Adding upstream version 124.0.1.upstream/124.0.1

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

47 files changed, 1179 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-0-1.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-0-1.js
new file mode 100644
index 0000000000..39afec9007
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-0-1.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: 15.2.3.4-0-1
+description: Object.getOwnPropertyNames must exist as a function
+---*/
+
+assert.sameValue(typeof(Object.getOwnPropertyNames), "function", 'typeof(Object.getOwnPropertyNames)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-0-2.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-0-2.js
new file mode 100644
index 0000000000..a3c2840381
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-0-2.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: 15.2.3.4-0-2
+description: >
+    Object.getOwnPropertyNames must exist as a function taking 1
+    parameter
+---*/
+
+assert.sameValue(Object.getOwnPropertyNames.length, 1, 'Object.getOwnPropertyNames.length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-1-2.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-1-2.js
new file mode 100644
index 0000000000..8a55376ed4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-1-2.js
@@ -0,0 +1,14 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.4-1-2
+description: Object.getOwnPropertyNames throws TypeError if 'O' is undefined
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.getOwnPropertyNames(undefined);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-1-3.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-1-3.js
new file mode 100644
index 0000000000..6b4a1410a9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-1-3.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: 15.2.3.4-1-3
+description: Object.getOwnPropertyNames throws TypeError if 'O' is null
+---*/
+
+
+assert.throws(TypeError, function() {
+  Object.getOwnPropertyNames(null);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-1-4.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-1-4.js
new file mode 100644
index 0000000000..d56ea4b702
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-1-4.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.4-1-4
+description: >
+    Object.getOwnPropertyNames does not throw TypeError if 'O' is a
+    boolean
+---*/
+
+Object.getOwnPropertyNames(true);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-1-5.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-1-5.js
new file mode 100644
index 0000000000..f830ebe3e2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-1-5.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.4-1-5
+description: >
+    Object.getOwnPropertyNames does not throw TypeError if 'O' is a
+    string
+---*/
+
+Object.getOwnPropertyNames("abc");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-1.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-1.js
new file mode 100644
index 0000000000..7da9dbbaba
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-1.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.4-1
+description: >
+    Object.getOwnPropertyNames does not throw TypeError if type of
+    first param is not Object
+---*/
+
+Object.getOwnPropertyNames(0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-1.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-1.js
new file mode 100644
index 0000000000..3e1bf71ffa
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-1.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: 15.2.3.4-2-1
+description: >
+    Object.getOwnPropertyNames - returned array is an array according
+    to Array.isArray
+---*/
+
+var obj = {};
+var result = Object.getOwnPropertyNames(obj);
+
+assert(Array.isArray(result), 'Array.isArray(result) !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-2.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-2.js
new file mode 100644
index 0000000000..18ad55b732
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-2.js
@@ -0,0 +1,14 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.4-2-2
+description: Object.getOwnPropertyNames - returned array is an instance of Array
+---*/
+
+var obj = {};
+var result = Object.getOwnPropertyNames(obj);
+
+assert(result instanceof Array, 'result instanceof Array !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-3.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-3.js
new file mode 100644
index 0000000000..b47f219245
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-3.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: 15.2.3.4-2-3
+description: >
+    Object.getOwnPropertyNames - length of returned array is
+    initialized to 0
+---*/
+
+var obj = {};
+var result = Object.getOwnPropertyNames(obj);
+
+assert.sameValue(result.length, 0, 'result.length');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-4.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-4.js
new file mode 100644
index 0000000000..5b1c233efa
