) !== true) {
+  $ERROR('#2: (+Infinity >= 1.1) === true');
+}
+
+//CHECK#3
+if ((Number.POSITIVE_INFINITY >= -1.1) !== true) {
+  $ERROR('#3: (+Infinity >= -1.1) === true');
+}
+
+//CHECK#4
+if ((Number.POSITIVE_INFINITY >= Number.NEGATIVE_INFINITY) !== true) {
+  $ERROR('#4: (+Infinity >= -Infinity) === true');
+}
+
+//CHECK#5
+if ((Number.POSITIVE_INFINITY >= Number.MAX_VALUE) !== true) {
+  $ERROR('#5: (+Infinity >= Number.MAX_VALUE) === true');
+}
+
+//CHECK#6
+if ((Number.POSITIVE_INFINITY >= Number.MIN_VALUE) !== true) {
+  $ERROR('#6: (+Infinity >= Number.MIN_VALUE) === true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.6.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.6.js
new file mode 100644
index 000000000..b1f898a14
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.6.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.
+
+/**
+ * If y is +Infinity and x !== y, return false
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A4.6.js
+ * @description x is number primitive
+ */
+
+//CHECK#1
+if ((0 >= Number.POSITIVE_INFINITY) !== false) {
+  $ERROR('#1: (0 >= +Infinity) === false');
+}
+
+//CHECK#2
+if ((1.1 >= Number.POSITIVE_INFINITY) !== false) {
+  $ERROR('#2: (1.1 >= +Infinity) === false');
+}
+
+//CHECK#3
+if ((-1.1 >= Number.POSITIVE_INFINITY) !== false) {
+  $ERROR('#3: (-1.1 >= +Infinity) === false');
+}
+
+//CHECK#4
+if ((Number.NEGATIVE_INFINITY >= Number.POSITIVE_INFINITY) !== false) {
+  $ERROR('#4: (-Infinity >= +Infinity) === false');
+}
+
+//CHECK#5
+if ((Number.MAX_VALUE >= Number.POSITIVE_INFINITY) !== false) {
+  $ERROR('#5: (Number.MAX_VALUE >= +Infinity) === false');
+}
+
+//CHECK#6
+if ((Number.MIN_VALUE >= Number.POSITIVE_INFINITY) !== false) {
+  $ERROR('#6: (Number.MIN_VALUE >= +Infinity) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.7.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.7.js
new file mode 100644
index 000000000..6a423b834
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.7.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.
+
+/**
+ * If x is -Infinity and x !== y, return false
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A4.7.js
+ * @description y is number primitive
+ */
+
+//CHECK#1
+if ((Number.NEGATIVE_INFINITY >= 0) !== false) {
+  $ERROR('#1: (-Infinity >= 0) === false');
+}
+
+//CHECK#2
+if ((Number.NEGATIVE_INFINITY >= 1.1) !== false) {
+  $ERROR('#2: (-Infinity >= 1.1) === false');
+}
+
+//CHECK#3
+if ((Number.NEGATIVE_INFINITY >= -1.1) !== false) {
+  $ERROR('#3: (-Infinity >= -1.1) === false');
+}
+
+//CHECK#4
+if ((Number.NEGATIVE_INFINITY >= Number.POSITIVE_INFINITY) !== false) {
+  $ERROR('#4: (-Infinity >= +Infinity) === false');
+}
+
+//CHECK#5
+if ((Number.NEGATIVE_INFINITY >= Number.MAX_VALUE) !== false) {
+  $ERROR('#5: (-Infinity >= Number.MAX_VALUE) === false');
+}
+
+//CHECK#6
+if ((Number.NEGATIVE_INFINITY >= Number.MIN_VALUE) !== false) {
+  $ERROR('#6: (-Infinity >= Number.MIN_VALUE) === false');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.8.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.8.js
new file mode 100644
index 000000000..ce00360b3
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.8.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.
