Adding upstream version 124.0.1.upstream/124.0.1

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

217 files changed, 6016 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-0-1.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-0-1.js
new file mode 100644
index 0000000000..5748303499
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-0-1.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.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every must exist as a function
+---*/
+
+var f = Array.prototype.every;
+
+assert.sameValue(typeof(f), "function", 'typeof(f)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-1.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-1.js
new file mode 100644
index 0000000000..28ea6d417b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-1.js
@@ -0,0 +1,14 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every applied to undefined throws a TypeError
+---*/
+
+
+assert.throws(TypeError, function() {
+  Array.prototype.every.call(undefined); // TypeError is thrown if value is undefined
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-10.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-10.js
new file mode 100644
index 0000000000..84d73fedf7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-10.js
@@ -0,0 +1,18 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every applied to the Math object
+---*/
+
+function callbackfn(val, idx, obj) {
+  return ('[object Math]' !== Object.prototype.toString.call(obj));
+}
+
+Math.length = 1;
+Math[0] = 1;
+
+assert.sameValue(Array.prototype.every.call(Math, callbackfn), false, 'Array.prototype.every.call(Math, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-11.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-11.js
new file mode 100644
index 0000000000..07413cbbab
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-11.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.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every applied to Date object
+---*/
+
+function callbackfn(val, idx, obj) {
+  return !(obj instanceof Date);
+}
+
+var obj = new Date();
+obj.length = 1;
+obj[0] = 1;
+
+assert.sameValue(Array.prototype.every.call(obj, callbackfn), false, 'Array.prototype.every.call(obj, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-12.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-12.js
new file mode 100644
index 0000000000..725940e814
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-12.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.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every applied to RegExp object
+---*/
+
+function callbackfn(val, idx, obj) {
+  return !(obj instanceof RegExp);
+}
+
+var obj = new RegExp();
+obj.length = 1;
+obj[0] = 1;
+
+assert.sameValue(Array.prototype.every.call(obj, callbackfn), false, 'Array.prototype.every.call(obj, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-13.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-13.js
new file mode 100644
index 0000000000..b4a4ee5a5b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-13.js
@@ -0,0 +1,18 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every applied to the JSON object
+---*/
+
+function callbackfn(val, idx, obj) {
+  return ('[object JSON]' !== Object.prototype.toString.call(obj));
+}
+
+JSON.length = 1;
+JSON[0] = 1;
+
+assert.sameValue(Array.prototype.every.call(JSON, callbackfn), false, 'Array.prototype.every.call(JSON, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-14.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-14.js
new file mode 100644
index 0000000000..89ff1df9e8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-14.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.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every applied to Error object
+---*/
+
+function callbackfn(val, idx, obj) {
+  return !(obj instanceof Error);
+}
+
+var obj = new Error();
+obj.length = 1;
+obj[0] = 1;
+
+assert.sameValue(Array.prototype.every.call(obj, callbackfn), false, 'Array.prototype.every.call(obj, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-15.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-15.js
new file mode 100644
index 0000000000..a6ffd11526
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-15.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.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every applied to the Arguments object
+---*/
+
+function callbackfn(val, idx, obj) {
+  return ('[object Arguments]' !== Object.prototype.toString.call(obj));
+}
+
+var obj = (function fun() {
+  return arguments;
+}("a", "b"));
+
+assert.sameValue(Array.prototype.every.call(obj, callbackfn), false, 'Array.prototype.every.call(obj, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-2.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-2.js
new file mode 100644
index 0000000000..d3ca2b6104
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-2.js
@@ -0,0 +1,14 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every applied to null throws a TypeError
+---*/
+
+
+assert.throws(TypeError, function() {
+  Array.prototype.every.call(null); // TypeError is thrown if value is null
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-3.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-3.js
new file mode 100644
index 0000000000..53710c52a6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-3.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.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every applied to boolean primitive
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return obj instanceof Boolean;
+}
+
+Boolean.prototype[0] = 1;
+Boolean.prototype.length = 1;
+
+assert(Array.prototype.every.call(false, callbackfn), 'Array.prototype.every.call(false, callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-4.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-4.js
new file mode 100644
index 0000000000..502fddcc8b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-4.js
@@ -0,0 +1,24 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every applied to Boolean object
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return obj instanceof Boolean;
+}
+
+var obj = new Boolean(true);
+obj.length = 2;
+obj[0] = 11;
+obj[1] = 12;
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-5.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-5.js
new file mode 100644
index 0000000000..7f705289f6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-5.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.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every applied to number primitive
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return obj instanceof Number;
+}
+
+Number.prototype[0] = 1;
+Number.prototype.length = 1;
+
+assert(Array.prototype.every.call(2.5, callbackfn), 'Array.prototype.every.call(2.5, callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-6.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-6.js
new file mode 100644
index 0000000000..1900feccdb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-6.js
@@ -0,0 +1,24 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every applied to Number object
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return obj instanceof Number;
+}
+
+var obj = new Number(-128);
+obj.length = 2;
+obj[0] = 11;
+obj[1] = 12;
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-7.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-7.js
new file mode 100644
index 0000000000..11a157862b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-7.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.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every applied to string primitive
+---*/
+
+function callbackfn(val, idx, obj) {
+  return !(obj instanceof String);
+}
+
+assert.sameValue(Array.prototype.every.call("hello\nworld\\!", callbackfn), false, 'Array.prototype.every.call("hello\nworld\\!", callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-8.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-8.js
new file mode 100644
index 0000000000..8c91c089e5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-8.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.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every applied to String object
+---*/
+
+function callbackfn(val, idx, obj) {
+  return !(obj instanceof String);
+}
+
+var obj = new String("hello\nworld\\!");
+
+assert.sameValue(Array.prototype.every.call(obj, callbackfn), false, 'Array.prototype.every.call(obj, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-9.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-9.js
new file mode 100644
index 0000000000..b6f878e640
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-1-9.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.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every applied to Function object
+---*/
+
+function callbackfn(val, idx, obj) {
+  return !(obj instanceof Function);
+}
+
+var obj = function(a, b) {
+  return a + b;
+};
+obj[0] = 11;
+obj[1] = 9;
+
+assert.sameValue(Array.prototype.every.call(obj, callbackfn), false, 'Array.prototype.every.call(obj, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-1.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-1.js
new file mode 100644
index 0000000000..bb4777ce82
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-1.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every applied to Array-like object, 'length' is an
+    own data property
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var obj = {
+  0: 12,
+  1: 11,
+  2: 9,
+  length: 2
+};
+
+assert(Array.prototype.every.call(obj, callbackfn1), 'Array.prototype.every.call(obj, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(obj, callbackfn2), false, 'Array.prototype.every.call(obj, callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-10.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-10.js
new file mode 100644
index 0000000000..1fb57d459f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-10.js
@@ -0,0 +1,39 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every applied to Array-like object, 'length' is an
+    inherited accessor property
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var proto = {};
+
+Object.defineProperty(proto, "length", {
+  get: function() {
+    return 2;
+  },
+  configurable: true
+});
+
+var Con = function() {};
+Con.prototype = proto;
+
+var child = new Con();
+child[0] = 12;
+child[1] = 11;
+child[2] = 9;
+
+assert(Array.prototype.every.call(child, callbackfn1), 'Array.prototype.every.call(child, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(child, callbackfn2), false, 'Array.prototype.every.call(child, callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-11.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-11.js
new file mode 100644
index 0000000000..0c4a6515d6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-11.js
@@ -0,0 +1,30 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every applied to Array-like object, 'length' is an
+    own accessor property without a get function
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return val > 10;
+}
+
+var obj = {
+  0: 9,
+  1: 8
+};
+Object.defineProperty(obj, "length", {
+  set: function() {},
+  configurable: true
+});
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-12.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-12.js
new file mode 100644
index 0000000000..06ac2af411
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-12.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - 'length' is own accessor property without
+    a get function that overrides an inherited accessor property
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return val > 10;
+}
+
+Object.defineProperty(Object.prototype, "length", {
+  get: function() {
+    return 2;
+  },
+  configurable: true
+});
+
+var obj = {
+  0: 9,
+  1: 8
+};
+Object.defineProperty(obj, "length", {
+  set: function() {},
+  configurable: true
+});
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-13.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-13.js
new file mode 100644
index 0000000000..3dfed8d28c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-13.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every applied to the Array-like object that
+    'length' is inherited accessor property without a get function
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return val > 10;
+}
+
+var proto = {};
+Object.defineProperty(proto, "length", {
+  set: function() {},
+  configurable: true
+});
+
+var Con = function() {};
+Con.prototype = proto;
+
+var child = new Con();
+child[0] = 9;
+child[1] = 8;
+
+assert(Array.prototype.every.call(child, callbackfn), 'Array.prototype.every.call(child, callbackfn) !== true');
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-14.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-14.js
new file mode 100644
index 0000000000..5ba3993d15
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-14.js
@@ -0,0 +1,26 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every applied to the Array-like object that
+    'length' property doesn't exist
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return val > 10;
+}
+
+var obj = {
+  0: 11,
+  1: 12
+};
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-17.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-17.js
new file mode 100644
index 0000000000..d6d41c06ed
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-17.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every applied to the Arguments object, which
+    implements its own property get method
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var func = function(a, b) {
+  arguments[2] = 9;
+  return Array.prototype.every.call(arguments, callbackfn1) &&
+    !Array.prototype.every.call(arguments, callbackfn2);
+};
+
+assert(func(12, 11), 'func(12, 11) !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-18.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-18.js
new file mode 100644
index 0000000000..ea410a0e7e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-18.js
@@ -0,0 +1,26 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every applied to String object, which implements
+    its own property get method
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return parseInt(val, 10) > 1;
+}
+
+function callbackfn2(val, idx, obj) {
+  return parseInt(val, 10) > 2;
+}
+
+var str = new String("432");
+
+String.prototype[3] = "1";
+
+assert(Array.prototype.every.call(str, callbackfn1), 'Array.prototype.every.call(str, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(str, callbackfn2), false, 'Array.prototype.every.call(str, callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-19.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-19.js
new file mode 100644
index 0000000000..9b4e28396c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-19.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every applied to Function object, which implements
+    its own property get method
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var fun = function(a, b) {
+  return a + b;
+};
+fun[0] = 12;
+fun[1] = 11;
+fun[2] = 9;
+
+assert(Array.prototype.every.call(fun, callbackfn1), 'Array.prototype.every.call(fun, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(fun, callbackfn2), false, 'Array.prototype.every.call(fun, callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-2.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-2.js
new file mode 100644
index 0000000000..66517da434
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-2.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.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - 'length' is own data property on an Array
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+Array.prototype[2] = 9;
+
+assert([12, 11].every(callbackfn1), '[12, 11].every(callbackfn1) !== true');
+assert.sameValue([12, 11].every(callbackfn2), false, '[12, 11].every(callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-3.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-3.js
new file mode 100644
index 0000000000..34edd6487f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-3.js
@@ -0,0 +1,35 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every applied to Array-like object, 'length' is an
+    own data property that overrides an inherited data property
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var proto = {
+  length: 3
+};
+
+var Con = function() {};
+Con.prototype = proto;
+
+var child = new Con();
+child.length = 2;
+child[0] = 12;
+child[1] = 11;
+child[2] = 9;
+
+assert(Array.prototype.every.call(child, callbackfn1), 'Array.prototype.every.call(child, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(child, callbackfn2), false, 'Array.prototype.every.call(child, callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-4.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-4.js
new file mode 100644
index 0000000000..401816a1dd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-4.js
@@ -0,0 +1,28 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - 'length' is own data property that
+    overrides an inherited data property on an Array
+---*/
+
+var arrProtoLen = 0;
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+arrProtoLen = Array.prototype.length;
+Array.prototype.length = 0;
+Array.prototype[2] = 9;
+
+assert([12, 11].every(callbackfn1), '[12, 11].every(callbackfn1) !== true');
+assert.sameValue([12, 11].every(callbackfn2), false, '[12, 11].every(callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-5.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-5.js
new file mode 100644
index 0000000000..71a5cf7422
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-5.js
@@ -0,0 +1,44 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every applied to Array-like object, 'length' is an
+    own data property that overrides an inherited accessor property
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var proto = {};
+
+Object.defineProperty(proto, "length", {
+  get: function() {
+    return 3;
+  },
+  configurable: true
+});
+
+var Con = function() {};
+Con.prototype = proto;
+
+var child = new Con();
+child[0] = 12;
+child[1] = 11;
+child[2] = 9;
+
+Object.defineProperty(child, "length", {
+  value: 2,
+  configurable: true
+});
+
