Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

322 files changed, 8504 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-0-1.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-0-1.js
new file mode 100644
index 0000000000..30be8c6b03
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-0-1.js
@@ -0,0 +1,11 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-0-1
+description: Object.create must exist as a function
+---*/
+
+assert.sameValue(typeof(Object.create), "function", 'typeof(Object.create)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-0-2.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-0-2.js
new file mode 100644
index 0000000000..c87e471910
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-0-2.js
@@ -0,0 +1,11 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-0-2
+description: Object.create must exist as a function taking 2 parameters
+---*/
+
+assert.sameValue(Object.create.length, 2, 'Object.create.length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-1-1.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-1-1.js
new file mode 100644
index 0000000000..132a3a2c04
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-1-1.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.
+
+/*---
+es5id: 15.2.3.5-1-1
+description: Object.create throws TypeError if 'O' is undefined
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create(undefined);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-1-2.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-1-2.js
new file mode 100644
index 0000000000..cf33997d5e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-1-2.js
@@ -0,0 +1,11 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-1-2
+description: Object.create TypeError is not thrown if 'O' is null
+---*/
+
+Object.create(null);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-1-3.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-1-3.js
new file mode 100644
index 0000000000..83db89429e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-1-3.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.
+
+/*---
+es5id: 15.2.3.5-1-3
+description: Object.create throws TypeError if 'O' is a boolean primitive
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create(true);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-1-4.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-1-4.js
new file mode 100644
index 0000000000..707867ba3b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-1-4.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.
+
+/*---
+es5id: 15.2.3.5-1-4
+description: Object.create throws TypeError if 'O' is a number primitive
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create(2);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-1.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-1.js
new file mode 100644
index 0000000000..ce91396dae
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-1.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.
+
+/*---
+es5id: 15.2.3.5-1
+description: Object.create throws TypeError if type of first param is not Object
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create(0);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-2-1.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-2-1.js
new file mode 100644
index 0000000000..90a3c94b7e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-2-1.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.
+
+/*---
+info: |
+    create sets the [[Prototype]] of the created object to first parameter.
+    This can be checked using isPrototypeOf, or getPrototypeOf.
+es5id: 15.2.3.5-2-1
+description: Object.create creates new Object
+---*/
+
+function base() {}
+var b = new base();
+var prop = new Object();
+var d = Object.create(b);
+
+assert.sameValue(typeof d, 'object', 'typeof d');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-2-2.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-2-2.js
new file mode 100644
index 0000000000..000675aef1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-2-2.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-2-2
+description: Object.create - returned object is an instance of Object
+---*/
+
+var newObj = Object.create({});
+
+assert(newObj instanceof Object, 'newObj instanceof Object !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-3-1.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-3-1.js
new file mode 100644
index 0000000000..12330461c2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-3-1.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.
+
+/*---
+info: |
+    create sets the [[Prototype]] of the created object to first parameter.
+    This can be checked using isPrototypeOf, or getPrototypeOf.
+es5id: 15.2.3.5-3-1
+description: Object.create sets the prototype of the passed-in object
+---*/
+
+function base() {}
+var b = new base();
+var d = Object.create(b);
+
+assert.sameValue(Object.getPrototypeOf(d), b, 'Object.getPrototypeOf(d)');
+assert.sameValue(b.isPrototypeOf(d), true, 'b.isPrototypeOf(d)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-1.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-1.js
new file mode 100644
index 0000000000..a314159269
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-1.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.
+
+/*---
+info: |
+    create sets the [[Prototype]] of the created object to first parameter.
+    This can be checked using isPrototypeOf, or getPrototypeOf.
+es5id: 15.2.3.5-4-1
+description: >
+    Object.create sets the prototype of the passed-in object and adds
+    new properties
+---*/
+
+function base() {}
+var b = new base();
+var prop = new Object();
+var d = Object.create(b, {
+  "x": {
+    value: true,
+    writable: false
+  },
+  "y": {
+    value: "str",
+    writable: false
+  }
+});
+
+assert.sameValue(Object.getPrototypeOf(d), b, 'Object.getPrototypeOf(d)');
+assert.sameValue(b.isPrototypeOf(d), true, 'b.isPrototypeOf(d)');
+assert.sameValue(d.x, true, 'd.x');
+assert.sameValue(d.y, "str", 'd.y');
+assert.sameValue(b.x, undefined, 'b.x');
+assert.sameValue(b.y, undefined, 'b.y');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-10.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-10.js
new file mode 100644
index 0000000000..259d115d7d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-10.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.
+
+/*---
+es5id: 15.2.3.5-4-10
+description: >
+    Object.create - argument 'Properties' is the Math object (15.2.3.7
+    step 2)
+---*/
+
+var result = false;
+Object.defineProperty(Math, "prop", {
+  get: function() {
+    result = (this === Math);
+    return {};
+  },
+  enumerable: true,
+  configurable: true
+});
+
+var newObj = Object.create({}, Math);
+
+assert(result, 'result !== true');
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-100.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-100.js
new file mode 100644
index 0000000000..ed3a1d5d13
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-100.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-100
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is not present (8.10.5 step 4)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    value: "ownDataProperty"
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"), "expected newObj to have 'prop'");
+verifyNotConfigurable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-101.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-101.js
new file mode 100644
index 0000000000..f325ce5059
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-101.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-101
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is own data property (8.10.5 step 4.a)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: false
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotConfigurable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-102.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-102.js
new file mode 100644
index 0000000000..b534f64345
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-102.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.
+
+/*---
+es5id: 15.2.3.5-4-102
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is an inherited data property (8.10.5 step 4.a)
+---*/
+
+var proto = {
+  configurable: true
+};
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+var result1 = newObj.hasOwnProperty("prop");
+delete newObj.prop;
+var result2 = newObj.hasOwnProperty("prop");
+
+assert.sameValue(result1, true, 'result1');
+assert.sameValue(result2, false, 'result2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-103.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-103.js
new file mode 100644
index 0000000000..4da2d10566
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-103.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.
+
+/*---
+es5id: 15.2.3.5-4-103
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is own data property that overrides an inherited data
+    property (8.10.5 step 4.a)
+includes: [propertyHelper.js]
+---*/
+
+var proto = {
+  configurable: true
+};
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "configurable", {
+  value: false
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotConfigurable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-104.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-104.js
new file mode 100644
index 0000000000..b76ea8de8b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-104.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.
+
+/*---
+es5id: 15.2.3.5-4-104
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is own data property that overrides an inherited
+    accessor property (8.10.5 step 4.a)
+includes: [propertyHelper.js]
+---*/
+
+var proto = {};
+Object.defineProperty(proto, "configurable", {
+  get: function() {
+    return true;
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "configurable", {
+  value: false
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotConfigurable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-105.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-105.js
new file mode 100644
index 0000000000..c9377acdda
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-105.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.
+
+/*---
+es5id: 15.2.3.5-4-105
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is own accessor property (8.10.5 step 4.a)
+---*/
+
+var descObj = {};
+Object.defineProperty(descObj, "configurable", {
+  get: function() {
+    return true;
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+var result1 = newObj.hasOwnProperty("prop");
+delete newObj.prop;
+var result2 = newObj.hasOwnProperty("prop");
+
+assert.sameValue(result1, true, 'result1');
+assert.sameValue(result2, false, 'result2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-106.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-106.js
new file mode 100644
index 0000000000..68941e6176
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-106.js
@@ -0,0 +1,33 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-106
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is an inherited accessor property (8.10.5 step 4.a)
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "configurable", {
+  get: function() {
+    return true;
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+var result1 = newObj.hasOwnProperty("prop");
+delete newObj.prop;
+var result2 = newObj.hasOwnProperty("prop");
+
+assert.sameValue(result1, true, 'result1');
+assert.sameValue(result2, false, 'result2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-107.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-107.js
new file mode 100644
index 0000000000..867a3f4e8c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-107.js
@@ -0,0 +1,34 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-107
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is own accessor property that overrides an inherited
+    data property (8.10.5 step 4.a)
+includes: [propertyHelper.js]
+---*/
+
+var proto = {
+  configurable: true
+};
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "configurable", {
+  get: function() {
+    return false;
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotConfigurable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-108.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-108.js
new file mode 100644
index 0000000000..14d9da3a70
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-108.js
@@ -0,0 +1,37 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-108
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is own accessor property that overrides an inherited
+    accessor property (8.10.5 step 4.a)
+includes: [propertyHelper.js]
+---*/
+
+var proto = {};
+Object.defineProperty(proto, "configurable", {
+  get: function() {
+    return true;
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "configurable", {
+  get: function() {
+    return false;
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotConfigurable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-109.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-109.js
new file mode 100644
index 0000000000..8a38c3975e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-109.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.
+
+/*---
+es5id: 15.2.3.5-4-109
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is own accessor property without a get function
+    (8.10.5 step 4.a)
+includes: [propertyHelper.js]
+---*/
+
+var descObj = {};
+Object.defineProperty(descObj, "configurable", {
+  set: function() {}
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotConfigurable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-11.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-11.js
new file mode 100644
index 0000000000..6c3b27e932
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-11.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.
+
+/*---
+es5id: 15.2.3.5-4-11
+description: >
+    Object.create - argument 'Properties' is a Date object (15.2.3.7
+    step 2)
+---*/
+
+var props = new Date();
+var result = false;
+
+Object.defineProperty(props, "prop", {
+  get: function() {
+    result = this instanceof Date;
+    return {};
+  },
+  enumerable: true
+});
+var newObj = Object.create({}, props);
+
+assert(result, 'result !== true');
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-110.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-110.js
new file mode 100644
index 0000000000..9ac2bcea84
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-110.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.
+
+/*---
+es5id: 15.2.3.5-4-110
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is own accessor property without a get function,
+    which overrides an inherited accessor property (8.10.5 step 4.a)
+includes: [propertyHelper.js]
+---*/
+
+var proto = {};
+Object.defineProperty(proto, "configurable", {
+  get: function() {
+    return true;
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "configurable", {
+  set: function() {}
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotConfigurable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-111.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-111.js
new file mode 100644
index 0000000000..e979fe76d7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-111.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.
+
+/*---
+es5id: 15.2.3.5-4-111
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is an inherited accessor property without a get
+    function (8.10.5 step 4.a)
+includes: [propertyHelper.js]
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "configurable", {
+  set: function() {}
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotConfigurable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-112.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-112.js
new file mode 100644
index 0000000000..a40a9a1fb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-112.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-112
+description: >
+    Object.create - one property in 'Properties' is a Function object
+    which implements its own [[Get]] method to access the
+    'configurable' property (8.10.5 step 4.a)
+---*/
+
+var descObj = function() {};
+
+descObj.configurable = true;
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+var result1 = newObj.hasOwnProperty("prop");
+delete newObj.prop;
+var result2 = newObj.hasOwnProperty("prop");
+
+assert.sameValue(result1, true, 'result1');
+assert.sameValue(result2, false, 'result2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-113.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-113.js
new file mode 100644
index 0000000000..33572fe9a1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-113.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-113
+description: >
+    Object.create - one property in 'Properties' is an Array object
+    that uses Object's [[Get]] method to access the 'configurable'
+    property (8.10.5 step 4.a)
+---*/
+
+var descObj = [];
+
+descObj.configurable = true;
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+var result1 = newObj.hasOwnProperty("prop");
+delete newObj.prop;
+var result2 = newObj.hasOwnProperty("prop");
+
+assert.sameValue(result1, true, 'result1');
+assert.sameValue(result2, false, 'result2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-114.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-114.js
new file mode 100644
index 0000000000..205e9e1d42
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-114.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.
+
+/*---
+es5id: 15.2.3.5-4-114
+description: >
+    Object.create - one property in 'Properties' is a String object
+    that uses Object's [[Get]] method to access the 'configurable'
+    property (8.10.5 step 4.a)
+---*/
+
+var descObj = new String();
+
+descObj.configurable = true;
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+var result1 = newObj.hasOwnProperty("prop");
+delete newObj.prop;
+var result2 = newObj.hasOwnProperty("prop");
+
+assert.sameValue(result1, true, 'result1');
+assert.sameValue(result2, false, 'result2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-115.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-115.js
new file mode 100644
index 0000000000..f944da881b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-115.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-115
+description: >
+    Object.create - one property in 'Properties' is a Boolean object
+    that uses Object's [[Get]] method to access the 'configurable'
+    property (8.10.5 step 4.a)
+---*/
+
+var descObj = new Boolean(false);
+
+descObj.configurable = true;
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+var result1 = newObj.hasOwnProperty("prop");
+delete newObj.prop;
+var result2 = newObj.hasOwnProperty("prop");
+
+assert.sameValue(result1, true, 'result1');
+assert.sameValue(result2, false, 'result2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-116.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-116.js
new file mode 100644
index 0000000000..df251a783f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-116.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-116
+description: >
+    Object.create - one property in 'Properties' is a Number object
+    that uses Object's [[Get]] method to access the 'configurable'
+    property (8.10.5 step 4.a)
+---*/
+
+var descObj = new Number(-9);
+
+descObj.configurable = true;
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+var result1 = newObj.hasOwnProperty("prop");
+delete newObj.prop;
+var result2 = newObj.hasOwnProperty("prop");
+
+assert.sameValue(result1, true, 'result1');
+assert.sameValue(result2, false, 'result2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-117.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-117.js
new file mode 100644
index 0000000000..0dbfd9468b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-117.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.
+
+/*---
+es5id: 15.2.3.5-4-117
+description: >
+    Object.create - one property in 'Properties' is the Math object
+    that uses Object's [[Get]] method to access the 'configurable'
+    property (8.10.5 step 4.a)
+---*/
+
+Math.configurable = true;
+
+var newObj = Object.create({}, {
+  prop: Math
+});
+
+var result1 = newObj.hasOwnProperty("prop");
+delete newObj.prop;
+var result2 = newObj.hasOwnProperty("prop");
+
+assert.sameValue(result1, true, 'result1');
+assert.sameValue(result2, false, 'result2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-118.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-118.js
new file mode 100644
index 0000000000..31a9b559da
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-118.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-118
+description: >
+    Object.create - one property in 'Properties' is a Date object that
+    uses Object's [[Get]] method to access the 'configurable' property
+    (8.10.5 step 4.a)
+---*/
+
+var descObj = new Date();
+
+descObj.configurable = true;
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+var result1 = newObj.hasOwnProperty("prop");
+delete newObj.prop;
+var result2 = newObj.hasOwnProperty("prop");
+
+assert.sameValue(result1, true, 'result1');
+assert.sameValue(result2, false, 'result2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-119.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-119.js
new file mode 100644
index 0000000000..8ec7819b74
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-119.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-119
+description: >
+    Object.create - one property in 'Properties' is a Date object that
+    uses Object's [[Get]] method to access the 'configurable' property
+    (8.10.5 step 4.a)
+---*/
+
+var descObj = new RegExp();
+
+descObj.configurable = true;
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+var result1 = newObj.hasOwnProperty("prop");
+delete newObj.prop;
+var result2 = newObj.hasOwnProperty("prop");
+
+assert.sameValue(result1, true, 'result1');
+assert.sameValue(result2, false, 'result2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-12.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-12.js
new file mode 100644
index 0000000000..c3f751858a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-12.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.
+
+/*---
+es5id: 15.2.3.5-4-12
+description: >
+    Object.create - argument 'Properties' is a RegExp object (15.2.3.7
+    step 2)
+---*/
+
+var props = new RegExp();
+var result = false;
+
+Object.defineProperty(props, "prop", {
+  get: function() {
+    result = this instanceof RegExp;
+    return {};
+  },
+  enumerable: true
+});
+var newObj = Object.create({}, props);
+
+assert(result, 'result !== true');
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-120.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-120.js
new file mode 100644
index 0000000000..85241c1604
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-120.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.
+
+/*---
+es5id: 15.2.3.5-4-120
+description: >
+    Object.create - one property in 'Properties' is the JSON object
+    that uses Object's [[Get]] method to access the 'configurable'
+    property (8.10.5 step 4.a)
+---*/
+
+JSON.configurable = true;
+
+var newObj = Object.create({}, {
+  prop: JSON
+});
+
+var result1 = newObj.hasOwnProperty("prop");
+delete newObj.prop;
+var result2 = newObj.hasOwnProperty("prop");
+
+assert.sameValue(result1, true, 'result1');
+assert.sameValue(result2, false, 'result2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-121.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-121.js
new file mode 100644
index 0000000000..241862ae58
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-121.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-121
+description: >
+    Object.create - one property in 'Properties' is an Error object
+    that uses Object's [[Get]] method to access the 'configurable'
+    property (8.10.5 step 4.a)
+---*/
+
+var descObj = new Error();
+
+descObj.configurable = true;
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+var result1 = newObj.hasOwnProperty("prop");
+delete newObj.prop;
+var result2 = newObj.hasOwnProperty("prop");
+
+assert.sameValue(result1, true, 'result1');
+assert.sameValue(result2, false, 'result2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-122.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-122.js
new file mode 100644
index 0000000000..438850211c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-122.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.
+
+/*---
+es5id: 15.2.3.5-4-122
+description: >
+    Object.create - one property in 'Properties' is an Arguments
+    object which implements its own [[Get]] method to access the
+    'configurable' property (8.10.5 step 4.a)
+---*/
+
+var argObj = (function() {
+  return arguments;
+})();
+
+argObj.configurable = true;
+
+var newObj = Object.create({}, {
+  prop: argObj
+});
+var result1 = newObj.hasOwnProperty("prop");
+delete newObj.prop;
+var result2 = newObj.hasOwnProperty("prop");
+
+assert.sameValue(result1, true, 'result1');
+assert.sameValue(result2, false, 'result2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-124.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-124.js
new file mode 100644
index 0000000000..2942ca1100
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-124.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.