+
+/**
+ * If y is -Infinity, return true
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A4.8.js
+ * @description x is number primitive
+ */
+
+//CHECK#1
+if ((0 >= Number.NEGATIVE_INFINITY) !== true) {
+  $ERROR('#1: (0 >= -Infinity) === true');
+}
+
+//CHECK#2
+if ((1.1 >= Number.NEGATIVE_INFINITY) !== true) {
+  $ERROR('#2: (1.1 >= -Infinity) === true');
+}
+
+//CHECK#3
+if ((-1.1 >= Number.NEGATIVE_INFINITY) !== true) {
+  $ERROR('#3: (-1.1 >= -Infinity) === true');
+}
+
+//CHECK#4
+if ((Number.POSITIVE_INFINITY >= Number.NEGATIVE_INFINITY) !== true) {
+  $ERROR('#4: (+Infinity >= -Infinity) === true');
+}
+
+//CHECK#5
+if ((Number.MAX_VALUE >= Number.NEGATIVE_INFINITY) !== true) {
+  $ERROR('#5: (Number.MAX_VALUE >= -Infinity) === true');
+}
+
+//CHECK#6
+if ((Number.MIN_VALUE >= Number.NEGATIVE_INFINITY) !== true) {
+  $ERROR('#6: (Number.MIN_VALUE >= -Infinity) === true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.9.js b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.9.js
new file mode 100644
index 000000000..116d934ef
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/S11.8.4_A4.9.js
@@ -0,0 +1,52 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If x is greater or equal than y and these values are both finite non-zero, return true; otherwise, return false
+ *
+ * @path ch11/11.8/11.8.4/S11.8.4_A4.9.js
+ * @description x and y are number primitives
+ */
+
+//CHECK#1
+if ((1 >= 1.1) !== false) {
+  $ERROR('#1: (1 >= 1.1) === false');
+}
+
+//CHECK#2
+if ((1.1 >= 1) !== true) {
+  $ERROR('#2: (1.1 >= 1) === true');
+}
+
+//CHECK#3
+if ((-1 >= -1.1) !== true) {
+  $ERROR('#3: (-1 >= -1.1) === true');
+}
+
+//CHECK#4
+if ((-1.1 >= -1) !== false) {
+  $ERROR('#4: (-1.1 >= -1) === false');
+}
+
+//CHECK#5
+if ((0.1 >= 0) !== true) {
+  $ERROR('#5: (0.1 >= 0) === true');
+}
+
+//CHECK#6
+if ((0 >= -0.1) !== true) {
+  $ERROR('#6: (0 >= -0.1) === true');
+}
+
+//CHECK#7
+if ((Number.MAX_VALUE >= Number.MAX_VALUE/2) !== true) {
+  $ERROR('#7: (Number.MAX_VALUE >= Number.MAX_VALUE/2) === true');
+}
+
+//CHECK#8
+if ((Number.MIN_VALUE*2 >= Number.MIN_VALUE) !== true) {
+  $ERROR('#8: (Number.MIN_VALUE*2 >= Number.MIN_VALUE) === true');
+}
+
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/browser.js b/js/src/tests/test262/ch11/11.8/11.8.4/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/browser.js
diff --git a/js/src/tests/test262/ch11/11.8/11.8.4/shell.js b/js/src/tests/test262/ch11/11.8/11.8.4/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.4/shell.js
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A1.js b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A1.js
new file mode 100644
index 000000000..282b9fda4
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_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 RelationalExpression and "instanceof" and between "instanceof" and ShiftExpression are allowed
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A1.js
+ * @description Checking by using eval
+ */
+
+//CHECK#1
+if (eval("({})\u0009instanceof\u0009Object") !== true) {
+  $ERROR('#1: ({})\\u0009instanceof\\u0009Object === true');
+}
+
+//CHECK#2
+if (eval("({})\u000Binstanceof\u000BObject") !== true) {
+  $ERROR('#2: ({})\\u000Binstanceof\\u000BObject === true');  
+}
+
+//CHECK#3
+if (eval("({})\u000Cinstanceof\u000CObject") !== true) {
+  $ERROR('#3: ({})\\u000Cinstanceof\\u000CObject === true');
+}
+
+//CHECK#4
+if (eval("({})\u0020instanceof\u0020Object") !== true) {
+  $ERROR('#4: ({})\\u0020instanceof\\u0020Object === true');
+}
+
+//CHECK#5
+if (eval("({})\u00A0instanceof\u00A0Object") !== true) {
+  $ERROR('#5: ({})\\u00A0instanceof\\u00A0Object === true');
+}
+
+//CHECK#6
+if (eval("({})\u000Ainstanceof\u000AObject") !== true) {
+  $ERROR('#6: ({})\\u000Ainstanceof\\u000AObject === true');  
+}
+
+//CHECK#7
+if (eval("({})\u000Dinstanceof\u000DObject") !== true) {
+  $ERROR('#7: ({})\\u000Dinstanceof\\u000DObject === true');
+}
+
+//CHECK#8
+if (eval("({})\u2028instanceof\u2028Object") !== true) {
+  $ERROR('#8: ({})\\u2028instanceof\\u2028Object === true');
+}
+
+//CHECK#9
+if (eval("({})\u2029instanceof\u2029Object") !== true) {
+  $ERROR('#9: ({})\\u2029instanceof\\u2029Object === true');
+}
+
+//CHECK#10
+if (eval("({})\u0009\u000B\u000C\u0020\u00A0\u000A\u000D\u2028\u2029instanceof\u0009\u000B\u000C\u0020\u00A0\u000A\u000D\u2028\u2029Object") !== true) {
+  $ERROR('#10: ({})\\u0009\\u000B\\u000C\\u0020\\u00A0\\u000A\\u000D\\u2028\\u2029instanceof\\u0009\\u000B\\u000C\\u0020\\u00A0\\u000A\\u000D\\u2028\\u2029Object === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A2.1_T1.js b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A2.1_T1.js
new file mode 100644
index 000000000..e7a31658c
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A2.1_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.
