Add Object.getOwnPropertyDescriptors tests.

test/built-ins/Object/getOwnPropertyDescriptors/exception-not-object-coercible.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2016 Jordan Harband. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Object.getOwnPropertyDescriptors should fail if given a null or undefined value
+es7id: pending
+author: Jordan Harband
+---*/
+
+assert.throws(TypeError, function () {
+    Object.getOwnPropertyDescriptors(null);
+});
+
+assert.throws(TypeError, function () {
+    Object.getOwnPropertyDescriptors(undefined);
+});

test/built-ins/Object/getOwnPropertyDescriptors/function-length.js

@@ -0,0 +1,15 @@
+// Copyright (C) 2016 Jordan Harband. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Object.getOwnPropertyDescriptors should have length 1
+es7id: pending
+author: Jordan Harband
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Object.getOwnPropertyDescriptors.length, 1, 'Expected Object.getOwnPropertyDescriptors.length to be 1');
+
+verifyNotEnumerable(Object.getOwnPropertyDescriptors, 'length');
+verifyNotWritable(Object.getOwnPropertyDescriptors, 'length');
+verifyConfigurable(Object.getOwnPropertyDescriptors, 'length');

test/built-ins/Object/getOwnPropertyDescriptors/function-name.js

@@ -0,0 +1,19 @@
+// Copyright (C) 2016 Jordan Harband. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Object.getOwnPropertyDescriptors should have name property with value 'getOwnPropertyDescriptors'
+es7id: pending
+author: Jordan Harband
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+    Object.getOwnPropertyDescriptors.name,
+    'getOwnPropertyDescriptors',
+    'Expected Object.getOwnPropertyDescriptors.name to be "getOwnPropertyDescriptors"'
+);
+
+verifyNotEnumerable(Object.getOwnPropertyDescriptors, 'name');
+verifyNotWritable(Object.getOwnPropertyDescriptors, 'name');
+verifyConfigurable(Object.getOwnPropertyDescriptors, 'name');

test/built-ins/Object/getOwnPropertyDescriptors/function-property-descriptor.js

@@ -0,0 +1,13 @@
+// Copyright (C) 2016 Jordan Harband. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Object.getOwnPropertyDescriptors should be writable, non-enumerable, and configurable
+es7id: pending
+author: Jordan Harband
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Object, 'getOwnPropertyDescriptors');
+verifyWritable(Object, 'getOwnPropertyDescriptors');
+verifyConfigurable(Object, 'getOwnPropertyDescriptors');

test/built-ins/Object/getOwnPropertyDescriptors/inherited-properties-omitted.js

@@ -0,0 +1,42 @@
+// Copyright (C) 2016 Jordan Harband. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Object.getOwnPropertyDescriptors does not see inherited properties.
+es7id: pending
+author: Jordan Harband
+---*/
+
+var F = function G() {};
+F.prototype.a = {};
+F.prototype.b = {};
+
+var f = new F();
+f.b = {}; // shadow the prototype
+Object.defineProperty(f, 'c', {
+  enumerable: false,
+  configurable: true,
+  writable: false,
+  value: {}
+}); // solely an own property
+
+var result = Object.getOwnPropertyDescriptors(f);
+
+assert.sameValue(!!result.b, true, 'b has a descriptor');
+assert.sameValue(!!result.c, true, 'c has a descriptor');
+
+assert.sameValue(result.b.enumerable, true, 'b is enumerable');
+assert.sameValue(result.b.configurable, true, 'b is configurable');
+assert.sameValue(result.b.writable, true, 'b is writable');
+assert.sameValue(result.b.value, f.b, 'b’s value is f.b');
+
+assert.sameValue(result.c.enumerable, false, 'c is enumerable');
+assert.sameValue(result.c.configurable, true, 'c is configurable');
+assert.sameValue(result.c.writable, false, 'c is writable');
+assert.sameValue(result.c.value, f.c, 'c’s value is f.c');
+
+assert.sameValue(
+  Object.keys(result).length,
+  Object.getOwnPropertyNames(f).length,
+  'result has same number of own property names as f'
+);