+
+/*---
+es5id: 15.2.3.5-4-124
+description: >
+    Object.create - one property in 'Properties' is the global object
+    that uses Object's [[Get]] method to access the 'configurable'
+    property (8.10.5 step 4.a)
+---*/
+
+this.configurable = true;
+
+var newObj = Object.create({}, {
+  prop: this
+});
+
+var result1 = newObj.hasOwnProperty("prop");
+delete newObj.prop;
+var result2 = newObj.hasOwnProperty("prop");
+
+assert.sameValue(result1, true, 'result1');
+assert.sameValue(result2, false, 'result2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-125.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-125.js
new file mode 100644
index 0000000000..17eef5947c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-125.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-125
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is undefined (8.10.5 step 4.b)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: undefined
+  }
+});
+
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotConfigurable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-126.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-126.js
new file mode 100644
index 0000000000..489b57cf3e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-126.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-126
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is null (8.10.5 step 4.b)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: null
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotConfigurable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-127.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-127.js
new file mode 100644
index 0000000000..d497a08093
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-127.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.
+
+/*---
+es5id: 15.2.3.5-4-127
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is true (8.10.5 step 4.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: true
+  }
+});
+
+var beforeDeleted = newObj.hasOwnProperty("prop");
+
+delete newObj.prop;
+
+var afterDeleted = newObj.hasOwnProperty("prop");
+
+assert.sameValue(beforeDeleted, true, 'beforeDeleted');
+assert.sameValue(afterDeleted, false, 'afterDeleted');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-128.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-128.js
new file mode 100644
index 0000000000..77cb2171ae
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-128.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-128
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is false (8.10.5 step 4.b)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: false
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotConfigurable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-129.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-129.js
new file mode 100644
index 0000000000..1cf82338ee
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-129.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-129
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is 0 (8.10.5 step 4.b)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: 0
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotConfigurable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-13.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-13.js
new file mode 100644
index 0000000000..115e3764bd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-13.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-13
+description: >
+    Object.create - argument 'Properties' is the JSON object (15.2.3.7
+    step 2)
+---*/
+
+var result = false;
+
+Object.defineProperty(JSON, "prop", {
+  get: function() {
+    result = (this === JSON);
+    return {};
+  },
+  enumerable: true,
+  configurable: true
+});
+
+var newObj = Object.create({}, JSON);
+
+assert(result, 'result !== true');
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-130.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-130.js
new file mode 100644
index 0000000000..30855dd7c6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-130.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-130
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is +0 (8.10.5 step 4.b)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: +0
+  }
+});
+
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotConfigurable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-131.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-131.js
new file mode 100644
index 0000000000..a27ff05e7e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-131.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-131
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is -0 (8.10.5 step 4.b)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: -0
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotConfigurable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-132.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-132.js
new file mode 100644
index 0000000000..0f59a2aa10
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-132.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-132
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is NaN (8.10.5 step 4.b)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: NaN
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotConfigurable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-133.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-133.js
new file mode 100644
index 0000000000..994628f470
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-133.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.
+
+/*---
+es5id: 15.2.3.5-4-133
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is a positive number (8.10.5 step 4.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: 123
+  }
+});
+
+var beforeDeleted = newObj.hasOwnProperty("prop");
+
+delete newObj.prop;
+
+var afterDeleted = newObj.hasOwnProperty("prop");
+
+assert.sameValue(beforeDeleted, true, 'beforeDeleted');
+assert.sameValue(afterDeleted, false, 'afterDeleted');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-134.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-134.js
new file mode 100644
index 0000000000..ba54db1dd5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-134.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.
+
+/*---
+es5id: 15.2.3.5-4-134
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is a negative number (8.10.5 step 4.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: -123
+  }
+});
+
+var beforeDeleted = newObj.hasOwnProperty("prop");
+
+delete newObj.prop;
+
+var afterDeleted = newObj.hasOwnProperty("prop");
+
+assert.sameValue(beforeDeleted, true, 'beforeDeleted');
+assert.sameValue(afterDeleted, false, 'afterDeleted');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-135.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-135.js
new file mode 100644
index 0000000000..d6aef6ae19
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-135.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-135
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is an empty string (8.10.5 step 4.b)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: ""
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotConfigurable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-136.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-136.js
new file mode 100644
index 0000000000..50401cc845
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-136.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.
+
+/*---
+es5id: 15.2.3.5-4-136
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is a non-empty string (8.10.5 step 4.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: "abc"
+  }
+});
+
+var beforeDeleted = newObj.hasOwnProperty("prop");
+
+delete newObj.prop;
+
+var afterDeleted = newObj.hasOwnProperty("prop");
+
+assert.sameValue(beforeDeleted, true, 'beforeDeleted');
+assert.sameValue(afterDeleted, false, 'afterDeleted');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-137.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-137.js
new file mode 100644
index 0000000000..850059b6f8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-137.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.
+
+/*---
+es5id: 15.2.3.5-4-137
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is a Function object (8.10.5 step 4.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: function() {}
+  }
+});
+
+var beforeDeleted = newObj.hasOwnProperty("prop");
+
+delete newObj.prop;
+
+var afterDeleted = newObj.hasOwnProperty("prop");
+
+assert.sameValue(beforeDeleted, true, 'beforeDeleted');
+assert.sameValue(afterDeleted, false, 'afterDeleted');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-138.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-138.js
new file mode 100644
index 0000000000..7ba9ff514e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-138.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.
+
+/*---
+es5id: 15.2.3.5-4-138
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is an Array object (8.10.5 step 4.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: []
+  }
+});
+
+var beforeDeleted = newObj.hasOwnProperty("prop");
+
+delete newObj.prop;
+
+var afterDeleted = newObj.hasOwnProperty("prop");
+
+assert.sameValue(beforeDeleted, true, 'beforeDeleted');
+assert.sameValue(afterDeleted, false, 'afterDeleted');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-139.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-139.js
new file mode 100644
index 0000000000..722d99ec58
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-139.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.
+
+/*---
+es5id: 15.2.3.5-4-139
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is a String object (8.10.5 step 4.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: new String("abc")
+  }
+});
+
+var beforeDeleted = newObj.hasOwnProperty("prop");
+
+delete newObj.prop;
+
+var afterDeleted = newObj.hasOwnProperty("prop");
+
+assert.sameValue(beforeDeleted, true, 'beforeDeleted');
+assert.sameValue(afterDeleted, false, 'afterDeleted');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-14.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-14.js
new file mode 100644
index 0000000000..6b958e0a98
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-14.js
@@ -0,0 +1,33 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-14
+description: >
+    Object.create - argument 'Properties' is an Error object (15.2.3.7
+    step 2)
+---*/
+
+var props = new Error("test");
+var result = false;
+
+(Object.getOwnPropertyNames(props)).forEach(function(name) {
+  props[name] = {
+    value: 11,
+    configurable: true
+  }
+});
+
+Object.defineProperty(props, "prop15_2_3_5_4_14", {
+  get: function() {
+    result = this instanceof Error;
+    return {};
+  },
+  enumerable: true
+});
+var newObj = Object.create({}, props);
+
+assert(result, 'result !== true');
+assert(newObj.hasOwnProperty("prop15_2_3_5_4_14"), 'newObj.hasOwnProperty("prop15_2_3_5_4_14") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-140.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-140.js
new file mode 100644
index 0000000000..03933357ac
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-140.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.
+
+/*---
+es5id: 15.2.3.5-4-140
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is a Boolean object (8.10.5 step 4.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: new Boolean(true)
+  }
+});
+
+var beforeDeleted = newObj.hasOwnProperty("prop");
+
+delete newObj.prop;
+
+var afterDeleted = newObj.hasOwnProperty("prop");
+
+assert.sameValue(beforeDeleted, true, 'beforeDeleted');
+assert.sameValue(afterDeleted, false, 'afterDeleted');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-141.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-141.js
new file mode 100644
index 0000000000..6b4c8f931b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-141.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.
+
+/*---
+es5id: 15.2.3.5-4-141
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is a Number object (8.10.5 step 4.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: new Number(123)
+  }
+});
+
+var beforeDeleted = newObj.hasOwnProperty("prop");
+
+delete newObj.prop;
+
+var afterDeleted = newObj.hasOwnProperty("prop");
+
+assert.sameValue(beforeDeleted, true, 'beforeDeleted');
+assert.sameValue(afterDeleted, false, 'afterDeleted');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-142.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-142.js
new file mode 100644
index 0000000000..e8ad92b856
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-142.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.
+
+/*---
+es5id: 15.2.3.5-4-142
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is the Math object (8.10.5 step 4.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: Math
+  }
+});
+
+var beforeDeleted = newObj.hasOwnProperty("prop");
+
+delete newObj.prop;
+
+var afterDeleted = newObj.hasOwnProperty("prop");
+
+assert.sameValue(beforeDeleted, true, 'beforeDeleted');
+assert.sameValue(afterDeleted, false, 'afterDeleted');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-143.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-143.js
new file mode 100644
index 0000000000..59dd6d2083
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-143.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.
+
+/*---
+es5id: 15.2.3.5-4-143
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is a Date object (8.10.5 step 4.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: new Date()
+  }
+});
+
+var beforeDeleted = newObj.hasOwnProperty("prop");
+
+delete newObj.prop;
+
+var afterDeleted = newObj.hasOwnProperty("prop");
+
+assert.sameValue(beforeDeleted, true, 'beforeDeleted');
+assert.sameValue(afterDeleted, false, 'afterDeleted');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-144.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-144.js
new file mode 100644
index 0000000000..6e63c36b8f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-144.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.
+
+/*---
+es5id: 15.2.3.5-4-144
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is a RegExp object (8.10.5 step 4.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: new RegExp()
+  }
+});
+
+var beforeDeleted = newObj.hasOwnProperty("prop");
+
+delete newObj.prop;
+
+var afterDeleted = newObj.hasOwnProperty("prop");
+
+assert.sameValue(beforeDeleted, true, 'beforeDeleted');
+assert.sameValue(afterDeleted, false, 'afterDeleted');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-145.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-145.js
new file mode 100644
index 0000000000..325ef3f4bd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-145.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.
+
+/*---
+es5id: 15.2.3.5-4-145
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is the JSON object (8.10.5 step 4.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: JSON
+  }
+});
+
+var beforeDeleted = newObj.hasOwnProperty("prop");
+
+delete newObj.prop;
+
+var afterDeleted = newObj.hasOwnProperty("prop");
+
+assert.sameValue(beforeDeleted, true, 'beforeDeleted');
+assert.sameValue(afterDeleted, false, 'afterDeleted');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-146.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-146.js
new file mode 100644
index 0000000000..0fad1df18d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-146.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.
+
+/*---
+es5id: 15.2.3.5-4-146
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is an Error object (8.10.5 step 4.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: new Error()
+  }
+});
+
+var beforeDeleted = newObj.hasOwnProperty("prop");
+
+delete newObj.prop;
+
+var afterDeleted = newObj.hasOwnProperty("prop");
+
+assert.sameValue(beforeDeleted, true, 'beforeDeleted');
+assert.sameValue(afterDeleted, false, 'afterDeleted');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-147.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-147.js
new file mode 100644
index 0000000000..97e0e71335
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-147.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.
+
+/*---
+es5id: 15.2.3.5-4-147
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is an Arguments object (8.10.5 step 4.b)
+---*/
+
+var argObj = (function() {
+  return arguments;
+})();
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: argObj
+  }
+});
+
+var beforeDeleted = newObj.hasOwnProperty("prop");
+
+delete newObj.prop;
+
+var afterDeleted = newObj.hasOwnProperty("prop");
+
+assert.sameValue(beforeDeleted, true, 'beforeDeleted');
+assert.sameValue(afterDeleted, false, 'afterDeleted');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-149.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-149.js
new file mode 100644
index 0000000000..1798b3ec5e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-149.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.
+
+/*---
+es5id: 15.2.3.5-4-149
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is the global object (8.10.5 step 4.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: this
+  }
+});
+
+var beforeDeleted = newObj.hasOwnProperty("prop");
+
+delete newObj.prop;
+
+var afterDeleted = newObj.hasOwnProperty("prop");
+
+assert.sameValue(beforeDeleted, true, 'beforeDeleted');
+assert.sameValue(afterDeleted, false, 'afterDeleted');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-15.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-15.js
new file mode 100644
index 0000000000..b6e2ca0583
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-15.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.
+
+/*---
+es5id: 15.2.3.5-4-15
+description: >
+    Object.create - argument 'Properties' is the Aguments object
+    (15.2.3.7 step 2)
+---*/
+
+var result = false;
+
+var argObj = (function() {
+  return arguments;
+})();
+
+Object.defineProperty(argObj, "prop", {
+  get: function() {
+    result = ('[object Arguments]' === Object.prototype.toString.call(this));
+    return {};
+  },
+  enumerable: true
+});
+
+var newObj = Object.create({}, argObj);
+
+assert(result, 'result !== true');
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-150.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-150.js
new file mode 100644
index 0000000000..1f5d186a04
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-150.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-150
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is a string (value is 'false') which is treated as
+    the value true (8.10.5 step 4.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: "false"
+  }
+});
+
+var beforeDeleted = newObj.hasOwnProperty("prop");
+
+delete newObj.prop;
+
+var afterDeleted = newObj.hasOwnProperty("prop");
+
+assert.sameValue(beforeDeleted, true, 'beforeDeleted');
+assert.sameValue(afterDeleted, false, 'afterDeleted');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-151.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-151.js
new file mode 100644
index 0000000000..918e4b39f5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-151.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-151
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is new Boolean(false) which is treated as the value
+    true (8.10.5 step 4.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: new Boolean(false)
+  }
+});
+
+var beforeDeleted = newObj.hasOwnProperty("prop");
+
+delete newObj.prop;
+
+var afterDeleted = newObj.hasOwnProperty("prop");
+
+assert.sameValue(beforeDeleted, true, 'beforeDeleted');
+assert.sameValue(afterDeleted, false, 'afterDeleted');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-152.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-152.js
new file mode 100644
index 0000000000..ed57f23303
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-152.js
@@ -0,0 +1,19 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-152
+description: >
+    Object.create - 'value' property of one property in 'Properties'
+    is present (8.10.5 step 5)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    value: 100
+  }
+});
+
+assert.sameValue(newObj.prop, 100, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-153.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-153.js
new file mode 100644
index 0000000000..7fabb43bcd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-153.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.
+
+/*---
+es5id: 15.2.3.5-4-153
+description: >
+    Object.create - 'value' property of one property in 'Properties'
+    is not present (8.10.5 step 5)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {}
+});
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+assert.sameValue(typeof(newObj.prop), "undefined", 'typeof (newObj.prop)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-154.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-154.js
new file mode 100644
index 0000000000..8109c43b5a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-154.js
@@ -0,0 +1,19 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-154
+description: >
+    Object.create - 'value' property of one property in 'Properties'
+    is own data property (8.10.5 step 5.a)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    value: "ownDataProperty"
+  }
+});
+
+assert.sameValue(newObj.prop, "ownDataProperty", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-155.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-155.js
new file mode 100644
index 0000000000..a4a0381ee3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-155.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.
+
+/*---
+es5id: 15.2.3.5-4-155
+description: >
+    Object.create - 'value' property of one property in 'Properties'
+    is an inherited data property (8.10.5 step 5.a)
+---*/
+
+var proto = {
+  value: "inheritedDataProperty"
+};
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var descObj = new ConstructFun();
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert.sameValue(newObj.prop, "inheritedDataProperty", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-156.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-156.js
new file mode 100644
index 0000000000..b5ea7390f3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-156.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-156
+description: >
+    Object.create - 'value' property of one property in 'Properties'
+    is own data property that overrides an inherited data property
+    (8.10.5 step 5.a)
+---*/
+
+var proto = {
+  value: "inheritedDataProperty"
+};
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var descObj = new ConstructFun();
+
+descObj.value = "ownDataProperty";
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert.sameValue(newObj.prop, "ownDataProperty", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-157.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-157.js
new file mode 100644
index 0000000000..ebc6ba2f33
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-157.js
@@ -0,0 +1,37 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-157
+description: >
+    Object.create - 'value' property of one property in 'Properties'
+    is own data property that overrides an inherited accessor property
+    (8.10.5 step 5.a)
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "value", {
+  get: function() {
+    return "inheritedAccessorProperty";
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "value", {
+  get: function() {
+    return "ownDataProperty";
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert.sameValue(newObj.prop, "ownDataProperty", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-158.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-158.js
new file mode 100644
index 0000000000..f61c1b255b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-158.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.
+
+/*---
+es5id: 15.2.3.5-4-158
+description: >
+    Object.create - 'value' property of one property in 'Properties'
+    is own accessor property (8.10.5 step 5.a)
+---*/
+
+var descObj = {};
+
+Object.defineProperty(descObj, "value", {
+  get: function() {
+    return "ownAccessorProperty";
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert.sameValue(newObj.prop, "ownAccessorProperty", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-159.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-159.js
new file mode 100644
index 0000000000..0791fc477d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-159.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.
+
+/*---
+es5id: 15.2.3.5-4-159
+description: >
+    Object.create - 'value' property of one property in 'Properties'
+    is an inherited accessor property (8.10.5 step 5.a)
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "value", {
+  get: function() {
+    return "inheritedAccessorProperty";
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var descObj = new ConstructFun();
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert.sameValue(newObj.prop, "inheritedAccessorProperty", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-16.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-16.js
new file mode 100644
index 0000000000..c52c86167b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-16.js
@@ -0,0 +1,17 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-16
+description: >
+    Object.create - own enumerable data property in 'Properties' is
+    defined in 'obj' (15.2.3.7 step 3)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {}
+});
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-160.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-160.js
new file mode 100644
index 0000000000..213b7732ac
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-160.js
@@ -0,0 +1,33 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-160
+description: >
+    Object.create - 'value' property of one property in 'Properties'
+    is own accessor property that overrides an inherited data property
+    (8.10.5 step 5.a)
+---*/
+
+var proto = {
+  value: "inheritedDataProperty"
+};
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "value", {
+  get: function() {
+    return "ownAccessorProperty";
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert.sameValue(newObj.prop, "ownAccessorProperty", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-161.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-161.js
new file mode 100644
index 0000000000..558ddbd15f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-161.js
@@ -0,0 +1,37 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-161
+description: >
+    Object.create - 'value' property of one property in 'Properties'
+    is own accessor property that overrides an inherited accessor
+    property (8.10.5 step 5.a)
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "value", {
+  get: function() {
+    return "inheritedAccessorProperty";
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "value", {
+  get: function() {
+    return "ownAccessorProperty";
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert.sameValue(newObj.prop, "ownAccessorProperty", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-162.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-162.js
new file mode 100644
index 0000000000..55b4241c0f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-162.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.