+
+/**
+ * Operator "instanceof" uses GetValue
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A2.1_T1.js
+ * @description Either Expression is not Reference or GetBase is not null
+ */
+
+//CHECK#1
+if (({}) instanceof Object !== true) {
+  $ERROR('#1: ({}) instanceof Object === true');
+}
+
+//CHECK#2
+var object = {};
+if (object instanceof Object !== true) {
+  $ERROR('#2: var object = {}; object instanceof Object === true');
+}
+
+//CHECK#3
+var OBJECT = Object;
+if (({}) instanceof OBJECT !== true) {
+  $ERROR('#3: var OBJECT = Object; ({}) instanceof OBJECT === true');
+}
+
+//CHECK#4
+var object = {};
+var OBJECT = Object;
+if (object instanceof OBJECT !== true) {
+  $ERROR('#4: var object = {}; var OBJECT = Object; object instanceof OBJECT === true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A2.1_T2.js b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A2.1_T2.js
new file mode 100644
index 000000000..9477b0b5d
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_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 "instanceof" uses GetValue
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A2.1_T2.js
+ * @description If GetBase(RelationalExpression) is null, throw ReferenceError
+ */
+
+//CHECK#1
+try {
+  object instanceof Object;
+  $ERROR('#1.1: object instanceof Object throw ReferenceError. Actual: ' + (object instanceof Object));  
+}
+catch (e) {
+  if ((e instanceof ReferenceError) !== true) {
+    $ERROR('#1.2: object instanceof Object throw ReferenceError. Actual: ' + (e));  
+  }
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A2.1_T3.js b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A2.1_T3.js
new file mode 100644
index 000000000..bb0a094ce
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A2.1_T3.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 "instanceof" uses GetValue
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A2.1_T3.js
+ * @description If GetBase(ShiftExpression) is null, throw ReferenceError
+ */
+
+//CHECK#1
+try {
+  ({}) instanceof OBJECT;
+  $ERROR('#1.1: ({}) instanceof OBJECT throw ReferenceError. Actual: ' + (({}) instanceof OBJECT));  
+}
+catch (e) {
+  if ((e instanceof ReferenceError) !== true) {
+    $ERROR('#1.2: ({}) instanceof OBJECT throw ReferenceError. Actual: ' + (e));  
+  }
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A2.4_T1.js b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A2.4_T1.js
new file mode 100644
index 000000000..957c99b3b
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A2.4_T1.js
@@ -0,0 +1,23 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * First expression is evaluated first, and then second expression
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A2.4_T1.js
+ * @description Checking with "="
+ */
+
+//CHECK#1 
+var OBJECT = 0;
+if ((OBJECT = Object, {}) instanceof OBJECT !== true) {
+  $ERROR('#1: var OBJECT = 0; (OBJECT = Object, {}) instanceof OBJECT === true');
+}
+
+//CHECK#2
+var object = {}; 
+if (object instanceof (object = 0, Object) !== true) {
+  $ERROR('#2: var object = {};  object instanceof (object = 0, Object) === true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A2.4_T2.js b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A2.4_T2.js
new file mode 100644
index 000000000..5f87c4342
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A2.4_T2.js
@@ -0,0 +1,26 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * First expression is evaluated first, and then second expression
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A2.4_T2.js
+ * @description Checking with "throw"
+ */
+
+//CHECK#1
+var x = function () { throw "x"; };
+var y = function () { throw "y"; };
+try {
+   x() instanceof y();
+   $ERROR('#1.1: var x = function () { throw "x"; }; var y = function () { throw "y"; }; x() instanceof y() throw "x". Actual: ' + (x() instanceof y()));
+} catch (e) {
+   if (e === "y") {
+     $ERROR('#1.2: First expression is evaluated first, and then second expression');
+   } else {
+     if (e !== "x") {
+       $ERROR('#1.3: var x = function () { throw "x"; }; var y = function () { throw "y"; }; x() instanceof y() throw "x". Actual: ' + (e));
+     }
+   }
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A2.4_T3.js b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A2.4_T3.js
new file mode 100644
index 000000000..06ef16073
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A2.4_T3.js
@@ -0,0 +1,27 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * First expression is evaluated first, and then second expression
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A2.4_T3.js
+ * @description Checking with undeclarated variables
+ */
+
+//CHECK#1
+try {
+  object instanceof (object = {}, Object);
+  $ERROR('#1.1: object instanceof (object = {}, Object) throw ReferenceError. Actual: ' + (object instanceof (object = {}, Object)));  
+}
+catch (e) {
+  if ((e instanceof ReferenceError) !== true) {
+    $ERROR('#1.2: object instanceof (object = {}, Object) throw ReferenceError. Actual: ' + (e));  
+  }
+}
+
+//CHECK#2
+if ((OBJECT = Object, {}) instanceof OBJECT !== true) {
+  $ERROR('#2: (OBJECT = Object, {}) instanceof OBJECT !== true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A3.js b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A3.js
new file mode 100644
index 000000000..da3d7e5dc
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A3.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.
