Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

61 files changed, 1107 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-0-1.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-0-1.js
new file mode 100644
index 0000000000..c30cdcfd6c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-0-1.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-0-1
+description: Object.isFrozen must exist as a function
+---*/
+
+var f = Object.isFrozen;
+
+assert.sameValue(typeof(f), "function", 'typeof(f)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-0-2.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-0-2.js
new file mode 100644
index 0000000000..4c23ddb324
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-0-2.js
@@ -0,0 +1,11 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-0-2
+description: Object.isFrozen must exist as a function taking 1 parameter
+---*/
+
+assert.sameValue(Object.isFrozen.length, 1, 'Object.isFrozen.length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-1.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-1.js
new file mode 100644
index 0000000000..99b82bb5f8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-1.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-1-1
+description: >
+    Object.isFrozen - TypeError is not thrown when the first param 'O'
+    is undefined
+---*/
+
+Object.isFrozen(undefined);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-2.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-2.js
new file mode 100644
index 0000000000..b7c54cac7c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-2.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-1-2
+description: >
+    Object.isFrozen - TypeError is not thrown when the first param 'O'
+    is null
+---*/
+
+Object.isFrozen(null);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-3.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-3.js
new file mode 100644
index 0000000000..01293b08da
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-3.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-1-3
+description: >
+    Object.isFrozen - TypeError is not thrown when the first param 'O'
+    is a boolean
+---*/
+
+Object.isFrozen(true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-4.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-4.js
new file mode 100644
index 0000000000..af5296610d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-4.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-1-4
+description: >
+    Object.isFrozen - TypeError is not thrown when the first param 'O'
+    is a string
+---*/
+
+Object.isFrozen("abc");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-5.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-5.js
new file mode 100644
index 0000000000..a9453055be
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-5.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-1-5
+description: Object.isFrozen applies to dense array
+---*/
+
+var obj = Object.freeze([0, 1, 2]);
+
+assert(Object.isFrozen(obj), 'Object.isFrozen(obj) !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-6.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-6.js
new file mode 100644
index 0000000000..5169e63a4c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-6.js
@@ -0,0 +1,16 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-1-6
+description: Object.isFrozen applies to sparse array
+---*/
+
+var sparseArr = [0, 1];
+sparseArr[10000] = 10000;
+
+sparseArr = Object.freeze(sparseArr);
+
+assert(Object.isFrozen(sparseArr), 'Object.isFrozen(sparseArr) !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-7.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-7.js
new file mode 100644
index 0000000000..dbf304e0b6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1-7.js
@@ -0,0 +1,19 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-1-7
+description: >
+    Object.isFrozen applies to non-array object which contains index
+    named properties
+---*/
+
+var obj = Object.freeze({
+  0: 0,
+  1: 1,
+  1000: 1000
+});
+
+assert(Object.isFrozen(obj), 'Object.isFrozen(obj) !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1.js
new file mode 100644
index 0000000000..40edf0f31c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-1.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-1
+description: >
+    Object.isFrozen does not throw TypeError if type of first param is
+    not Object
+---*/
+
+Object.isFrozen(0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-1.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-1.js
new file mode 100644
index 0000000000..1491744985
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-1.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-2-1
+description: >
+    Object.isFrozen - inherited data property is not considered into
+    the for each loop
+---*/
+
+var proto = {};
+Object.defineProperty(proto, "Father", {
+  value: 10,
+  writable: false,
+  configurable: true
+});
+
+var Con = function() {};
+Con.prototype = proto;
+
+var child = new Con();
+
+Object.preventExtensions(child);
+
+assert(Object.isFrozen(child), 'Object.isFrozen(child) !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-2.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-2.js
new file mode 100644