+assert(Array.prototype.every.call(child, callbackfn1), 'Array.prototype.every.call(child, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(child, callbackfn2), false, 'Array.prototype.every.call(child, callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-6.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-6.js
new file mode 100644
index 0000000000..afbe1bc864
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-6.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every applied to Array-like object, 'length' is an
+    inherited data property
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var proto = {
+  length: 2
+};
+
+var Con = function() {};
+Con.prototype = proto;
+
+var child = new Con();
+child[0] = 12;
+child[1] = 11;
+child[2] = 9;
+
+assert(Array.prototype.every.call(child, callbackfn1), 'Array.prototype.every.call(child, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(child, callbackfn2), false, 'Array.prototype.every.call(child, callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-7.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-7.js
new file mode 100644
index 0000000000..63646b52c6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-7.js
@@ -0,0 +1,35 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every applied to Array-like object, 'length' is an
+    own accessor property
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var obj = {};
+
+Object.defineProperty(obj, "length", {
+  get: function() {
+    return 2;
+  },
+  configurable: true
+});
+
+obj[0] = 12;
+obj[1] = 11;
+obj[2] = 9;
+
+assert(Array.prototype.every.call(obj, callbackfn1), 'Array.prototype.every.call(obj, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(obj, callbackfn2), false, 'Array.prototype.every.call(obj, callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-8.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-8.js
new file mode 100644
index 0000000000..a84db41a55
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-8.js
@@ -0,0 +1,42 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every applied to Array-like object, 'length' is an
+    own accessor property that overrides an inherited data property
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var proto = {
+  length: 3
+};
+
+var Con = function() {};
+Con.prototype = proto;
+
+var child = new Con();
+
+Object.defineProperty(child, "length", {
+  get: function() {
+    return 2;
+  },
+  configurable: true
+});
+
+child[0] = 12;
+child[1] = 11;
+child[2] = 9;
+
+assert(Array.prototype.every.call(child, callbackfn1), 'Array.prototype.every.call(child, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(child, callbackfn2), false, 'Array.prototype.every.call(child, callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-9.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-9.js
new file mode 100644
index 0000000000..294a8ca36c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-2-9.js
@@ -0,0 +1,47 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every applied to Array-like object, 'length' is an
+    own accessor property that overrides an inherited accessor property
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var proto = {};
+
+Object.defineProperty(proto, "length", {
+  get: function() {
+    return 3;
+  },
+  configurable: true
+});
+
+var Con = function() {};
+Con.prototype = proto;
+
+var child = new Con();
+
+Object.defineProperty(child, "length", {
+  get: function() {
+    return 2;
+  },
+  configurable: true
+});
+
+child[0] = 12;
+child[1] = 11;
+child[2] = 9;
+
+assert(Array.prototype.every.call(child, callbackfn1), 'Array.prototype.every.call(child, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(child, callbackfn2), false, 'Array.prototype.every.call(child, callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-1.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-1.js
new file mode 100644
index 0000000000..2bb0e7335c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-1.js
@@ -0,0 +1,24 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - value of 'length' is undefined
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return val > 10;
+}
+
+var obj = {
+  0: 9,
+  length: undefined
+};
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-10.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-10.js
new file mode 100644
index 0000000000..eb41b2930b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-10.js
@@ -0,0 +1,26 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - value of 'length' is a number (value is
+    NaN)
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return val > 10;
+}
+
+var obj = {
+  0: 9,
+  length: NaN
+};
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-11.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-11.js
new file mode 100644
index 0000000000..274cecba8e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-11.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - 'length' is a string containing a positive
+    number
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var obj = {
+  0: 12,
+  1: 11,
+  2: 9,
+  length: "2"
+};
+
+assert(Array.prototype.every.call(obj, callbackfn1), 'Array.prototype.every.call(obj, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(obj, callbackfn2), false, 'Array.prototype.every.call(obj, callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-12.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-12.js
new file mode 100644
index 0000000000..574d2775d0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-12.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - 'length' is a string containing a negative
+    number
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var obj = {
+  0: 11,
+  1: 12,
+  2: 9,
+  length: "-4294967294"
+};
+
+assert(Array.prototype.every.call(obj, callbackfn1), 'Array.prototype.every.call(obj, callbackfn1) !== true');
+assert(Array.prototype.every.call(obj, callbackfn2), 'Array.prototype.every.call(obj, callbackfn2) !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-13.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-13.js
new file mode 100644
index 0000000000..67629eea18
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-13.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - 'length' is a string containing a decimal
+    number
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var obj = {
+  0: 12,
+  1: 11,
+  2: 9,
+  length: "2.5"
+};
+
+assert(Array.prototype.every.call(obj, callbackfn1), 'Array.prototype.every.call(obj, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(obj, callbackfn2), false, 'Array.prototype.every.call(obj, callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-14.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-14.js
new file mode 100644
index 0000000000..3bb80e60f6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-14.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.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - 'length' is a string containing +/-Infinity
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return val > 10;
+}
+
+var objOne = {
+  0: 9,
+  length: "Infinity"
+};
+var objTwo = {
+  0: 9,
+  length: "+Infinity"
+};
+var objThree = {
+  0: 9,
+  length: "-Infinity"
+};
+
+assert.sameValue(Array.prototype.every.call(objOne, callbackfn), false, 'Array.prototype.every.call(objOne, callbackfn)');
+assert.sameValue(Array.prototype.every.call(objTwo, callbackfn), false, 'Array.prototype.every.call(objTwo, callbackfn)');
+assert(Array.prototype.every.call(objThree, callbackfn), 'Array.prototype.every.call(objThree, callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-15.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-15.js
new file mode 100644
index 0000000000..44c8bd416a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-15.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - 'length' is a string containing an
+    exponential number
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var obj = {
+  0: 12,
+  1: 11,
+  2: 9,
+  length: "2E0"
+};
+
+assert(Array.prototype.every.call(obj, callbackfn1), 'Array.prototype.every.call(obj, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(obj, callbackfn2), false, 'Array.prototype.every.call(obj, callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-16.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-16.js
new file mode 100644
index 0000000000..e89b05d06c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-16.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - 'length' is a string containing a hex
+    number
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var obj = {
+  0: 12,
+  1: 11,
+  2: 9,
+  length: "0x0002"
+};
+
+assert(Array.prototype.every.call(obj, callbackfn1), 'Array.prototype.every.call(obj, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(obj, callbackfn2), false, 'Array.prototype.every.call(obj, callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-17.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-17.js
new file mode 100644
index 0000000000..96c78cd4ec
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-17.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - 'length' is a string containing a number
+    with leading zeros
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var obj = {
+  0: 12,
+  1: 11,
+  2: 9,
+  length: "0002.00"
+};
+
+assert(Array.prototype.every.call(obj, callbackfn1), 'Array.prototype.every.call(obj, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(obj, callbackfn2), false, 'Array.prototype.every.call(obj, callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-18.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-18.js
new file mode 100644
index 0000000000..06f0631b71
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-18.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - value of 'length' is a string that can't
+    convert to a number
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return val > 10;
+}
+
+var obj = {
+  0: 9,
+  1: 8,
+  length: "two"
+};
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-19.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-19.js
new file mode 100644
index 0000000000..f6d9887381
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-19.js
@@ -0,0 +1,43 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - value of 'length' is an Object which has
+    an own toString method
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var toStringAccessed = false;
+var obj = {
+  0: 12,
+  1: 11,
+  2: 9,
+
+  length: {
+    toString: function() {
+      toStringAccessed = true;
+      return '2';
+    }
+  }
+};
+
+// objects inherit the default valueOf() method from Object
+// that simply returns itself. Since the default valueOf() method
+// does not return a primitive value, ES next tries to convert the object
+// to a number by calling its toString() method and converting the
+// resulting string to a number.
+
+assert(Array.prototype.every.call(obj, callbackfn1), 'Array.prototype.every.call(obj, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(obj, callbackfn2), false, 'Array.prototype.every.call(obj, callbackfn2)');
+assert(toStringAccessed, 'toStringAccessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-2.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-2.js
new file mode 100644
index 0000000000..cb811b2e4c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-2.js
@@ -0,0 +1,28 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every on an Array-like object if 'length' is 1
+    (length overridden to true(type conversion))
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var obj = {
+  0: 11,
+  1: 9,
+  length: true
+};
+
+assert(Array.prototype.every.call(obj, callbackfn1), 'Array.prototype.every.call(obj, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(obj, callbackfn2), false, 'Array.prototype.every.call(obj, callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-20.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-20.js
new file mode 100644
index 0000000000..acd8b90006
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-20.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - value of 'length' is an Object which has
+    an own valueOf method
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var valueOfAccessed = false;
+
+var obj = {
+  0: 12,
+  1: 11,
+  2: 9,
+  length: {
+    valueOf: function() {
+      valueOfAccessed = true;
+      return 2;
+    }
+  }
+};
+
+assert(Array.prototype.every.call(obj, callbackfn1), 'Array.prototype.every.call(obj, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(obj, callbackfn2), false, 'Array.prototype.every.call(obj, callbackfn2)');
+assert(valueOfAccessed, 'valueOfAccessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-21.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-21.js
new file mode 100644
index 0000000000..237423b379
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-21.js
@@ -0,0 +1,44 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - 'length' is an object that has an own
+    valueOf method that returns an object and toString method that
+    returns a string
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var toStringAccessed = false;
+var valueOfAccessed = false;
+
+var obj = {
+  0: 12,
+  1: 11,
+  2: 9,
+  length: {
+    valueOf: function() {
+      valueOfAccessed = true;
+      return {};
+    },
+    toString: function() {
+      toStringAccessed = true;
+      return '2';
+    }
+  }
+};
+
+assert(Array.prototype.every.call(obj, callbackfn1), 'Array.prototype.every.call(obj, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(obj, callbackfn2), false, 'Array.prototype.every.call(obj, callbackfn2)');
+assert(valueOfAccessed, 'valueOfAccessed !== true');
+assert(toStringAccessed, 'toStringAccessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-22.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-22.js
new file mode 100644
index 0000000000..047a45dd92
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-22.js
@@ -0,0 +1,43 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every throws TypeError exception when 'length' is
+    an object with toString and valueOf methods that don�t return
+    primitive values
+---*/
+
+var callbackfnAccessed = false;
+var toStringAccessed = false;
+var valueOfAccessed = false;
+
+function callbackfn(val, idx, obj) {
+  callbackfnAccessed = true;
+  return val > 10;
+}
+
+var obj = {
+  0: 11,
+  1: 12,
+
+  length: {
+    valueOf: function() {
+      valueOfAccessed = true;
+      return {};
+    },
+    toString: function() {
+      toStringAccessed = true;
+      return {};
+    }
+  }
+};
+assert.throws(TypeError, function() {
+  Array.prototype.every.call(obj, callbackfn);
+});
+assert(toStringAccessed, 'toStringAccessed !== true');
+assert(valueOfAccessed, 'valueOfAccessed !== true');
+assert.sameValue(callbackfnAccessed, false, 'callbackfnAccessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-23.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-23.js
new file mode 100644
index 0000000000..957425b49e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-23.js
@@ -0,0 +1,51 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every uses inherited valueOf method when 'length'
+    is an object with an own toString and inherited valueOf methods
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var valueOfAccessed = false;
+var toStringAccessed = false;
+
+var proto = {
+  valueOf: function() {
+    valueOfAccessed = true;
+    return 2;
+  }
+};
+
+var Con = function() {};
+Con.prototype = proto;
+
+var child = new Con();
+
+child.toString = function() {
+  toStringAccessed = true;
+  return '1';
+};
+
+var obj = {
+  0: 12,
+  1: 11,
+  2: 9,
+  length: child
+};
+
+assert(Array.prototype.every.call(obj, callbackfn1), 'Array.prototype.every.call(obj, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(obj, callbackfn2), false, 'Array.prototype.every.call(obj, callbackfn2)');
+assert(valueOfAccessed, 'valueOfAccessed !== true');
+assert.sameValue(toStringAccessed, false, 'toStringAccessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-24.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-24.js
new file mode 100644
index 0000000000..cf3e03afb4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-24.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - value of 'length' is a positive
+    non-integer, ensure truncation occurs in the proper direction
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var obj = {
+  0: 12,
+  1: 11,
+  2: 9,
+  length: 2.685
+};
+
+assert(Array.prototype.every.call(obj, callbackfn1), 'Array.prototype.every.call(obj, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(obj, callbackfn2), false, 'Array.prototype.every.call(obj, callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-25.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-25.js
new file mode 100644
index 0000000000..a0172b5547
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-25.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.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - value of 'length' is a negative non-integer
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var obj = {
+  0: 12,
+  1: 11,
+  2: 9,
+  length: -4294967294.5
+};
+
+assert(Array.prototype.every.call(obj, callbackfn1), 'Array.prototype.every.call(obj, callbackfn1) !== true');
+assert(Array.prototype.every.call(obj, callbackfn2), 'Array.prototype.every.call(obj, callbackfn2) !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-29.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-29.js
new file mode 100644
index 0000000000..f1515ea20f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-29.js
@@ -0,0 +1,28 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - value of 'length' is boundary value (2^32
+    + 1)
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var obj = {
+  0: 11,
+  1: 9,
+  length: 4294967297
+};
+
+assert.sameValue(Array.prototype.every.call(obj, callbackfn1), false, 'Array.prototype.every.call(obj, callbackfn1)');
+assert.sameValue(Array.prototype.every.call(obj, callbackfn2), false, 'Array.prototype.every.call(obj, callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-3.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-3.js
new file mode 100644
index 0000000000..343a0f2283
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-3.js
@@ -0,0 +1,24 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - value of 'length' is a number (value is 0)