+
+/**
+ * If ShiftExpression is not an object, throw TypeError
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A3.js
+ * @description Checking all the types of primitives
+ */
+
+//CHECK#1
+try {
+  true instanceof true;
+  $ERROR('#1: true instanceof true throw TypeError');  
+}
+catch (e) {
+  if (e instanceof TypeError !== true) {
+    $ERROR('#1: true instanceof true throw TypeError');  
+  }
+}
+
+//CHECK#2
+try {
+  1 instanceof 1;
+  $ERROR('#2: 1 instanceof 1 throw TypeError');  
+}
+catch (e) {
+  if (e instanceof TypeError !== true) {
+    $ERROR('#2: 1 instanceof 1 throw TypeError');  
+  }
+}
+
+//CHECK#3
+try {
+  "string" instanceof "string";
+  $ERROR('#3: "string" instanceof "string" throw TypeError');  
+}
+catch (e) {
+  if (e instanceof TypeError !== true) {
+    $ERROR('#3: "string" instanceof "string" throw TypeError');  
+  }
+}
+
+//CHECK#4
+try {
+  undefined instanceof undefined;
+  $ERROR('#4: undefined instanceof undefined throw TypeError');  
+}
+catch (e) {
+  if (e instanceof TypeError !== true) {
+    $ERROR('#4: undefined instanceof undefined throw TypeError');  
+  }
+}
+
+//CHECK#5
+try {
+  null instanceof null;
+  $ERROR('#5: null instanceof null throw TypeError');  
+}
+catch (e) {
+  if (e instanceof TypeError !== true) {
+    $ERROR('#5: null instanceof null throw TypeError');  
+  }
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A4_T1.js b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A4_T1.js
new file mode 100644
index 000000000..0f9d2319d
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A4_T1.js
@@ -0,0 +1,26 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Only constructor call (with "new" keyword) makes instance
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A4_T1.js
+ * @description Checking Boolean case
+ */
+
+//CHECK#1
+if (false instanceof Boolean) {
+	$ERROR('#1: false is not instanceof Boolean');
+}
+
+//CHECK#2
+if (Boolean(false) instanceof Boolean) {
+	$ERROR('#2: Boolean(false) is not instanceof Boolean');
+}
+
+//CHECK#3
+if (new Boolean instanceof Boolean !== true) {
+	$ERROR('#3: new Boolean instanceof Boolean');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A4_T2.js b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A4_T2.js
new file mode 100644
index 000000000..a4f1f3c02
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A4_T2.js
@@ -0,0 +1,26 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Only constructor call (with "new" keyword) makes instance
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A4_T2.js
+ * @description Checking Number case
+ */
+
+//CHECK#1
+if (0 instanceof Number) {
+	$ERROR('#1: 0 is not instanceof Number');
+}
+
+//CHECK#2
+if (Number(0) instanceof Number) {
+	$ERROR('#2: Number(0) is not instanceof Number');
+}
+
+//CHECK#3
+if (new Number instanceof Number !== true) {
+	$ERROR('#3: new Number instanceof Number');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A4_T3.js b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A4_T3.js
new file mode 100644
index 000000000..c8220049c
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A4_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.
+
+/**
+ * Only constructor call (with "new" keyword) makes instance
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A4_T3.js
+ * @description Checking String case
+ */
+
+//CHECK#1
+if ("" instanceof String) {
+	$ERROR('#1: "" is not instanceof String');
+}
+
+//CHECK#2
+if (String("") instanceof String) {
+	$ERROR('#2: String("") is not instanceof String');
+}
+
+//CHECK#3
+if (new String instanceof String !== true) {
+	$ERROR('#3: new String instanceof String');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A5_T1.js b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A5_T1.js
new file mode 100644
index 000000000..66d61034c
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A5_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.