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-4.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: 15.2.3.4-2-4
+description: >
+    Object.getOwnPropertyNames - returned array is the standard
+    built-in constructor
+---*/
+
+var oldArray = Array;
+Array = function() {
+  throw new Error("invoke customer defined Array!");
+};
+
+var obj = {};
+
+var result = Object.getOwnPropertyNames(obj);
+
+assert.sameValue(Object.prototype.toString.call(result), "[object Array]", 'Object.prototype.toString.call(result)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-3-1.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-3-1.js
new file mode 100644
index 0000000000..7e6f562502
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-3-1.js
@@ -0,0 +1,20 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.4-3-1
+description: >
+    Object.getOwnPropertyNames - elements of the returned array start
+    from index 0
+---*/
+
+var obj = {
+  prop1: 1001
+};
+
+var arr = Object.getOwnPropertyNames(obj);
+
+assert(arr.hasOwnProperty(0), 'arr.hasOwnProperty(0) !== true');
+assert.sameValue(arr[0], "prop1", 'arr[0]');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-1.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-1.js
new file mode 100644
index 0000000000..a0a57a3728
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-1.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.4-4-1
+description: Object.getOwnPropertyNames returns array of property names (Global)
+---*/
+
+var result = Object.getOwnPropertyNames(this);
+var expResult = ["NaN", "Infinity", "undefined", "eval", "parseInt", "parseFloat", "isNaN", "isFinite", "decodeURI", "decodeURIComponent", "encodeURI", "encodeURIComponent", "Object", "Function", "Array", "String", "Boolean", "Number", "Date", "Date", "RegExp", "Error", "EvalError", "RangeError", "ReferenceError", "SyntaxError", "TypeError", "URIError", "Math", "JSON"];
+
+var result1 = {};
+for (var p in result) {
+  result1[result[p]] = true;
+}
+
+for (var p1 in expResult) {
+  assert(result1[expResult[p1]], 'result1[expResult[p1]] !== true');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-2.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-2.js
new file mode 100644
index 0000000000..2870645c46
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-2.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: 15.2.3.4-4-2
+description: Object.getOwnPropertyNames returns array of property names (Object)
+---*/
+
+var result = Object.getOwnPropertyNames(Object);
+
+assert(result.indexOf("getPrototypeOf") > -1, "getPrototypeOf");
+assert(result.indexOf("getOwnPropertyDescriptor") > -1, "getOwnPropertyDescriptor");
+assert(result.indexOf("getOwnPropertyNames") > -1, "getOwnPropertyNames");
+assert(result.indexOf("create") > -1, "create");
+assert(result.indexOf("defineProperty") > -1, "defineProperty");
+assert(result.indexOf("defineProperties") > -1, "defineProperties");
+assert(result.indexOf("seal") > -1, "seal");
+assert(result.indexOf("freeze") > -1, "freeze");
+assert(result.indexOf("preventExtensions") > -1, "preventExtensions");
+assert(result.indexOf("isSealed") > -1, "isSealed");
+assert(result.indexOf("isFrozen") > -1, "isFrozen");
+assert(result.indexOf("isExtensible") > -1, "isExtensible");
+assert(result.indexOf("keys") > -1, "keys");
+assert(result.indexOf("prototype") > -1, "prototype");
+assert(result.indexOf("length") > -1, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-36.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-36.js
new file mode 100644
index 0000000000..d93719c7ba
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-36.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: 15.2.3.4-4-36
+description: >
+    Object.getOwnPropertyNames - inherited data properties are not
+    pushed into the returned array
+---*/
+
+var proto = {
+  "parent": "parent"
+};
+
+var Con = function() {};
+Con.prototype = proto;
+
+var child = new Con();
+
+var result = Object.getOwnPropertyNames(child);
+
+for (var p in result) {
+  assert.notSameValue(result[p], "parent", 'result[p]');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-37.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-37.js
new file mode 100644
index 0000000000..a5901e3f26
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-37.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: 15.2.3.4-4-37
+description: >
+    Object.getOwnPropertyNames - inherited accessor properties are not
+    pushed into the returned array
+---*/
+
+var proto = {};
+Object.defineProperty(proto, "parent", {
+  get: function() {
+    return "parent";
+  },
+  configurable: true
+});
+
+var Con = function() {};
+Con.prototype = proto;
+
+var child = new Con();
+
+var result = Object.getOwnPropertyNames(child);
+
+for (var p in result) {
+  assert.notSameValue(result[p], "parent", 'result[p]');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-38.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-38.js
new file mode 100644