index 0000000000..07a4cc8d2b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-2.js
@@ -0,0 +1,34 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-2-2
+description: >
+    Object.isFrozen - inherited accessor property is not considered
+    into the for each loop
+---*/
+
+var proto = {};
+
+function get_func() {
+  return 10;
+}
+
+function set_func() {}
+
+Object.defineProperty(proto, "Father", {
+  get: get_func,
+  set: set_func,
+  configurable: true
+});
+
+var Con = function() {};
+Con.prototype = proto;
+
+var child = new Con();
+
+Object.preventExtensions(child);
+
+assert(Object.isFrozen(child), 'Object.isFrozen(child) !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-1.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-1.js
new file mode 100644
index 0000000000..5fcf32b45c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-1.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-2-a-1
+description: Object.isFrozen - 'P' is own data property
+---*/
+
+var obj = {};
+
+Object.defineProperty(obj, "foo", {
+  value: 12,
+  writable: true,
+  configurable: false
+});
+
+Object.preventExtensions(obj);
+
+assert.sameValue(Object.isFrozen(obj), false, 'Object.isFrozen(obj)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-11.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-11.js
new file mode 100644
index 0000000000..c33097705a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-11.js
@@ -0,0 +1,19 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-2-a-11
+description: Object.isFrozen - 'O' is the Arguments object
+---*/
+
+var arg;
+
+(function fun() {
+  arg = arguments;
+}(1, 2, 3));
+
+Object.preventExtensions(arg);
+
+assert.sameValue(Object.isFrozen(arg), false, 'Object.isFrozen(arg)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-12.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-12.js
new file mode 100644
index 0000000000..d188de24d1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-12.js
@@ -0,0 +1,17 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-2-a-12
+description: Object.isFrozen - 'O' is a String object
+---*/
+
+var obj = new String("abc");
+
+obj.len = 100;
+
+Object.preventExtensions(obj);
+
+assert.sameValue(Object.isFrozen(obj), false, 'Object.isFrozen(obj)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-13.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-13.js
new file mode 100644
index 0000000000..93cf8ac3c2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-13.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-2-a-13
+description: Object.isFrozen - 'O' is a Function object
+---*/
+
+var obj = function() {};
+
+Object.defineProperty(obj, "property", {
+  value: 12,
+  writable: true,
+  configurable: false
+});
+
+Object.preventExtensions(obj);
+
+assert.sameValue(Object.isFrozen(obj), false, 'Object.isFrozen(obj)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-14.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-14.js
new file mode 100644
index 0000000000..6c1d4a810a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-14.js
@@ -0,0 +1,16 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-2-a-14
+description: Object.isFrozen - 'O' is an Array object
+---*/
+
+var obj = [2];
+obj.len = 200;
+
+Object.preventExtensions(obj);
+
+assert.sameValue(Object.isFrozen(obj), false, 'Object.isFrozen(obj)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-2.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-2.js
new file mode 100644
index 0000000000..1c80dabdac
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-2.js
@@ -0,0 +1,33 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-2-a-2
+description: >
+    Object.isFrozen - 'P' is own data property that overrides an
+    inherited data property
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "foo", {
+  value: 9,
+  writable: false,
+  configurable: false
+});
+
+var Con = function() {};
+Con.prototype = proto;
+var child = new Con();
+
+Object.defineProperty(child, "foo", {
+  value: 12,
+  writable: true,
+  configurable: false
+});
+
+Object.preventExtensions(child);
+
+assert.sameValue(Object.isFrozen(child), false, 'Object.isFrozen(child)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-3.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-3.js
new file mode 100644
index 0000000000..45b0d12e67
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-3.js
@@ -0,0 +1,34 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-2-a-3
+description: >
+    Object.isFrozen - 'P' is own data property that overrides an
+    inherited accessor property
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "foo", {
+  get: function() {
+    return 9;
+  },
+  configurable: false
+});
+
+var Con = function() {};
+Con.prototype = proto;
+var child = new Con();
+
+
+Object.defineProperty(child, "foo", {
+  value: 12,
+  configurable: true
+});
+
+Object.preventExtensions(child);
+
+assert.sameValue(Object.isFrozen(child), false, 'Object.isFrozen(child)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-4.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-4.js
new file mode 100644
index 0000000000..eb221237de
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-4.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-2-a-4