+
+/**
+ * TypeError is subclass of Error from instanceof operator point of view
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A5_T1.js
+ * @description Checking Error case
+ */
+
+var __err = new Error;
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if (!(__err instanceof Error)) {
+	$ERROR('#1: TypeError is subclass of Error from instanceof operator poit of view');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if (__err instanceof TypeError) {
+	$ERROR('#2: TypeError is subclass of Error from instanceof operator poit of view');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+var err__ = Error('failed');
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if (!(err__ instanceof Error)) {
+	$ERROR('#3: TypeError is subclass of Error from instanceof operator poit of view');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#4
+if (err__ instanceof TypeError) {
+	$ERROR('#4: TypeError is subclass of Error from instanceof operator poit of view');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A5_T2.js b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A5_T2.js
new file mode 100644
index 000000000..340f09ff4
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A5_T2.js
@@ -0,0 +1,36 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * TypeError is subclass of Error from instanceof operator point of view
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A5_T2.js
+ * @description Checking TypeError case
+ */
+
+var __t__err = new TypeError;
+
+//CHECK#1
+if (!(__t__err instanceof Error)) {
+	$ERROR('#1: TypeError is subclass of Error from instanceof operator poit of view');
+}
+
+//CHECK#2
+if (!(__t__err instanceof TypeError)) {
+	$ERROR('#2: TypeError is subclass of Error from instanceof operator poit of view');
+}
+
+//////////////////////////////////////////////////////////////////////////////
+var err__t__ = TypeError('failed');
+
+//CHECK#3
+if (!(err__t__ instanceof Error)) {
+	$ERROR('#3: TypeError is subclass of Error from instanceof operator poit of view');
+}
+
+//CHECK#4
+if (!(err__t__ instanceof TypeError)) {
+	$ERROR('#4: TypeError is subclass of Error from instanceof operator poit of view');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A6_T1.js b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A6_T1.js
new file mode 100644
index 000000000..16e0d82b3
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A6_T1.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.
+
+/**
+ * Only Function objects implement [[HasInstance]] and can be proper ShiftExpression for the "instanceof" operator consequently
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A6_T1.js
+ * @description Checking "this" case
+ */
+
+//CHECK#1
+try{
+	({}) instanceof this;
+	$ERROR('#1: Only Function objects implement [[HasInstance]] and consequently can be proper ShiftExpression for The instanceof operator');
+}
+catch(e){
+  if (e instanceof TypeError !== true) {
+    $ERROR('#1: Only Function objects implement [[HasInstance]] and consequently can be proper ShiftExpression for The instanceof operator');
+  }
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A6_T2.js b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A6_T2.js
new file mode 100644
index 000000000..f25dbed82
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A6_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.
+
+/**
+ * Only Function objects implement [[HasInstance]] and can be proper ShiftExpression for the "instanceof" operator consequently
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A6_T2.js
+ * @description Checking Math case
+ */
+
+//CHECK#1
+try{
+	1 instanceof Math;
+	$ERROR('#1: 1 instanceof Math throw TypeError');
+}
+catch(e){
+  if (e  instanceof TypeError !== true) { 
+    $ERROR('#1: 1 instanceof Math throw TypeError');
+  }  
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A6_T3.js b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A6_T3.js
new file mode 100644
index 000000000..24773ad97
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A6_T3.js
@@ -0,0 +1,27 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Only Function objects implement [[HasInstance]] and can be proper ShiftExpression for the "instanceof" operator consequently
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A6_T3.js
+ * @description Checking if RelationalExpression is function
+ */
+
+function MyFunct(){return 0};
+
+//CHECK#1
+if (MyFunct instanceof MyFunct){
+	$ERROR('#1 function MyFunct(){return 0}; MyFunct instanceof MyFunct === false');
+}
+
+//CHECK#2
+if (MyFunct instanceof Function !== true){
+	$ERROR('#2 function MyFunct(){return 0}; MyFunct instanceof Function === true');
+}
+
+//CHECK#3
+if (MyFunct instanceof Object !== true){
+	$ERROR('#3 function MyFunct(){return 0}; MyFunct instanceof Object === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A6_T4.js b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A6_T4.js
new file mode 100644
index 000000000..68aa843e8
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A6_T4.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.
+
+/**
+ * Only Function objects implement [[HasInstance]] and can be proper ShiftExpression for the "instanceof" operator consequently
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A6_T4.js
+ * @description Checking if RelationalExpression is object
+ */
+
+MyFunct = function(){};
+__my__funct = new MyFunct;
+
+
+//CHECK#1
+if (!(__my__funct instanceof MyFunct)){
+	$ERROR('#1 Only Function objects implement [[HasInstance]] and consequently can be proper ShiftExpression for The instanceof operator');
+}
+
+//CHECK#2
+if (__my__funct instanceof Function){
+	$ERROR('#2 Only Function objects implement [[HasInstance]] and consequently can be proper ShiftExpression for The instanceof operator');
+}
+
+//CHECK#3
+if (!(__my__funct instanceof Object)){
+	$ERROR('#3 Only Function objects implement [[HasInstance]] and consequently can be proper ShiftExpression for The instanceof operator');
+}
+
+//CHECK#4
+try{
+	__my__funct instanceof __my__funct;
+	$ERROR('#4 Only Function objects implement [[HasInstance]] and consequently can be proper ShiftExpression for The instanceof operator');
+}
+catch(e){  
+	if (e instanceof TypeError !== true) {
+      $ERROR('#4 Only Function objects implement [[HasInstance]] and consequently can be proper ShiftExpression for The instanceof operator');
+	}
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A7_T1.js b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A7_T1.js
new file mode 100644
index 000000000..97944a5fd
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A7_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.