test/built-ins/Object/getOwnPropertyDescriptors/observable-operations.js

@@ -0,0 +1,45 @@
+// Copyright (C) 2016 Jordan Harband. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Object.getOwnPropertyDescriptors should perform observable operations in the correct order
+es7id: pending
+author: Jordan Harband
+features: [Proxy]
+---*/
+
+var log = "";
+var object = { a: 0, b: 0, c: 0 };
+var handler = {
+  get: function (target, propertyKey, receiver) {
+    throw new Test262Error('no values should be retrieved via [[Get]]');
+  },
+  getOwnPropertyDescriptor: function (target, propertyKey) {
+    assert.sameValue(target, object, "getOwnPropertyDescriptor");
+    log += "|getOwnPropertyDescriptor:" + propertyKey;
+    return Object.getOwnPropertyDescriptor(target, propertyKey);
+  },
+  ownKeys: function (target) {
+    assert.sameValue(target, object, "ownKeys");
+    log += "|ownKeys";
+    return Object.getOwnPropertyNames(target);
+  },
+  deleteProperty: function (oTarget, sKey) {
+    throw new Test262Error('properties should not be deleted');
+  },
+  defineProperty: function (oTarget, sKey, oDesc) {
+    throw new Test262Error('properties should not be defined');
+  },
+  set: function (oTarget, sKey, vValue) {
+    throw new Test262Error('properties should not be assigned');
+  }
+};
+var check = {
+  get: function (target, propertyKey, receiver) {
+    assert(propertyKey in target, "handler check: " + propertyKey);
+    return target[propertyKey];
+  }
+};
+var proxy = new Proxy(object, new Proxy(handler, check));
+var result = Object.getOwnPropertyDescriptors(proxy);
+assert.sameValue(log, "|ownKeys|getOwnPropertyDescriptor:a|getOwnPropertyDescriptor:b|getOwnPropertyDescriptor:c", log);

test/built-ins/Object/getOwnPropertyDescriptors/primitive-booleans.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2016 Jordan Harband. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Object.getOwnPropertyDescriptors accepts boolean primitives.
+es7id: pending
+author: Jordan Harband
+---*/
+
+var trueResult = Object.getOwnPropertyDescriptors(true);
+
+assert.sameValue(Object.keys(trueResult).length, 0, 'trueResult has 0 items');
+
+var falseResult = Object.getOwnPropertyDescriptors(false);
+
+assert.sameValue(Object.keys(falseResult).length, 0, 'falseResult has 0 items');

test/built-ins/Object/getOwnPropertyDescriptors/primitive-numbers.js

@@ -0,0 +1,15 @@
+// Copyright (C) 2016 Jordan Harband. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Object.getOwnPropertyDescriptors accepts number primitives.
+es7id: pending
+author: Jordan Harband
+---*/
+
+assert.sameValue(Object.keys(Object.getOwnPropertyDescriptors(0)).length, 0, '0 has zero descriptors');
+assert.sameValue(Object.keys(Object.getOwnPropertyDescriptors(-0)).length, 0, '-0 has zero descriptors');
+assert.sameValue(Object.keys(Object.getOwnPropertyDescriptors(Infinity)).length, 0, 'Infinity has zero descriptors');
+assert.sameValue(Object.keys(Object.getOwnPropertyDescriptors(-Infinity)).length, 0, '-Infinity has zero descriptors');
+assert.sameValue(Object.keys(Object.getOwnPropertyDescriptors(NaN)).length, 0, 'NaN has zero descriptors');
+assert.sameValue(Object.keys(Object.getOwnPropertyDescriptors(Math.PI)).length, 0, 'Math.PI has zero descriptors');