+description: Object.isFrozen - 'P' is own accessor property
+---*/
+
+var obj = {};
+Object.defineProperty(obj, "foo", {
+  get: function() {
+    return 9;
+  },
+  configurable: true
+});
+
+Object.preventExtensions(obj);
+
+assert.sameValue(Object.isFrozen(obj), false, 'Object.isFrozen(obj)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-5.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-5.js
new file mode 100644
index 0000000000..23f870f82d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-5.js
@@ -0,0 +1,33 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-2-a-5
+description: >
+    Object.isFrozen - 'P' is own accessor property that overrides an
+    inherited data property
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "foo", {
+  value: 12,
+  configurable: false
+});
+
+var Con = function() {};
+Con.prototype = proto;
+var child = new Con();
+
+Object.defineProperty(child, "foo", {
+  get: function() {
+    return 9;
+  },
+  configurable: true
+});
+
+Object.preventExtensions(child);
+
+assert.sameValue(Object.isFrozen(child), false, 'Object.isFrozen(child)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-6.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-6.js
new file mode 100644
index 0000000000..d8d6e9e2ce
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-6.js
@@ -0,0 +1,36 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-2-a-6
+description: >
+    Object.isFrozen - 'P' is own accessor property that overrides an
+    inherited accessor property
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "foo", {
+  get: function() {
+    return 12;
+  },
+  configurable: false
+});
+
+var Con = function() {};
+Con.prototype = proto;
+var child = new Con();
+
+
+Object.defineProperty(child, "foo", {
+  get: function() {
+    return 9;
+  },
+  configurable: true
+});
+
+Object.preventExtensions(child);
+
+assert.sameValue(Object.isFrozen(child), false, 'Object.isFrozen(child)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-7.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-7.js
new file mode 100644
index 0000000000..efbb917e2f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-7.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-2-a-7
+description: >
+    Object.isFrozen - 'P' is own accessor property without a get
+    function
+---*/
+
+var obj = {};
+Object.defineProperty(obj, "foo", {
+  set: function() {},
+  configurable: true
+});
+
+Object.preventExtensions(obj);
+
+assert.sameValue(Object.isFrozen(obj), false, 'Object.isFrozen(obj)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-8.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-8.js
new file mode 100644
index 0000000000..41207b4c80
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-a-8.js
@@ -0,0 +1,33 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-2-a-8
+description: >
+    Object.isFrozen - 'P' is own accessor property without a get
+    function that overrides an inherited accessor property
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "foo", {
+  get: function() {
+    return 9;
+  },
+  configurable: false
+});
+
+var Con = function() {};
+Con.prototype = proto;
+var child = new Con();
+
+Object.defineProperty(child, "foo", {
+  set: function() {},
+  configurable: true
+});
+
+Object.preventExtensions(child);
+
+assert.sameValue(Object.isFrozen(child), false, 'Object.isFrozen(child)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-b-i-1.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-b-i-1.js
new file mode 100644
index 0000000000..b33f2b0700
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-b-i-1.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-2-b-i-1
+description: >
+    Object.isFrozen returns false if 'O' contains own writable data
+    property
+---*/
+
+var obj = {};
+Object.defineProperty(obj, "foo", {
+  value: 20,
+  writable: true,
+  configurable: false
+});
+Object.preventExtensions(obj);
+
+assert.sameValue(Object.isFrozen(obj), false, 'Object.isFrozen(obj)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-c-1.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-c-1.js
new file mode 100644
index 0000000000..75cee88605
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-c-1.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-2-c-1
+description: >
+    Object.isFrozen returns false if 'O' contains own configurable
+    data property
+---*/
+
+var obj = {};
+Object.defineProperty(obj, "foo", {
+  value: 20,
+  writable: false,
+  configurable: true
+});
+
+Object.preventExtensions(obj);
+
+assert.sameValue(Object.isFrozen(obj), false, 'Object.isFrozen(obj)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-c-2.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-c-2.js
new file mode 100644
index 0000000000..0110d56c49
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-2-c-2.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-2-c-2
+description: >
+    Object.isFrozen returns false if 'O' contains own configurable
+    accessor property
+---*/
+
+var obj = {};
+
+function get_func() {
+  return 10;
+}
+
+function set_func() {}
+
+Object.defineProperty(obj, "foo", {
+  get: get_func,
+  set: set_func,
+  configurable: true
+});
+
+Object.preventExtensions(obj);
+