+
+/**
+ * When "instanceof" returns true it means that GetValue(RelationalExpression) is constructed with ShiftExpression
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A7_T1.js
+ * @description Checking Object object
+ */
+
+var __obj={};
+
+//CHECK#1
+if (!(__obj instanceof Object)) {
+	$ERROR('#1: If instanceof returns true then GetValue(RelationalExpression) was constructed with ShiftExpression');
+}
+
+//CHECK#2
+if (__obj.constructor !== Object) {
+	$ERROR('#2: If instanceof returns true then GetValue(RelationalExpression) was constructed with ShiftExpression');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A7_T2.js b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A7_T2.js
new file mode 100644
index 000000000..c77c93c18
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A7_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.
+
+/**
+ * When "instanceof" returns true it means that GetValue(RelationalExpression) is constructed with ShiftExpression
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A7_T2.js
+ * @description Checking Array object
+ */
+
+var __arr=[];
+
+//CHECK#1
+if (!(__arr instanceof Array)) {
+	$ERROR('#1: If instanceof returns true then GetValue(RelationalExpression) was constructed with ShiftExpression');
+}
+
+//CHECK#2
+if (__arr.constructor !== Array) {
+	$ERROR('#2: If instanceof returns true then GetValue(RelationalExpression) was constructed with ShiftExpression');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A7_T3.js b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A7_T3.js
new file mode 100644
index 000000000..8d476a8ad
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/S11.8.6_A7_T3.js
@@ -0,0 +1,23 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * When "instanceof" returns true it means that GetValue(RelationalExpression) is constructed with ShiftExpression
+ *
+ * @path ch11/11.8/11.8.6/S11.8.6_A7_T3.js
+ * @description Checking Function object
+ */
+
+var __func = new Function;
+
+//CHECK#1
+if (!(__func instanceof Function)) {
+	$ERROR('#1: If instanceof returns true then GetValue(RelationalExpression) was constructed with ShiftExpression');
+}
+
+//CHECK#2
+if (__func.constructor !== Function) {
+	$ERROR('#2: If instanceof returns true then GetValue(RelationalExpression) was constructed with ShiftExpression');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/browser.js b/js/src/tests/test262/ch11/11.8/11.8.6/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/browser.js
diff --git a/js/src/tests/test262/ch11/11.8/11.8.6/shell.js b/js/src/tests/test262/ch11/11.8/11.8.6/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.6/shell.js
diff --git a/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A1.js b/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A1.js
new file mode 100644
index 000000000..93c67bfcc
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_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 RelationalExpression and "in" and between "in" and ShiftExpression are allowed
+ *
+ * @path ch11/11.8/11.8.7/S11.8.7_A1.js
+ * @description Checking by using eval
+ */
+
+//CHECK#1
+if (eval("'MAX_VALUE'\u0009in\u0009Number") !== true) {
+  $ERROR('#1: "MAX_VALUE"\\u0009in\\u0009Number === true');
+}
+
+//CHECK#2
+if (eval("'MAX_VALUE'\u000Bin\u000BNumber") !== true) {
+  $ERROR('#2: "MAX_VALUE"\\u000Bin\\u000BNumber === true');  
+}
+
+//CHECK#3
+if (eval("'MAX_VALUE'\u000Cin\u000CNumber") !== true) {
+  $ERROR('#3: "MAX_VALUE"\\u000Cin\\u000CNumber === true');
+}
+
+//CHECK#4
+if (eval("'MAX_VALUE'\u0020in\u0020Number") !== true) {
+  $ERROR('#4: "MAX_VALUE"\\u0020in\\u0020Number === true');
+}
+
+//CHECK#5
+if (eval("'MAX_VALUE'\u00A0in\u00A0Number") !== true) {
+  $ERROR('#5: "MAX_VALUE"\\u00A0in\\u00A0Number === true');
+}
+
+//CHECK#6
+if (eval("'MAX_VALUE'\u000Ain\u000ANumber") !== true) {
+  $ERROR('#6: "MAX_VALUE"\\u000Ain\\u000ANumber === true');  
+}
+
+//CHECK#7
+if (eval("'MAX_VALUE'\u000Din\u000DNumber") !== true) {
+  $ERROR('#7: "MAX_VALUE"\\u000Din\\u000DNumber === true');
+}
+
+//CHECK#8
+if (eval("'MAX_VALUE'\u2028in\u2028Number") !== true) {
+  $ERROR('#8: "MAX_VALUE"\\u2028in\\u2028Number === true');
+}
+
+//CHECK#9
+if (eval("'MAX_VALUE'\u2029in\u2029Number") !== true) {
+  $ERROR('#9: "MAX_VALUE"\\u2029in\\u2029Number === true');
+}
+
+//CHECK#10
+if (eval("'MAX_VALUE'\u0009\u000B\u000C\u0020\u00A0\u000A\u000D\u2028\u2029in\u0009\u000B\u000C\u0020\u00A0\u000A\u000D\u2028\u2029Number") !== true) {
+  $ERROR('#10: "MAX_VALUE"\\u0009\\u000B\\u000C\\u0020\\u00A0\\u000A\\u000D\\u2028\\u2029in\\u0009\\u000B\\u000C\\u0020\\u00A0\\u000A\\u000D\\u2028\\u2029Number === true');
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A2.1_T1.js b/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A2.1_T1.js
new file mode 100644
index 000000000..0e33a3d02
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A2.1_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.