index 0000000000..de2274173f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-38.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: 15.2.3.4-4-38
+description: >
+    Object.getOwnPropertyNames - own data properties are pushed into
+    the returned array
+---*/
+
+var obj = {
+  "a": "a"
+};
+
+var result = Object.getOwnPropertyNames(obj);
+
+assert.sameValue(result[0], "a", 'result[0]');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-39.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-39.js
new file mode 100644
index 0000000000..681b07a3da
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-39.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: 15.2.3.4-4-39
+description: >
+    Object.getOwnPropertyNames - own accessor properties are pushed
+    into the returned array
+---*/
+
+var obj = {};
+Object.defineProperty(obj, "a", {
+  get: function() {
+    return "a";
+  },
+  configurable: true
+});
+
+var result = Object.getOwnPropertyNames(obj);
+
+assert.sameValue(result[0], "a", 'result[0]');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-40.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-40.js
new file mode 100644
index 0000000000..c57effcf8c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-40.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: 15.2.3.4-4-40
+description: >
+    Object.getOwnPropertyNames - inherited data property of String
+    object 'O' is not pushed into the returned array
+---*/
+
+var str = new String("abc");
+
+String.prototype.protoProperty = "protoString";
+
+var result = Object.getOwnPropertyNames(str);
+
+for (var p in result) {
+  assert.notSameValue(result[p], "protoProperty", 'result[p]');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-41.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-41.js
new file mode 100644
index 0000000000..bb0c8fb0d5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-41.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: 15.2.3.4-4-41
+description: >
+    Object.getOwnPropertyNames - inherited accessor property of String
+    object 'O' is not pushed into the returned array
+---*/
+
+var str = new String("abc");
+
+Object.defineProperty(String.prototype, "protoProperty", {
+  get: function() {
+    return "protoString";
+  },
+  configurable: true
+});
+
+var result = Object.getOwnPropertyNames(str);
+
+for (var p in result) {
+  assert.notSameValue(result[p], "protoProperty", 'result[p]');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-42.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-42.js
new file mode 100644
index 0000000000..c89f56d2f9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-42.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: 15.2.3.4-4-42
+description: >
+    Object.getOwnPropertyNames - own data property of String object
+    'O' is pushed into the returned array
+---*/
+
+var propertyFound = false;
+
+var str = new String("abc");
+
+Object.defineProperty(str, "ownProperty", {
+  value: "ownString",
+  configurable: true
+});
+
+var result = Object.getOwnPropertyNames(str);
+
+for (var p in result) {
+  if (result[p] === "ownProperty") {
+    propertyFound = true;
+    break;
+  }
+}
+
+assert(propertyFound, 'Property not found');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-43.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-43.js
new file mode 100644
index 0000000000..81354318e2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-43.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: 15.2.3.4-4-43
+description: >
+    Object.getOwnPropertyNames - own accessor property of String
+    object 'O' is pushed into the returned array
+---*/
+
+var propertyFound = false;
+
+var str = new String("abc");
+
+Object.defineProperty(str, "ownProperty", {
+  get: function() {
+    return "ownString";
+  },
+  configurable: true
+});
+
+var result = Object.getOwnPropertyNames(str);
+
+for (var p in result) {
+  if (result[p] === "ownProperty") {
+    propertyFound = true;
+    break;
+  }
+}
+
+assert(propertyFound, 'Property not found');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-44.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-44.js
new file mode 100644
index 0000000000..5aaccf652c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-44.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: 15.2.3.4-4-44
+description: >
+    Object.getOwnPropertyNames - own index properties of String object
+    are pushed into the returned Array
+includes: [compareArray.js]
+---*/
+
+var str = new String("abc");
+str[5] = "de";
+
+assert.compareArray(Object.getOwnPropertyNames(str), ["0", "1", "2", "5", "length"]);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-45.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-45.js
new file mode 100644
index 0000000000..44f7db4b82
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-45.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: 15.2.3.4-4-45
+description: >
+    Object.getOwnPropertyNames - inherited data property of Array
+    object 'O' is not pushed into the returned array.