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return val > 10;
+}
+
+var obj = {
+  0: 9,
+  length: 0
+};
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-4.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-4.js
new file mode 100644
index 0000000000..39978edf22
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-4.js
@@ -0,0 +1,24 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - value of 'length' is a number (value is +0)
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return val > 10;
+}
+
+var obj = {
+  0: 9,
+  length: +0
+};
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-5.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-5.js
new file mode 100644
index 0000000000..05e0a87044
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-5.js
@@ -0,0 +1,24 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - value of 'length' is a number (value is -0)
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return val > 10;
+}
+
+var obj = {
+  0: 9,
+  length: -0
+};
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-6.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-6.js
new file mode 100644
index 0000000000..b416e4edbd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-6.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - value of 'length' is a number (value is
+    positive)
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var obj = {
+  0: 12,
+  1: 11,
+  2: 9,
+  length: 2
+};
+
+assert(Array.prototype.every.call(obj, callbackfn1), 'Array.prototype.every.call(obj, callbackfn1) !== true');
+assert.sameValue(Array.prototype.every.call(obj, callbackfn2), false, 'Array.prototype.every.call(obj, callbackfn2)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-7.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-7.js
new file mode 100644
index 0000000000..9864dabcc5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-7.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - value of 'length' is a number (value is
+    negative)
+---*/
+
+function callbackfn1(val, idx, obj) {
+  return val > 10;
+}
+
+function callbackfn2(val, idx, obj) {
+  return val > 11;
+}
+
+var obj = {
+  0: 12,
+  1: 11,
+  2: 9,
+  length: -4294967294
+}; //length used to exec while loop is 0
+
+assert(Array.prototype.every.call(obj, callbackfn1), 'Array.prototype.every.call(obj, callbackfn1) !== true');
+assert(Array.prototype.every.call(obj, callbackfn2), 'Array.prototype.every.call(obj, callbackfn2) !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-8.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-8.js
new file mode 100644
index 0000000000..89c0f289df
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-8.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.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-3-8
+description: >
+    Array.prototype.every - value of 'length' is a number (value is
+    Infinity)
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return val > 10;
+}
+
+var obj = {
+  0: 9,
+  length: Infinity
+};
+
+assert.sameValue(Array.prototype.every.call(obj, callbackfn), false, 'Array.prototype.every.call(obj, callbackfn)');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-9.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-9.js
new file mode 100644
index 0000000000..68982576f5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-3-9.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.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-3-9
+description: >
+    Array.prototype.every - value of 'length' is a number (value is
+    -Infinity)
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return val > 10;
+}
+
+var obj = {
+  0: 9,
+  length: -Infinity
+};
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-1.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-1.js
new file mode 100644
index 0000000000..660ec859fd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-1.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.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-4-1
+description: Array.prototype.every throws TypeError if callbackfn is undefined
+---*/
+
+var arr = new Array(10);
+assert.throws(TypeError, function() {
+  arr.every();
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-10.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-10.js
new file mode 100644
index 0000000000..436b110fde
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-10.js
@@ -0,0 +1,28 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-4-10
+description: >
+    Array.prototype.every - the exception is not thrown if exception
+    was thrown by step 2
+---*/
+
+var obj = {
+  0: 11,
+  1: 12
+};
+
+Object.defineProperty(obj, "length", {
+  get: function() {
+    throw new Test262Error();
+  },
+  configurable: true
+});
+
+assert.throws(Test262Error, function() {
+  Array.prototype.every.call(obj, undefined);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-11.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-11.js
new file mode 100644
index 0000000000..237922ffce
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-11.js
@@ -0,0 +1,32 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-4-11
+description: >
+    Array.prototype.every - the exception is not thrown if exception
+    was thrown by step 3
+---*/
+
+var obj = {
+  0: 11,
+  1: 12
+};
+
+Object.defineProperty(obj, "length", {
+  get: function() {
+    return {
+      toString: function() {
+        throw new Test262Error();
+      }
+    };
+  },
+  configurable: true
+});
+
+assert.throws(Test262Error, function() {
+  Array.prototype.every.call(obj, undefined);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-12.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-12.js
new file mode 100644
index 0000000000..6621699bb0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-12.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.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-4-12
+description: Array.prototype.every - 'callbackfn' is a function
+---*/
+
+function callbackfn(val, idx, obj) {
+  return val > 10;
+}
+
+assert.sameValue([11, 9].every(callbackfn), false, '[11, 9].every(callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-15.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-15.js
new file mode 100644
index 0000000000..bb36b41b38
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-15.js
@@ -0,0 +1,39 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-4-15
+description: >
+    Array.prototype.every - calling with no callbackfn is the same as
+    passing undefined for callbackfn
+---*/
+
+var obj = {
+  10: 10
+};
+var lengthAccessed = false;
+var loopAccessed = false;
+
+Object.defineProperty(obj, "length", {
+  get: function() {
+    lengthAccessed = true;
+    return 20;
+  },
+  configurable: true
+});
+
+Object.defineProperty(obj, "0", {
+  get: function() {
+    loopAccessed = true;
+    return 10;
+  },
+  configurable: true
+});
+assert.throws(TypeError, function() {
+  Array.prototype.every.call(obj);
+});
+assert(lengthAccessed, 'lengthAccessed !== true');
+assert.sameValue(loopAccessed, false, 'loopAccessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-3.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-3.js
new file mode 100644
index 0000000000..4e474a3aba
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-3.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.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-4-3
+description: Array.prototype.every throws TypeError if callbackfn is null
+---*/
+
+var arr = new Array(10);
+assert.throws(TypeError, function() {
+  arr.every(null);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-4.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-4.js
new file mode 100644
index 0000000000..41ba39632c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-4.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.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-4-4
+description: Array.prototype.every throws TypeError if callbackfn is boolean
+---*/
+
+var arr = new Array(10);
+assert.throws(TypeError, function() {
+  arr.every(true);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-5.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-5.js
new file mode 100644
index 0000000000..e8c3e10d4c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-5.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.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-4-5
+description: Array.prototype.every throws TypeError if callbackfn is number
+---*/
+
+var arr = new Array(10);
+assert.throws(TypeError, function() {
+  arr.every(5);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-6.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-6.js
new file mode 100644
index 0000000000..9f3ecf12a4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-6.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.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-4-6
+description: Array.prototype.every throws TypeError if callbackfn is string
+---*/
+
+var arr = new Array(10);
+assert.throws(TypeError, function() {
+  arr.every("abc");
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-7.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-7.js
new file mode 100644
index 0000000000..8e19f45269
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-7.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.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-4-7
+description: >
+    Array.prototype.every throws TypeError if callbackfn is Object
+    without a Call internal method
+---*/
+
+var arr = new Array(10);
+assert.throws(TypeError, function() {
+  arr.every({});
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-8.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-8.js
new file mode 100644
index 0000000000..2478684e7a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-8.js
@@ -0,0 +1,31 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-4-8
+description: >
+    Array.prototype.every - side effects produced by step 2 are
+    visible when an exception occurs
+---*/
+
+var obj = {
+  0: 11,
+  1: 12
+};
+
+var accessed = false;
+
+Object.defineProperty(obj, "length", {
+  get: function() {
+    accessed = true;
+    return 2;
+  },
+  configurable: true
+});
+assert.throws(TypeError, function() {
+  Array.prototype.every.call(obj, null);
+});
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-9.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-9.js
new file mode 100644
index 0000000000..62e27db550
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-4-9.js
@@ -0,0 +1,35 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-4-9
+description: >
+    Array.prototype.every - side effects produced by step 3 are
+    visible when an exception occurs
+---*/
+
+var obj = {
+  0: 11,
+  1: 12
+};
+
+var accessed = false;
+
+Object.defineProperty(obj, "length", {
+  get: function() {
+    return {
+      toString: function() {
+        accessed = true;
+        return "2";
+      }
+    };
+  },
+  configurable: true
+});
+assert.throws(TypeError, function() {
+  Array.prototype.every.call(obj, null);
+});
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-1-s.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-1-s.js
new file mode 100644
index 0000000000..b58627a9ac
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-1-s.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-5-1-s
+description: Array.prototype.every - thisArg not passed to strict callbackfn
+flags: [noStrict]
+---*/
+
+var innerThisCorrect = false;
+
+function callbackfn(val, idx, obj) {
+  "use strict";
+  innerThisCorrect = this === undefined;
+  return true;
+}
+
+[1].every(callbackfn);
+
+assert(innerThisCorrect, 'innerThisCorrect !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-1.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-1.js
new file mode 100644
index 0000000000..dbbd29508b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-1.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.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-5-1
+description: Array.prototype.every - thisArg not passed
+flags: [noStrict]
+---*/
+
+var global = this;
+
+function callbackfn(val, idx, obj)
+{
+  return this === global;
+}
+
+var arr = [1];
+
+assert.sameValue(arr.every(callbackfn), true, 'arr.every(callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-10.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-10.js
new file mode 100644
index 0000000000..772cdcf93e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-10.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-5-10
+description: Array.prototype.every - Array Object can be used as thisArg
+---*/
+
+var accessed = false;
+var objArray = [];
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return this === objArray;
+}
+
+
+
+assert([11].every(callbackfn, objArray), '[11].every(callbackfn, objArray) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-11.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-11.js
new file mode 100644
index 0000000000..c06aa99f50
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-11.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-5-11
+description: Array.prototype.every - String Object can be used as thisArg
+---*/
+
+var accessed = false;
+var objString = new String();
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return this === objString;
+}
+
+
+
+assert([11].every(callbackfn, objString), '[11].every(callbackfn, objString) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-12.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-12.js
new file mode 100644
index 0000000000..8429f21f1a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-12.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-5-12
+description: Array.prototype.every - Boolean Object can be used as thisArg
+---*/
+
+var accessed = false;
+var objBoolean = new Boolean();
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return this === objBoolean;
+}
+
+
+
+assert([11].every(callbackfn, objBoolean), '[11].every(callbackfn, objBoolean) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-13.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-13.js
new file mode 100644
index 0000000000..f22b4dd5bb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-13.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.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-5-13
+description: Array.prototype.every - Number Object can be used as thisArg
+---*/
+
+var accessed = false;
+var objNumber = new Number();
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return this === objNumber;
+}
+
+assert([11].every(callbackfn, objNumber), '[11].every(callbackfn, objNumber) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-14.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-14.js
new file mode 100644
index 0000000000..6cb8c66d25
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-14.js
@@ -0,0 +1,20 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-5-14
+description: Array.prototype.every - the Math object can be used as thisArg
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return this === Math;
+}
+
+assert([11].every(callbackfn, Math), '[11].every(callbackfn, Math) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-15.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-15.js
new file mode 100644
index 0000000000..0e76efc48c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-15.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.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-5-15
+description: Array.prototype.every - Date Object can be used as thisArg
+---*/
+
+var accessed = false;
+var objDate = new Date();
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return this === objDate;
+}
+
+assert([11].every(callbackfn, objDate), '[11].every(callbackfn, objDate) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-16.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-16.js
new file mode 100644
index 0000000000..2e7e8a453d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-16.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.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-5-16
+description: Array.prototype.every - RegExp Object can be used as thisArg
+---*/
+
+var accessed = false;
+var objRegExp = new RegExp();
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return this === objRegExp;
+}
+
+assert([11].every(callbackfn, objRegExp), '[11].every(callbackfn, objRegExp) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-17.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-17.js
new file mode 100644
index 0000000000..5c856a3b35
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-17.js
@@ -0,0 +1,20 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-5-17
+description: Array.prototype.every - the JSON object can be used as thisArg
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return this === JSON;
+}
+
+assert([11].every(callbackfn, JSON), '[11].every(callbackfn, JSON) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-18.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-18.js
new file mode 100644
index 0000000000..da70339083
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-18.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.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-5-18
+description: Array.prototype.every - Error Object can be used as thisArg
+---*/
+
+var accessed = false;
+var objError = new RangeError();
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return this === objError;
+}
+
+assert([11].every(callbackfn, objError), '[11].every(callbackfn, objError) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-19.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-19.js
new file mode 100644
index 0000000000..2c77316dbd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-19.js
@@ -0,0 +1,25 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-5-19
+description: Array.prototype.every - the Arguments object can be used as thisArg
+---*/
+
+var accessed = false;
+var arg;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return this === arg;
+}
+
+(function fun() {
+  arg = arguments;
+}(1, 2, 3));
+
+assert([11].every(callbackfn, arg), '[11].every(callbackfn, arg) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-2.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-2.js
new file mode 100644