+
+/**
+ * Operator "in" uses GetValue
+ *
+ * @path ch11/11.8/11.8.7/S11.8.7_A2.1_T1.js
+ * @description Either Expression is not Reference or GetBase is not null
+ */
+
+//CHECK#1
+if ("MAX_VALUE" in Number !== true) {
+  $ERROR('#1: "MAX_VALUE" in Number === true');
+}
+
+//CHECK#2
+var x = "MAX_VALUE";
+if (x in Number !== true) {
+  $ERROR('#2: var x = "MAX_VALUE"; x in Number === true');
+}
+
+//CHECK#3
+var y = Number;
+if ("MAX_VALUE" in  y !== true) {
+  $ERROR('#3: var y = Number; "MAX_VALUE" in y === true');
+}
+
+//CHECK#4
+var x = "MAX_VALUE";
+var y = Number;
+if (x in y !== true) {
+  $ERROR('#4: var x = "MAX_VALUE"; var y = Number; x in y === true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A2.1_T2.js b/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A2.1_T2.js
new file mode 100644
index 000000000..307b23b83
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_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 "in" uses GetValue
+ *
+ * @path ch11/11.8/11.8.7/S11.8.7_A2.1_T2.js
+ * @description If GetBase(RelationalExpression) is null, throw ReferenceError
+ */
+
+//CHECK#1
+try {
+  MAX_VALUE in Number;
+  $ERROR('#1.1: MAX_VALUE in Number throw ReferenceError. Actual: ' + (MAX_VALUE in Number));  
+}
+catch (e) {
+  if ((e instanceof ReferenceError) !== true) {
+    $ERROR('#1.2: MAX_VALUE in Number throw ReferenceError. Actual: ' + (e));  
+  }
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A2.1_T3.js b/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A2.1_T3.js
new file mode 100644
index 000000000..89f69661a
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A2.1_T3.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 "in" uses GetValue
+ *
+ * @path ch11/11.8/11.8.7/S11.8.7_A2.1_T3.js
+ * @description If GetBase(ShiftExpression) is null, throw ReferenceError
+ */
+
+//CHECK#1
+try {
+  "MAX_VALUE" in NUMBER;
+  $ERROR('#1.1: "MAX_VALUE" in NUMBER throw ReferenceError. Actual: ' + ("MAX_VALUE" in NUMBER));  
+}
+catch (e) {
+  if ((e instanceof ReferenceError) !== true) {
+    $ERROR('#1.2: "MAX_VALUE" in NUMBER throw ReferenceError. Actual: ' + (e));  
+  }
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A2.4_T1.js b/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A2.4_T1.js
new file mode 100644
index 000000000..5403131ae
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A2.4_T1.js
@@ -0,0 +1,23 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * First expression is evaluated first, and then second expression
+ *
+ * @path ch11/11.8/11.8.7/S11.8.7_A2.4_T1.js
+ * @description Checking with "="
+ */
+
+//CHECK#1 
+var NUMBER = 0;
+if ((NUMBER = Number, "MAX_VALUE") in NUMBER !== true) {
+  $ERROR('#1: var NUMBER = 0; (NUMBER = Number, "MAX_VALUE") in NUMBER === true');
+}
+
+//CHECK#2
+var max_value = "MAX_VALUE"; 
+if (max_value in (max_value = "none", Number) !== true) {
+  $ERROR('#2: var max_value = "MAX_VALUE"; max_value in (max_value = "none", Number) === true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A2.4_T2.js b/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A2.4_T2.js
new file mode 100644
index 000000000..3016c2278
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A2.4_T2.js
@@ -0,0 +1,26 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * First expression is evaluated first, and then second expression
+ *
+ * @path ch11/11.8/11.8.7/S11.8.7_A2.4_T2.js
+ * @description Checking with "throw"
+ */
+
+//CHECK#1
+var x = function () { throw "x"; };
+var y = function () { throw "y"; };
+try {
+   x() in y();
+   $ERROR('#1.1: var x = function () { throw "x"; }; var y = function () { throw "y"; }; x() in y() throw "x". Actual: ' + (x() in y()));
+} catch (e) {
+   if (e === "y") {
+     $ERROR('#1.2: First expression is evaluated first, and then second expression');
+   } else {
+     if (e !== "x") {
+       $ERROR('#1.3: var x = function () { throw "x"; }; var y = function () { throw "y"; }; x() in y() throw "x". Actual: ' + (e));
+     }
+   }
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A2.4_T3.js b/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A2.4_T3.js
new file mode 100644
index 000000000..22744621a
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A2.4_T3.js
@@ -0,0 +1,27 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * First expression is evaluated first, and then second expression
+ *
+ * @path ch11/11.8/11.8.7/S11.8.7_A2.4_T3.js
+ * @description Checking with undeclarated variables
+ */
+
+//CHECK#1
+try {
+  max_value in (max_value = "MAX_VALUE", Number);
+  $ERROR('#1.1: max_value in (max_value = "MAX_VALUE", Number) throw ReferenceError. Actual: ' + (max_value in (max_value = "MAX_VALUE", Number)));  
+}
+catch (e) {
+  if ((e instanceof ReferenceError) !== true) {
+    $ERROR('#1.2: max_value in (max_value = "MAX_VALUE", Number) throw ReferenceError. Actual: ' + (e));  
+  }
+}
+
+//CHECK#2
+if ((NUMBER = Number, "MAX_VALUE") in NUMBER !== true) {
+  $ERROR('#2: (NUMBER = Number, "MAX_VALUE") in NUMBER !== true');
+}
+
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A3.js b/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A3.js
new file mode 100644
index 000000000..56dc73198
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A3.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.