+---*/
+
+var arr = [0, 1, 2];
+
+Array.prototype.protoProperty = "protoArray";
+
+var result = Object.getOwnPropertyNames(arr);
+
+for (var p in result) {
+  assert.notSameValue(result[p], "protoProperty", 'result[p]');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-46.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-46.js
new file mode 100644
index 0000000000..6cf340270a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-46.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: 15.2.3.4-4-46
+description: >
+    Object.getOwnPropertyNames - inherited accessor property of Array
+    object 'O' is not pushed into the returned array.
+---*/
+
+var arr = [0, 1, 2];
+
+Object.defineProperty(Array.prototype, "protoProperty", {
+  get: function() {
+    return "protoArray";
+  },
+  configurable: true
+});
+
+var result = Object.getOwnPropertyNames(arr);
+
+for (var p in result) {
+  assert.notSameValue(result[p], "protoProperty", 'result[p]');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-47.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-47.js
new file mode 100644
index 0000000000..26c2b53a98
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-47.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: 15.2.3.4-4-47
+description: >
+    Object.getOwnPropertyNames - own data property of Array object 'O'
+    is pushed into the returned array
+---*/
+
+var propertyFound = false;
+
+var arr = [0, 1, 2];
+arr.ownProperty = "ownArray";
+
+var result = Object.getOwnPropertyNames(arr);
+
+for (var p in result) {
+  if (result[p] === "ownProperty") {
+    propertyFound = true;
+    break;
+  }
+}
+
+assert(propertyFound, 'Property not found');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-48.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-48.js
new file mode 100644
index 0000000000..d2a9542b25
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-48.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: 15.2.3.4-4-48
+description: >
+    Object.getOwnPropertyNames - own accessor property of Array object
+    'O' is pushed into the returned array.
+---*/
+
+var propertyFound = false;
+
+var arr = [0, 1, 2];
+
+Object.defineProperty(arr, "ownProperty", {
+  get: function() {
+    return "ownArray";
+  },
+  configurable: true
+});
+
+var result = Object.getOwnPropertyNames(arr);
+
+for (var p in result) {
+  if (result[p] === "ownProperty") {
+    propertyFound = true;
+    break;
+  }
+}
+
+assert(propertyFound, 'Property not found');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-49.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-49.js
new file mode 100644
index 0000000000..d8f23995c6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-49.js
@@ -0,0 +1,15 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.4-4-49
+description: >
+    Object.getOwnPropertyNames - own index properties of Array objcect
+    are pushed into the returned Array
+includes: [compareArray.js]
+---*/
+
+var arr = [0, 1, 2];
+assert.compareArray(Object.getOwnPropertyNames(arr), ["0", "1", "2", "length"]);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-50.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-50.js
new file mode 100644
index 0000000000..e410daee67
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-50.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: 15.2.3.4-4-50
+description: >
+    Object.getOwnPropertyNames - non-enumerable own property of 'O' is
+    pushed into the returned Array
+---*/
+
+var obj = {};
+
+Object.defineProperty(obj, "nonEnumerableProp", {
+  value: 10,
+  enumerable: false,
+  configurable: true
+});
+
+var result = Object.getOwnPropertyNames(obj);
+
+assert.sameValue(result[0], "nonEnumerableProp", 'result[0]');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-1.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-1.js
new file mode 100644
index 0000000000..c75480cbfc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-1.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.4-4-b-1
+description: >
+    Object.getOwnPropertyNames - descriptor of resultant array is all
+    true
+---*/
+
+var obj = new Object();
+obj.x = 1;
+obj.y = 2;
+var result = Object.getOwnPropertyNames(obj);
+var desc = Object.getOwnPropertyDescriptor(result, "0");
+
+assert.sameValue(desc.enumerable, true, 'desc.enumerable');
+assert.sameValue(desc.configurable, true, 'desc.configurable');
+assert.sameValue(desc.writable, true, 'desc.writable');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-2.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-2.js
new file mode 100644
index 0000000000..4317af80fc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-2.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: 15.2.3.4-4-b-2
+description: >