index 0000000000..8a119b612b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-2.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-5-2
+description: Array.prototype.every - thisArg is Object
+---*/
+
+var res = false;
+var o = new Object();
+o.res = true;
+
+function callbackfn(val, idx, obj)
+{
+  return this.res;
+}
+
+var arr = [1];
+
+assert.sameValue(arr.every(callbackfn, o), true, 'arr.every(callbackfn, o)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-21.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-21.js
new file mode 100644
index 0000000000..f3c0bb3e2f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-21.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.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-5-21
+description: Array.prototype.every - the global object can be used as thisArg
+---*/
+
+var global = this;
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return this === global;
+}
+
+assert([11].every(callbackfn, global), '[11].every(callbackfn, global) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-22.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-22.js
new file mode 100644
index 0000000000..1439f3cca3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-22.js
@@ -0,0 +1,20 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-5-22
+description: Array.prototype.every - boolean primitive can be used as thisArg
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return this.valueOf() === false;
+}
+
+assert([11].every(callbackfn, false), '[11].every(callbackfn, false) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-23.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-23.js
new file mode 100644
index 0000000000..8726eb7180
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-23.js
@@ -0,0 +1,20 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-5-23
+description: Array.prototype.every - number primitive can be used as thisArg
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return this.valueOf() === 101;
+}
+
+assert([11].every(callbackfn, 101), '[11].every(callbackfn, 101) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-24.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-24.js
new file mode 100644
index 0000000000..6807fafebb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-24.js
@@ -0,0 +1,20 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-5-24
+description: Array.prototype.every - string primitive can be used as thisArg
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return this.valueOf() === "abc";
+}
+
+assert([11].every(callbackfn, "abc"), '[11].every(callbackfn, "abc") !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-3.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-3.js
new file mode 100644
index 0000000000..1ef5836771
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-3.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+es5id: 15.4.4.16-5-3
+description: Array.prototype.every - thisArg is Array
+---*/
+
+var res = false;
+var a = new Array();
+a.res = true;
+
+function callbackfn(val, idx, obj)
+{
+  return this.res;
+}
+
+var arr = [1];
+
+assert.sameValue(arr.every(callbackfn, a), true, 'arr.every(callbackfn, a)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-4.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-4.js
new file mode 100644
index 0000000000..e6792a467c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-4.js
@@ -0,0 +1,25 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - thisArg is object from object
+    template(prototype)
+---*/
+
+var res = false;
+
+function callbackfn(val, idx, obj)
+{
+  return this.res;
+}
+
+function foo() {}
+foo.prototype.res = true;
+var f = new foo();
+var arr = [1];
+
+assert.sameValue(arr.every(callbackfn, f), true, 'arr.every(callbackfn,f)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-5.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-5.js
new file mode 100644
index 0000000000..bd15cad257
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-5.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - thisArg is object from object template
+---*/
+
+var res = false;
+
+function callbackfn(val, idx, obj)
+{
+  return this.res;
+}
+
+function foo() {}
+var f = new foo();
+f.res = true;
+var arr = [1];
+
+assert.sameValue(arr.every(callbackfn, f), true, 'arr.every(callbackfn,f)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-6.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-6.js
new file mode 100644
index 0000000000..ae582cd1aa
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-6.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.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - thisArg is function
+---*/
+
+var res = false;
+
+function callbackfn(val, idx, obj)
+{
+  return this.res;
+}
+
+function foo() {}
+foo.res = true;
+var arr = [1];
+
+assert.sameValue(arr.every(callbackfn, foo), true, 'arr.every(callbackfn,foo)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-7.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-7.js
new file mode 100644
index 0000000000..39af89d8b9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-7.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.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - built-in functions can be used as thisArg
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return this === eval;
+}
+
+assert([11].every(callbackfn, eval), '[11].every(callbackfn, eval) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-9.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-9.js
new file mode 100644
index 0000000000..6e74e1ef9a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-5-9.js
@@ -0,0 +1,20 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - Function Object can be used as thisArg
+---*/
+
+var accessed = false;
+var objFunction = function() {};
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return this === objFunction;
+}
+
+assert([11].every(callbackfn, objFunction), '[11].every(callbackfn, objFunction) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-1.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-1.js
new file mode 100644
index 0000000000..eaf18b68c5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-1.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every considers new elements added to array after
+    the call
+---*/
+
+var calledForThree = false;
+
+function callbackfn(val, Idx, obj)
+{
+  arr[2] = 3;
+  if (val == 3)
+    calledForThree = true;
+  return true;
+}
+
+var arr = [1, 2, , 4, 5];
+
+var res = arr.every(callbackfn);
+
+assert(calledForThree, 'calledForThree !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-2.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-2.js
new file mode 100644
index 0000000000..95ca0bee7e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-2.js
@@ -0,0 +1,25 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every considers new value of elements in array
+    after the call
+---*/
+
+function callbackfn(val, Idx, obj)
+{
+  arr[4] = 6;
+  if (val < 6)
+    return true;
+  else
+    return false;
+}
+
+var arr = [1, 2, 3, 4, 5];
+
+
+assert.sameValue(arr.every(callbackfn), false, 'arr.every(callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-3.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-3.js
new file mode 100644
index 0000000000..f0af51e8b7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-3.js
@@ -0,0 +1,25 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every doesn't visit deleted elements in array
+    after the call
+---*/
+
+function callbackfn(val, Idx, obj)
+{
+  delete arr[2];
+  if (val == 3)
+    return false;
+  else
+    return true;
+}
+
+var arr = [1, 2, 3, 4, 5];
+
+
+assert.sameValue(arr.every(callbackfn), true, 'arr.every(callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-4.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-4.js
new file mode 100644
index 0000000000..8e933e580f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-4.js
@@ -0,0 +1,25 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every doesn't visit deleted elements when
+    Array.length is decreased
+---*/
+
+function callbackfn(val, Idx, obj)
+{
+  arr.length = 3;
+  if (val < 4)
+    return true;
+  else
+    return false;
+}
+
+var arr = [1, 2, 3, 4, 6];
+
+
+assert.sameValue(arr.every(callbackfn), true, 'arr.every(callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-5.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-5.js
new file mode 100644
index 0000000000..16e3d6100f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-5.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every doesn't consider newly added elements in
+    sparse array
+---*/
+
+function callbackfn(val, Idx, obj)
+{
+  arr[1000] = 3;
+  if (val < 3)
+    return true;
+  else
+    return false;
+}
+
+var arr = new Array(10);
+arr[1] = 1;
+arr[2] = 2;
+
+
+assert.sameValue(arr.every(callbackfn), true, 'arr.every(callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-6.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-6.js
new file mode 100644
index 0000000000..3c0aea28c0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-6.js
@@ -0,0 +1,28 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every visits deleted element in array after the
+    call when same index is also present in prototype
+---*/
+
+function callbackfn(val, Idx, obj)
+{
+  delete arr[2];
+  if (val == 3)
+    return false;
+  else
+    return true;
+}
+
+Array.prototype[2] = 3;
+var arr = [1, 2, 3, 4, 5];
+
+var res = arr.every(callbackfn);
+delete Array.prototype[2];
+
+assert.sameValue(res, false, 'res');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-7.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-7.js
new file mode 100644
index 0000000000..4b3366964b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-7.js
@@ -0,0 +1,26 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - Deleting the array itself within the
+    callbackfn of Array.prototype.every is successful once
+    Array.prototype.every is called for all elements
+---*/
+
+var o = new Object();
+o.arr = [1, 2, 3, 4, 5];
+
+function callbackfn(val, Idx, obj) {
+  delete o.arr;
+  if (val === Idx + 1)
+    return true;
+  else
+    return false;
+}
+
+assert(o.arr.every(callbackfn), 'o.arr.every(callbackfn) !== true');
+assert.sameValue(o.hasOwnProperty("arr"), false, 'o.hasOwnProperty("arr")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-8.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-8.js
new file mode 100644
index 0000000000..68a382931b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-8.js
@@ -0,0 +1,25 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - no observable effects occur if len is 0
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return val > 10;
+}
+
+var obj = {
+  0: 11,
+  1: 12,
+  length: 0
+};
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-9.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-9.js
new file mode 100644
index 0000000000..0e778e091d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-9.js
@@ -0,0 +1,35 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - modifications to length don't change
+    number of iterations
+---*/
+
+var called = 0;
+
+function callbackfn(val, idx, obj) {
+  called++;
+  return val > 10;
+}
+
+var obj = {
+  1: 12,
+  2: 9,
+  length: 2
+};
+
+Object.defineProperty(obj, "0", {
+  get: function() {
+    obj.length = 3;
+    return 11;
+  },
+  configurable: true
+});
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert.sameValue(called, 2, 'called');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-1.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-1.js
new file mode 100644
index 0000000000..b221961a43
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-1.js
@@ -0,0 +1,25 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - callbackfn not called for indexes never
+    been assigned values
+---*/
+
+var callCnt = 0.;
+
+function callbackfn(val, Idx, obj)
+{
+  callCnt++;
+  return true;
+}
+
+var arr = new Array(10);
+arr[1] = undefined;
+arr.every(callbackfn);
+
+assert.sameValue(callCnt, 1, 'callCnt');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-10.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-10.js
new file mode 100644
index 0000000000..67d49de5dd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-10.js
@@ -0,0 +1,35 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - deleting property of prototype causes
+    prototype index property not to be visited on an Array-like Object
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return idx !== 1;
+}
+var arr = {
+  2: 2,
+  length: 20
+};
+
+Object.defineProperty(arr, "0", {
+  get: function() {
+    delete Object.prototype[1];
+    return 0;
+  },
+  configurable: true
+});
+
+Object.prototype[1] = 1;
+
+assert(Array.prototype.every.call(arr, callbackfn), 'Array.prototype.every.call(arr, callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-11.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-11.js
new file mode 100644
index 0000000000..5b92707559
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-11.js
@@ -0,0 +1,32 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - deleting property of prototype causes
+    prototype index property not to be visited on an Array
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return idx !== 1;
+}
+var arr = [0, , 2];
+
+Object.defineProperty(arr, "0", {
+  get: function() {
+    delete Array.prototype[1];
+    return 0;
+  },
+  configurable: true
+});
+
+Array.prototype[1] = 1;
+
+assert(arr.every(callbackfn), 'arr.every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-12.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-12.js
new file mode 100644
index 0000000000..77d666ec9c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-12.js
@@ -0,0 +1,38 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - deleting own property with prototype
+    property causes prototype index property to be visited on an
+    Array-like object
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 1 && val === 1) {
+    return false;
+  } else {
+    return true;
+  }
+}
+var arr = {
+  0: 0,
+  1: 111,
+  2: 2,
+  length: 10
+};
+
+Object.defineProperty(arr, "0", {
+  get: function() {
+    delete arr[1];
+    return 0;
+  },
+  configurable: true
+});
+
+Object.prototype[1] = 1;
+
+assert.sameValue(Array.prototype.every.call(arr, callbackfn), false, 'Array.prototype.every.call(arr, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-13.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-13.js
new file mode 100644
index 0000000000..0fa44eca4d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-13.js
@@ -0,0 +1,32 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - deleting own property with prototype
+    property causes prototype index property to be visited on an Array
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 1 && val === 1) {
+    return false;
+  } else {
+    return true;
+  }
+}
+var arr = [0, 111, 2];
+
+Object.defineProperty(arr, "0", {
+  get: function() {
+    delete arr[1];
+    return 0;
+  },
+  configurable: true
+});
+
+Array.prototype[1] = 1;
+
+assert.sameValue(arr.every(callbackfn), false, 'arr.every(callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-14.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-14.js
new file mode 100644
index 0000000000..19b1312ebd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-14.js
@@ -0,0 +1,30 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - decreasing length of array causes index
+    property not to be visited
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return idx !== 3;
+}
+var arr = [0, 1, 2, "last"];
+
+Object.defineProperty(arr, "0", {
+  get: function() {
+    arr.length = 3;
+    return 0;
+  },
+  configurable: true
+});
+
+assert(arr.every(callbackfn), 'arr.every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-15.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-15.js
new file mode 100644
index 0000000000..fce7ac918e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-15.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - decreasing length of array with prototype
+    property causes prototype index property to be visited
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 2 && val === "prototype") {
+    return false;
+  } else {
+    return true;
+  }
+}
+var arr = [0, 1, 2];
+
+Object.defineProperty(Array.prototype, "2", {
+  get: function() {
+    return "prototype";
+  },
+  configurable: true
+});
+
+Object.defineProperty(arr, "1", {
+  get: function() {
+    arr.length = 2;
+    return 1;
+  },
+  configurable: true
+});
+
+assert.sameValue(arr.every(callbackfn), false, 'arr.every(callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-16.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-16.js
new file mode 100644
index 0000000000..e60d1682bb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-16.js
@@ -0,0 +1,39 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - decreasing length of array does not delete
+    non-configurable properties
+flags: [noStrict]
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 2 && val === "unconfigurable") {
+    return false;
+  } else {
+    return true;
+  }
+}
+
+var arr = [0, 1, 2];
+
+Object.defineProperty(arr, "2", {
+  get: function() {
+    return "unconfigurable";
+  },
+  configurable: false
+});
+
+Object.defineProperty(arr, "1", {
+  get: function() {
+    arr.length = 2;
+    return 1;
+  },
+  configurable: true
+});
+
+assert.sameValue(arr.every(callbackfn), false, 'arr.every(callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-2.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-2.js
new file mode 100644
index 0000000000..25914b29bd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-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.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - added properties in step 2 are visible here
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 2 && val === "length") {
+    return false;
+  } else {
+    return true;
+  }
+}
+
+var arr = {};
+
+Object.defineProperty(arr, "length", {
+  get: function() {
+    arr[2] = "length";
+    return 3;
+  },
+  configurable: true
+});
+
+assert.sameValue(Array.prototype.every.call(arr, callbackfn), false, 'Array.prototype.every.call(arr, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-3.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-3.js