+assert.sameValue(Object.isFrozen(obj), false, 'Object.isFrozen(obj)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-1.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-1.js
new file mode 100644
index 0000000000..7ba4b95381
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-1.js
@@ -0,0 +1,11 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-1
+description: Object.isFrozen returns false for all built-in objects (Global)
+---*/
+
+assert(!Object.isFrozen(this));
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-10.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-10.js
new file mode 100644
index 0000000000..b679daed2b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-10.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-10
+description: Object.isFrozen returns false for all built-in objects (Boolean)
+---*/
+
+var b = Object.isFrozen(Boolean);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-11.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-11.js
new file mode 100644
index 0000000000..b2b9d7b67e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-11.js
@@ -0,0 +1,15 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-11
+description: >
+    Object.isFrozen returns false for all built-in objects
+    (Boolean.prototype)
+---*/
+
+var b = Object.isFrozen(Boolean.prototype);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-12.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-12.js
new file mode 100644
index 0000000000..c5402693fa
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-12.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-12
+description: Object.isFrozen returns false for all built-in objects (Number)
+---*/
+
+var b = Object.isFrozen(Number);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-13.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-13.js
new file mode 100644
index 0000000000..dd28b24d36
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-13.js
@@ -0,0 +1,15 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-13
+description: >
+    Object.isFrozen returns false for all built-in objects
+    (Number.prototype)
+---*/
+
+var b = Object.isFrozen(Number.prototype);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-14.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-14.js
new file mode 100644
index 0000000000..8a94a92338
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-14.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-14
+description: Object.isFrozen returns false for all built-in objects (Math)
+---*/
+
+var b = Object.isFrozen(Math);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-15.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-15.js
new file mode 100644
index 0000000000..a39061c429
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-15.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-15
+description: Object.isFrozen returns false for all built-in objects (Date)
+---*/
+
+var b = Object.isFrozen(Date);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-16.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-16.js
new file mode 100644
index 0000000000..52f6a85e4a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-16.js
@@ -0,0 +1,15 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-16
+description: >
+    Object.isFrozen returns false for all built-in objects
+    (Date.prototype)
+---*/
+
+var b = Object.isFrozen(Date.prototype);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-17.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-17.js
new file mode 100644
index 0000000000..f99e006510
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-17.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-17
+description: Object.isFrozen returns false for all built-in objects (RegExp)
+---*/
+
+var b = Object.isFrozen(RegExp);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-18.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-18.js
new file mode 100644
index 0000000000..8434b79b85
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-18.js
@@ -0,0 +1,15 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-18
+description: >
+    Object.isFrozen returns false for all built-in objects
+    (RegExp.prototype)
+---*/
+
+var b = Object.isFrozen(RegExp.prototype);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-19.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-19.js
new file mode 100644
index 0000000000..f125bc67a4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-19.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-19
+description: Object.isFrozen returns false for all built-in objects (Error)
+---*/
+
+var b = Object.isFrozen(Error);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-2.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-2.js
new file mode 100644
index 0000000000..ffa070888c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-2.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-2
+description: Object.isFrozen returns false for all built-in objects (Object)
+---*/
+
+var b = Object.isFrozen(Object);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-20.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-20.js
new file mode 100644
index 0000000000..3bffc5529e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-20.js