+
+/*---
+es5id: 15.2.3.5-4-162
+description: >
+    Object.create - 'value' property of one property in 'Properties'
+    is own accessor property without a get function (8.10.5 step 5.a)
+---*/
+
+var descObj = {};
+
+Object.defineProperty(descObj, "value", {
+  set: function() {}
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+assert.sameValue(typeof(newObj.prop), "undefined", 'typeof (newObj.prop)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-163.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-163.js
new file mode 100644
index 0000000000..5f08cac138
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-163.js
@@ -0,0 +1,36 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-163
+description: >
+    Object.create - 'value' property of one property in 'Properties'
+    is own accessor property without a get function, which overrides
+    an inherited accessor property (8.10.5 step 5.a)
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "value", {
+  get: function() {
+    return "inheritedAccessorProperty";
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "value", {
+  set: function() {}
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+assert.sameValue(typeof(newObj.prop), "undefined", 'typeof (newObj.prop)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-164.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-164.js
new file mode 100644
index 0000000000..459eb5b8fb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-164.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.
+
+/*---
+es5id: 15.2.3.5-4-164
+description: >
+    Object.create - 'value' property of one property in 'Properties'
+    is an inherited accessor property without a get function (8.10.5
+    step 5.a)
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "value", {
+  set: function() {}
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var descObj = new ConstructFun();
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+assert.sameValue(typeof(newObj.prop), "undefined", 'typeof (newObj.prop)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-165.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-165.js
new file mode 100644
index 0000000000..bad24248dd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-165.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.
+
+/*---
+es5id: 15.2.3.5-4-165
+description: >
+    Object.create - one property in 'Properties' is a Function object
+    which implements its own [[Get]] method to access the 'value'
+    property (8.10.5 step 5.a)
+---*/
+
+var Func = function(a, b) {
+  return a + b;
+};
+
+var fun = new Func();
+fun.value = "FunValue";
+
+var newObj = Object.create({}, {
+  prop: fun
+});
+
+assert.sameValue(newObj.prop, "FunValue", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-166.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-166.js
new file mode 100644
index 0000000000..6e3abcb352
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-166.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-166
+description: >
+    Object.create - one property in 'Properties' is an Array object
+    that uses Object's [[Get]] method to access the 'value' property
+    (8.10.5 step 5.a)
+---*/
+
+var arr = [1, 2, 3];
+
+arr.value = "ArrValue";
+
+var newObj = Object.create({}, {
+  prop: arr
+});
+
+assert.sameValue(newObj.prop, "ArrValue", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-167.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-167.js
new file mode 100644
index 0000000000..3c3b9af30a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-167.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-167
+description: >
+    Object.create - one property in 'Properties' is a String object
+    that uses Object's [[Get]] method to access the 'value' property
+    (8.10.5 step 5.a)
+---*/
+
+var str = new String("abc");
+
+str.value = "StrValue";
+
+var newObj = Object.create({}, {
+  prop: str
+});
+
+assert.sameValue(newObj.prop, "StrValue", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-168.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-168.js
new file mode 100644
index 0000000000..620fe5180c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-168.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-168
+description: >
+    Object.create - one property in 'Properties' is a Boolean object
+    that uses Object's [[Get]] method to access the 'value' property
+    (8.10.5 step 5.a)
+---*/
+
+var booleanObj = new Boolean(false);
+
+booleanObj.value = "BooleanValue";
+
+var newObj = Object.create({}, {
+  prop: booleanObj
+});
+
+assert.sameValue(newObj.prop, "BooleanValue", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-169.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-169.js
new file mode 100644
index 0000000000..a510eadd09
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-169.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-169
+description: >
+    Object.create - one property in 'Properties' is a Number object
+    that uses Object's [[Get]] method to access the 'value' property
+    (8.10.5 step 5.a)
+---*/
+
+var numObj = new Number(123);
+
+numObj.value = "NumValue";
+
+var newObj = Object.create({}, {
+  prop: numObj
+});
+
+assert.sameValue(newObj.prop, "NumValue", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-17.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-17.js
new file mode 100644
index 0000000000..f9970d61e8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-17.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.
+
+/*---
+es5id: 15.2.3.5-4-17
+description: >
+    Object.create - own data property in 'Properties' which is not
+    enumerable is not defined in 'obj' (15.2.3.7 step 3)
+---*/
+
+var props = {};
+Object.defineProperty(props, "prop", {
+  value: {},
+  enumerable: false
+});
+var newObj = Object.create({}, props);
+
+assert.sameValue(newObj.hasOwnProperty("prop"), false, 'newObj.hasOwnProperty("prop")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-170.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-170.js
new file mode 100644
index 0000000000..5ef1e5944b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-170.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.
+
+/*---
+es5id: 15.2.3.5-4-170
+description: >
+    Object.create - one property in 'Properties' is the Math object
+    that uses Object's [[Get]] method to access the 'value' property
+    (8.10.5 step 5.a)
+---*/
+
+Math.value = "MathValue";
+
+var newObj = Object.create({}, {
+  prop: Math
+});
+
+assert.sameValue(newObj.prop, "MathValue", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-171.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-171.js
new file mode 100644
index 0000000000..2c91ba8f1d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-171.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-171
+description: >
+    Object.create - one property in 'Properties' is a Date object that
+    uses Object's [[Get]] method to access the 'value' property
+    (8.10.5 step 5.a)
+---*/
+
+var dateObj = new Date();
+
+dateObj.value = "DateValue";
+
+var newObj = Object.create({}, {
+  prop: dateObj
+});
+
+assert.sameValue(newObj.prop, "DateValue", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-172.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-172.js
new file mode 100644
index 0000000000..ef7f8e0b11
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-172.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-172
+description: >
+    Object.create - one property in 'Properties' is a RegExp object
+    that uses Object's [[Get]] method to access the 'value' property
+    (8.10.5 step 5.a)
+---*/
+
+var regObj = new RegExp();
+
+regObj.value = "RegExpValue";
+
+var newObj = Object.create({}, {
+  prop: regObj
+});
+
+assert.sameValue(newObj.prop, "RegExpValue", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-173.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-173.js
new file mode 100644
index 0000000000..b88aad265d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-173.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.
+
+/*---
+es5id: 15.2.3.5-4-173
+description: >
+    Object.create - one property in 'Properties' is the JSON object
+    that uses Object's [[Get]] method to access the 'value' property
+    (8.10.5 step 5.a)
+---*/
+
+JSON.value = "JSONValue";
+
+var newObj = Object.create({}, {
+  prop: JSON
+});
+
+assert.sameValue(newObj.prop, "JSONValue", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-174.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-174.js
new file mode 100644
index 0000000000..670aaeb7da
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-174.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-174
+description: >
+    Object.create - one property in 'Properties' is an Error object
+    that uses Object's [[Get]] method to access the 'value' property
+    (8.10.5 step 5.a)
+---*/
+
+var errorObj = new Error();
+
+errorObj.value = "ErrorValue";
+
+var newObj = Object.create({}, {
+  prop: errorObj
+});
+
+assert.sameValue(newObj.prop, "ErrorValue", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-175.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-175.js
new file mode 100644
index 0000000000..7dfc4b1d51
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-175.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.
+
+/*---
+es5id: 15.2.3.5-4-175
+description: >
+    Object.create - one property in 'Properties' is an Arguments
+    object which implements its own [[Get]] method to access the
+    'value' property (8.10.5 step 5.a)
+---*/
+
+var argObj = (function() {
+  return arguments;
+})();
+
+argObj.value = "ArgValue";
+
+var newObj = Object.create({}, {
+  prop: argObj
+});
+
+assert.sameValue(newObj.prop, "ArgValue", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-177.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-177.js
new file mode 100644
index 0000000000..47224e6bb3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-177.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.
+
+/*---
+es5id: 15.2.3.5-4-177
+description: >
+    Object.create - one property in 'Properties' is the global object
+    that uses Object's [[Get]] method to access the 'value' property
+    (8.10.5 step 5.a)
+---*/
+
+this.value = "GlobalValue";
+
+var newObj = Object.create({}, {
+  prop: this
+});
+
+assert.sameValue(newObj.prop, "GlobalValue", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-178.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-178.js
new file mode 100644
index 0000000000..12909a5a53
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-178.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.
+
+/*---
+es5id: 15.2.3.5-4-178
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is true (8.10.5 step 6)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: true
+  }
+});
+
+var beforeWrite = ((newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined"));
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-179.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-179.js
new file mode 100644
index 0000000000..ceb1884864
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-179.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-179
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is not present (8.10.5 step 6)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    value: 100
+  }
+});
+
+assert.sameValue(newObj.prop, 100);
+verifyNotWritable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-18.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-18.js
new file mode 100644
index 0000000000..d2f40e6bb7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-18.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.
+
+/*---
+es5id: 15.2.3.5-4-18
+description: >
+    Object.create - an enumerable inherited data property in
+    'Properties' is not defined in 'obj' (15.2.3.7 step 3)
+---*/
+
+var proto = {};
+
+proto.prop = {};
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var child = new ConstructFun();
+
+var newObj = Object.create({}, child);
+
+assert.sameValue(newObj.hasOwnProperty("prop"), false, 'newObj.hasOwnProperty("prop")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-180.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-180.js
new file mode 100644
index 0000000000..636acd7cb1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-180.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.
+
+/*---
+es5id: 15.2.3.5-4-180
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is own data property (8.10.5 step 6.a)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: true
+  }
+});
+
+var beforeWrite = (newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined");
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-181.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-181.js
new file mode 100644
index 0000000000..b5f479520c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-181.js
@@ -0,0 +1,33 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-181
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is an inherited data property (8.10.5 step 6.a)
+---*/
+
+var proto = {
+  writable: true
+};
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var descObj = new ConstructFun();
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+var beforeWrite = (newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined");
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-182.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-182.js
new file mode 100644
index 0000000000..6411c8c6ac
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-182.js
@@ -0,0 +1,36 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-182
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is own data property that overrides an inherited data
+    property (8.10.5 step 6.a)
+---*/
+
+var proto = {
+  writable: false
+};
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var descObj = new ConstructFun();
+
+descObj.writable = true;
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+var beforeWrite = (newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined");
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-183.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-183.js
new file mode 100644
index 0000000000..5b20b6b489
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-183.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.
+
+/*---
+es5id: 15.2.3.5-4-183
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is own data property that overrides an inherited
+    accessor property (8.10.5 step 6.a)
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "writable", {
+  get: function() {
+    return false;
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "writable", {
+  value: true
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+var beforeWrite = (newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined");
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-184.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-184.js
new file mode 100644
index 0000000000..8730b117f0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-184.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.
+
+/*---
+es5id: 15.2.3.5-4-184
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is own accessor property (8.10.5 step 6.a)
+---*/
+
+var descObj = {};
+
+Object.defineProperty(descObj, "writable", {
+  get: function() {
+    return true;
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+var beforeWrite = (newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined");
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-185.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-185.js
new file mode 100644
index 0000000000..7803262e89
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-185.js
@@ -0,0 +1,37 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-185
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is an inherited accessor property (8.10.5 step 6.a)
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "writable", {
+  get: function() {
+    return true;
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var descObj = new ConstructFun();
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+var beforeWrite = (newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined");
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-186.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-186.js
new file mode 100644
index 0000000000..5ca6b121a6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-186.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.
+
+/*---
+es5id: 15.2.3.5-4-186
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is own accessor property that overrides an inherited
+    data property (8.10.5 step 6.a)
+---*/
+
+var proto = {
+  writable: false
+};
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "writable", {
+  get: function() {
+    return true;
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+var beforeWrite = (newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined");
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-187.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-187.js
new file mode 100644
index 0000000000..b9dc52e885
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-187.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.
+
+/*---
+es5id: 15.2.3.5-4-187
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is own accessor property that overrides an inherited
+    accessor property (8.10.5 step 6.a)
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "writable", {
+  get: function() {
+    return false;
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "writable", {
+  get: function() {
+    return true;
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+var beforeWrite = (newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined");
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-188.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-188.js
new file mode 100644
index 0000000000..91d8c80a52
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-188.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.
+
+/*---
+es5id: 15.2.3.5-4-188
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is own accessor property without a get function
+    (8.10.5 step 6.a)
+includes: [propertyHelper.js]
+---*/
+
+var descObj = {
+  value: 100
+};
+
+Object.defineProperty(descObj, "writable", {
+  set: function() {}
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert.sameValue(newObj.prop, 100);
+verifyNotWritable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-189.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-189.js
new file mode 100644
index 0000000000..13f8a80bd2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-189.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.
+
+/*---
+es5id: 15.2.3.5-4-189
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is own accessor property without a get function,
+    which overrides an inherited accessor property (8.10.5 step 6.a)
+includes: [propertyHelper.js]
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "writable", {
+  get: function() {
+    return true;
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "writable", {
+  set: function() {}
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert(newObj.hasOwnProperty("prop"))
+assert.sameValue(typeof(newObj.prop), "undefined");
+verifyNotWritable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-19.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-19.js
new file mode 100644
index 0000000000..184035110f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-19.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.
+
+/*---
+es5id: 15.2.3.5-4-19
+description: >
+    Object.create -  own enumerable accessor property in 'Properties'
+    is defined in 'obj' (15.2.3.7 step 3)
+---*/
+
+var props = {};
+
+Object.defineProperty(props, "prop", {
+  get: function() {
+    return {};
+  },
+  enumerable: true
+});
+
+var newObj = Object.create({}, props);
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-190.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-190.js
new file mode 100644
index 0000000000..039dd3b032
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-190.js
@@ -0,0 +1,33 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-190
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is an inherited accessor property without a get
+    function (8.10.5 step 6.a)
+includes: [propertyHelper.js]
+---*/
+
+var proto = {
+  value: 100
+};
+
+Object.defineProperty(proto, "writable", {
+  set: function() {}
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var descObj = new ConstructFun();
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert.sameValue(newObj.prop, 100);
+verifyNotWritable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-191.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-191.js
new file mode 100644
index 0000000000..3dbadeb744
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-191.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.
+
+/*---
+es5id: 15.2.3.5-4-191
+description: >
+    Object.create - one property in 'Properties' is a Function object
+    which implements its own [[Get]] method to access the 'writable'
+    property (8.10.5 step 6.a)
+---*/
+
+var Func = function(a, b) {
+  return a + b;
+};
+
+var fun = new Func();
+fun.writable = true;
+
+var newObj = Object.create({}, {
+  prop: fun
+});
+
+var beforeWrite = (newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined");
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-192.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-192.js
new file mode 100644
index 0000000000..6fe4fba7ff
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-192.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-192
+description: >
+    Object.create - one property in 'Properties' is an Array object
+    that uses Object's [[Get]] method to access the 'writable'
+    property (8.10.5 step 6.a)
+---*/
+
+var array = [1, 2, 3];
+
+array.writable = true;
+
+var newObj = Object.create({}, {
+  prop: array
+});
+
+var beforeWrite = (newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined");
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-193.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-193.js
new file mode 100644
index 0000000000..47240c4dd0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-193.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-193
+description: >
+    Object.create - one property in 'Properties' is a String object
+    that uses Object's [[Get]] method to access the 'writable'
+    property (8.10.5 step 6.a)
+---*/
+
+var str = new String("abc");
+
+str.writable = true;
+
+var newObj = Object.create({}, {
+  prop: str
+});
+
+var beforeWrite = (newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined");
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-194.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-194.js
new file mode 100644
index 0000000000..061db08d86
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-194.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-194
+description: >
+    Object.create - one property in 'Properties' is a Boolean object
+    that uses Object's [[Get]] method to access the 'writable'
+    property (8.10.5 step 6.a)
+---*/
+
+var booleanObj = new Boolean(false);
+
+booleanObj.writable = true;
+
+var newObj = Object.create({}, {
+  prop: booleanObj
+});
+
+var beforeWrite = (newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined");
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-195.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-195.js
new file mode 100644
index 0000000000..ba44b9ce1b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-195.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-195
+description: >
+    Object.create - one property in 'Properties' is a Number object
+    that uses Object's [[Get]] method to access the 'writable'
+    property (8.10.5 step 6.a)
+---*/
+
+var numObj = new Number(123);
+
+numObj.writable = true;
+
+var newObj = Object.create({}, {
+  prop: numObj
+});
+
+var beforeWrite = (newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined");
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-196.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-196.js
new file mode 100644
index 0000000000..126fd4d2f6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-196.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-196
+description: >
+    Object.create - one property in 'Properties' is the Math object
+    that uses Object's [[Get]] method to access the 'writable'
+    property (8.10.5 step 6.a)
+---*/
+
+Math.writable = true;
+
+var newObj = Object.create({}, {
+  prop: Math
+});
+
+var beforeWrite = (newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined");
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-197.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-197.js
new file mode 100644
index 0000000000..f2caa7473c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-197.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-197
+description: >
+    Object.create - one property in 'Properties' is a Date object that
+    uses Object's [[Get]] method to access the 'writable' property
+    (8.10.5 step 6.a)
+---*/
+
+var dateObj = new Date();
+
+dateObj.writable = true;
+
+var newObj = Object.create({}, {
+  prop: dateObj
+});
+
+var beforeWrite = (newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined");
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-198.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-198.js
new file mode 100644
index 0000000000..de7de58c8c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-198.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-198
+description: >
+    Object.create - one property in 'Properties' is a RegExp object
+    that uses Object's [[Get]] method to access the 'writable'
+    property (8.10.5 step 6.a)
+---*/
+
+var regObj = new RegExp();
+
+regObj.writable = true;
+
+var newObj = Object.create({}, {
+  prop: regObj
+});
+
+var beforeWrite = (newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined");
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-199.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-199.js
new file mode 100644
index 0000000000..d63a204ed6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-199.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-199
+description: >
+    Object.create - one property in 'Properties' is the JSON object
+    that uses Object's [[Get]] method to access the 'writable'
+    property (8.10.5 step 6.a)
+---*/
+
+JSON.writable = true;
+
+var newObj = Object.create({}, {
+  prop: JSON
+});
+
+var beforeWrite = (newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined");
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-2.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-2.js
new file mode 100644
index 0000000000..a2a0f5181f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-2.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-2
+description: Object.create - 'Properties' is undefined
+---*/
+
+var newObj = Object.create({}, undefined);
+
+assert((newObj instanceof Object), '(newObj instanceof Object) !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-20.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-20.js
new file mode 100644
index 0000000000..e74f81b160
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-20.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.