new file mode 100644
index 0000000000..73a2623d5f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-3.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - deleted properties in step 2 are visible
+    here
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return idx !== 2;
+}
+var arr = {
+  2: 6.99,
+  8: 19
+};
+
+Object.defineProperty(arr, "length", {
+  get: function() {
+    delete arr[2];
+    return 10;
+  },
+  configurable: true
+});
+
+assert(Array.prototype.every.call(arr, callbackfn), 'Array.prototype.every.call(arr, callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-4.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-4.js
new file mode 100644
index 0000000000..2b87ad1e0d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-4.js
@@ -0,0 +1,38 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - properties added into own object after
+    current position are visited on an Array-like object
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 1 && val === 1) {
+    return false;
+  } else {
+    return true;
+  }
+}
+
+var arr = {
+  length: 2
+};
+
+Object.defineProperty(arr, "0", {
+  get: function() {
+    Object.defineProperty(arr, "1", {
+      get: function() {
+        return 1;
+      },
+      configurable: true
+    });
+    return 0;
+  },
+  configurable: true
+});
+
+assert.sameValue(Array.prototype.every.call(arr, callbackfn), false, 'Array.prototype.every.call(arr, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-5.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-5.js
new file mode 100644
index 0000000000..cda8b9df39
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-5.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - properties added into own object after
+    current position are visited on an Array
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 1 && val === 1) {
+    return false;
+  } else {
+    return true;
+  }
+}
+
+var arr = [0, , 2];
+
+Object.defineProperty(arr, "0", {
+  get: function() {
+    Object.defineProperty(arr, "1", {
+      get: function() {
+        return 1;
+      },
+      configurable: true
+    });
+    return 0;
+  },
+  configurable: true
+});
+
+assert.sameValue(arr.every(callbackfn), false, 'arr.every(callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-6.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-6.js
new file mode 100644
index 0000000000..727635b49d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-6.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - properties can be added to prototype after
+    current position are visited on an Array-like object
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 1 && val === 6.99) {
+    return false;
+  } else {
+    return true;
+  }
+}
+var arr = {
+  length: 2
+};
+
+Object.defineProperty(arr, "0", {
+  get: function() {
+    Object.defineProperty(Object.prototype, "1", {
+      get: function() {
+        return 6.99;
+      },
+      configurable: true
+    });
+    return 0;
+  },
+  configurable: true
+});
+
+assert.sameValue(Array.prototype.every.call(arr, callbackfn), false, 'Array.prototype.every.call(arr, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-7.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-7.js
new file mode 100644
index 0000000000..9ff0cf2689
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-7.js
@@ -0,0 +1,35 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - properties can be added to prototype after
+    current position are visited on an Array
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 1 && val === 6.99) {
+    return false;
+  } else {
+    return true;
+  }
+}
+var arr = [0, , 2];
+
+Object.defineProperty(arr, "0", {
+  get: function() {
+    Object.defineProperty(Array.prototype, "1", {
+      get: function() {
+        return 6.99;
+      },
+      configurable: true
+    });
+    return 0;
+  },
+  configurable: true
+});
+
+assert.sameValue(arr.every(callbackfn), false, 'arr.every(callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-8.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-8.js
new file mode 100644
index 0000000000..f57a6a8d79
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-8.js
@@ -0,0 +1,39 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - deleting own property causes index
+    property not to be visited on an Array-like object
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return idx !== 1;
+}
+var obj = {
+  length: 2
+};
+
+Object.defineProperty(obj, "1", {
+  get: function() {
+    return 6.99;
+  },
+  configurable: true
+});
+
+Object.defineProperty(obj, "0", {
+  get: function() {
+    delete obj[1];
+    return 0;
+  },
+  configurable: true
+});
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-9.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-9.js
new file mode 100644
index 0000000000..af743c4c9a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-b-9.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - deleting own property causes index
+    property not to be visited on an Array
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return idx !== 1;
+}
+var arr = [1, 2];
+
+Object.defineProperty(arr, "1", {
+  get: function() {
+    return "6.99";
+  },
+  configurable: true
+});
+
+Object.defineProperty(arr, "0", {
+  get: function() {
+    delete arr[1];
+    return 0;
+  },
+  configurable: true
+});
+
+assert(arr.every(callbackfn), 'arr.every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-1.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-1.js
new file mode 100644
index 0000000000..a3ec312a6f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-1.js
@@ -0,0 +1,28 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is own data
+    property on an Array-like object
+---*/
+
+var kValue = {};
+
+function callbackfn(val, idx, obj) {
+  if (idx === 5) {
+    return val !== kValue;
+  } else {
+    return true;
+  }
+}
+
+var obj = {
+  5: kValue,
+  length: 100
+};
+
+assert.sameValue(Array.prototype.every.call(obj, callbackfn), false, 'Array.prototype.every.call(obj, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-10.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-10.js
new file mode 100644
index 0000000000..e6ce8319dc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-10.js
@@ -0,0 +1,30 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is own accessor
+    property on an Array
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 2) {
+    return val !== 12;
+  } else {
+    return true;
+  }
+}
+
+var arr = [];
+
+Object.defineProperty(arr, "2", {
+  get: function() {
+    return 12;
+  },
+  configurable: true
+});
+
+assert.sameValue(arr.every(callbackfn), false, 'arr.every(callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-11.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-11.js
new file mode 100644
index 0000000000..9dbb01c5c4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-11.js
@@ -0,0 +1,40 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is own accessor
+    property that overrides an inherited data property on an
+    Array-like object
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 0) {
+    return val === 5;
+  } else {
+    return true;
+  }
+}
+
+var proto = {
+  0: 5,
+  1: 6
+};
+
+var Con = function() {};
+Con.prototype = proto;
+
+var child = new Con();
+child.length = 10;
+
+Object.defineProperty(child, "0", {
+  get: function() {
+    return 11;
+  },
+  configurable: true
+});
+
+assert.sameValue(Array.prototype.every.call(child, callbackfn), false, 'Array.prototype.every.call(child, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-12.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-12.js
new file mode 100644
index 0000000000..f84e20f1bc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-12.js
@@ -0,0 +1,32 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is own accessor
+    property that overrides an inherited data property on an Array
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 0) {
+    return val === 10;
+  } else {
+    return true;
+  }
+}
+
+var arr = [];
+
+Array.prototype[0] = 10;
+
+Object.defineProperty(arr, "0", {
+  get: function() {
+    return 111;
+  },
+  configurable: true
+});
+
+assert.sameValue(arr.every(callbackfn), false, 'arr.every(callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-13.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-13.js
new file mode 100644
index 0000000000..1189f25845
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-13.js
@@ -0,0 +1,45 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is own accessor
+    property that overrides an inherited accessor property on an
+    Array-like object
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 1) {
+    return val === 6;
+  } else {
+    return true;
+  }
+}
+
+var proto = {};
+
+Object.defineProperty(proto, "1", {
+  get: function() {
+    return 6;
+  },
+  configurable: true
+});
+
+var Con = function() {};
+Con.prototype = proto;
+
+var child = new Con();
+child.length = 10;
+
+Object.defineProperty(child, "1", {
+  get: function() {
+    return 12;
+  },
+  configurable: true
+});
+
+
+assert.sameValue(Array.prototype.every.call(child, callbackfn), false, 'Array.prototype.every.call(child, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-14.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-14.js
new file mode 100644
index 0000000000..a02801f02d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-14.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is own accessor
+    property that overrides an inherited accessor property on an Array
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 0) {
+    return val === 5;
+  } else {
+    return true;
+  }
+}
+
+var arr = [];
+
+Object.defineProperty(Array.prototype, "0", {
+  get: function() {
+    return 5;
+  },
+  configurable: true
+});
+
+Object.defineProperty(arr, "0", {
+  get: function() {
+    return 11;
+  },
+  configurable: true
+});
+
+assert.sameValue(arr.every(callbackfn), false, 'arr.every(callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-15.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-15.js
new file mode 100644
index 0000000000..eafb0d8281
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-15.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is inherited
+    accessor property on an Array-like object
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 1) {
+    return val !== 11;
+  } else {
+    return true;
+  }
+}
+
+var proto = {};
+
+Object.defineProperty(proto, "1", {
+  get: function() {
+    return 11;
+  },
+  configurable: true
+});
+
+var Con = function() {};
+Con.prototype = proto;
+
+var child = new Con();
+child.length = 20;
+
+assert.sameValue(Array.prototype.every.call(child, callbackfn), false, 'Array.prototype.every.call(child, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-16.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-16.js
new file mode 100644
index 0000000000..91b7955ae5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-16.js
@@ -0,0 +1,28 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is inherited
+    accessor property on an Array
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 0) {
+    return val !== 11;
+  } else {
+    return true;
+  }
+}
+
+Object.defineProperty(Array.prototype, "0", {
+  get: function() {
+    return 11;
+  },
+  configurable: true
+});
+
+assert.sameValue([, , , ].every(callbackfn), false, '[, , , ].every(callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-17.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-17.js
new file mode 100644
index 0000000000..0b2a3ca6e0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-17.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is own accessor
+    property without a get function on an Array-like object
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return typeof val === "undefined";
+}
+
+var obj = {
+  length: 2
+};
+Object.defineProperty(obj, "1", {
+  set: function() {},
+  configurable: true
+});
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-18.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-18.js
new file mode 100644
index 0000000000..0a54c4f918
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-18.js
@@ -0,0 +1,28 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is own accessor
+    property without a get function on an Array
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return typeof val === "undefined";
+}
+
+var arr = [];
+
+Object.defineProperty(arr, "0", {
+  set: function() {},
+  configurable: true
+});
+
+assert(arr.every(callbackfn), 'arr.every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-19.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-19.js
new file mode 100644
index 0000000000..760a06ae6e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-19.js
@@ -0,0 +1,32 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is own accessor
+    property without a get function that overrides an inherited
+    accessor property on an Array-like object
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return typeof val === "undefined";
+}
+
+var obj = {
+  length: 2
+};
+Object.defineProperty(obj, "1", {
+  set: function() {},
+  configurable: true
+});
+
+Object.prototype[1] = 10;
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-2.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-2.js
new file mode 100644
index 0000000000..98b6c2bdbd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-2.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is own data
+    property on an Array
+---*/
+
+var called = 0;
+
+function callbackfn(val, idx, obj) {
+  called++;
+  return val === 11;
+}
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert.sameValue(called, 1, 'called');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-20.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-20.js
new file mode 100644
index 0000000000..e321a06144
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-20.js
@@ -0,0 +1,31 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is own accessor
+    property without a get function that overrides an inherited
+    accessor property on an Array
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return typeof val === "undefined";
+}
+
+var arr = [];
+
+Object.defineProperty(arr, "0", {
+  set: function() {},
+  configurable: true
+});
+
+Array.prototype[0] = 100;
+
+assert(arr.every(callbackfn), 'arr.every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-21.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-21.js
new file mode 100644
index 0000000000..4eb8479bf3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-21.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is inherited
+    accessor property without a get function on an Array-like object
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return typeof val === "undefined";
+}
+
+var proto = {};
+Object.defineProperty(proto, "1", {
+  set: function() {},
+  configurable: true
+});
+
+var Con = function() {};
+Con.prototype = proto;
+
+var child = new Con();
+child.length = 2;
+
+assert(Array.prototype.every.call(child, callbackfn), 'Array.prototype.every.call(child, callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-22.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-22.js
new file mode 100644
index 0000000000..ce383847fa
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-22.js
@@ -0,0 +1,26 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is inherited
+    accessor property without a get function on an Array
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return typeof val === "undefined";
+}
+
+Object.defineProperty(Array.prototype, "0", {
+  set: function() {},
+  configurable: true
+});
+
+assert([, ].every(callbackfn), '[, ].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-25.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-25.js
new file mode 100644
index 0000000000..89bdfc77b7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-25.js
@@ -0,0 +1,26 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - This object is the Arguments object which
+    implements its own property get method (number of arguments is
+    less than number of parameters)
+---*/
+
+var called = 0;
+
+function callbackfn(val, idx, obj) {
+  called++;
+  return val === 11;
+}
+
+var func = function(a, b) {
+  return Array.prototype.every.call(arguments, callbackfn);
+};
+
+assert(func(11), 'func(11) !== true');
+assert.sameValue(called, 1, 'called');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-26.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-26.js
new file mode 100644
index 0000000000..95085b4dc5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-26.js
@@ -0,0 +1,32 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - This object is the Arguments object which
+    implements its own property get method (number of arguments equals
+    number of parameters)
+---*/
+
+var called = 0;
+
+function callbackfn(val, idx, obj) {
+  called++;
+  if (idx === 0) {
+    return val === 11;
+  } else if (idx === 1) {
+    return val === 9;
+  } else {
+    return false;
+  }
+}
+
+var func = function(a, b) {
+  return Array.prototype.every.call(arguments, callbackfn);
+};
+
+assert(func(11, 9), 'func(11, 9) !== true');
+assert.sameValue(called, 2, 'called');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-27.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-27.js
new file mode 100644
index 0000000000..5828d3d03a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-27.js
@@ -0,0 +1,32 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - This object is the Arguments object which
+    implements its own property get method (number of arguments is
+    greater than number of parameters)
+---*/
+
+var called = 0;
+
+function callbackfn(val, idx, obj) {
+  called++;
+  if (idx < 2) {
+    return val > 10;
+  } else if (idx === 2) {
+    return val < 10;
+  } else {
+    return false;
+  }
+}
+
+var func = function(a, b) {
+  return Array.prototype.every.call(arguments, callbackfn);
+};
+
+assert(func(11, 12, 9), 'func(11, 12, 9) !== true');
+assert.sameValue(called, 3, 'called');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-28.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-28.js
new file mode 100644
index 0000000000..13fc6575d4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-28.js