+  Object.getOwnPropertyNames - all own properties are pushed into
+  the returned array
+includes: [compareArray.js]
+---*/
+
+var obj = {
+  "a": "a"
+};
+
+Object.defineProperty(obj, "b", {
+  get: function() {
+    return "b";
+  },
+  enumerable: false,
+  configurable: true
+});
+
+Object.defineProperty(obj, "c", {
+  get: function() {
+    return "c";
+  },
+  enumerable: true,
+  configurable: true
+});
+
+Object.defineProperty(obj, "d", {
+  value: "d",
+  enumerable: false,
+  configurable: true
+});
+
+assert.compareArray(Object.getOwnPropertyNames(obj), ["a", "b", "c", "d"]);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-3.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-3.js
new file mode 100644
index 0000000000..d03ba0945a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-3.js
@@ -0,0 +1,28 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.4-4-b-3
+description: >
+    Object.getOwnPropertyNames - own property named empty('') is
+    pushed into the returned array
+---*/
+
+var propertyFound = false;
+
+var obj = {
+  "": "empty"
+};
+
+var result = Object.getOwnPropertyNames(obj);
+
+for (var p in result) {
+  if (result[p] === "") {
+    propertyFound = true;
+    break;
+  }
+}
+
+assert(propertyFound, 'Property not found');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-4.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-4.js
new file mode 100644
index 0000000000..237dd11959
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-4.js
@@ -0,0 +1,24 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.4-4-b-4
+description: >
+    Object.getOwnPropertyNames - elements of the returned array are
+    writable
+---*/
+
+var obj = {
+  "a": "a"
+};
+
+var result = Object.getOwnPropertyNames(obj);
+
+var beforeOverride = (result[0] === "a");
+result[0] = "b";
+var afterOverride = (result[0] === "b");
+
+assert(beforeOverride, 'beforeOverride !== true');
+assert(afterOverride, 'afterOverride !== true');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-5.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-5.js
new file mode 100644
index 0000000000..e7931c5940
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-5.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: 15.2.3.4-4-b-5
+description: >
+    Object.getOwnPropertyNames - elements of the returned array are
+    enumerable
+---*/
+
+var propertyFound = false;
+
+var obj = {
+  "a": "a"
+};
+
+var result = Object.getOwnPropertyNames(obj);
+
+for (var p in result) {
+  if (result[p] === "a") {
+    propertyFound = true;
+    break;
+  }
+}
+
+assert(propertyFound, 'Property not found');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-6.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-6.js
new file mode 100644
index 0000000000..c958718539
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/15.2.3.4-4-b-6.js
@@ -0,0 +1,24 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.4-4-b-6
+description: >
+    Object.getOwnPropertyNames - elements of the returned array are
+    configurable
+---*/
+
+var obj = {
+  "a": "a"
+};
+
+var result = Object.getOwnPropertyNames(obj);
+
+var beforeDeleted = (result.hasOwnProperty("0"));
+delete result[0];
+var afterDeleted = (result.hasOwnProperty("0"));
+
+assert(beforeDeleted, 'beforeDeleted !== true');
+assert.sameValue(afterDeleted, false, 'afterDeleted');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/S15.2.3.4_A1_T1.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/S15.2.3.4_A1_T1.js
new file mode 100644
index 0000000000..c683929cbb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/S15.2.3.4_A1_T1.js
@@ -0,0 +1,22 @@
+// Copyright 2011 Google, Inc.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    Object.getOwnProperties and Object.prototype.hasOwnProperty should
+    agree on what the own properties are.
+es5id: 15.2.3.4_A1_T1
+description: >
+    Check that all the own property names reported by
+    Object.getOwnPropertyNames on a strict function are names that
+    hasOwnProperty agrees are own properties.
+---*/
+
+function foo() {}
+
+var names = Object.getOwnPropertyNames(foo);
+for (var i = 0, len = names.length; i < len; i++) {
+  assert(!!foo.hasOwnProperty(names[i]), 'The value of !!foo.hasOwnProperty(names[i]) is expected to be true');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/browser.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/browser.js
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/name.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/name.js
new file mode 100644
index 0000000000..9ed3603700
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/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: 19.1.2.7
+description: >
+  Object.getOwnPropertyNames.name is "getOwnPropertyNames".