+
+/*---
+es5id: 15.2.3.5-4-20
+description: >
+    Object.create - own accessor property in 'Properties' which is not
+    enumerable is not defined in 'obj' (15.2.3.7 step 3)
+---*/
+
+var props = {};
+
+Object.defineProperty(props, "prop", {
+  get: function() {
+    return {};
+  },
+  enumerable: false
+});
+
+var newObj = Object.create({}, props);
+
+assert.sameValue(newObj.hasOwnProperty("prop"), false, 'newObj.hasOwnProperty("prop")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-200.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-200.js
new file mode 100644
index 0000000000..894b392422
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-200.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-200
+description: >
+    Object.create - one property in 'Properties' is an Error object
+    that uses Object's [[Get]] method to access the 'writable'
+    property (8.10.5 step 6.a)
+---*/
+
+var errorObj = new Error();
+
+errorObj.writable = true;
+
+var newObj = Object.create({}, {
+  prop: errorObj
+});
+
+var beforeWrite = (newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined");
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-201.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-201.js
new file mode 100644
index 0000000000..f1a3bc5ecb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-201.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.
+
+/*---
+es5id: 15.2.3.5-4-201
+description: >
+    Object.create - one property in 'Properties' is an Arguments
+    object which implements its own [[Get]] method to access the
+    'writable' property (8.10.5 step 6.a)
+---*/
+
+var argObj = (function() {
+  return arguments;
+})();
+
+argObj.writable = true;
+
+var newObj = Object.create({}, {
+  prop: argObj
+});
+
+var beforeWrite = (newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined");
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-203.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-203.js
new file mode 100644
index 0000000000..71a827d470
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-203.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-203
+description: >
+    Object.create - one property in 'Properties' is the global object
+    that uses Object's [[Get]] method to access the 'writable'
+    property (8.10.5 step 6.a)
+---*/
+
+this.writable = true;
+
+var newObj = Object.create({}, {
+  prop: this
+});
+
+var beforeWrite = (newObj.hasOwnProperty("prop") && typeof(newObj.prop) === "undefined");
+
+newObj.prop = "isWritable";
+
+var afterWrite = (newObj.prop === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-204.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-204.js
new file mode 100644
index 0000000000..17993ba415
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-204.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-204
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is undefined (8.10.5 step 6.b)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: undefined
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"));
+assert.sameValue(typeof newObj.prop, "undefined");
+verifyNotWritable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-205.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-205.js
new file mode 100644
index 0000000000..7e414aa5dd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-205.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-205
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is null (8.10.5 step 6.b)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: null
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"));
+assert.sameValue(typeof newObj.prop, "undefined");
+verifyNotWritable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-206.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-206.js
new file mode 100644
index 0000000000..48835ea81a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-206.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.
+
+/*---
+es5id: 15.2.3.5-4-206
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties'  is true (8.10.5 step 6.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: true
+  }
+});
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = 121;
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(newObj.prop, 121, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-207.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-207.js
new file mode 100644
index 0000000000..40513388d8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-207.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-207
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is false (8.10.5 step 6.b)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: false
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"));
+assert.sameValue(typeof newObj.prop, "undefined");
+verifyNotWritable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-208.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-208.js
new file mode 100644
index 0000000000..864af6abf5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-208.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-208
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is 0 (8.10.5 step 6.b)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: 0
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"));
+assert.sameValue(typeof newObj.prop, "undefined");
+verifyNotWritable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-209.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-209.js
new file mode 100644
index 0000000000..057ad51efe
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-209.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-209
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is +0 (8.10.5 step 6.b)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: +0
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"));
+assert.sameValue(typeof newObj.prop, "undefined");
+verifyNotWritable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-21.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-21.js
new file mode 100644
index 0000000000..1b5fac19da
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-21.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.
+
+/*---
+es5id: 15.2.3.5-4-21
+description: >
+    Object.create - an enumerable inherited accessor property in
+    'Properties' is not defined in 'obj' (15.2.3.7 step 3)
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "prop", {
+  get: function() {
+    return {};
+  },
+  enumerable: true
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var child = new ConstructFun();
+
+var newObj = Object.create({}, child);
+
+assert.sameValue(newObj.hasOwnProperty("prop"), false, 'newObj.hasOwnProperty("prop")');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-210.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-210.js
new file mode 100644
index 0000000000..d6ff45fb8c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-210.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-210
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is -0 (8.10.5 step 6.b)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: -0
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"))
+assert.sameValue(typeof newObj.prop, "undefined");
+verifyNotWritable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-211.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-211.js
new file mode 100644
index 0000000000..84a03d23c3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-211.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-211
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is NaN (8.10.5 step 6.b)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: NaN
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"));
+assert.sameValue(typeof newObj.prop, "undefined")
+verifyNotWritable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-212.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-212.js
new file mode 100644
index 0000000000..723da90ebe
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-212.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.
+
+/*---
+es5id: 15.2.3.5-4-212
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is a positive number primitive (8.10.5 step 6.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: 12
+  }
+});
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = 121;
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(newObj.prop, 121, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-213.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-213.js
new file mode 100644
index 0000000000..e1c301211b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-213.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.
+
+/*---
+es5id: 15.2.3.5-4-213
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is a negative number primitive (8.10.5 step 6.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: -9
+  }
+});
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = 121;
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(newObj.prop, 121, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-214.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-214.js
new file mode 100644
index 0000000000..209db64dda
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-214.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.
+
+/*---
+es5id: 15.2.3.5-4-214
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is an empty string (8.10.5 step 6.b)
+includes: [propertyHelper.js]
+---*/
+
+var descObj = {
+  writable: ""
+};
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert(newObj.hasOwnProperty("prop"))
+assert.sameValue(typeof newObj.prop, "undefined");
+verifyNotWritable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-215.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-215.js
new file mode 100644
index 0000000000..2016749225
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-215.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.
+
+/*---
+es5id: 15.2.3.5-4-215
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is a non-empty string (8.10.5 step 6.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: "abc"
+  }
+});
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = 121;
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(newObj.prop, 121, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-216.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-216.js
new file mode 100644
index 0000000000..09acc279db
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-216.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.
+
+/*---
+es5id: 15.2.3.5-4-216
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is a Function object (8.10.5 step 6.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: function() {}
+  }
+});
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = 121;
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(newObj.prop, 121, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-217.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-217.js
new file mode 100644
index 0000000000..300cd90726
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-217.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.
+
+/*---
+es5id: 15.2.3.5-4-217
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is an Array object (8.10.5 step 6.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: []
+  }
+});
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = 121;
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(newObj.prop, 121, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-218.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-218.js
new file mode 100644
index 0000000000..2bb6d8008e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-218.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.
+
+/*---
+es5id: 15.2.3.5-4-218
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is a String object (8.10.5 step 6.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: new String()
+  }
+});
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = 121;
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(newObj.prop, 121, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-219.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-219.js
new file mode 100644
index 0000000000..e44bc46416
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-219.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.
+
+/*---
+es5id: 15.2.3.5-4-219
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is a Boolean object (8.10.5 step 6.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: new Boolean()
+  }
+});
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = 121;
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(newObj.prop, 121, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-22.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-22.js
new file mode 100644
index 0000000000..65bacdb035
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-22.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-22
+description: >
+    Object.create -  own enumerable data property that overrides an
+    enumerable inherited data property in 'Properties' is defined in
+    'obj' (15.2.3.7 step 5.a)
+---*/
+
+var proto = {};
+proto.prop = {
+  value: "abc"
+};
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var child = new ConstructFun();
+child.prop = {
+  value: "bbq"
+};
+var newObj = Object.create({}, child);
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+assert.sameValue(newObj.prop, "bbq", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-220.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-220.js
new file mode 100644
index 0000000000..a6d95f9c49
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-220.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.
+
+/*---
+es5id: 15.2.3.5-4-220
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is a Number object (8.10.5 step 6.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: new Number()
+  }
+});
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = 121;
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(newObj.prop, 121, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-221.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-221.js
new file mode 100644
index 0000000000..3bc9d558ee
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-221.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.
+
+/*---
+es5id: 15.2.3.5-4-221
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is the Math object (8.10.5 step 6.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: Math
+  }
+});
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = 121;
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(newObj.prop, 121, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-222.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-222.js
new file mode 100644
index 0000000000..2886c38b7e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-222.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.
+
+/*---
+es5id: 15.2.3.5-4-222
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is a Date object (8.10.5 step 6.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: new Date()
+  }
+});
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = 121;
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(newObj.prop, 121, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-223.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-223.js
new file mode 100644
index 0000000000..fb929326ee
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-223.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.
+
+/*---
+es5id: 15.2.3.5-4-223
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is a RegExp object (8.10.5 step 6.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: new RegExp()
+  }
+});
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = 121;
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(newObj.prop, 121, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-224.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-224.js
new file mode 100644
index 0000000000..0db31ebbd9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-224.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-224
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is the JSON object (8.10.5 step 6.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: JSON
+  }
+});
+var hasProperty = newObj.hasOwnProperty("prop");
+newObj.prop = 121;
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(newObj.prop, 121, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-225.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-225.js
new file mode 100644
index 0000000000..41e5928dde
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-225.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-225
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is an Error object (8.10.5 step 6.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: new Error()
+  }
+});
+var hasProperty = newObj.hasOwnProperty("prop");
+newObj.prop = 121;
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(newObj.prop, 121, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-226.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-226.js
new file mode 100644
index 0000000000..27f226c709
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-226.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-226
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is an Arguments object (8.10.5 step 6.b)
+---*/
+
+var argObj = (function() {
+  return arguments;
+})();
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: argObj
+  }
+});
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = 121;
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(newObj.prop, 121, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-228.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-228.js
new file mode 100644
index 0000000000..93a21d0e7e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-228.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.
+
+/*---
+es5id: 15.2.3.5-4-228
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is the global object (8.10.5 step 6.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: this
+  }
+});
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = 121;
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(newObj.prop, 121, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-229.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-229.js
new file mode 100644
index 0000000000..ea6c2fc911
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-229.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.
+
+/*---
+es5id: 15.2.3.5-4-229
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is a string (value is 'false') which is treated as
+    the value true (8.10.5 step 6.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: "false"
+  }
+});
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = 121;
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(newObj.prop, 121, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-23.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-23.js
new file mode 100644
index 0000000000..fe5269854b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-23.js
@@ -0,0 +1,37 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-23
+description: >
+    Object.create - own enumerable data property that overrides an
+    enumerable inherited accessor property in 'Properties' is defined
+    in 'obj' (15.2.3.7 step 5.a)
+---*/
+
+var proto = {};
+Object.defineProperty(proto, "prop", {
+  get: function() {
+    return {
+      value: 9
+    };
+  },
+  enumerable: true
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var child = new ConstructFun();
+Object.defineProperty(child, "prop", {
+  value: {
+    value: 12
+  },
+  enumerable: true
+});
+var newObj = Object.create({}, child);
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+assert.sameValue(newObj.prop, 12, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-230.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-230.js
new file mode 100644
index 0000000000..812eea4192
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-230.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.
+
+/*---
+es5id: 15.2.3.5-4-230
+description: >
+    Object.create - 'writable' property of one property in
+    'Properties' is new Boolean(false) which is treated as the value
+    true (8.10.5 step 6.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: new Boolean(false)
+  }
+});
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = 121;
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(newObj.prop, 121, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-231.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-231.js
new file mode 100644
index 0000000000..32b5ce06d6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-231.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-231
+description: >
+    Object.create - 'get'  property of one property in 'Properties' is
+    present (8.10.5 step 7)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    get: function() {
+      return "present";
+    }
+  }
+});
+
+assert.sameValue(newObj.prop, "present", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-232.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-232.js
new file mode 100644
index 0000000000..95906d5e81
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-232.js
@@ -0,0 +1,17 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-232
+description: >
+    Object.create - 'get'  property of one property in 'Properties' is
+    not present (8.10.5 step 7)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {}
+});
+
+assert.sameValue(typeof(newObj.prop), "undefined", 'typeof (newObj.prop)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-233.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-233.js
new file mode 100644
index 0000000000..7ff6c0a662
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-233.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-233
+description: >
+    Object.create - 'get' property of one property in 'Properties' is
+    own data property (8.10.5 step 7.a)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    get: function() {
+      return "ownDataProperty";
+    }
+  }
+});
+
+assert.sameValue(newObj.prop, "ownDataProperty", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-234.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-234.js
new file mode 100644
index 0000000000..d09d67d856
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-234.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.
+
+/*---
+es5id: 15.2.3.5-4-234
+description: >
+    Object.create - 'get' property of one property in 'Properties' is
+    an inherited data property (8.10.5 step 7.a)
+---*/
+
+var proto = {
+  get: function() {
+    return "inheritedDataProperty";
+  }
+};
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var descObj = new ConstructFun();
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert.sameValue(newObj.prop, "inheritedDataProperty", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-235.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-235.js
new file mode 100644
index 0000000000..8ebe324a04
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-235.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.
+
+/*---
+es5id: 15.2.3.5-4-235
+description: >
+    Object.create - 'get' property of one property in 'Properties' is
+    own data property that overrides an inherited data property
+    (8.10.5 step 7.a)
+---*/
+
+var proto = {
+  get: function() {
+    return "inheritedDataProperty";
+  }
+};
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "get", {
+  value: function() {
+    return "ownDataProperty";
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert.sameValue(newObj.prop, "ownDataProperty", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-236.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-236.js
new file mode 100644
index 0000000000..297bba9229
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-236.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.
+
+/*---
+es5id: 15.2.3.5-4-236
+description: >
+    Object.create - 'get' property of one property in 'Properties' is
+    own data property that overrides an inherited accessor property
+    (8.10.5 step 7.a)
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "get", {
+  get: function() {
+    return function() {
+      return "inheritedAccessorProperty";
+    };
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "get", {
+  value: function() {
+    return "ownDataProperty";
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert.sameValue(newObj.prop, "ownDataProperty", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-237.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-237.js
new file mode 100644
index 0000000000..8cc6d0a20f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-237.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-237
+description: >
+    Object.create - 'get' property of one property in 'Properties' is
+    own accessor property (8.10.5 step 7.a)
+---*/
+
+var descObj = {};
+
+Object.defineProperty(descObj, "get", {
+  get: function() {
+    return function() {
+      return "ownAccessorProperty";
+    };
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert.sameValue(newObj.prop, "ownAccessorProperty", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-238.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-238.js
new file mode 100644
index 0000000000..f2c870acf7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-238.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.
+
+/*---
+es5id: 15.2.3.5-4-238
+description: >
+    Object.create - 'get' property of one property in 'Properties' is
+    an inherited accessor property (8.10.5 step 7.a)
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "get", {
+  get: function() {
+    return function() {
+      return "inheritedAccessorProperty";
+    };
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert.sameValue(newObj.prop, "inheritedAccessorProperty", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-239.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-239.js
new file mode 100644
index 0000000000..64eb0180a1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-239.js
@@ -0,0 +1,36 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-239
+description: >
+    Object.create - 'get' property of one property in 'Properties' is
+    own accessor property that overrides an inherited data property
+    (8.10.5 step 7.a)
+---*/
+
+var proto = {
+  get: function() {
+    return "inheritedDataProperty";
+  }
+};
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "get", {
+  get: function() {
+    return function() {
+      return "ownAccessorProperty";
+    };
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert.sameValue(newObj.prop, "ownAccessorProperty", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-24.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-24.js
new file mode 100644
index 0000000000..77201cbe20
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-24.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.
+
+/*---
+es5id: 15.2.3.5-4-24
+description: >
+    Object.create - own enumerable accessor property that overrides an
+    enumerable inherited data property in 'Properties' is defined in
+    'obj' (15.2.3.7 step 5.a)
+---*/
+
+var proto = {};
+proto.prop = {
+  value: 12
+};
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var child = new ConstructFun();
+Object.defineProperty(child, "prop", {
+  get: function() {
+    return {
+      value: 9
+    };
+  },
+  enumerable: true
+});
+
+var newObj = Object.create({}, child);
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+assert.sameValue(newObj.prop, 9, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-240.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-240.js
new file mode 100644
index 0000000000..5746060022
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-240.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.
+
+/*---
+es5id: 15.2.3.5-4-240
+description: >
+    Object.create - 'get' property of one property in 'Properties' is
+    own accessor property that overrides an inherited accessor
+    property (8.10.5 step 7.a)
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "get", {
+  get: function() {
+    return function() {
+      return "inheritedAccessorProperty";
+    };
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "get", {
+  get: function() {
+    return function() {
+      return "ownAccessorProperty";
+    };
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert.sameValue(newObj.prop, "ownAccessorProperty", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-241.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-241.js
new file mode 100644
index 0000000000..97e9ec83f8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-241.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.
+
+/*---
+es5id: 15.2.3.5-4-241
+description: >
+    Object.create - 'get' property of one property in 'Properties' is
+    own accessor property without a get function (8.10.5 step 7.a)
+---*/
+
+var descObj = {};
+
+Object.defineProperty(descObj, "get", {
+  set: function() {}
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+assert.sameValue(typeof(newObj.prop), "undefined", 'typeof (newObj.prop)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-242.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-242.js
new file mode 100644
index 0000000000..1525f501ad
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-242.js
@@ -0,0 +1,37 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-242
+description: >
+    Object.create - 'get' property of one property in 'Properties' is
+    own accessor property without a get function, which overrides an
+    inherited accessor property (8.10.5 step 7.a)
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "get", {
+  get: function() {
+    return function() {
+      return "inheritedAccessorProperty";
+    };
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "get", {
+  set: function() {}
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+assert.sameValue(typeof newObj.prop, "undefined", 'typeof newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-243.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-243.js
new file mode 100644
index 0000000000..556d8901f1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-243.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-243
+description: >
+    Object.create - 'get' property of one property in 'Properties' is
+    an inherited accessor property without a get function (8.10.5 step
+    7.a)
+---*/
+
+var proto = {};
+
+Object.defineProperty(proto, "get", {
+  set: function() {}
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+assert.sameValue(typeof(newObj.prop), "undefined", 'typeof (newObj.prop)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-244.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-244.js
new file mode 100644
index 0000000000..14308de518
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-244.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.