@@ -0,0 +1,39 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element changed by getter on previous
+    iterations is observed on an Array
+---*/
+
+var preIterVisible = false;
+var arr = [];
+
+function callbackfn(val, idx, obj) {
+  return val > 10;
+}
+
+Object.defineProperty(arr, "0", {
+  get: function() {
+    preIterVisible = true;
+    return 11;
+  },
+  configurable: true
+});
+
+Object.defineProperty(arr, "1", {
+  get: function() {
+    if (preIterVisible) {
+      return 9;
+    } else {
+      return 11;
+    }
+  },
+  configurable: true
+});
+
+assert.sameValue(arr.every(callbackfn), false, 'arr.every(callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-29.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-29.js
new file mode 100644
index 0000000000..ec59d0df3e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-29.js
@@ -0,0 +1,41 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element changed by getter on previous
+    iterations is observed on an Array-like object
+---*/
+
+function callbackfn(val, idx, obj) {
+  return val > 10;
+}
+
+var preIterVisible = false;
+var obj = {
+  length: 2
+};
+
+Object.defineProperty(obj, "0", {
+  get: function() {
+    preIterVisible = true;
+    return 11;
+  },
+  configurable: true
+});
+
+Object.defineProperty(obj, "1", {
+  get: function() {
+    if (preIterVisible) {
+      return 9;
+    } else {
+      return 13;
+    }
+  },
+  configurable: true
+});
+
+assert.sameValue(Array.prototype.every.call(obj, callbackfn), false, 'Array.prototype.every.call(obj, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-3.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-3.js
new file mode 100644
index 0000000000..5d51ec7e94
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-3.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is own data
+    property that overrides an inherited data property on an Array
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 5) {
+    return val === 100;
+  } else {
+    return true;
+  }
+}
+
+var proto = {
+  0: 11,
+  5: 100
+};
+
+var Con = function() {};
+Con.prototype = proto;
+
+var child = new Con();
+child[5] = "abc";
+child.length = 10;
+
+assert.sameValue(Array.prototype.every.call(child, callbackfn), false, 'Array.prototype.every.call(child, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-30.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-30.js
new file mode 100644
index 0000000000..1827b8392c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-30.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - unnhandled exceptions happened in getter
+    terminate iteration on an Array-like object
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  if (idx > 1) {
+    accessed = true;
+  }
+  return true;
+}
+
+var obj = {
+  0: 11,
+  5: 10,
+  10: 8,
+  length: 20
+};
+Object.defineProperty(obj, "1", {
+  get: function() {
+    throw new RangeError("unhandle exception happened in getter");
+  },
+  configurable: true
+});
+assert.throws(RangeError, function() {
+  Array.prototype.every.call(obj, callbackfn);
+});
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-31.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-31.js
new file mode 100644
index 0000000000..b31a514d9b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-31.js
@@ -0,0 +1,35 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - unhandled exceptions happened in getter
+    terminate iteration on an Array
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  if (idx > 1) {
+    accessed = true;
+  }
+  return true;
+}
+
+var arr = [];
+arr[5] = 10;
+arr[10] = 100;
+
+Object.defineProperty(arr, "1", {
+  get: function() {
+    throw new RangeError("unhandle exception happened in getter");
+  },
+  configurable: true
+});
+assert.throws(RangeError, function() {
+  arr.every(callbackfn);
+});
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-4.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-4.js
new file mode 100644
index 0000000000..c80150753e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-4.js
@@ -0,0 +1,24 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is own data
+    property that overrides an inherited data property on an Array
+---*/
+
+var called = 0;
+
+function callbackfn(val, idx, obj) {
+  called++;
+  return val === 12;
+}
+
+Array.prototype[0] = 11;
+Array.prototype[1] = 11;
+
+assert([12, 12].every(callbackfn), '[12, 12].every(callbackfn) !== true');
+assert.sameValue(called, 2, 'called');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-5.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-5.js
new file mode 100644
index 0000000000..75da7d1972
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-5.js
@@ -0,0 +1,42 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is own data
+    property that overrides an inherited accessor property on an
+    Array-like object
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 0) {
+    return val === 5;
+  } else {
+    return true;
+  }
+}
+
+var proto = {};
+
+Object.defineProperty(proto, "0", {
+  get: function() {
+    return 5;
+  },
+  configurable: true
+});
+
+var Con = function() {};
+Con.prototype = proto;
+
+var child = new Con();
+child.length = 2;
+Object.defineProperty(child, "0", {
+  value: 11,
+  configurable: true
+});
+child[1] = 12;
+
+assert.sameValue(Array.prototype.every.call(child, callbackfn), false, 'Array.prototype.every.call(child, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-6.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-6.js
new file mode 100644
index 0000000000..b5a7668a9c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-6.js
@@ -0,0 +1,28 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is own data
+    property that overrides an inherited accessor property on an Array
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return val === 11;
+}
+
+Object.defineProperty(Array.prototype, "0", {
+  get: function() {
+    return 9;
+  },
+  configurable: true
+});
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-7.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-7.js
new file mode 100644
index 0000000000..9b94b838a1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-7.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is inherited data
+    property on an Array-like object
+---*/
+
+var kValue = 'abc';
+
+function callbackfn(val, idx, obj) {
+  if (idx === 5) {
+    return val !== kValue;
+  } else {
+    return true;
+  }
+}
+
+var proto = {
+  5: kValue
+};
+
+var Con = function() {};
+Con.prototype = proto;
+
+var child = new Con();
+child.length = 10;
+
+assert.sameValue(Array.prototype.every.call(child, callbackfn), false, 'Array.prototype.every.call(child, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-8.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-8.js
new file mode 100644
index 0000000000..d3acaa169d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-8.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is inherited data
+    property on an Array
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 1) {
+    return val !== 13;
+  } else {
+    return true;
+  }
+}
+
+Array.prototype[1] = 13;
+
+assert.sameValue([, , , ].every(callbackfn), false, '[, , , ].every(callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-9.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-9.js
new file mode 100644
index 0000000000..5676f4d329
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-i-9.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element to be retrieved is own accessor
+    property on an Array-like object
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 0) {
+    return val !== 11;
+  } else {
+    return true;
+  }
+}
+
+var obj = {
+  10: 10,
+  length: 20
+};
+
+Object.defineProperty(obj, "0", {
+  get: function() {
+    return 11;
+  },
+  configurable: true
+});
+
+
+assert.sameValue(Array.prototype.every.call(obj, callbackfn), false, 'Array.prototype.every.call(obj, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-1.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-1.js
new file mode 100644
index 0000000000..cafd32233c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-1.js
@@ -0,0 +1,20 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - callbackfn called with correct parameters
+---*/
+
+function callbackfn(val, Idx, obj)
+{
+  if (obj[Idx] === val)
+    return true;
+}
+
+var arr = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
+
+
+assert.sameValue(arr.every(callbackfn), true, 'arr.every(callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-10.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-10.js
new file mode 100644
index 0000000000..8e70a78688
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-10.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - callbackfn is called with 1 formal
+    parameter
+---*/
+
+var called = 0;
+
+function callbackfn(val) {
+  called++;
+  return val > 10;
+}
+
+assert([11, 12].every(callbackfn), '[11, 12].every(callbackfn) !== true');
+assert.sameValue(called, 2, 'called');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-11.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-11.js
new file mode 100644
index 0000000000..8f62a39f46
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-11.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - callbackfn is called with 2 formal
+    parameter
+---*/
+
+var called = 0;
+
+function callbackfn(val, idx) {
+  called++;
+  return val > 10 && arguments[2][idx] === val;
+}
+
+assert([11, 12].every(callbackfn), '[11, 12].every(callbackfn) !== true');
+assert.sameValue(called, 2, 'called');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-12.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-12.js
new file mode 100644
index 0000000000..41a1faeb43
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-12.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - callbackfn is called with 3 formal
+    parameter
+---*/
+
+var called = 0;
+
+function callbackfn(val, idx, obj) {
+  called++;
+  return val > 10 && obj[idx] === val;
+}
+
+assert([11, 12, 13].every(callbackfn), '[11, 12, 13].every(callbackfn) !== true');
+assert.sameValue(called, 3, 'called');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-13.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-13.js
new file mode 100644
index 0000000000..1744fed957
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - callbackfn that uses arguments object to
+    get parameter value
+---*/
+
+var called = 0;
+
+function callbackfn() {
+  called++;
+  return arguments[2][arguments[1]] === arguments[0];
+}
+
+assert([11, 12].every(callbackfn), '[11, 12].every(callbackfn) !== true');
+assert.sameValue(called, 2, 'called');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-16.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-16.js
new file mode 100644
index 0000000000..f3703a9d63
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-16.js
@@ -0,0 +1,26 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - 'this' of 'callbackfn' is a Boolean object
+    when T is not an object (T is a boolean primitive)
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return this.valueOf() !== false;
+}
+
+var obj = {
+  0: 11,
+  length: 2
+};
+
+assert.sameValue(Array.prototype.every.call(obj, callbackfn, false), false, 'Array.prototype.every.call(obj, callbackfn, false)');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-17.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-17.js
new file mode 100644
index 0000000000..c802a549d1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-17.js
@@ -0,0 +1,26 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every -'this' of 'callbackfn' is a Number object
+    when T is not an object (T is a number primitive)
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, o) {
+  accessed = true;
+  return 5 === this.valueOf();
+}
+
+var obj = {
+  0: 11,
+  length: 2
+};
+
+assert(Array.prototype.every.call(obj, callbackfn, 5), 'Array.prototype.every.call(obj, callbackfn, 5) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-18.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-18.js
new file mode 100644
index 0000000000..0efd97e77f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-18.js
@@ -0,0 +1,26 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - 'this' of 'callbackfn' is an String object
+    when T is not an object (T is a string primitive)
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return 'hello' === this.valueOf();
+}
+
+var obj = {
+  0: 11,
+  length: 2
+};
+
+assert(Array.prototype.every.call(obj, callbackfn, "hello"), 'Array.prototype.every.call(obj, callbackfn, "hello") !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-19.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-19.js
new file mode 100644
index 0000000000..074faed23a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-19.js
@@ -0,0 +1,26 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - non-indexed properties are not called
+---*/
+
+var called = 0;
+
+function callbackfn(val, idx, obj) {
+  called++;
+  return val !== 8;
+}
+
+var obj = {
+  0: 11,
+  10: 12,
+  non_index_property: 8,
+  length: 20
+};
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert.sameValue(called, 2, 'called');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-2.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-2.js
new file mode 100644
index 0000000000..9ff21a0194
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-2.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.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - callbackfn takes 3 arguments
+---*/
+
+function callbackfn(val, Idx, obj)
+{
+  if (arguments.length === 3) //verify if callbackfn was called with 3 parameters
+    return true;
+}
+
+var arr = [0, 1, true, null, new Object(), "five"];
+arr[999999] = -6.6;
+
+
+assert.sameValue(arr.every(callbackfn), true, 'arr.every(callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-20.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-20.js
new file mode 100644
index 0000000000..31df2f4e2e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-20.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - callbackfn called with correct parameters
+    (thisArg is correct)
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return 10 === this.threshold;
+}
+
+var thisArg = {
+  threshold: 10
+};
+
+var obj = {
+  0: 11,
+  length: 1
+};
+
+assert(Array.prototype.every.call(obj, callbackfn, thisArg), 'Array.prototype.every.call(obj, callbackfn, thisArg) !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-21.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-21.js
new file mode 100644
index 0000000000..008fa8586c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-21.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - callbackfn called with correct parameters
+    (kValue is correct)
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  if (idx === 0) {
+    return val === 11;
+  }
+
+  if (idx === 1) {
+    return val === 12;
+  }
+
+}
+
+var obj = {
+  0: 11,
+  1: 12,
+  length: 2
+};
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-22.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-22.js
new file mode 100644
index 0000000000..70d72b873f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-22.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - callbackfn called with correct parameters
+    (the index k is correct)
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  if (val === 11) {
+    return idx === 0;
+  }
+
+  if (val === 12) {
+    return idx === 1;
+  }
+
+}
+
+var obj = {
+  0: 11,
+  1: 12,
+  length: 2
+};
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-23.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-23.js
new file mode 100644
index 0000000000..ac38a0b929
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-23.js
@@ -0,0 +1,26 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - callbackfn called with correct parameters
+    (this object O is correct)
+---*/
+
+var called = 0;
+var obj = {
+  0: 11,
+  1: 12,
+  length: 2
+};
+
+function callbackfn(val, idx, o) {
+  called++;
+  return obj === o;
+}
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert.sameValue(called, 2, 'called');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-3.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-3.js
new file mode 100644
index 0000000000..a0f62215e9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-3.js
@@ -0,0 +1,28 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every immediately returns false if callbackfn
+    returns false
+---*/
+
+var callCnt = 0;
+
+function callbackfn(val, idx, obj)
+{
+  callCnt++;
+  if (idx > 5)
+    return false;
+  else
+    return true;
+}
+
+var arr = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
+
+
+assert.sameValue(arr.every(callbackfn), false, 'arr.every(callbackfn)');
+assert.sameValue(callCnt, 7, 'callCnt');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-4.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-4.js
new file mode 100644
index 0000000000..6962bc7c4f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-4.js
@@ -0,0 +1,28 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - k values are passed in ascending numeric
+    order
+---*/
+
+var arr = [0, 1, 2, 3, 4, 5];
+var lastIdx = 0;
+var called = 0;
+
+function callbackfn(val, idx, o) {
+  called++;
+  if (lastIdx !== idx) {
+    return false;
+  } else {
+    lastIdx++;
+    return true;
+  }
+}
+
+assert(arr.every(callbackfn), 'arr.every(callbackfn) !== true');
+assert.sameValue(arr.length, called, 'arr.length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-5.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-5.js
new file mode 100644
index 0000000000..655134d01a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - k values are accessed during each
+    iteration and not prior to starting the loop on an Array
+---*/
+
+var called = 0;
+var kIndex = [];
+
+//By below way, we could verify that k would be setted as 0, 1, ..., length - 1 in order, and each value will be setted one time.
+function callbackfn(val, idx, obj) {
+  called++;
+  //Each position should be visited one time, which means k is accessed one time during iterations.
+  if (typeof kIndex[idx] === "undefined") {
+    //when current position is visited, its previous index should has been visited.