@@ -0,0 +1,15 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-20
+description: >
+    Object.isFrozen returns false for all built-in objects
+    (Error.prototype)
+---*/
+
+var b = Object.isFrozen(Error.prototype);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-21.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-21.js
new file mode 100644
index 0000000000..2a8d30f968
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-21.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-21
+description: Object.isFrozen returns false for all built-in objects (EvalError)
+---*/
+
+var b = Object.isFrozen(EvalError);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-22.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-22.js
new file mode 100644
index 0000000000..6a664e279d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-22.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-22
+description: Object.isFrozen returns false for all built-in objects (RangeError)
+---*/
+
+var b = Object.isFrozen(RangeError);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-23.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-23.js
new file mode 100644
index 0000000000..974c2949fe
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-23.js
@@ -0,0 +1,15 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-23
+description: >
+    Object.isFrozen returns false for all built-in objects
+    (ReferenceError)
+---*/
+
+var b = Object.isFrozen(ReferenceError);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-24.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-24.js
new file mode 100644
index 0000000000..1d3e75be86
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-24.js
@@ -0,0 +1,15 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-24
+description: >
+    Object.isFrozen returns false for all built-in objects
+    (SyntaxError)
+---*/
+
+var b = Object.isFrozen(SyntaxError);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-25.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-25.js
new file mode 100644
index 0000000000..86cfc530e7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-25.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-25
+description: Object.isFrozen returns false for all built-in objects (TypeError)
+---*/
+
+var b = Object.isFrozen(TypeError);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-26.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-26.js
new file mode 100644
index 0000000000..0304619454
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-26.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-26
+description: Object.isFrozen returns false for all built-in objects (URIError)
+---*/
+
+var b = Object.isFrozen(URIError);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-27.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-27.js
new file mode 100644
index 0000000000..8b13c85019
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-27.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-27
+description: Object.isFrozen returns false for all built-in objects (JSON)
+---*/
+
+var b = Object.isFrozen(JSON);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-28.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-28.js
new file mode 100644
index 0000000000..e8d631151c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-28.js
@@ -0,0 +1,37 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-28
+description: >
+    Object.isFrozen returns true when all own properties of 'O' are
+    not writable and not configurable, and 'O' is not extensible
+---*/
+
+var obj = {};
+
+Object.defineProperty(obj, "foo1", {
+  value: 20,
+  writable: false,
+  enumerable: false,
+  configurable: false
+});
+
+
+function get_func() {
+  return 10;
+}
+
+function set_func() {}
+
+Object.defineProperty(obj, "foo2", {
+  get: get_func,
+  set: set_func,
+  configurable: false
+});
+
+Object.preventExtensions(obj);
+
+assert(Object.isFrozen(obj), 'Object.isFrozen(obj) !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-3.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-3.js
new file mode 100644
index 0000000000..85007c7f8e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-3.js
@@ -0,0 +1,15 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-3
+description: >
+    Object.isFrozen returns false for all built-in objects
+    (Object.prototype)
+---*/
+
+var b = Object.isFrozen(Object.prototype);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-4.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-4.js
new file mode 100644
index 0000000000..53cce1fb6f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-4.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-4
+description: Object.isFrozen returns false for all built-in objects (Function)
+---*/
+
+var b = Object.isFrozen(Function);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-5.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-5.js
new file mode 100644
index 0000000000..badf8057e3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-5.js
@@ -0,0 +1,15 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-5
+description: >
+    Object.isFrozen returns false for all built-in objects
+    (Function.prototype)
+---*/
+