+
+/*---
+es5id: 15.2.3.5-4-244
+description: >
+    Object.create - one property in 'Properties' is a Function object
+    which implements its own [[Get]] method to access the 'get'
+    property (8.10.5 step 7.a)
+---*/
+
+var funObj = function() {};
+
+funObj.get = function() {
+  return "VerifyFunctionObject";
+};
+
+var newObj = Object.create({}, {
+  prop: funObj
+});
+
+assert.sameValue(newObj.prop, "VerifyFunctionObject", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-245.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-245.js
new file mode 100644
index 0000000000..beef095e2b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-245.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.
+
+/*---
+es5id: 15.2.3.5-4-245
+description: >
+    Object.create - one property in 'Properties' is an Array object
+    that uses Object's [[Get]] method to access the 'get' property
+    (8.10.5 step 7.a)
+---*/
+
+var arrayObj = [1, 2, 3];
+
+arrayObj.get = function() {
+  return "VerifyArrayObject";
+};
+
+var newObj = Object.create({}, {
+  prop: arrayObj
+});
+
+assert.sameValue(newObj.prop, "VerifyArrayObject", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-246.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-246.js
new file mode 100644
index 0000000000..3af5d5970d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-246.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.
+
+/*---
+es5id: 15.2.3.5-4-246
+description: >
+    Object.create - one property in 'Properties' is a String object
+    that uses Object's [[Get]] method to access the 'get' property
+    (8.10.5 step 7.a)
+---*/
+
+var strObj = new String("abc");
+
+strObj.get = function() {
+  return "VerifyStringObject";
+};
+
+var newObj = Object.create({}, {
+  prop: strObj
+});
+
+assert.sameValue(newObj.prop, "VerifyStringObject", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-247.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-247.js
new file mode 100644
index 0000000000..b0553230f7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-247.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.
+
+/*---
+es5id: 15.2.3.5-4-247
+description: >
+    Object.create - one property in 'Properties' is a Boolean object
+    that uses Object's [[Get]] method to access the 'get' property
+    (8.10.5 step 7.a)
+---*/
+
+var boolObj = new Boolean(true);
+
+boolObj.get = function() {
+  return "VerifyBooleanObject";
+};
+
+var newObj = Object.create({}, {
+  prop: boolObj
+});
+
+assert.sameValue(newObj.prop, "VerifyBooleanObject", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-248.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-248.js
new file mode 100644
index 0000000000..20063a5ad7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-248.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.
+
+/*---
+es5id: 15.2.3.5-4-248
+description: >
+    Object.create - one property in 'Properties' is a Number object
+    that uses Object's [[Get]] method to access the 'get' property
+    (8.10.5 step 7.a)
+---*/
+
+var numObj = new Number(5);
+
+numObj.get = function() {
+  return "VerifyNumberObject";
+};
+
+var newObj = Object.create({}, {
+  prop: numObj
+});
+
+assert.sameValue(newObj.prop, "VerifyNumberObject", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-249.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-249.js
new file mode 100644
index 0000000000..568792ba24
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-249.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.
+
+/*---
+es5id: 15.2.3.5-4-249
+description: >
+    Object.create - one property in 'Properties' is a Date object that
+    uses Object's [[Get]] method to access the 'get' property (8.10.5
+    step 7.a)
+---*/
+
+var dateObj = new Date();
+
+dateObj.get = function() {
+  return "VerifyDateObject";
+};
+
+var newObj = Object.create({}, {
+  prop: dateObj
+});
+
+assert.sameValue(newObj.prop, "VerifyDateObject", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-25.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-25.js
new file mode 100644
index 0000000000..684a076430
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-25.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.
+
+/*---
+es5id: 15.2.3.5-4-25
+description: >
+    Object.create - own enumerable accessor property that overrides an
+    enumerable inherited accessor property in 'Properties' is defined
+    in 'obj' (15.2.3.7 step 5.a)
+---*/
+
+var proto = {};
+Object.defineProperty(proto, "prop", {
+  get: function() {
+    return {
+      value: 9
+    };
+  },
+  enumerable: true
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var child = new ConstructFun();
+Object.defineProperty(child, "prop", {
+  get: function() {
+    return {
+      value: 12
+    };
+  },
+  enumerable: true
+});
+var newObj = Object.create({}, child);
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+assert.sameValue(newObj.prop, 12, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-250.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-250.js
new file mode 100644
index 0000000000..50dcac99fb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-250.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.
+
+/*---
+es5id: 15.2.3.5-4-250
+description: >
+    Object.create - one property in 'Properties' is a RegExp object
+    that uses Object's [[Get]] method to access the 'get' property
+    (8.10.5 step 7.a)
+---*/
+
+var regObj = new RegExp();
+
+regObj.get = function() {
+  return "VerifyRegExpObject";
+};
+
+var newObj = Object.create({}, {
+  prop: regObj
+});
+
+assert.sameValue(newObj.prop, "VerifyRegExpObject", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-251.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-251.js
new file mode 100644
index 0000000000..0c6493157a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-251.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-251
+description: >
+    Object.create - one property in 'Properties' is the Math object
+    that uses Object's [[Get]] method to access the 'get' property
+    (8.10.5 step 7.a)
+---*/
+
+Math.get = function() {
+  return "VerifyMathObject";
+};
+
+var newObj = Object.create({}, {
+  prop: Math
+});
+
+assert.sameValue(newObj.prop, "VerifyMathObject", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-252.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-252.js
new file mode 100644
index 0000000000..fff0d3cb5a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-252.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-252
+description: >
+    Object.create - one property in 'Properties' is the JSON object
+    that uses Object's [[Get]] method to access the 'get' property
+    (8.10.5 step 7.a)
+---*/
+
+JSON.get = function() {
+  return "VerifyJSONObject";
+};
+
+var newObj = Object.create({}, {
+  prop: JSON
+});
+
+assert.sameValue(newObj.prop, "VerifyJSONObject", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-253.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-253.js
new file mode 100644
index 0000000000..7eee063bc8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-253.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.
+
+/*---
+es5id: 15.2.3.5-4-253
+description: >
+    Object.create - one property in 'Properties' is an Error object
+    that uses Object's [[Get]] method to access the 'get' property
+    (8.10.5 step 7.a)
+---*/
+
+var errObj = new Error("error");
+
+errObj.get = function() {
+  return "VerifyErrorObject";
+};
+
+var newObj = Object.create({}, {
+  prop: errObj
+});
+
+assert.sameValue(newObj.prop, "VerifyErrorObject", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-254.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-254.js
new file mode 100644
index 0000000000..62b7957f55
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-254.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.
+
+/*---
+es5id: 15.2.3.5-4-254
+description: >
+    Object.create - one property in 'Properties' is an Arguments
+    object which implements its own [[Get]] method to access the 'get'
+    property (8.10.5 step 7.a)
+---*/
+
+var argObj = (function() {
+  return arguments;
+})();
+
+argObj.get = function() {
+  return "VerifyArgumentsObject";
+};
+
+var newObj = Object.create({}, {
+  prop: argObj
+});
+
+assert.sameValue(newObj.prop, "VerifyArgumentsObject", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-256.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-256.js
new file mode 100644
index 0000000000..d234669950
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-256.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-256
+description: >
+    Object.create - one property in 'Properties' is the global object
+    that uses Object's [[Get]] method to access the 'get' property
+    (8.10.5 step 7.a)
+---*/
+
+this.get = function() {
+  return "VerifyGlobalObject";
+};
+
+var newObj = Object.create({}, {
+  prop: this
+});
+
+assert.sameValue(newObj.prop, "VerifyGlobalObject", 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-257.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-257.js
new file mode 100644
index 0000000000..6ae2cc1099
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-257.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.
+
+/*---
+es5id: 15.2.3.5-4-257
+description: >
+    Object.create - 'get' property of one property in 'Properties' is
+    undefined (8.10.5 step 7.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    get: undefined
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+assert.sameValue(typeof newObj.prop, "undefined", 'typeof newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-258.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-258.js
new file mode 100644
index 0000000000..73c7cf311b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-258.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.
+
+/*---
+es5id: 15.2.3.5-4-258
+description: >
+    Object.create - 'get' property of one property in 'Properties' is
+    the primitive value null (8.10.5 step 7.b)
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create({}, {
+    prop: {
+      get: null
+    }
+  });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-259.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-259.js
new file mode 100644
index 0000000000..7385349362
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-259.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.
+
+/*---
+es5id: 15.2.3.5-4-259
+description: >
+    Object.create - 'get' property of one property in 'Properties' is
+    a boolean primitive (8.10.5 step 7.b)
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create({}, {
+    prop: {
+      get: false
+    }
+  });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-26.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-26.js
new file mode 100644
index 0000000000..b50040b3de
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-26.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.
+
+/*---
+es5id: 15.2.3.5-4-26
+description: >
+    Object.create - TypeError is thrown when own enumerable accessor
+    property of 'Properties' without a get function (15.2.3.7 step 5.a)
+---*/
+
+var props = {};
+Object.defineProperty(props, "prop", {
+  set: function() {},
+  enumerable: true
+});
+assert.throws(TypeError, function() {
+  Object.create({}, props);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-260.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-260.js
new file mode 100644
index 0000000000..8f0889cb87
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-260.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.
+
+/*---
+es5id: 15.2.3.5-4-260
+description: >
+    Object.create - 'get' property of one property in 'Properties' is
+    a number primitive (8.10.5 step 7.b)
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create({}, {
+    prop: {
+      get: 123
+    }
+  });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-261.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-261.js
new file mode 100644
index 0000000000..242127990c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-261.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.
+
+/*---
+es5id: 15.2.3.5-4-261
+description: >
+    Object.create - 'get' property of one property in 'Properties' is
+    a primitive string (8.10.5 step 7.b)
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create({}, {
+    prop: {
+      get: "string"
+    }
+  });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-262.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-262.js
new file mode 100644
index 0000000000..58f1c79bad
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-262.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.
+
+/*---
+es5id: 15.2.3.5-4-262
+description: >
+    Object.create - 'get' property of one property in 'Properties' is
+    an Array object (8.10.5 step 7.b)
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create({}, {
+    prop: {
+      get: [1, 2, 3]
+    }
+  });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-263.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-263.js
new file mode 100644
index 0000000000..327a60e023
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-263.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.
+
+/*---
+es5id: 15.2.3.5-4-263
+description: >
+    Object.create - 'get' property of one property in 'Properties' is
+    a function (8.10.5 step 7.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    get: function() {}
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+assert.sameValue(typeof newObj.prop, "undefined", 'typeof newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-266.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-266.js
new file mode 100644
index 0000000000..263ca214e6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-266.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.
+
+/*---
+es5id: 15.2.3.5-4-266
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    present (8.10.5 step 8)
+---*/
+
+var data = "data";
+
+var newObj = Object.create({}, {
+  prop: {
+    set: function(value) {
+      data = value;
+    }
+  }
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = "overrideData";
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(data, "overrideData", 'data');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-267.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-267.js
new file mode 100644
index 0000000000..c22b3399ed
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-267.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.
+
+/*---
+es5id: 15.2.3.5-4-267
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    not present (8.10.5 step 8)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    get: function() {
+      return "data";
+    }
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotWritable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-268.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-268.js
new file mode 100644
index 0000000000..28c11b08e1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-268.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.
+
+/*---
+es5id: 15.2.3.5-4-268
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    own data property (8.10.5 step 8.a)
+---*/
+
+var data = "data";
+
+var newObj = Object.create({}, {
+  prop: {
+    set: function(value) {
+      data = value;
+    }
+  }
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = "overrideData";
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(data, "overrideData", 'data');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-269.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-269.js
new file mode 100644
index 0000000000..97ebc48265
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-269.js
@@ -0,0 +1,33 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-269
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    an inherited data property (8.10.5 step 8.a)
+---*/
+
+var data = "data";
+var proto = {
+  set: function(value) {
+    data = value;
+  }
+};
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var child = new ConstructFun();
+
+var newObj = Object.create({}, {
+  prop: child
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = "overrideData";
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(data, "overrideData", 'data');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-27.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-27.js
new file mode 100644
index 0000000000..d8a713220d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-27.js
@@ -0,0 +1,33 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-27
+description: >
+    Object.create - own enumerable accessor property in 'Properties'
+    without a get function that overrides an enumerable inherited
+    accessor property in 'Properties' is defined in 'obj' (15.2.3.7
+    step 5.a)
+---*/
+
+var proto = {};
+Object.defineProperty(proto, "prop", {
+  get: function() {
+    return {};
+  },
+  enumerable: true
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+
+var child = new ConstructFun();
+Object.defineProperty(child, "prop", {
+  set: function() {},
+  enumerable: true
+});
+assert.throws(TypeError, function() {
+  Object.create({}, child);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-270.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-270.js
new file mode 100644
index 0000000000..217295fc0b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-270.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.
+
+/*---
+es5id: 15.2.3.5-4-270
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    own data property that overrides an inherited data property
+    (8.10.5 step 8.a)
+---*/
+
+var data1 = "data";
+var data2 = "data";
+var proto = {
+  set: function(value) {
+    data2 = value;
+  }
+};
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var child = new ConstructFun();
+child.set = function(value) {
+  data1 = value;
+};
+
+var newObj = Object.create({}, {
+  prop: child
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = "overrideData";
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(data1, "overrideData", 'data1');
+assert.sameValue(data2, "data", 'data2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-271.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-271.js
new file mode 100644
index 0000000000..e755be92f7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-271.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.
+
+/*---
+es5id: 15.2.3.5-4-271
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    own data property that overrides an inherited accessor property
+    (8.10.5 step 8.a)
+---*/
+
+var data1 = "data";
+var data2 = "data";
+
+var proto = {};
+Object.defineProperty(proto, "set", {
+  get: function() {
+    return function(value) {
+      data2 = value;
+    };
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var child = new ConstructFun();
+Object.defineProperty(child, "set", {
+  value: function(value) {
+    data1 = value;
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: child
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = "overrideData";
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(data1, "overrideData", 'data1');
+assert.sameValue(data2, "data", 'data2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-272.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-272.js
new file mode 100644
index 0000000000..593e276e53
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-272.js
@@ -0,0 +1,33 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-272
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    own accessor property (8.10.5 step 8.a)
+---*/
+
+var data = "data";
+var descObj = {};
+
+Object.defineProperty(descObj, "set", {
+  get: function() {
+    return function(value) {
+      data = value;
+    };
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = "overrideData";
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(data, "overrideData", 'data');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-273.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-273.js
new file mode 100644
index 0000000000..a2914f6aa2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-273.js
@@ -0,0 +1,37 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-273
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    an inherited accessor property (8.10.5 step 8.a)
+---*/
+
+var data = "data";
+var proto = {};
+
+Object.defineProperty(proto, "set", {
+  get: function() {
+    return function(value) {
+      data = value;
+    };
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var child = new ConstructFun();
+
+var newObj = Object.create({}, {
+  prop: child
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = "overrideData";
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(data, "overrideData", 'data');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-274.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-274.js
new file mode 100644
index 0000000000..fed642de3f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-274.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.
+
+/*---
+es5id: 15.2.3.5-4-274
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    own accessor property that overrides an inherited data property
+    (8.10.5 step 8.a)
+---*/
+
+var data1 = "data";
+var data2 = "data";
+
+var proto = {};
+proto.set = function(value) {
+  data2 = value;
+};
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var child = new ConstructFun();
+Object.defineProperty(child, "set", {
+  get: function() {
+    return function(value) {
+      data1 = value;
+    };
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: child
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = "overrideData";
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(data1, "overrideData", 'data1');
+assert.sameValue(data2, "data", 'data2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-275.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-275.js
new file mode 100644
index 0000000000..5d63922fc6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-275.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.
+
+/*---
+es5id: 15.2.3.5-4-275
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    own accessor property that overrides an inherited accessor
+    property (8.10.5 step 8.a)
+---*/
+
+var data1 = "data";
+var data2 = "data";
+var proto = {};
+
+Object.defineProperty(proto, "set", {
+  get: function() {
+    return function(value) {
+      data2 = value;
+    };
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var child = new ConstructFun();
+Object.defineProperty(child, "set", {
+  get: function() {
+    return function(value) {
+      data1 = value;
+    };
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: child
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = "overrideData";
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(data1, "overrideData", 'data1');
+assert.sameValue(data2, "data", 'data2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-276.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-276.js
new file mode 100644
index 0000000000..0b6cbebda5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-276.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-276
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    own accessor property without a get function (8.10.5 step 8.a)
+---*/
+
+var descObj = {};
+Object.defineProperty(descObj, "set", {
+  set: function() {}
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+var desc = Object.getOwnPropertyDescriptor(newObj, "prop");
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(typeof desc.set, "undefined", 'typeof desc.set');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-277.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-277.js
new file mode 100644
index 0000000000..634b3c68be
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-277.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.
+
+/*---
+es5id: 15.2.3.5-4-277
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    own accessor property without a get function, which overrides an
+    inherited accessor property (8.10.5 step 8.a)
+---*/
+
+var proto = {};
+Object.defineProperty(proto, "set", {
+  get: function() {
+    return function() {};
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var child = new ConstructFun();
+Object.defineProperty(child, "set", {
+  set: function() {}
+});
+
+var newObj = Object.create({}, {
+  prop: child
+});
+
+var desc = Object.getOwnPropertyDescriptor(newObj, "prop");
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+assert.sameValue(typeof desc.set, "undefined", 'typeof desc.set');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-278.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-278.js
new file mode 100644
index 0000000000..0d2de4deb5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-278.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.