+info: |
+  Object.getOwnPropertyNames ( O )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Object.getOwnPropertyNames.name, "getOwnPropertyNames");
+
+verifyNotEnumerable(Object.getOwnPropertyNames, "name");
+verifyNotWritable(Object.getOwnPropertyNames, "name");
+verifyConfigurable(Object.getOwnPropertyNames, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/non-object-argument-invalid.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/non-object-argument-invalid.js
new file mode 100644
index 0000000000..9f31f06545
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/non-object-argument-invalid.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-object.getownpropertynames
+description: >
+    Object.getOwnPropertyNames called with an invalid non-object value
+info: |
+  GetOwnPropertyKeys ( O, type )
+
+  Let obj be ? ToObject(O).
+  Let keys be ? obj.[[OwnPropertyKeys]]().
+  Let nameList be a new empty List.
+  For each element nextKey of keys, do
+    If Type(nextKey) is Symbol and type is symbol or Type(nextKey) is String and type is string, then
+      Append nextKey as the last element of nameList.
+  Return CreateArrayFromList(nameList).
+
+features: [Symbol]
+---*/
+
+let count = 0;
+
+assert.throws(TypeError, () => {
+  count++;
+  Object.getOwnPropertyNames(undefined);
+}, '`Object.getOwnPropertyNames(undefined)` throws TypeError');
+
+assert.throws(TypeError, () => {
+  count++;
+  Object.getOwnPropertyNames(null);
+}, '`Object.getOwnPropertyNames(null)` throws TypeError');
+
+assert.sameValue(count, 2, 'The value of `count` is 2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/non-object-argument-valid.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/non-object-argument-valid.js
new file mode 100644
index 0000000000..93e8001262
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/non-object-argument-valid.js
@@ -0,0 +1,47 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-object.getownpropertynames
+description: >
+    Object.getOwnPropertyNames called with a valid non-object value
+info: |
+  GetOwnPropertyKeys ( O, type )
+
+  Let obj be ? ToObject(O).
+  Let keys be ? obj.[[OwnPropertyKeys]]().
+  Let nameList be a new empty List.
+  For each element nextKey of keys, do
+    If Type(nextKey) is Symbol and type is symbol or Type(nextKey) is String and type is string, then
+      Append nextKey as the last element of nameList.
+  Return CreateArrayFromList(nameList).
+
+features: [Symbol]
+includes: [compareArray.js]
+---*/
+
+assert.compareArray(
+  Object.getOwnPropertyNames(true), [],
+  'Object.getOwnPropertyNames(true) must return []'
+);
+assert.compareArray(
+  Object.getOwnPropertyNames(false), [],
+  'Object.getOwnPropertyNames(false) must return []'
+);
+assert.compareArray(
+  Object.getOwnPropertyNames(1), [],
+  'Object.getOwnPropertyNames(1) must return []'
+);
+assert.compareArray(
+  Object.getOwnPropertyNames(0), [],
+  'Object.getOwnPropertyNames(0) must return []'
+);
+assert.compareArray(
+  Object.getOwnPropertyNames(""), ["length"],
+  'Object.getOwnPropertyNames("") must return ["length"]'
+);
+assert.compareArray(
+  Object.getOwnPropertyNames(Symbol()), [],
+  'Object.getOwnPropertyNames(Symbol()) must return []'
+);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/not-a-constructor.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/not-a-constructor.js
new file mode 100644
index 0000000000..70a205d5a4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/not-a-constructor.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Object.getOwnPropertyNames 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.getOwnPropertyNames),
+  false,
+  'isConstructor(Object.getOwnPropertyNames) must return false'
+);
+
+assert.throws(TypeError, () => {
+  new Object.getOwnPropertyNames({});
+}, '`new Object.getOwnPropertyNames({})` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/order-after-define-property.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/order-after-define-property.js
new file mode 100644
index 0000000000..ee8a079462
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/order-after-define-property.js
@@ -0,0 +1,50 @@
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.getownpropertynames
+description: >
+  Property names are returned in ascending chronological order of creation
+  that is unaffected by [[DefineOwnProperty]].
+info: |
+  Object.getOwnPropertyNames ( O )
+
+  1. Return ? GetOwnPropertyKeys(O, String).