+var b = Object.isFrozen(Function.prototype);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-6.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-6.js
new file mode 100644
index 0000000000..50702e237f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-6.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-6
+description: Object.isFrozen returns false for all built-in objects (Array)
+---*/
+
+var b = Object.isFrozen(Array);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-7.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-7.js
new file mode 100644
index 0000000000..501b5505bc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-7.js
@@ -0,0 +1,15 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-7
+description: >
+    Object.isFrozen returns false for all built-in objects
+    (Array.prototype)
+---*/
+
+var b = Object.isFrozen(Array.prototype);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-8.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-8.js
new file mode 100644
index 0000000000..f7d7e68ef8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-8.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-8
+description: Object.isFrozen returns false for all built-in objects (String)
+---*/
+
+var b = Object.isFrozen(String);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-9.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-9.js
new file mode 100644
index 0000000000..c465f97638
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-3-9.js
@@ -0,0 +1,15 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-3-9
+description: >
+    Object.isFrozen returns false for all built-in objects
+    (String.prototype)
+---*/
+
+var b = Object.isFrozen(String.prototype);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-4-1.js b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-4-1.js
new file mode 100644
index 0000000000..62d775f224
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/15.2.3.12-4-1.js
@@ -0,0 +1,11 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.12-4-1
+description: Object.isFrozen returns false if extensible is true
+---*/
+
+assert.sameValue(Object.isFrozen({}), false, 'Object.isFrozen({})');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/browser.js b/js/src/tests/test262/built-ins/Object/isFrozen/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/browser.js
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/name.js b/js/src/tests/test262/built-ins/Object/isFrozen/name.js
new file mode 100644
index 0000000000..4b83c75722
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 19.1.2.12
+description: >
+  Object.isFrozen.name is "isFrozen".
+info: |
+  Object.isFrozen ( O )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Object.isFrozen.name, "isFrozen");
+
+verifyNotEnumerable(Object.isFrozen, "name");
+verifyNotWritable(Object.isFrozen, "name");
+verifyConfigurable(Object.isFrozen, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/not-a-constructor.js b/js/src/tests/test262/built-ins/Object/isFrozen/not-a-constructor.js
new file mode 100644
index 0000000000..5f8014985b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Object.isFrozen does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Object.isFrozen), false, 'isConstructor(Object.isFrozen) must return false');
+
+assert.throws(TypeError, () => {
+  new Object.isFrozen({});
+}, '`new Object.isFrozen({})` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/proxy-no-ownkeys-returned-keys-order.js b/js/src/tests/test262/built-ins/Object/isFrozen/proxy-no-ownkeys-returned-keys-order.js
new file mode 100644
index 0000000000..5989f8c123
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/proxy-no-ownkeys-returned-keys-order.js
@@ -0,0 +1,54 @@
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-object.isfrozen
+description: >
+  If Proxy "ownKeys" trap is missing, keys are sorted by type in ascending
+  chronological order.
+info: |
+  TestIntegrityLevel ( O, level )
+
+  [...]
+  6. Let keys be ? O.[[OwnPropertyKeys]]().
+  7. For each element k of keys, do
+    a. Let currentDesc be ? O.[[GetOwnProperty]](k).
+
+  [[OwnPropertyKeys]] ( )
+
+  [...]
+  6. If trap is undefined, then
+    a. Return ? target.[[OwnPropertyKeys]]().
+
+  OrdinaryOwnPropertyKeys ( O )
+
+  [...]
+  3. For each own property key P of O such that Type(P) is String and P is
+  not an array index, in ascending chronological order of property creation, do
+    a. Add P as the last element of keys.
+  4. For each own property key P of O such that Type(P) is Symbol,
+  in ascending chronological order of property creation, do
+    a. Add P as the last element of keys.
+  5. Return keys.
+features: [Proxy, Symbol, Reflect]
+includes: [compareArray.js]
+---*/
+
+var target = {};
+var sym = Symbol();
+target[sym] = 1;
+target.foo = 2;
+target[0] = 3;
+Object.freeze(target);
+
+var getOwnKeys = [];
+var proxy = new Proxy(target, {
+  getOwnPropertyDescriptor: function(target, key) {
+    getOwnKeys.push(key);
+    return Reflect.getOwnPropertyDescriptor(target, key);
+  },
+});
+
+Object.isFrozen(proxy);
+assert.compareArray(getOwnKeys, ["0", "foo", sym]);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/isFrozen/shell.js b/js/src/tests/test262/built-ins/Object/isFrozen/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isFrozen/shell.js