+
+/*---
+es5id: 15.2.3.5-4-278
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    an inherited accessor property without a get function (8.10.5 step
+    8.a)
+---*/
+
+var proto = {};
+Object.defineProperty(proto, "set", {
+  set: function() {}
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var child = new ConstructFun();
+
+var newObj = Object.create({}, {
+  prop: child
+});
+
+var desc = Object.getOwnPropertyDescriptor(newObj, "prop");
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+assert.sameValue(typeof desc.set, "undefined", 'typeof desc.set');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-279.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-279.js
new file mode 100644
index 0000000000..64ac9d7874
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-279.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-279
+description: >
+    Object.create - one property in 'Properties' is a Function object
+    which implements its own [[Get]] method to access the 'set'
+    property (8.10.5 step 8.a)
+---*/
+
+var funObj = function() {};
+var data = "data";
+funObj.set = function(value) {
+  data = value;
+};
+
+var newObj = Object.create({}, {
+  prop: funObj
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = "overrideData";
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(data, "overrideData", 'data');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-28.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-28.js
new file mode 100644
index 0000000000..ec430cbebd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-28.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-28
+description: >
+    Object.create - 'Properties' is a Function object which implements
+    its own [[Get]] method to access own enumerable property (15.2.3.7
+    step 5.a)
+---*/
+
+var props = function() {};
+props.prop = {
+  value: 12,
+  enumerable: true
+};
+var newObj = Object.create({}, props);
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-280.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-280.js
new file mode 100644
index 0000000000..b0893d82ae
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-280.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-280
+description: >
+    Object.create - one property in 'Properties' is an Array object
+    that uses Object's [[Get]] method to access the 'set' property
+    (8.10.5 step 8.a)
+---*/
+
+var arrObj = [];
+var data = "data";
+arrObj.set = function(value) {
+  data = value;
+};
+
+var newObj = Object.create({}, {
+  prop: arrObj
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = "overrideData";
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(data, "overrideData", 'data');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-281.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-281.js
new file mode 100644
index 0000000000..6a7d0abb11
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-281.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-281
+description: >
+    Object.create - one property in 'Properties' is a String object
+    that uses Object's [[Get]] method to access the 'set' property
+    (8.10.5 step 8.a)
+---*/
+
+var strObj = new String();
+var data = "data";
+strObj.set = function(value) {
+  data = value;
+};
+
+var newObj = Object.create({}, {
+  prop: strObj
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = "overrideData";
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(data, "overrideData", 'data');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-282.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-282.js
new file mode 100644
index 0000000000..c1f7306a19
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-282.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-282
+description: >
+    Object.create - one property in 'Properties' is a Boolean object
+    that uses Object's [[Get]] method to access the 'set' property
+    (8.10.5 step 8.a)
+---*/
+
+var boolObj = new Boolean(true);
+var data = "data";
+boolObj.set = function(value) {
+  data = value;
+};
+
+var newObj = Object.create({}, {
+  prop: boolObj
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = "overrideData";
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(data, "overrideData", 'data');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-283.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-283.js
new file mode 100644
index 0000000000..724bfaaa21
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-283.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-283
+description: >
+    Object.create - one property in 'Properties' is a Number object
+    that uses Object's [[Get]] method to access the 'set' property
+    (8.10.5 step 8.a)
+---*/
+
+var numObj = new Number(5);
+var data = "data";
+numObj.set = function(value) {
+  data = value;
+};
+
+var newObj = Object.create({}, {
+  prop: numObj
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = "overrideData";
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(data, "overrideData", 'data');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-284.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-284.js
new file mode 100644
index 0000000000..b502ccd881
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-284.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-284
+description: >
+    Object.create - one property in 'Properties' is the Math object
+    that uses Object's [[Get]] method to access the 'set' property
+    (8.10.5 step 8.a)
+---*/
+
+var data = "data";
+
+Math.set = function(value) {
+  data = value;
+};
+
+var newObj = Object.create({}, {
+  prop: Math
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = "overrideData";
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(data, "overrideData", 'data');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-285.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-285.js
new file mode 100644
index 0000000000..72ab88384c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-285.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-285
+description: >
+    Object.create - one property in 'Properties' is a Date object that
+    uses Object's [[Get]] method to access the 'set' property (8.10.5
+    step 8.a)
+---*/
+
+var dateObj = new Date();
+var data = "data";
+dateObj.set = function(value) {
+  data = value;
+};
+
+var newObj = Object.create({}, {
+  prop: dateObj
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = "overrideData";
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(data, "overrideData", 'data');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-286.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-286.js
new file mode 100644
index 0000000000..fea17f39ea
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-286.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-286
+description: >
+    Object.create - one property in 'Properties' is a RegExp object
+    that uses Object's [[Get]] method to access the 'set' property
+    (8.10.5 step 8.a)
+---*/
+
+var regObj = new RegExp();
+var data = "data";
+regObj.set = function(value) {
+  data = value;
+};
+
+var newObj = Object.create({}, {
+  prop: regObj
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = "overrideData";
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(data, "overrideData", 'data');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-287.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-287.js
new file mode 100644
index 0000000000..9f3700ab41
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-287.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-287
+description: >
+    Object.create - one property in 'Properties' is the JSON object
+    that uses Object's [[Get]] method to access the 'set' property
+    (8.10.5 step 8.a)
+---*/
+
+var data = "data";
+
+JSON.set = function(value) {
+  data = value;
+};
+
+var newObj = Object.create({}, {
+  prop: JSON
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = "overrideData";
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(data, "overrideData", 'data');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-288.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-288.js
new file mode 100644
index 0000000000..57399ae256
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-288.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.
+
+/*---
+es5id: 15.2.3.5-4-288
+description: >
+    Object.create - one property in 'Properties' is an Error object
+    that uses Object's [[Get]] method to access the 'set' property
+    (8.10.5 step 8.a)
+---*/
+
+var errObj = new Error("error");
+var data = "data";
+
+errObj.set = function(value) {
+  data = value;
+};
+
+var newObj = Object.create({}, {
+  prop: errObj
+});
+
+newObj.prop = "overrideData";
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+assert.sameValue(data, "overrideData", 'data');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-289.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-289.js
new file mode 100644
index 0000000000..bd6f47db85
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-289.js
@@ -0,0 +1,33 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-289
+description: >
+    Object.create - one property in 'Properties' is an Arguments
+    object which implements its own [[Get]] method to access the 'set'
+    property (8.10.5 step 8.a)
+---*/
+
+var argObj = (function() {
+  return arguments;
+})();
+
+var data = "data";
+
+argObj.set = function(value) {
+  data = value;
+};
+
+var newobj = Object.create({}, {
+  prop: argObj
+});
+
+var hasProperty = newobj.hasOwnProperty("prop");
+
+newobj.prop = "overrideData";
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(data, "overrideData", 'data');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-29.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-29.js
new file mode 100644
index 0000000000..359e971adf
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-29.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.
+
+/*---
+es5id: 15.2.3.5-4-29
+description: >
+    Object.create - 'Properties' is an Array object that uses Object's
+    [[Get]] method to access own enumerable property (15.2.3.7 step
+    5.a)
+---*/
+
+var props = [];
+props.prop = {
+  value: {},
+  enumerable: true
+};
+var newObj = Object.create({}, props);
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-291.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-291.js
new file mode 100644
index 0000000000..b92ba9d2c7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-291.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-291
+description: >
+    Object.create - one property in 'Properties' is the global object
+    that uses Object's [[Get]] method to access the 'set' property
+    (8.10.5 step 8.a)
+---*/
+
+var data = "data";
+
+this.set = function(value) {
+  data = value;
+};
+
+var newObj = Object.create({}, {
+  prop: this
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+newObj.prop = "overrideData";
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(data, "overrideData", 'data');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-292.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-292.js
new file mode 100644
index 0000000000..8bc70ff9aa
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-292.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-292
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    undefined (8.10.5 step 8.b)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    set: undefined
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotWritable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-293.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-293.js
new file mode 100644
index 0000000000..54c5fbfdf3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-293.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.
+
+/*---
+es5id: 15.2.3.5-4-293
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    a primitive value null (8.10.5 step 8.b)
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create({}, {
+    prop: {
+      set: null
+    }
+  });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-294.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-294.js
new file mode 100644
index 0000000000..5fbf12657b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-294.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.
+
+/*---
+es5id: 15.2.3.5-4-294
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    a primitive boolean value true (8.10.5 step 8.b)
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create({}, {
+    prop: {
+      set: true
+    }
+  });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-295.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-295.js
new file mode 100644
index 0000000000..51a080c703
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-295.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.
+
+/*---
+es5id: 15.2.3.5-4-295
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    a primitive number value (8.10.5 step 8.b)
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create({}, {
+    prop: {
+      set: 123
+    }
+  });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-296.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-296.js
new file mode 100644
index 0000000000..0a9feccc52
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-296.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.
+
+/*---
+es5id: 15.2.3.5-4-296
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    a primitive string value (8.10.5 step 8.b)
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create({}, {
+    prop: {
+      set: "abc"
+    }
+  });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-297.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-297.js
new file mode 100644
index 0000000000..7e187906a0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-297.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.
+
+/*---
+es5id: 15.2.3.5-4-297
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    an Date object (8.10.5 step 8.b)
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create({}, {
+    prop: {
+      set: new Date()
+    }
+  });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-298.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-298.js
new file mode 100644
index 0000000000..3587a83d1c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-298.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.
+
+/*---
+es5id: 15.2.3.5-4-298
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    a function (8.10.5 step 8.b)
+---*/
+
+var data = "data";
+
+var newObj = Object.create({}, {
+  prop: {
+    set: function(value) {
+      data = value;
+    }
+  }
+});
+
+newObj.prop = "overrideData";
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+assert.sameValue(data, "overrideData", 'data');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-3.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-3.js
new file mode 100644
index 0000000000..3976886d04
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-3.js
@@ -0,0 +1,16 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-3
+description: >
+    Object.create throws TypeError if 'Properties' is null (15.2.3.7
+    step 2)
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create({}, null);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-30.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-30.js
new file mode 100644
index 0000000000..4441ce9a5c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-30.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-30
+description: >
+    Object.create - 'Properties' is a String object that uses Object's
+    [[Get]] method to access own enumerable property (15.2.3.7 step
+    5.a)
+---*/
+
+var props = new String();
+props.prop = {
+  value: 12,
+  enumerable: true
+};
+var newObj = Object.create({}, props);
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-300.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-300.js
new file mode 100644
index 0000000000..a9eb355aef
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-300.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-300
+description: >
+    Object.create - 'set' property of one property in 'Properties' is
+    a host object that isn't callable (8.10.5 step 8.b)
+---*/
+
+var global = this;
+
+assert.throws(TypeError, function() {
+  Object.create({}, {
+    prop: {
+      set: global
+    }
+  });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-301.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-301.js
new file mode 100644
index 0000000000..32439e99c2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-301.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-301
+description: >
+    Object.create - TypeError is thrown if both 'set' property and
+    'value' property of one property in 'Properties' are present
+    (8.10.5 step 9.a)
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create({}, {
+    prop: {
+      set: function() {},
+      value: 100
+    }
+  });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-302.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-302.js
new file mode 100644
index 0000000000..c2d6c5f970
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-302.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-302
+description: >
+    Object.create - TypeError is thrown if both 'set' property and
+    'writable' property of one property in 'Properties' are present
+    (8.10.5 step 9.a)
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create({}, {
+    prop: {
+      set: function() {},
+      writable: true
+    }
+  });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-303.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-303.js
new file mode 100644
index 0000000000..94ae9349a3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-303.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-303
+description: >
+    Object.create - TypeError is thrown if both 'get' property and
+    'value' property of one property in 'Properties' are present
+    (8.10.5 step 9.a)
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create({}, {
+    prop: {
+      get: function() {},
+      value: 100
+    }
+  });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-304.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-304.js
new file mode 100644
index 0000000000..a3b2d1bf8d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-304.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-304
+description: >
+    Object.create - TypeError is thrown if both 'get' property and
+    'writable' property of one property in 'Properties' are present
+    (8.10.5 step 9.a)
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create({}, {
+    prop: {
+      get: function() {},
+      writable: true
+    }
+  });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-305.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-305.js
new file mode 100644
index 0000000000..4bca05a95a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-305.js
@@ -0,0 +1,19 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-305
+description: >
+    Object.create defines a data property when one property in
+    'Properties' is generic descriptor (8.12.9 step 4.a)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: true
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-306.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-306.js
new file mode 100644
index 0000000000..c69b7d7982
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-306.js
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-306
+description: >
+    Object.create - [[Value]] is set as undefined if it is absent in
+    data descriptor of one property in 'Properties' (8.12.9 step 4.a.i)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    writable: true,
+    configurable: true,
+    enumerable: true
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+assert.sameValue(newObj.prop, undefined, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-307.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-307.js
new file mode 100644
index 0000000000..02d1a9e465
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-307.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.
+
+/*---
+es5id: 15.2.3.5-4-307
+description: >
+    Object.create - [[Writable]] is set as false if it is absent in
+    data descriptor of one property in 'Properties' (8.12.9 step 4.a.i)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    value: 1001,
+    configurable: true,
+    enumerable: true
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotWritable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-308.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-308.js
new file mode 100644
index 0000000000..e9d83221f7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-308.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.
+
+/*---
+es5id: 15.2.3.5-4-308
+description: >
+    Object.create - [[Enumerable]] is set as false if it is absent in
+    data descriptor of one property in 'Properties' (8.12.9 step 4.a.i)
+---*/
+
+var isEnumerable = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    value: 1001,
+    writable: true,
+    configurable: true
+  }
+});
+
+var hasProperty = newObj.hasOwnProperty("prop");
+
+for (var p in newObj) {
+  if (p === "prop") {
+    isEnumerable = true;
+  }
+}
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(isEnumerable, false, 'isEnumerable');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-309.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-309.js
new file mode 100644
index 0000000000..41f48bb638
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-309.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.
+
+/*---
+es5id: 15.2.3.5-4-309
+description: >
+    Object.create - [[Configurable]] is set as false if it is absent
+    in data descriptor of one property in 'Properties' (8.12.9 step
+    4.a.i)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    value: 1001,
+    writable: true,
+    enumerable: true
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotConfigurable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-31.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-31.js
new file mode 100644
index 0000000000..aa1d112091
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-31.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-31
+description: >
+    Object.create - 'Properties' is a Boolean object that uses
+    Object's [[Get]] method to access own enumerable property
+    (15.2.3.7 step 5.a)
+---*/
+
+var props = new Boolean(false);
+props.prop = {
+  value: 12,
+  enumerable: true
+};
+var newObj = Object.create({}, props);
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-310.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-310.js
new file mode 100644
index 0000000000..b771420b26
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-310.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.
+
+/*---
+es5id: 15.2.3.5-4-310
+description: >
+    Object.create - [[Get]] is set as undefined if it is absent in
+    accessor descriptor of one property in 'Properties' (8.12.9 step
+    4.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    set: function() {},
+    enumerable: true,
+    configurable: true
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+assert.sameValue(newObj.prop, undefined, 'newObj.prop');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-311.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-311.js
new file mode 100644
index 0000000000..169e7a69b9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-311.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.
+
+/*---
+es5id: 15.2.3.5-4-311
+description: >
+    Object.create - [[Set]] is set as undefined if it is absent in
+    accessor descriptor of one property in 'Properties' (8.12.9 step
+    4.b)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    get: function() {
+      return "verifyCreate";
+    },
+    enumerable: true,
+    configurable: true
+  }
+});
+
+var desc = Object.getOwnPropertyDescriptor(newObj, "prop");
+var verifySet = desc.hasOwnProperty("set") && typeof desc.set === "undefined";
+
+var verifyGet = false;
+if (newObj.prop === "verifyCreate") {
+  verifyGet = true;
+}
+
+var verifyEnumerable = false;
+for (var p in newObj) {
+  if (p === "prop") {
+    verifyEnumerable = true;
+  }
+}
+
+var verifyConfigurable = false;
+var hasProperty = newObj.hasOwnProperty("prop");
+delete newObj.prop;
+verifyConfigurable = !newObj.hasOwnProperty("prop") && hasProperty;
+
+assert(verifySet, 'verifySet !== true');
+assert(verifyGet, 'verifyGet !== true');
+assert(verifyEnumerable, 'verifyEnumerable !== true');
+assert(verifyConfigurable, 'verifyConfigurable !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-312.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-312.js
new file mode 100644
index 0000000000..1ae12c5c48
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-312.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.
+
+/*---
+es5id: 15.2.3.5-4-312
+description: >
+    Object.create - [[Enumerable]] is set as false if it is absent in
+    accessor descriptor of one property in 'Properties' (8.12.9 step
+    4.b)
+---*/
+
+var isEnumerable = false;
+var newObj = Object.create({}, {
+  prop: {
+    set: function() {},
+    get: function() {},
+    configurable: true
+  }
+});
+var hasProperty = newObj.hasOwnProperty("prop");
+for (var p in newObj) {
+  if (p === "prop") {
+    isEnumerable = true;
+  }
+}
+
+assert(hasProperty, 'hasProperty !== true');
+assert.sameValue(isEnumerable, false, 'isEnumerable');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-313.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-313.js
new file mode 100644
index 0000000000..b3b0299d4e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-313.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.