+
+  GetOwnPropertyKeys ( O, type )
+
+  1. Let obj be ? ToObject(O).
+  2. Let keys be ? obj.[[OwnPropertyKeys]]().
+  [...]
+
+  OrdinaryOwnPropertyKeys ( O )
+
+  [...]
+  3. For each own property key P of O that is a String but is not an array index,
+  in ascending chronological order of property creation, do
+    a. Add P as the last element of keys.
+  [...]
+  5. Return keys.
+features: [arrow-function]
+includes: [compareArray.js]
+---*/
+
+var obj = {};
+Object.defineProperty(obj, "a", {
+  get: function() {},
+  set: function(_value) {},
+  enumerable: true,
+  configurable: true,
+})
+obj.b = 2;
+Object.defineProperty(obj, "a", {
+  set: function(_value) {},
+});
+assert.compareArray(Object.getOwnPropertyNames(obj), ["a", "b"]);
+
+var arr = [];
+arr.a = 1;
+Object.defineProperty(arr, "length", {value: 2});
+assert.compareArray(Object.getOwnPropertyNames(arr), ["length", "a"]);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/proxy-invariant-absent-not-configurable-symbol-key.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/proxy-invariant-absent-not-configurable-symbol-key.js
new file mode 100644
index 0000000000..8064daff4f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/proxy-invariant-absent-not-configurable-symbol-key.js
@@ -0,0 +1,56 @@
+// Copyright (C) 2019 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.getownpropertynames
+description: >
+  Proxy [[OwnPropertyKeys]] trap does not skip symbol keys when validating invariant:
+  * The result List must contain the keys of all non-configurable own properties of
+    the target object.
+info: |
+  Object.getOwnPropertyNames ( O )
+
+  1. Return ? GetOwnPropertyKeys(O, String).
+
+  GetOwnPropertyKeys ( O, type )
+
+  ...
+  2. Let keys be ? obj.[[OwnPropertyKeys]]().
+
+  [[OwnPropertyKeys]] ( )
+
+  ...
+  11. Let targetKeys be ? target.[[OwnPropertyKeys]]().
+  ...
+  15. Let targetNonconfigurableKeys be a new empty List.
+  16. For each element key of targetKeys, do
+    a. Let desc be ? target.[[GetOwnProperty]](key).
+    b. If desc is not undefined and desc.[[Configurable]] is false, then
+      i. Append key as an element of targetNonconfigurableKeys.
+  ...
+  18. Let uncheckedResultKeys be a new List which is a copy of trapResult.
+  19. For each key that is an element of targetNonconfigurableKeys, do
+    a. If key is not an element of uncheckedResultKeys, throw a TypeError exception.
+features: [Proxy, Symbol]
+---*/
+
+var target = {};
+var symbol = Symbol();
+Object.defineProperty(target, symbol, {
+  value: 1,
+  writable: true,
+  enumerable: true,
+  configurable: false,
+});
+
+var proxy = new Proxy(target, {
+  ownKeys: function() {
+    return [];
+  },
+});
+
+assert.throws(TypeError, function() {
+  Object.getOwnPropertyNames(proxy);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/proxy-invariant-duplicate-symbol-entry.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/proxy-invariant-duplicate-symbol-entry.js
new file mode 100644
index 0000000000..fe3757163f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/proxy-invariant-duplicate-symbol-entry.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2019 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.getownpropertynames
+description: >
+  Proxy [[OwnPropertyKeys]] trap does not skip symbol keys when validating invariant:
+  * The returned List contains no duplicate entries.
+info: |
+  Object.getOwnPropertyNames ( O )
+
+  1. Return ? GetOwnPropertyKeys(O, String).
+
+  GetOwnPropertyKeys ( O, type )
+
+  ...
+  2. Let keys be ? obj.[[OwnPropertyKeys]]().
+
+  [[OwnPropertyKeys]] ( )
+
+  ...
+  8. Let trapResult be ? CreateListFromArrayLike(trapResultArray, « String, Symbol »).
+  9. If trapResult contains any duplicate entries, throw a TypeError exception.