+    if (idx !== 0 && typeof kIndex[idx - 1] === "undefined") {
+      return false;
+    }
+    kIndex[idx] = 1;
+    return true;
+  } else {
+    return false;
+  }
+}
+
+assert([11, 12, 13, 14].every(callbackfn, undefined), '[11, 12, 13, 14].every(callbackfn, undefined) !== true');
+assert.sameValue(called, 4, 'called');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-6.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-6.js
new file mode 100644
index 0000000000..16eba872ab
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-6.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.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - arguments to callbackfn are self consistent
+---*/
+
+var accessed = false;
+var thisArg = {};
+var obj = {
+  0: 11,
+  length: 1
+};
+
+function callbackfn() {
+  accessed = true;
+  return this === thisArg &&
+    arguments[0] === 11 &&
+    arguments[1] === 0 &&
+    arguments[2] === obj;
+}
+
+assert(Array.prototype.every.call(obj, callbackfn, thisArg), 'Array.prototype.every.call(obj, callbackfn, thisArg) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-7.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-7.js
new file mode 100644
index 0000000000..7f6039c2f4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-7.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - unhandled exceptions happened in
+    callbackfn terminate iteration
+---*/
+
+var called = 0;
+
+function callbackfn(val, idx, obj) {
+  called++;
+  if (called === 1) {
+    throw new Test262Error("Exception occurred in callbackfn");
+  }
+  return true;
+}
+
+var obj = {
+  0: 11,
+  4: 10,
+  10: 8,
+  length: 20
+};
+
+assert.throws(Test262Error, function() {
+  Array.prototype.every.call(obj, callbackfn);
+});
+
+assert.sameValue(called, 1, 'called');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-8.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-8.js
new file mode 100644
index 0000000000..3ca6cfa324
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-8.js
@@ -0,0 +1,28 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - element changed by callbackfn on previous
+    iterations is observed
+---*/
+
+var obj = {
+  0: 11,
+  1: 12,
+  length: 2
+};
+
+function callbackfn(val, idx, o) {
+  if (idx === 0) {
+    obj[idx + 1] = 8;
+  }
+  return val > 10;
+}
+
+
+
+assert.sameValue(Array.prototype.every.call(obj, callbackfn), false, 'Array.prototype.every.call(obj, callbackfn)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-9.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-9.js
new file mode 100644
index 0000000000..e3f1679c60
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-ii-9.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - callbackfn is called with 0 formal
+    parameter
+---*/
+
+var called = 0;
+
+function callbackfn() {
+  called++;
+  return true;
+}
+
+assert([11, 12].every(callbackfn), '[11, 12].every(callbackfn) !== true');
+assert.sameValue(called, 2, 'called');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-1.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-1.js
new file mode 100644
index 0000000000..822414b772
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-1.js
@@ -0,0 +1,25 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - return value of callbackfn is undefined
+---*/
+
+var accessed = false;
+var obj = {
+  0: 11,
+  length: 1
+};
+
+function callbackfn(val, idx, o) {
+  accessed = true;
+  return undefined;
+}
+
+
+
+assert.sameValue(Array.prototype.every.call(obj, callbackfn), false, 'Array.prototype.every.call(obj, callbackfn)');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-10.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-10.js
new file mode 100644
index 0000000000..ddba79131b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-10.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is a number
+    (value is Infinity)
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return Infinity;
+}
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-11.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-11.js
new file mode 100644
index 0000000000..4e0da36fe9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-11.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is a number
+    (value is -Infinity)
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return -Infinity;
+}
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-12.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-12.js
new file mode 100644
index 0000000000..3849133131
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-12.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is a number
+    (value is NaN)
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return NaN;
+}
+
+assert.sameValue([11].every(callbackfn), false, '[11].every(callbackfn)');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-13.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-13.js
new file mode 100644
index 0000000000..3edcf5499d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is an empty
+    string
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return "";
+}
+
+assert.sameValue([11].every(callbackfn), false, '[11].every(callbackfn)');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-14.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-14.js
new file mode 100644
index 0000000000..52a5f92bab
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-14.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is a non-empty
+    string
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return "non-empty string";
+}
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-15.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-15.js
new file mode 100644
index 0000000000..88c930c3bd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-15.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is a Function
+    object
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return function() {};
+}
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-16.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-16.js
new file mode 100644
index 0000000000..94f14a52e2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-16.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is an Array
+    object
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return [];
+}
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-17.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-17.js
new file mode 100644
index 0000000000..09bfc4a0f5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-17.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is a String
+    object
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return new String();
+}
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-18.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-18.js
new file mode 100644
index 0000000000..5de172c4c0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-18.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is a Boolean
+    object
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return new Boolean();
+}
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-19.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-19.js
new file mode 100644
index 0000000000..a53fff8bc0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-19.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is a Number
+    object
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return new Number();
+}
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-2.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-2.js
new file mode 100644
index 0000000000..be850ac536
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-2.js
@@ -0,0 +1,25 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - return value of callbackfn is null
+---*/
+
+var accessed = false;
+var obj = {
+  0: 11,
+  length: 1
+};
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return null;
+}
+
+
+
+assert.sameValue(Array.prototype.every.call(obj, callbackfn), false, 'Array.prototype.every.call(obj, callbackfn)');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-20.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-20.js
new file mode 100644
index 0000000000..5f20d29720
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-20.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is the Math
+    object
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return Math;
+}
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-21.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-21.js
new file mode 100644
index 0000000000..6ce6fa52ef
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-21.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.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - return value of callbackfn is a Date object
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return new Date();
+}
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-22.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-22.js
new file mode 100644
index 0000000000..3fd482cc75
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-22.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is a RegExp
+    object
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return new RegExp();
+}
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-23.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-23.js
new file mode 100644
index 0000000000..d18cf83cff
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-23.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is the JSON
+    object
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return JSON;
+}
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-24.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-24.js
new file mode 100644
index 0000000000..58cad1d777
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-24.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is an Error
+    object
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return new EvalError();
+}
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-25.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-25.js
new file mode 100644
index 0000000000..05680e0df5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-25.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is the
+    Arguments object
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return arguments;
+}
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-27.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-27.js
new file mode 100644
index 0000000000..3985d330dd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-27.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is the global
+    object
+---*/
+
+var global = this;
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return global;
+}
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-28.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-28.js
new file mode 100644
index 0000000000..f4fde7c5c2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-28.js
@@ -0,0 +1,46 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - false prevents further side effects
+---*/
+
+var result = false;
+var obj = {
+  length: 20
+};
+
+function callbackfn(val, idx, obj) {
+  if (idx > 1) {
+    result = true;
+  }
+  return val > 10;
+}
+
+Object.defineProperty(obj, "0", {
+  get: function() {
+    return 11;
+  },
+  configurable: true
+});
+
+Object.defineProperty(obj, "1", {
+  get: function() {
+    return 8;
+  },
+  configurable: true
+});
+
+Object.defineProperty(obj, "2", {
+  get: function() {
+    result = true;
+    return 8;
+  },
+  configurable: true
+});
+
+assert.sameValue(Array.prototype.every.call(obj, callbackfn), false, 'Array.prototype.every.call(obj, callbackfn)');
+assert.sameValue(result, false, 'result');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-29.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-29.js
new file mode 100644
index 0000000000..77a3b0894f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-29.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value (new Boolean(false)) of
+    callbackfn is treated as true value
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return new Boolean(false);
+}
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-3.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-3.js
new file mode 100644
index 0000000000..0a7c070b47
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-3.js
@@ -0,0 +1,25 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is a boolean
+    (value is false)
+---*/
+
+var accessed = false;
+var obj = {
+  0: 11,
+  length: 1
+};
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return false;
+}
+
+assert.sameValue(Array.prototype.every.call(obj, callbackfn), false, 'Array.prototype.every.call(obj, callbackfn)');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-4.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-4.js
new file mode 100644
index 0000000000..8d090b844c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-4.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is a boolean
+    (value is true)
+---*/
+
+var accessed = false;
+var obj = {
+  0: 11,
+  length: 1
+};
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return true;
+}
+
+
+
+assert(Array.prototype.every.call(obj, callbackfn), 'Array.prototype.every.call(obj, callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-5.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-5.js
new file mode 100644
index 0000000000..1560afa6e0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-5.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is a number
+    (value is 0)
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return 0;
+}
+
+assert.sameValue([11].every(callbackfn), false, '[11].every(callbackfn)');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-6.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-6.js
new file mode 100644
index 0000000000..23eeb249b3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-6.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is a number
+    (value is +0)
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return +0;
+}
+
+assert.sameValue([11].every(callbackfn), false, '[11].every(callbackfn)');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-7.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-7.js
new file mode 100644
index 0000000000..1dbb74c91b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is a nunmber
+    (value is -0)
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return -0;
+}
+
+assert.sameValue([11].every(callbackfn), false, '[11].every(callbackfn)');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-8.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-8.js
new file mode 100644
index 0000000000..9998803a04
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-8.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is a number
+    (value is positive number)
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return 5;
+}
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-9.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-9.js
new file mode 100644
index 0000000000..45731e95a5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-7-c-iii-9.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every - return value of callbackfn is a number
+    (value is negative number)
+---*/
+
+var accessed = false;
+
+function callbackfn(val, idx, obj) {
+  accessed = true;
+  return -5;
+}
+
+assert([11].every(callbackfn), '[11].every(callbackfn) !== true');
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-1.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-1.js
new file mode 100644
index 0000000000..e21788de75
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-1.js
@@ -0,0 +1,14 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every returns true if 'length' is 0 (empty array)
+---*/
+
+function cb() {}
+var i = [].every(cb);
+
+assert.sameValue(i, true, 'i');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-10.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-10.js
new file mode 100644
index 0000000000..8be8730c95
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-10.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.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every - subclassed array when length is reduced
+---*/
+
+foo.prototype = new Array(1, 2, 3);
+
+function foo() {}
+var f = new foo();
+f.length = 2;
+
+function cb(val)
+{
+  if (val > 2)
+    return false;
+  else
+    return true;
+}
+var i = f.every(cb);
+
+
+assert.sameValue(i, true, 'i');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-11.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-11.js
new file mode 100644
index 0000000000..0ffed8116e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-11.js
@@ -0,0 +1,25 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every returns true when all calls to callbackfn
+    return true
+---*/
+
+var callCnt = 0;
+
+function callbackfn(val, idx, obj)
+{
+  callCnt++;
+  return true;
+}
+
+var arr = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
+
+
+assert.sameValue(arr.every(callbackfn), true, 'arr.every(callbackfn)');
+assert.sameValue(callCnt, 10, 'callCnt');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-12.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-12.js
new file mode 100644
index 0000000000..f26076a8a5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-12.js
@@ -0,0 +1,24 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every doesn't mutate the array on which it is
+    called on
+---*/
+
+function callbackfn(val, idx, obj)
+{
+  return true;
+}
+var arr = [1, 2, 3, 4, 5];
+arr.every(callbackfn);
+
+assert.sameValue(arr[0], 1, 'arr[0]');
+assert.sameValue(arr[1], 2, 'arr[1]');
+assert.sameValue(arr[2], 3, 'arr[2]');
+assert.sameValue(arr[3], 4, 'arr[3]');
+assert.sameValue(arr[4], 5, 'arr[4]');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-13.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-13.js
new file mode 100644
index 0000000000..73ddb2f547
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-13.js
@@ -0,0 +1,25 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every doesn't visit expandos
+---*/
+
+var callCnt = 0;
+
+function callbackfn(val, idx, obj)
+{
+  callCnt++;
+  return true;
+}
+
+var arr = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
+arr["i"] = 10;
+arr[true] = 11;
+
+
+assert.sameValue(arr.every(callbackfn), true, 'arr.every(callbackfn)');
+assert.sameValue(callCnt, 10, 'callCnt');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-2.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-2.js
new file mode 100644
index 0000000000..cfceada732
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-2.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every returns true if 'length' is 0 (subclassed
+    Array, length overridden to null (type conversion))
+---*/
+
+foo.prototype = new Array(1, 2, 3);
+
+function foo() {}
+var f = new foo();
+f.length = null;
+
+function cb() {}
+var i = f.every(cb);
+
+
+assert.sameValue(i, true, 'i');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-3.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-3.js
new file mode 100644
index 0000000000..0848d2a83c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-3.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every returns true if 'length' is 0 (subclassed
+    Array, length overridden to false (type conversion))
+---*/
+
+foo.prototype = new Array(1, 2, 3);
+
+function foo() {}
+var f = new foo();
+f.length = false;
+
+function cb() {}
+var i = f.every(cb);
+
+
+assert.sameValue(i, true, 'i');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-4.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-4.js
new file mode 100644
index 0000000000..9e4d263ae7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-4.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every returns true if 'length' is 0 (subclassed
+    Array, length overridden to 0 (type conversion))
+---*/
+
+foo.prototype = new Array(1, 2, 3);
+
+function foo() {}
+var f = new foo();
+f.length = 0;
+
+function cb() {}
+var i = f.every(cb);
+
+
+assert.sameValue(i, true, 'i');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-5.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-5.js
new file mode 100644
index 0000000000..df0ff6b2d4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-5.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every returns true if 'length' is 0 (subclassed
+    Array, length overridden to '0' (type conversion))
+---*/
+
+foo.prototype = new Array(1, 2, 3);
+
+function foo() {}
+var f = new foo();
+f.length = '0';
+
+function cb() {}
+var i = f.every(cb);
+
+
+assert.sameValue(i, true, 'i');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-6.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-6.js
new file mode 100644
index 0000000000..2424224c4d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-6.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every returns true if 'length' is 0 (subclassed
+    Array, length overridden with obj with valueOf)
+---*/
+
+foo.prototype = new Array(1, 2, 3);
+
+function foo() {}
+var f = new foo();
+
+var o = {
+  valueOf: function() {
+    return 0;
+  }
+};
+f.length = o;
+
+function cb() {}
+var i = f.every(cb);
+
+
+assert.sameValue(i, true, 'i');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-7.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-7.js
new file mode 100644
index 0000000000..72a6dc4569
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-7.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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every returns true if 'length' is 0 (subclassed
+    Array, length overridden with obj w/o valueOf (toString))
+---*/
+
+foo.prototype = new Array(1, 2, 3);
+
+function foo() {}
+var f = new foo();
+
+var o = {
+  toString: function() {
+    return '0';
+  }
+};
+f.length = o;
+
+// objects inherit the default valueOf method of the Object object;
+// that simply returns the itself. Since the default valueOf() method
+// does not return a primitive value, ES next tries to convert the object
+// to a number by calling its toString() method and converting the
+// resulting string to a number.