+
+/*---
+es5id: 15.2.3.5-4-313
+description: >
+    Object.create - [[Configurable]] is set as false if it is absent
+    in accessor descriptor of one property in 'Properties' (8.12.9
+    step 4.b)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    set: function() {},
+    get: function() {},
+    enumerable: true
+  }
+});
+
+assert(newObj.hasOwnProperty("prop"));
+verifyNotConfigurable(newObj, "prop");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-314.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-314.js
new file mode 100644
index 0000000000..c6e85a09d0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-314.js
@@ -0,0 +1,17 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-314
+description: >
+    Object.create - some enumerable own property in 'Properties' is
+    empty object (15.2.3.7 step 7)
+---*/
+
+var newObj = Object.create({}, {
+  foo: {}
+});
+
+assert(newObj.hasOwnProperty("foo"), 'newObj.hasOwnProperty("foo") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-315.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-315.js
new file mode 100644
index 0000000000..2c381680ce
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-315.js
@@ -0,0 +1,53 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-315
+description: >
+    Object.create - all properties in 'Properties' are enumerable
+    (data property and accessor property) (15.2.3.7 step 7)
+includes: [propertyHelper.js]
+---*/
+
+var newObj = {};
+
+function getFunc() {
+  return 10;
+}
+
+function setFunc(value) {
+  newObj.setVerifyHelpProp = value;
+}
+
+newObj = Object.create({}, {
+  foo1: {
+    value: 200,
+    enumerable: true,
+    writable: true,
+    configurable: true
+  },
+  foo2: {
+    get: getFunc,
+    set: setFunc,
+    enumerable: true,
+    configurable: true
+  }
+});
+
+verifyEqualTo(newObj, "foo1", 200);
+
+verifyWritable(newObj, "foo1");
+
+verifyEnumerable(newObj, "foo1");
+
+verifyConfigurable(newObj, "foo1");
+
+verifyEqualTo(newObj, "foo2", getFunc());
+
+verifyWritable(newObj, "foo2", "setVerifyHelpProp");
+
+verifyEnumerable(newObj, "foo2");
+
+verifyConfigurable(newObj, "foo2");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-316.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-316.js
new file mode 100644
index 0000000000..a0b3e5f8e8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-316.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.
+
+/*---
+es5id: 15.2.3.5-4-316
+description: >
+    Object.create - enumerable properties of 'Properties' are given
+    numerical names (15.2.3.7 step 7)
+---*/
+
+function getFunc() {
+  return 20;
+}
+
+function setFunc() {}
+
+var newObj = Object.create({}, {
+  0: {
+    value: 100,
+    enumerable: true,
+    writable: true,
+    configurable: true
+  },
+  1: {
+    get: getFunc,
+    set: setFunc,
+    enumerable: true,
+    configurable: true
+  },
+  2: {
+    value: 200,
+    enumerable: true,
+    writable: true,
+    configurable: true
+  }
+});
+
+assert.sameValue(newObj[0], 100, 'newObj[0]');
+assert.sameValue(newObj[1], 20, 'newObj[1]');
+assert.sameValue(newObj[2], 200, 'newObj[2]');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-32.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-32.js
new file mode 100644
index 0000000000..057004cafa
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-32.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-32
+description: >
+    Object.create - 'Properties' is a Number object that uses Object's
+    [[Get]] method to access own enumerable property (15.2.3.7 step
+    5.a)
+---*/
+
+var props = new Number(-9);
+props.prop = {
+  value: 12,
+  enumerable: true
+};
+var newObj = Object.create({}, props);
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-33.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-33.js
new file mode 100644
index 0000000000..07d99cd723
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-33.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.
+
+/*---
+es5id: 15.2.3.5-4-33
+description: >
+    Object.create - 'Properties' is the Math object that uses Object's
+    [[Get]] method to access own enumerable property (15.2.3.7 step
+    5.a)
+---*/
+
+Math.prop = {
+  value: 12,
+  enumerable: true
+};
+var newObj = Object.create({}, Math);
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-34.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-34.js
new file mode 100644
index 0000000000..880041edaa
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-34.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-34
+description: >
+    Object.create - 'Properties' is a Date object that uses Object's
+    [[Get]] method to access own enumerable property (15.2.3.7 step
+    5.a)
+---*/
+
+var props = new Date();
+props.prop = {
+  value: 12,
+  enumerable: true
+};
+var newObj = Object.create({}, props);
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-35.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-35.js
new file mode 100644
index 0000000000..2e60dc5436
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-35.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-35
+description: >
+    Object.create - 'Properties' is a RegExp object that uses Object's
+    [[Get]] method to access own enumerable property (15.2.3.7 step
+    5.a)
+---*/
+
+var props = new RegExp();
+props.prop = {
+  value: 12,
+  enumerable: true
+};
+var newObj = Object.create({}, props);
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-36.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-36.js
new file mode 100644
index 0000000000..d9de2b46e9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-36.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.
+
+/*---
+es5id: 15.2.3.5-4-36
+description: >
+    Object.create - 'Properties' is the JSON object that uses Object's
+    [[Get]] method to access own enumerable property (15.2.3.7 step
+    5.a)
+---*/
+
+JSON.prop = {
+  value: 12,
+  enumerable: true
+};
+var newObj = Object.create({}, JSON);
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-37.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-37.js
new file mode 100644
index 0000000000..b54ed3ac21
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-37.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-37
+description: >
+    Object.create - 'Properties' is an Error object that uses Object's
+    [[Get]] method to access own enumerable property (15.2.3.7 step
+    5.a)
+---*/
+
+var props = new Error("test");
+
+(Object.getOwnPropertyNames(props)).forEach(function(name) {
+  props[name] = {
+    value: 11,
+    configurable: true
+  }
+});
+
+props.prop15_2_3_5_4_37 = {
+  value: 12,
+  enumerable: true
+};
+var newObj = Object.create({}, props);
+
+assert(newObj.hasOwnProperty("prop15_2_3_5_4_37"), 'newObj.hasOwnProperty("prop15_2_3_5_4_37") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-38.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-38.js
new file mode 100644
index 0000000000..fd2619c125
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-38.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.
+
+/*---
+es5id: 15.2.3.5-4-38
+description: >
+    Object.create - 'Properties' is an Arguments object which
+    implements its own [[Get]] method to access own enumerable
+    property (15.2.3.7 step 5.a)
+---*/
+
+var argObj = (function() {
+  return arguments;
+})();
+
+argObj.prop = {
+  value: 12,
+  enumerable: true
+};
+
+var newObj = Object.create({}, argObj);
+
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-39.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-39.js
new file mode 100644
index 0000000000..be66c37a6a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-39.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.
+
+/*---
+es5id: 15.2.3.5-4-39
+description: >
+    Object.create - ensure that side-effects of gets occur in the same
+    order as they would for: for (P in props) props[P] (15.2.3.7 step
+    5.a)
+---*/
+
+var props = {};
+props.prop1 = {
+  value: 12,
+  enumerable: true
+};
+props.prop2 = {
+  value: true,
+  enumerable: true
+};
+
+var tempArray = [];
+for (var p in props) {
+  if (props.hasOwnProperty(p)) {
+    tempArray.push(p);
+  }
+}
+
+var newObj = Object.create({}, props);
+var index = 0;
+for (var q in newObj) {
+  assert.sameValue(tempArray[index++] !== q && newObj.hasOwnProperty(q), false, 'tempArray[index++] !== q && newObj.hasOwnProperty(q)');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-4.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-4.js
new file mode 100644
index 0000000000..6d2d1d1968
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-4.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.
+
+/*---
+es5id: 15.2.3.5-4-4
+description: >
+    Object.create - argument 'Properties' is an object (15.2.3.7 step
+    2).
+---*/
+
+var props = {};
+var result = false;
+
+Object.defineProperty(props, "prop", {
+  get: function() {
+    result = this instanceof Object;
+    return {};
+  },
+  enumerable: true
+});
+Object.create({}, props);
+
+assert(result, 'result !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-40.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-40.js
new file mode 100644
index 0000000000..ca7bdc44f9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-40.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.
+
+/*---
+es5id: 15.2.3.5-4-40
+description: >
+    Object.create - ensure that if an exception is thrown it occurs in
+    the correct order relative to prior and subsequent side-effects
+    (15.2.3.7 step 5.a)
+---*/
+
+var newObj = {};
+var props = {};
+var i = 0;
+
+Object.defineProperty(props, "prop1", {
+  get: function() {
+    i++;
+    return {};
+  },
+  enumerable: true
+});
+
+Object.defineProperty(props, "prop2", {
+  get: function() {
+    if (1 === i++) {
+      throw new RangeError();
+    } else {
+      return {};
+    }
+  },
+  enumerable: true
+});
+assert.throws(RangeError, function() {
+  newObj = Object.create({}, props);
+});
+assert.sameValue(newObj.hasOwnProperty("prop1"), false, 'newObj.hasOwnProperty("prop1")');
+assert.sameValue(i, 2, 'i');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-41.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-41.js
new file mode 100644
index 0000000000..505390574e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-41.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.
+
+/*---
+es5id: 15.2.3.5-4-41
+description: >
+    Object.create - value of one property in 'Properties' is undefined
+    (8.10.5 step 1)
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create({}, {
+    prop: undefined
+  });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-42.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-42.js
new file mode 100644
index 0000000000..612e8ce702
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-42.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.
+
+/*---
+es5id: 15.2.3.5-4-42
+description: >
+    Object.create - value of one property in 'Properties' is null
+    (8.10.5 step 1)
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create({}, {
+    prop: null
+  });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-43.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-43.js
new file mode 100644
index 0000000000..424835548a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-43.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.
+
+/*---
+es5id: 15.2.3.5-4-43
+description: >
+    Object.create - value of one property in 'Properties' is false
+    (8.10.5 step 1)
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create({}, {
+    prop: false
+  });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-44.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-44.js
new file mode 100644
index 0000000000..804b90a581
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-44.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.
+
+/*---
+es5id: 15.2.3.5-4-44
+description: >
+    Object.create - value of one property in 'Properties' is a number
+    primitive (8.10.5 step 1)
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create({}, {
+    prop: 12
+  });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-45.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-45.js
new file mode 100644
index 0000000000..9dcea126ca
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-45.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.
+
+/*---
+es5id: 15.2.3.5-4-45
+description: >
+    Object.create - value of one property in 'Properties' is a string
+    (8.10.5 step 1)
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.create({}, {
+    prop: "abc"
+  });
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-46.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-46.js
new file mode 100644
index 0000000000..8ab02e849f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-46.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.
+
+/*---
+es5id: 15.2.3.5-4-46
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is true (8.10.5 step 3)
+---*/
+
+var accessed = false;
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: true
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-47.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-47.js
new file mode 100644
index 0000000000..39911fe960
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-47.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.
+
+/*---
+es5id: 15.2.3.5-4-47
+description: >
+    Object.create  - 'enumerable' property of one property in
+    'Properties' is not present (8.10.5 step 3)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {}
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-48.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-48.js
new file mode 100644
index 0000000000..cd3e397298
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-48.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-48
+description: >
+    Object.create  - 'enumerable' property of one property in
+    'Properties' is own data property (8.10.5 step 3.a)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: true
+  }
+});
+
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-49.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-49.js
new file mode 100644
index 0000000000..f8ad8265a9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-49.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.
+
+/*---
+es5id: 15.2.3.5-4-49
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is an inherited data property (8.10.5 step 3.a)
+---*/
+
+var accessed = false;
+
+var proto = {
+  enumerable: true
+};
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-5.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-5.js
new file mode 100644
index 0000000000..3be11de8d1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-5.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.
+
+/*---
+es5id: 15.2.3.5-4-5
+description: >
+    Object.create - argument 'Properties' is a Function object
+    (15.2.3.7 step 2)
+---*/
+
+var props = function() {};
+var result = false;
+
+Object.defineProperty(props, "prop", {
+  get: function() {
+    result = this instanceof Function;
+    return {};
+  },
+  enumerable: true
+});
+Object.create({}, props);
+
+assert(result, 'result !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-50.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-50.js
new file mode 100644
index 0000000000..7e0049e69b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-50.js
@@ -0,0 +1,37 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-50
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is own data property that overrides an inherited data
+    property (8.10.5 step 3.a)
+---*/
+
+var accessed = false;
+var proto = {
+  enumerable: true
+};
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "enumerable", {
+  value: false
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-51.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-51.js
new file mode 100644
index 0000000000..0e5f679229
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-51.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.
+
+/*---
+es5id: 15.2.3.5-4-51
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is own data property that overrides an inherited
+    accessor property (8.10.5 step 3.a)
+---*/
+
+var proto = {};
+var accessed = false;
+
+Object.defineProperty(proto, "enumerable", {
+  get: function() {
+    return true;
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "enumerable", {
+  value: false
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-52.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-52.js
new file mode 100644
index 0000000000..0d66e032c6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-52.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.
+
+/*---
+es5id: 15.2.3.5-4-52
+description: >
+    Object.create - 'enumerable' property  of one property in
+    'Properties' is own accessor property (8.10.5 step 3.a)
+---*/
+
+var accessed = false;
+
+var descObj = {};
+Object.defineProperty(descObj, "enumerable", {
+  get: function() {
+    return true;
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-53.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-53.js
new file mode 100644
index 0000000000..07ee309674
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-53.js
@@ -0,0 +1,36 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-53
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is an inherited accessor property (8.10.5 step 3.a)
+---*/
+
+var proto = {};
+var accessed = false;
+
+Object.defineProperty(proto, "enumerable", {
+  get: function() {
+    return true;
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-54.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-54.js
new file mode 100644
index 0000000000..2b7437e7f1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-54.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.
+
+/*---
+es5id: 15.2.3.5-4-54
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is own accessor property that overrides an inherited
+    data property (8.10.5 step 3.a)
+---*/
+
+var accessed = false;
+var proto = {
+  enumerable: true
+};
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "enumerable", {
+  get: function() {
+    return false;
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-55.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-55.js
new file mode 100644
index 0000000000..d0cfc1e86c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-55.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.
+
+/*---
+es5id: 15.2.3.5-4-55
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is own accessor property that overrides an inherited
+    accessor property (8.10.5 step 3.a)
+---*/
+
+var proto = {};
+var accessed = false;
+Object.defineProperty(proto, "enumerable", {
+  get: function() {
+    return true;
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "enumerable", {
+  get: function() {
+    return false;
+  }
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-56.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-56.js
new file mode 100644
index 0000000000..c4efa79699
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-56.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-56
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is own accessor property without a get function
+    (8.10.5 step 3.a)
+---*/
+
+var accessed = false;
+var descObj = {};
+Object.defineProperty(descObj, "enumerable", {
+  set: function() {}
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-57.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-57.js
new file mode 100644
index 0000000000..e82b65dbff
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-57.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.
+
+/*---
+es5id: 15.2.3.5-4-57
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is own accessor property without a get function,
+    which overrides an inherited accessor property (8.10.5 step 3.a)
+---*/
+
+var proto = {};
+var accessed = false;
+Object.defineProperty(proto, "enumerable", {
+  get: function() {
+    return true;
+  }
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+Object.defineProperty(descObj, "enumerable", {
+  set: function() {}
+});
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-58.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-58.js
new file mode 100644
index 0000000000..0af4b2299e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-58.js
@@ -0,0 +1,34 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-58
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is an inherited accessor property without a get
+    function (8.10.5 step 3.a)
+---*/
+
+var proto = {};
+var accessed = false;
+
+Object.defineProperty(proto, "enumerable", {
+  set: function() {}
+});
+
+var ConstructFun = function() {};
+ConstructFun.prototype = proto;
+var descObj = new ConstructFun();
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-59.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-59.js
new file mode 100644
index 0000000000..b18f28b0e6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-59.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.
+
+/*---
+es5id: 15.2.3.5-4-59
+description: >
+    Object.create - one property in 'Properties' is a Function object
+    which implements its own [[Get]] method to access the 'enumerable'
+    property (8.10.5 step 3.a)
+---*/
+
+var accessed = false;
+var descObj = function() {};
+
+descObj.enumerable = true;
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-6.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-6.js
new file mode 100644
index 0000000000..c6571f5121
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-6.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.
+
+/*---
+es5id: 15.2.3.5-4-6
+description: >
+    Object.create - argument 'Properties' is an Array object (15.2.3.7
+    step 2).
+---*/
+
+var props = [];
+var result = false;
+
+Object.defineProperty(props, "prop", {
+  get: function() {
+    result = this instanceof Array;
+    return {};
+  },
+  enumerable: true
+});
+Object.create({}, props);
+
+assert(result, 'result !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-60.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-60.js
new file mode 100644
index 0000000000..79890a88b1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-60.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.
+
+/*---
+es5id: 15.2.3.5-4-60
+description: >
+    Object.create - one property in 'Properties' is an Array object
+    that uses Object's [[Get]] method to access the 'enumerable'
+    property (8.10.5 step 3.a)
+---*/
+
+var accessed = false;
+var descObj = [];
+
+descObj.enumerable = true;
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-61.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-61.js
new file mode 100644
index 0000000000..0d9f02e508
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-61.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.
+
+/*---
+es5id: 15.2.3.5-4-61
+description: >
+    Object.create - one property in 'Properties' is a String object
+    that uses Object's [[Get]] method to access the 'enumerable'
+    property (8.10.5 step 3.a)
+---*/
+
+var accessed = false;
+var descObj = new String();
+
+descObj.enumerable = true;
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-62.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-62.js
new file mode 100644
index 0000000000..3cbf56b070
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-62.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.
+
+/*---
+es5id: 15.2.3.5-4-62
+description: >
+    Object.create - one property in 'Properties' is a Boolean object
+    that uses Object's [[Get]] method to access the 'enumerable'
+    property (8.10.5 step 3.a)
+---*/
+
+var accessed = false;
+var descObj = new Boolean(false);
+
+descObj.enumerable = true;
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-63.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-63.js
new file mode 100644
index 0000000000..b97e2c07ff
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-63.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.
+
+/*---
+es5id: 15.2.3.5-4-63
+description: >
+    Object.create - one property in 'Properties' is a Number object
+    that uses Object's [[Get]] method to access the 'enumerable'
+    property (8.10.5 step 3.a)
+---*/
+
+var accessed = false;
+var descObj = new Number(-9);
+
+descObj.enumerable = true;
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-64.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-64.js
new file mode 100644
index 0000000000..1b9b943cce
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-64.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-64
+description: >
+    Object.create - one property in 'Properties' is the Math object
+    that uses Object's [[Get]] method to access the 'enumerable'
+    property (8.10.5 step 3.a)
+---*/
+
+var accessed = false;
+
+Math.enumerable = true;
+
+var newObj = Object.create({}, {
+  prop: Math
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-65.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-65.js
new file mode 100644
index 0000000000..6080685872
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-65.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.
+
+/*---
+es5id: 15.2.3.5-4-65
+description: >
+    Object.create - one property in 'Properties' is a Date object that
+    uses Object's [[Get]] method to access the 'enumerable' property
+    (8.10.5 step 3.a)
+---*/
+
+var accessed = false;
+var descObj = new Date();
+
+descObj.enumerable = true;
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-66.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-66.js
new file mode 100644
index 0000000000..a90a9a84fe
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-66.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.