+
+/**
+ * If ShiftExpression is not an object, throw TypeError
+ *
+ * @path ch11/11.8/11.8.7/S11.8.7_A3.js
+ * @description Checking all the types of primitives
+ */
+
+//CHECK#1
+try {
+  "toString" in true;
+  $ERROR('#1: "toString" in true throw TypeError');  
+}
+catch (e) {
+  if ((e instanceof TypeError) !== true) {
+    $ERROR('#1: "toString" in true throw TypeError');  
+  }
+}
+
+//CHECK#2
+try {
+  "MAX_VALUE" in 1;
+  $ERROR('#2: "MAX_VALUE" in 1 throw TypeError');  
+}
+catch (e) {
+  if ((e instanceof TypeError) !== true) {
+    $ERROR('#2: "MAX_VALUE" in 1 throw TypeError');  
+  }
+}
+
+//CHECK#3
+try {
+  "length" in "string";
+  $ERROR('#3: "length" in "string" throw TypeError');  
+}
+catch (e) {
+  if ((e instanceof TypeError) !== true) {
+    $ERROR('#3: "length" in "string" throw TypeError');  
+  }
+}
+
+//CHECK#4
+try {
+  "toString" in undefined;
+  $ERROR('#4: "toString" in undefined throw TypeError');  
+}
+catch (e) {
+  if ((e instanceof TypeError) !== true) {
+    $ERROR('#4: "toString" in undefined throw TypeError');  
+  }
+}
+
+//CHECK#5
+try {
+  "toString" in null;
+  $ERROR('#5: "toString" in null throw TypeError');  
+}
+catch (e) {
+  if ((e instanceof TypeError) !== true) {
+    $ERROR('#5: "toString" in null throw TypeError');  
+  }
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A4.js b/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A4.js
new file mode 100644
index 000000000..fcb4a6b86
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.7/S11.8.7_A4.js
@@ -0,0 +1,38 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Operator "in" calls ToString(ShiftExpression)
+ *
+ * @path ch11/11.8/11.8.7/S11.8.7_A4.js
+ * @description Checking ToString coversion;
+ */
+
+//CHECK#1
+var object = {};
+object["true"] = 1;
+if (true in object !== "true" in object) {  
+  $ERROR('#1: "var object = {}; object["true"] = 1; true in object === "true" in object');  
+}
+
+//CHECK#2
+var object = {};
+object.Infinity = 1;
+if (Infinity in object !== "Infinity" in object) {  
+  $ERROR('#2: "var object = {}; object.Infinity = 1; Infinity in object === "Infinity" in object');  
+}
+
+//CHECK#4
+var object = {};
+object.undefined = 1;
+if (undefined in object !== "undefined" in object) {  
+  $ERROR('#4: "var object = {}; object.undefined = 1; undefined in object === "undefined" in object');  
+}
+
+//CHECK#5
+var object = {};
+object["null"] = 1;
+if (null in object !== "null" in object) {  
+  $ERROR('#5: "var object = {}; object["null"] = 1; null in object === "null" in object');  
+}
+
diff --git a/js/src/tests/test262/ch11/11.8/11.8.7/browser.js b/js/src/tests/test262/ch11/11.8/11.8.7/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.7/browser.js
diff --git a/js/src/tests/test262/ch11/11.8/11.8.7/shell.js b/js/src/tests/test262/ch11/11.8/11.8.7/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/11.8.7/shell.js
diff --git a/js/src/tests/test262/ch11/11.8/browser.js b/js/src/tests/test262/ch11/11.8/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/browser.js
diff --git a/js/src/tests/test262/ch11/11.8/shell.js b/js/src/tests/test262/ch11/11.8/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.8/shell.js