+function cb() {}
+var i = f.every(cb);
+
+
+assert.sameValue(i, true, 'i');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-8.js b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-8.js
new file mode 100644
index 0000000000..c888904a33
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/15.4.4.16-8-8.js
@@ -0,0 +1,38 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+    Array.prototype.every returns true if 'length' is 0 (subclassed
+    Array, length overridden with []
+---*/
+
+foo.prototype = new Array(1, 2, 3);
+
+function foo() {}
+var f = new foo();
+
+f.length = [];
+
+// objects inherit the default valueOf method of the Object object;
+// that simply returns the itself. Since the default valueOf() method
+// does not return a primitive value, ES next tries to convert the object
+// to a number by calling its toString() method and converting the
+// resulting string to a number.
+//
+// The toString( ) method on Array converts the array elements to strings,
+// then returns the result of concatenating these strings, with commas in
+// between. An array with no elements converts to the empty string, which
+// converts to the number 0. If an array has a single element that is a
+// number n, the array converts to a string representation of n, which is
+// then converted back to n itself. If an array contains more than one element,
+// or if its one element is not a number, the array converts to NaN.
+
+function cb() {}
+var i = f.every(cb);
+
+
+assert.sameValue(i, true, 'i');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/browser.js b/js/src/tests/test262/built-ins/Array/prototype/every/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/browser.js
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/call-with-boolean.js b/js/src/tests/test262/built-ins/Array/prototype/every/call-with-boolean.js
new file mode 100644
index 0000000000..76e4bab1a7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/call-with-boolean.js
@@ -0,0 +1,20 @@
+// Copyright (c) 2020 Rick Waldron.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: Array.prototype.every applied to boolean primitive
+---*/
+
+assert.sameValue(
+  Array.prototype.every.call(true, () => {}),
+  true,
+  'Array.prototype.every.call(true, () => {}) must return true'
+);
+assert.sameValue(
+  Array.prototype.every.call(false, () => {}),
+  true,
+  'Array.prototype.every.call(false, () => {}) must return true'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/callbackfn-resize-arraybuffer.js b/js/src/tests/test262/built-ins/Array/prototype/every/callbackfn-resize-arraybuffer.js
new file mode 100644
index 0000000000..a1a4ee5456
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/callbackfn-resize-arraybuffer.js
@@ -0,0 +1,74 @@
+// |reftest| shell-option(--enable-arraybuffer-resizable) skip-if(!ArrayBuffer.prototype.resize||!xulRuntime.shell) -- resizable-arraybuffer is not enabled unconditionally, requires shell-options
+// Copyright (C) 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-array.prototype.every
+description: TypedArray instance buffer can be resized during iteration
+includes: [testTypedArray.js, compareArray.js]
+features: [TypedArray, resizable-arraybuffer]
+---*/
+
+// If the host chooses to throw as allowed by the specification, the observed
+// behavior will be identical to the case where `ArrayBuffer.prototype.resize`
+// has not been implemented. The following assertion prevents this test from
+// passing in runtimes which have not implemented the method.
+assert.sameValue(typeof ArrayBuffer.prototype.resize, 'function');
+
+testWithTypedArrayConstructors(function(TA) {
+  var BPE = TA.BYTES_PER_ELEMENT;
+  var buffer = new ArrayBuffer(BPE * 3, {maxByteLength: BPE * 4});
+  var sample = new TA(buffer);
+  var expectedElements, expectedIndices, expectedArrays;
+  var elements, indices, arrays, result;
+
+  elements = [];
+  indices = [];
+  arrays = [];
+  result = Array.prototype.every.call(sample, function(element, index, array) {
+    if (elements.length === 0) {
+      try {
+        buffer.resize(2 * BPE);
+        expectedElements = [0, 0];
+        expectedIndices = [0, 1];
+        expectedArrays = [sample, sample];
+      } catch (_) {
+        expectedElements = [0, 0, 0];
+        expectedIndices = [0, 1, 2];
+        expectedArrays = [sample, sample, sample];
+      }
+    }
+
+    elements.push(element);
+    indices.push(index);
+    arrays.push(array);
+    return true;
+  });
+
+  assert.compareArray(elements, expectedElements, 'elements (shrink)');
+  assert.compareArray(indices, expectedIndices, 'indices (shrink)');
+  assert.compareArray(arrays, expectedArrays, 'arrays (shrink)');
+  assert.sameValue(result, true, 'result (shrink)');
+
+  elements = [];
+  indices = [];
+  arrays = [];
+  result = Array.prototype.every.call(sample, function(element, index, array) {
+    if (elements.length === 0) {
+      try {
+        buffer.resize(4 * BPE);
+      } catch (_) {}
+    }
+
+    elements.push(element);
+    indices.push(index);
+    arrays.push(array);
+    return true;
+  });
+
+  assert.compareArray(elements, expectedElements, 'elements (grow)');
+  assert.compareArray(indices, expectedIndices, 'indices (grow)');
+  assert.compareArray(arrays, expectedArrays, 'arrays (grow)');
+  assert.sameValue(result, true, 'result (grow)');
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/length.js b/js/src/tests/test262/built-ins/Array/prototype/every/length.js
new file mode 100644
index 0000000000..65015d9799
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/length.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// Copyright (C) 2017 Corey Frang. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-array.prototype.every
+description: >
+  Array.prototype.every.length value and property descriptor
+info: |
+  Array.prototype.every ( callbackfn [ , thisArg] )
+  The length property of the of function is 1.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+  Array.prototype.every.length, 1,
+  'The value of `Array.prototype.every.length` is `1`'
+);
+
+verifyNotEnumerable(Array.prototype.every, 'length');
+verifyNotWritable(Array.prototype.every, 'length');
+verifyConfigurable(Array.prototype.every, 'length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/name.js b/js/src/tests/test262/built-ins/Array/prototype/every/name.js
new file mode 100644
index 0000000000..5bb10976b6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/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.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+  Array.prototype.every.name is "every".
+info: |
+  Array.prototype.every ( callbackfn [ , thisArg] )
+
+  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(Array.prototype.every.name, "every");
+
+verifyNotEnumerable(Array.prototype.every, "name");
+verifyNotWritable(Array.prototype.every, "name");
+verifyConfigurable(Array.prototype.every, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/not-a-constructor.js b/js/src/tests/test262/built-ins/Array/prototype/every/not-a-constructor.js
new file mode 100644
index 0000000000..54dee55e8b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/not-a-constructor.js
@@ -0,0 +1,35 @@
+// 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: >
+  Array.prototype.every 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(Array.prototype.every),
+  false,
+  'isConstructor(Array.prototype.every) must return false'
+);
+
+assert.throws(TypeError, () => {
+  new Array.prototype.every(() => {});
+}, '`new Array.prototype.every(() => {})` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/prop-desc.js b/js/src/tests/test262/built-ins/Array/prototype/every/prop-desc.js
new file mode 100644
index 0000000000..1bc9174eef
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/prop-desc.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2017 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.every
+description: >
+  "every" property of Array.prototype
+info: |
+  17 ECMAScript Standard Built-in Objects
+  
+  Every other data property described in clauses 18 through 26 and in Annex B.2
+  has the attributes { [[Writable]]: true, [[Enumerable]]: false,
+    [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(typeof Array.prototype.every, 'function', 'typeof');
+
+verifyNotEnumerable(Array.prototype, "every");
+verifyWritable(Array.prototype, "every");
+verifyConfigurable(Array.prototype, "every");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/every/shell.js b/js/src/tests/test262/built-ins/Array/prototype/every/shell.js
new file mode 100644
index 0000000000..05fecd6ef1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/every/shell.js
@@ -0,0 +1,161 @@
+// GENERATED, DO NOT EDIT
+// file: testTypedArray.js
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: |
+    Collection of functions used to assert the correctness of TypedArray objects.
+defines:
+  - floatArrayConstructors
+  - nonClampedIntArrayConstructors
+  - intArrayConstructors
+  - typedArrayConstructors
+  - TypedArray
+  - testWithTypedArrayConstructors
+  - nonAtomicsFriendlyTypedArrayConstructors
+  - testWithAtomicsFriendlyTypedArrayConstructors
+  - testWithNonAtomicsFriendlyTypedArrayConstructors
+  - testTypedArrayConversions
+---*/
+
+var floatArrayConstructors = [
+  Float64Array,
+  Float32Array
+];
+
+var nonClampedIntArrayConstructors = [
+  Int32Array,
+  Int16Array,
+  Int8Array,
+  Uint32Array,
+  Uint16Array,
+  Uint8Array
+];
+
+var intArrayConstructors = nonClampedIntArrayConstructors.concat([Uint8ClampedArray]);
+
+// Float16Array is a newer feature
+// adding it to this list unconditionally would cause implementations lacking it to fail every test which uses it
+if (typeof Float16Array !== 'undefined') {
+  floatArrayConstructors.push(Float16Array);
+}
+
+/**
+ * Array containing every non-bigint typed array constructor.
+ */
+
+var typedArrayConstructors = floatArrayConstructors.concat(intArrayConstructors);
+
+/**
+ * The %TypedArray% intrinsic constructor function.
+ */
+var TypedArray = Object.getPrototypeOf(Int8Array);
+
+/**
+ * Callback for testing a typed array constructor.
+ *
+ * @callback typedArrayConstructorCallback
+ * @param {Function} Constructor the constructor object to test with.
+ */
+
+/**
+ * Calls the provided function for every typed array constructor.
+ *
+ * @param {typedArrayConstructorCallback} f - the function to call for each typed array constructor.
+ * @param {Array} selected - An optional Array with filtered typed arrays
+ */
+function testWithTypedArrayConstructors(f, selected) {
+  var constructors = selected || typedArrayConstructors;
+  for (var i = 0; i < constructors.length; ++i) {
+    var constructor = constructors[i];
+    try {
+      f(constructor);
+    } catch (e) {
+      e.message += " (Testing with " + constructor.name + ".)";
+      throw e;
+    }
+  }
+}
+
+var nonAtomicsFriendlyTypedArrayConstructors = floatArrayConstructors.concat([Uint8ClampedArray]);
+/**
+ * Calls the provided function for every non-"Atomics Friendly" typed array constructor.
+ *
+ * @param {typedArrayConstructorCallback} f - the function to call for each typed array constructor.
+ * @param {Array} selected - An optional Array with filtered typed arrays
+ */
+function testWithNonAtomicsFriendlyTypedArrayConstructors(f) {
+  testWithTypedArrayConstructors(f, nonAtomicsFriendlyTypedArrayConstructors);
+}
+
+/**
+ * Calls the provided function for every "Atomics Friendly" typed array constructor.
+ *
+ * @param {typedArrayConstructorCallback} f - the function to call for each typed array constructor.
+ * @param {Array} selected - An optional Array with filtered typed arrays
+ */
+function testWithAtomicsFriendlyTypedArrayConstructors(f) {
+  testWithTypedArrayConstructors(f, [
+    Int32Array,
+    Int16Array,
+    Int8Array,
+    Uint32Array,
+    Uint16Array,
+    Uint8Array,
+  ]);
+}
+
+/**
+ * Helper for conversion operations on TypedArrays, the expected values
+ * properties are indexed in order to match the respective value for each
+ * TypedArray constructor
+ * @param  {Function} fn - the function to call for each constructor and value.
+ *                         will be called with the constructor, value, expected
+ *                         value, and a initial value that can be used to avoid
+ *                         a false positive with an equivalent expected value.
+ */
+function testTypedArrayConversions(byteConversionValues, fn) {
+  var values = byteConversionValues.values;
+  var expected = byteConversionValues.expected;
+
+  testWithTypedArrayConstructors(function(TA) {
+    var name = TA.name.slice(0, -5);
+
+    return values.forEach(function(value, index) {
+      var exp = expected[name][index];
+      var initial = 0;
+      if (exp === 0) {
+        initial = 1;
+      }
+      fn(TA, value, exp, initial);
+    });
+  });
+}
+
+/**
+ * Checks if the given argument is one of the float-based TypedArray constructors.
+ *
+ * @param {constructor} ctor - the value to check
+ * @returns {boolean}
+ */
+function isFloatTypedArrayConstructor(arg) {
+  return floatArrayConstructors.indexOf(arg) !== -1;
+}
+
+/**
+ * Determines the precision of the given float-based TypedArray constructor.
+ *
+ * @param {constructor} ctor - the value to check
+ * @returns {string} "half", "single", or "double" for Float16Array, Float32Array, and Float64Array respectively.
+ */
+function floatTypedArrayConstructorPrecision(FA) {
+  if (typeof Float16Array !== "undefined" && FA === Float16Array) {
+    return "half";
+  } else if (FA === Float32Array) {
+    return "single";
+  } else if (FA === Float64Array) {
+    return "double";
+  } else {
+    throw new Error("Malformed test - floatTypedArrayConstructorPrecision called with non-float TypedArray");
+  }
+}