+features: [Proxy, Symbol]
+---*/
+
+var symbol = Symbol();
+var proxy = new Proxy({}, {
+  ownKeys: function() {
+    return [symbol, symbol];
+  },
+});
+
+assert.throws(TypeError, function() {
+  Object.getOwnPropertyNames(proxy);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/proxy-invariant-not-extensible-absent-symbol-key.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/proxy-invariant-not-extensible-absent-symbol-key.js
new file mode 100644
index 0000000000..20edc78cf9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/proxy-invariant-not-extensible-absent-symbol-key.js
@@ -0,0 +1,54 @@
+// Copyright (C) 2019 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.getownpropertynames
+description: >
+  Proxy [[OwnPropertyKeys]] trap does not skip symbol keys when validating invariant:
+  * If the target object is not extensible, then the result List must contain all the keys of
+    the own properties of the target object and no other values.
+info: |
+  Object.getOwnPropertyNames ( O )
+
+  1. Return ? GetOwnPropertyKeys(O, String).
+
+  GetOwnPropertyKeys ( O, type )
+
+  ...
+  2. Let keys be ? obj.[[OwnPropertyKeys]]().
+
+  [[OwnPropertyKeys]] ( )
+
+  ...
+  11. Let targetKeys be ? target.[[OwnPropertyKeys]]().
+  16. For each element key of targetKeys, do
+    a. Let desc be ? target.[[GetOwnProperty]](key).
+    b. If desc is not undefined and desc.[[Configurable]] is false, then
+      ...
+    c. Else,
+      i. Append key as an element of targetConfigurableKeys.
+  ...
+  18. Let uncheckedResultKeys be a new List which is a copy of trapResult.
+  ...
+  21. For each key that is an element of targetConfigurableKeys, do
+    a. If key is not an element of uncheckedResultKeys, throw a TypeError exception.
+features: [Proxy, Symbol]
+---*/
+
+var target = {};
+var symbol = Symbol();
+target[symbol] = 2;
+
+var proxy = new Proxy(target, {
+  ownKeys: function() {
+    return [];
+  },
+});
+
+Object.preventExtensions(target);
+
+assert.throws(TypeError, function() {
+  Object.getOwnPropertyNames(proxy);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/proxy-invariant-not-extensible-extra-symbol-key.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/proxy-invariant-not-extensible-extra-symbol-key.js
new file mode 100644
index 0000000000..e03c0d9fb5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/proxy-invariant-not-extensible-extra-symbol-key.js
@@ -0,0 +1,51 @@
+// Copyright (C) 2019 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.getownpropertynames
+description: >
+  Proxy [[OwnPropertyKeys]] trap does not skip symbol keys when validating invariant:
+  * If the target object is not extensible, then the result List must contain all the keys of
+    the own properties of the target object and no other values.
+info: |
+  Object.getOwnPropertyNames ( O )
+
+  1. Return ? GetOwnPropertyKeys(O, String).
+
+  GetOwnPropertyKeys ( O, type )
+
+  ...
+  2. Let keys be ? obj.[[OwnPropertyKeys]]().
+
+  [[OwnPropertyKeys]] ( )
+
+  ...
+  11. Let targetKeys be ? target.[[OwnPropertyKeys]]().
+  16. For each element key of targetKeys, do
+    a. Let desc be ? target.[[GetOwnProperty]](key).
+    b. If desc is not undefined and desc.[[Configurable]] is false, then
+      ...
+    c. Else,
+      i. Append key as an element of targetConfigurableKeys.
+  ...
+  18. Let uncheckedResultKeys be a new List which is a copy of trapResult.
+  ...
+  22. If uncheckedResultKeys is not empty, throw a TypeError exception.
+features: [Proxy, Symbol]
+---*/
+
+var target = {};
+var symbol = Symbol();
+var proxy = new Proxy(target, {
+  ownKeys: function() {
+    return [symbol];
+  },
+});
+
+Object.preventExtensions(target);
+
+assert.throws(TypeError, function() {
+  Object.getOwnPropertyNames(proxy);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/shell.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyNames/shell.js