+
+/*---
+es5id: 15.2.3.5-4-66
+description: >
+    Object.create - one property in 'Properties' is a RegExp object
+    that uses Object's [[Get]] method to access the 'enumerable'
+    property (8.10.5 step 3.a)
+---*/
+
+var accessed = false;
+var descObj = new RegExp();
+
+descObj.enumerable = true;
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-67.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-67.js
new file mode 100644
index 0000000000..3b55ec2225
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-67.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-67
+description: >
+    Object.create - one property in 'Properties' is the JSON object
+    that uses Object's [[Get]] method to access the 'enumerable'
+    property (8.10.5 step 3.a)
+---*/
+
+var accessed = false;
+
+JSON.enumerable = true;
+
+var newObj = Object.create({}, {
+  prop: JSON
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-68.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-68.js
new file mode 100644
index 0000000000..06977453d3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-68.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.
+
+/*---
+es5id: 15.2.3.5-4-68
+description: >
+    Object.create - one property in 'Properties' is an Error object
+    that uses Object's [[Get]] method to access the 'enumerable'
+    property (8.10.5 step 3.a)
+---*/
+
+var accessed = false;
+var descObj = new Error();
+
+descObj.enumerable = true;
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-69.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-69.js
new file mode 100644
index 0000000000..475c2b9108
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-69.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.
+
+/*---
+es5id: 15.2.3.5-4-69
+description: >
+    Object.create - one property in 'Properties' is an Arguments
+    object which implements its own [[Get]] method to access the
+    'enumerable' property (8.10.5 step 3.a)
+---*/
+
+var accessed = false;
+var argObj = (function() {
+  return arguments;
+})();
+
+argObj.enumerable = true;
+
+var newObj = Object.create({}, {
+  prop: argObj
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-7.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-7.js
new file mode 100644
index 0000000000..934b4902e1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-7.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.
+
+/*---
+es5id: 15.2.3.5-4-7
+description: >
+    Object.create - argument 'Properties' is a String object (15.2.3.7
+    step 2)
+---*/
+
+var props = new String();
+var result = false;
+
+Object.defineProperty(props, "prop", {
+  get: function() {
+    result = this instanceof String;
+    return {};
+  },
+  enumerable: true
+});
+Object.create({}, props);
+
+assert(result, 'result !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-71.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-71.js
new file mode 100644
index 0000000000..567b68cccf
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-71.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-71
+description: >
+    Object.create - one property in 'Properties' is the global object
+    that uses Object's [[Get]] method to access the 'enumerable'
+    property (8.10.5 step 3.a)
+---*/
+
+var accessed = false;
+
+this.enumerable = true;
+
+var newObj = Object.create({}, {
+  prop: this
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-72.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-72.js
new file mode 100644
index 0000000000..07923b63aa
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-72.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.
+
+/*---
+es5id: 15.2.3.5-4-72
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is undefined (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: undefined
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-73.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-73.js
new file mode 100644
index 0000000000..003e3e8906
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-73.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.
+
+/*---
+es5id: 15.2.3.5-4-73
+description: >
+    Object.create - value of 'enumerable' property of one property in
+    'Properties' is null (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: null
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-74.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-74.js
new file mode 100644
index 0000000000..9b266a47c2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-74.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.
+
+/*---
+es5id: 15.2.3.5-4-74
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is true (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: true
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-75.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-75.js
new file mode 100644
index 0000000000..18e0f9317d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-75.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.
+
+/*---
+es5id: 15.2.3.5-4-75
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is false (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+var descObj = {
+  enumerable: false
+};
+
+var newObj = Object.create({}, {
+  prop: descObj
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert.sameValue(accessed, false, 'accessed');
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-76.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-76.js
new file mode 100644
index 0000000000..778b0fa6c9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-76.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-76
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is 0 (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: 0
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert.sameValue(accessed, false, 'accessed');
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-77.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-77.js
new file mode 100644
index 0000000000..4a63d956a6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-77.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-77
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is +0 (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: +0
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert.sameValue(accessed, false, 'accessed');
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-78.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-78.js
new file mode 100644
index 0000000000..b1677c0016
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-78.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-78
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is -0 (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: -0
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert.sameValue(accessed, false, 'accessed');
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-79.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-79.js
new file mode 100644
index 0000000000..d23acdfedc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-79.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-79
+description: >
+    Object.create -  'enumerable' property of one property in
+    'Properties' is NaN (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: NaN
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert.sameValue(accessed, false, 'accessed');
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-8.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-8.js
new file mode 100644
index 0000000000..3d4dc15a88
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-8.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.
+
+/*---
+es5id: 15.2.3.5-4-8
+description: >
+    Object.create - argument 'Properties' is a Boolean object whose
+    primitive value is true (15.2.3.7 step 2).
+---*/
+
+var props = new Boolean(true);
+var result = false;
+
+Object.defineProperty(props, "prop", {
+  get: function() {
+    result = this instanceof Boolean;
+    return {};
+  },
+  enumerable: true
+});
+Object.create({}, props);
+
+assert(result, 'result !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-80.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-80.js
new file mode 100644
index 0000000000..b239ec8add
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-80.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.
+
+/*---
+es5id: 15.2.3.5-4-80
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is a positive number primitive (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: 12
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-81.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-81.js
new file mode 100644
index 0000000000..c94967c1d8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-81.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.
+
+/*---
+es5id: 15.2.3.5-4-81
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is a negative number primitive (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: -9
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-82.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-82.js
new file mode 100644
index 0000000000..238d87cd0c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-82.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-82
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is an empty string (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: ""
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert.sameValue(accessed, false, 'accessed');
+assert(newObj.hasOwnProperty("prop"), 'newObj.hasOwnProperty("prop") !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-83.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-83.js
new file mode 100644
index 0000000000..d75ae08b10
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-83.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.
+
+/*---
+es5id: 15.2.3.5-4-83
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is a non-empty string (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: "AB\n\\cd"
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-84.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-84.js
new file mode 100644
index 0000000000..465512f852
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-84.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.
+
+/*---
+es5id: 15.2.3.5-4-84
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is a Function object (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: function() {}
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-85.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-85.js
new file mode 100644
index 0000000000..8396312eed
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-85.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-85
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is an Array object (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: []
+  }
+});
+
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-86.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-86.js
new file mode 100644
index 0000000000..6b8bf1b198
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-86.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.
+
+/*---
+es5id: 15.2.3.5-4-86
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is a String object (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: new String()
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-87.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-87.js
new file mode 100644
index 0000000000..7ce2a3eb6c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-87.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.
+
+/*---
+es5id: 15.2.3.5-4-87
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is a Boolean object (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: new Boolean(true)
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-88.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-88.js
new file mode 100644
index 0000000000..8568fe302b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-88.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.
+
+/*---
+es5id: 15.2.3.5-4-88
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is a Number object (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: new Number(-9)
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-89.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-89.js
new file mode 100644
index 0000000000..6bdc03c2f2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-89.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.
+
+/*---
+es5id: 15.2.3.5-4-89
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is the Math object (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: Math
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-9.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-9.js
new file mode 100644
index 0000000000..fd12a2c08e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-9.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.
+
+/*---
+es5id: 15.2.3.5-4-9
+description: >
+    Object.create - argument 'Properties' is a Number object whose
+    primitive value is any interesting number (15.2.3.7 step 2).
+---*/
+
+var props = new Number(12);
+var result = false;
+
+Object.defineProperty(props, "prop", {
+  get: function() {
+    result = this instanceof Number;
+    return {};
+  },
+  enumerable: true
+});
+Object.create({}, props);
+
+assert(result, 'result !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-90.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-90.js
new file mode 100644
index 0000000000..07972bdf64
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-90.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.
+
+/*---
+es5id: 15.2.3.5-4-90
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is a Date object (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: new Date()
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-91.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-91.js
new file mode 100644
index 0000000000..98fd988908
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-91.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.
+
+/*---
+es5id: 15.2.3.5-4-91
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is a RegExp object (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: new RegExp()
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-92.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-92.js
new file mode 100644
index 0000000000..3b5cb1dc9a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-92.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.
+
+/*---
+es5id: 15.2.3.5-4-92
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is the JSON object (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: JSON
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-93.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-93.js
new file mode 100644
index 0000000000..031209d4d9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-93.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.
+
+/*---
+es5id: 15.2.3.5-4-93
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is an Error object (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: new Error()
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-94.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-94.js
new file mode 100644
index 0000000000..e8ed726a94
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-94.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-94
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is an Arguments object (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+var argObj = (function() {
+  return arguments;
+})();
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: argObj
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-96.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-96.js
new file mode 100644
index 0000000000..19f6d7d7a5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-96.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.
+
+/*---
+es5id: 15.2.3.5-4-96
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is the global object (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: this
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-97.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-97.js
new file mode 100644
index 0000000000..77b6339504
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-97.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-97
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is a string (value is 'false'), which is treated as
+    the value true (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: "false"
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-98.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-98.js
new file mode 100644
index 0000000000..9950402b7a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-98.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.5-4-98
+description: >
+    Object.create - 'enumerable' property of one property in
+    'Properties' is new Boolean(false), which is treated as the value
+    true (8.10.5 step 3.b)
+---*/
+
+var accessed = false;
+
+var newObj = Object.create({}, {
+  prop: {
+    enumerable: new Boolean(false)
+  }
+});
+for (var property in newObj) {
+  if (property === "prop") {
+    accessed = true;
+  }
+}
+
+assert(accessed, 'accessed !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-99.js b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-99.js
new file mode 100644
index 0000000000..2aa497d673
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/15.2.3.5-4-99.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.
+
+/*---
+es5id: 15.2.3.5-4-99
+description: >
+    Object.create - 'configurable' property of one property in
+    'Properties' is true (8.10.5 step 4)
+---*/
+
+var newObj = Object.create({}, {
+  prop: {
+    configurable: true
+  }
+});
+
+var result1 = newObj.hasOwnProperty("prop");
+delete newObj.prop;
+var result2 = newObj.hasOwnProperty("prop");
+
+assert.sameValue(result1, true, 'result1');
+assert.sameValue(result2, false, 'result2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/browser.js b/js/src/tests/test262/built-ins/Object/create/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/browser.js
diff --git a/js/src/tests/test262/built-ins/Object/create/name.js b/js/src/tests/test262/built-ins/Object/create/name.js
new file mode 100644
index 0000000000..63cfe5f126
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 19.1.2.2
+description: >
+  Object.create.name is "create".
+info: |
+  Object.create ( O [ , Properties ] )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Object.create.name, "create");
+
+verifyNotEnumerable(Object.create, "name");
+verifyNotWritable(Object.create, "name");
+verifyConfigurable(Object.create, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/not-a-constructor.js b/js/src/tests/test262/built-ins/Object/create/not-a-constructor.js
new file mode 100644
index 0000000000..00efa6dc33
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Object.create does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Object.create), false, 'isConstructor(Object.create) must return false');
+
+assert.throws(TypeError, () => {
+  new Object.create(null);
+}, '`new Object.create(null)` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/properties-arg-to-object-bigint.js b/js/src/tests/test262/built-ins/Object/create/properties-arg-to-object-bigint.js
new file mode 100644
index 0000000000..6b47fca302
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/properties-arg-to-object-bigint.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.create
+description: >
+  The Properties argument is cast to an object if it's a BigInt value
+info: |
+  Object.create ( O, Properties )
+
+  3. If Properties is not undefined, then
+    a. Return ? ObjectDefineProperties(obj, Properties).
+
+  Runtime Semantics: ObjectDefineProperties ( O, Properties )
+
+  2. Let props be ? ToObject(Properties).
+  3. Let keys be ? props.[[OwnPropertyKeys]]().
+  ...
+  // All enumerable keys are added to the created object.
+features: [BigInt]
+---*/
+
+var proto = {};
+
+var obj;
+obj = Object.create(proto, 1n);
+assert.sameValue(Object.getPrototypeOf(obj), proto, 'Properties is 1n: prototype is set');
+assert.sameValue(Object.getOwnPropertyNames(obj).length, 0, 'Properties is 1n: no keys set');
+assert.sameValue(Object.getOwnPropertySymbols(obj).length, 0, 'Properties is 1n: no symbol keys set');
+
+obj = undefined;
+obj = Object.create(proto, 0n);
+assert.sameValue(Object.getPrototypeOf(obj), proto, 'Properties is 0n: prototype is set');
+assert.sameValue(Object.getOwnPropertyNames(obj).length, 0, 'Properties is 0n: no keys set');
+assert.sameValue(Object.getOwnPropertySymbols(obj).length, 0, 'Properties is 0n: no symbol keys set');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/properties-arg-to-object-non-empty-string.js b/js/src/tests/test262/built-ins/Object/create/properties-arg-to-object-non-empty-string.js
new file mode 100644
index 0000000000..d14c034557
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/properties-arg-to-object-non-empty-string.js
@@ -0,0 +1,37 @@
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.create
+description: >
+  Throws a TypeError if the Properties argument is a non-empty string
+info: |
+  Object.create ( O, Properties )
+
+  3. If Properties is not undefined, then
+    a. Return ? ObjectDefineProperties(obj, Properties).
+
+  Runtime Semantics: ObjectDefineProperties ( O, Properties )
+
+  2. Let props be ? ToObject(Properties).
+  3. Let keys be ? props.[[OwnPropertyKeys]]().
+  4. Let descriptors be a new empty List.
+  5. For each element nextKey of keys in List order, do
+    a. Let propDesc be ? props.[[GetOwnProperty]](nextKey).
+    b. If propDesc is not undefined and propDesc.[[Enumerable]] is true, then
+      i. Let descObj be ? Get(props, nextKey).
+      ii. Let desc be ? ToPropertyDescriptor(descObj).
+
+  ToPropertyDescriptor ( Obj )
+
+  1. If Type(Obj) is not Object, throw a TypeError exception.
+---*/
+
+// The first nextKey is 'h' and its OwnProperty in the String object is enumerable
+// Get(props, nextKey) is an equivalent of Object('hello')[nextKey]
+// The first descObj will be 'h', so it will throw in ToPropertyDescriptor
+assert.throws(TypeError, function() {
+  Object.create({}, 'hello');
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/properties-arg-to-object-null.js b/js/src/tests/test262/built-ins/Object/create/properties-arg-to-object-null.js
new file mode 100644
index 0000000000..452230e7c8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/properties-arg-to-object-null.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.create
+description: >
+  Throws a TypeError if the Properties argument is null
+info: |
+  Object.create ( O, Properties )
+
+  3. If Properties is not undefined, then
+    a. Return ? ObjectDefineProperties(obj, Properties).
+
+  Runtime Semantics: ObjectDefineProperties ( O, Properties )
+
+  2. Let props be ? ToObject(Properties).
+---*/
+
+assert.throws(TypeError, function() {
+  Object.create({}, null);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/properties-arg-to-object.js b/js/src/tests/test262/built-ins/Object/create/properties-arg-to-object.js
new file mode 100644
index 0000000000..e8e93500f5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/properties-arg-to-object.js
@@ -0,0 +1,61 @@
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.create
+description: >
+  The Properties argument is cast to an object if not undefined
+info: |
+  Object.create ( O, Properties )
+
+  3. If Properties is not undefined, then
+    a. Return ? ObjectDefineProperties(obj, Properties).
+
+  Runtime Semantics: ObjectDefineProperties ( O, Properties )
+
+  2. Let props be ? ToObject(Properties).
+  3. Let keys be ? props.[[OwnPropertyKeys]]().
+  ...
+  // All enumerable keys are added to the created object.
+features: [Symbol]
+---*/
+
+var proto = {};
+
+var obj;
+obj = Object.create(proto, true);
+assert.sameValue(Object.getPrototypeOf(obj), proto, 'Properties is true: prototype is set');
+assert.sameValue(Object.getOwnPropertyNames(obj).length, 0, 'Properties is true: no keys set');
+assert.sameValue(Object.getOwnPropertySymbols(obj).length, 0, 'Properties is true: no symbol keys set');
+
+obj = undefined;
+obj = Object.create(proto, false);
+assert.sameValue(Object.getPrototypeOf(obj), proto, 'Properties is false: prototype is set');
+assert.sameValue(Object.getOwnPropertyNames(obj).length, 0, 'Properties is false: no keys set');
+assert.sameValue(Object.getOwnPropertySymbols(obj).length, 0, 'Properties is false: no symbol keys set');
+
+obj = undefined;
+obj = Object.create(proto, 1);
+assert.sameValue(Object.getPrototypeOf(obj), proto, 'Properties is 1: prototype is set');
+assert.sameValue(Object.getOwnPropertyNames(obj).length, 0, 'Properties is 1: no keys set');
+assert.sameValue(Object.getOwnPropertySymbols(obj).length, 0, 'Properties is 1: no symbol keys set');
+
+obj = undefined;
+obj = Object.create(proto, NaN);
+assert.sameValue(Object.getPrototypeOf(obj), proto, 'Properties is NaN: prototype is set');
+assert.sameValue(Object.getOwnPropertyNames(obj).length, 0, 'Properties is NaN: no keys set');
+assert.sameValue(Object.getOwnPropertySymbols(obj).length, 0, 'Properties is NaN: no symbol keys set');
+
+obj = undefined;
+obj = Object.create(proto, '');
+assert.sameValue(Object.getPrototypeOf(obj), proto, 'Properties is the empty string: prototype is set');
+assert.sameValue(Object.getOwnPropertyNames(obj).length, 0, 'Properties is the empty string: no keys set');
+assert.sameValue(Object.getOwnPropertySymbols(obj).length, 0, 'Properties is the empty string: no symbol keys set');
+
+obj = undefined;
+obj = Object.create(proto, Symbol('s'));
+assert.sameValue(Object.getPrototypeOf(obj), proto, 'Properties is symbol: prototype is set');
+assert.sameValue(Object.getOwnPropertyNames(obj).length, 0, 'Properties is symbol: no keys set');
+assert.sameValue(Object.getOwnPropertySymbols(obj).length, 0, 'Properties is symbol: no symbol keys set');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/create/shell.js b/js/src/tests/test262/built-ins/Object/create/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/shell.js