test/built-ins/Object/getOwnPropertyDescriptors/primitive-strings.js

@@ -0,0 +1,33 @@
+// Copyright (C) 2016 Jordan Harband. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Object.getOwnPropertyDescriptors accepts string primitives.
+es7id: pending
+author: Jordan Harband
+---*/
+
+var result = Object.getOwnPropertyDescriptors('abc');
+
+assert.sameValue(Object.keys(result).length, 4, 'string has 4 descriptors');
+
+assert.sameValue(result.length.configurable, false, 'length is not configurable');
+assert.sameValue(result.length.enumerable, false, 'length is not enumerable');
+assert.sameValue(result.length.writable, false, 'length is not writable');
+assert.sameValue(result.length.value, 3, 'length is 3');
+
+assert.sameValue(result[0].configurable, false, 'index 0 is not configurable');
+assert.sameValue(result[0].enumerable, true, 'index 0 is enumerable');
+assert.sameValue(result[0].writable, false, 'index 0 is not writable');
+assert.sameValue(result[0].value, 'a', 'index 0 is "a"');
+
+assert.sameValue(result[1].configurable, false, 'index 1 is not configurable');
+assert.sameValue(result[1].enumerable, true, 'index 1 is enumerable');
+assert.sameValue(result[1].writable, false, 'index 1 is not writable');
+assert.sameValue(result[1].value, 'b', 'index 1 is "b"');
+
+assert.sameValue(result[2].configurable, false, 'index 2 is not configurable');
+assert.sameValue(result[2].enumerable, true, 'index 2 is enumerable');
+assert.sameValue(result[2].writable, false, 'index 2 is not writable');
+assert.sameValue(result[2].value, 'c', 'index 2 is "c"');
+

test/built-ins/Object/getOwnPropertyDescriptors/primitive-symbols.js

@@ -0,0 +1,13 @@
+// Copyright (C) 2016 Jordan Harband. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Object.getOwnPropertyDescriptors accepts Symbol primitives.
+es7id: pending
+author: Jordan Harband
+features: [Symbol]
+---*/
+
+var result = Object.getOwnPropertyDescriptors(Symbol());
+
+assert.sameValue(Object.keys(result).length, 0, 'symbol primitive has no descriptors');

test/built-ins/Object/getOwnPropertyDescriptors/symbols-omitted.js

@@ -0,0 +1,37 @@
+// Copyright (C) 2016 Jordan Harband. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Object.getOwnPropertyDescriptors does not include Symbol keys.
+es7id: pending
+author: Jordan Harband
+features: [Symbol]
+---*/
+
+var value = {};
+var enumSym = Symbol('enum');
+var nonEnumSym = Symbol('nonenum');
+var symValue = Symbol('value');
+
+var obj = { key: symValue };
+obj[enumSym] = value;
+Object.defineProperty(obj, nonEnumSym, { enumerable: false, value: value });
+
+var result = Object.getOwnPropertyDescriptors(obj);
+
+assert.sameValue(Object.keys(result).length, 3, 'obj has 3 descriptors');
+
+assert.sameValue(result.key.configurable, true, 'result.key is configurable');
+assert.sameValue(result.key.enumerable, true, 'result.key is enumerable');
+assert.sameValue(result.key.writable, true, 'result.key is writable');
+assert.sameValue(result.key.value, symValue, 'result.key has value symValue');
+
+assert.sameValue(result[enumSym].configurable, true, 'result[enumSym] is configurable');
+assert.sameValue(result[enumSym].enumerable, true, 'result[enumSym] is enumerable');
+assert.sameValue(result[enumSym].writable, true, 'result[enumSym] is writable');
+assert.sameValue(result[enumSym].value, value, 'result[enumSym] has value `value`');
+
+assert.sameValue(result[nonEnumSym].configurable, true, 'result[nonEnumSym] is configurable');
+assert.sameValue(result[nonEnumSym].enumerable, false, 'result[nonEnumSym] is not enumerable');
+assert.sameValue(result[nonEnumSym].writable, true, 'result[nonEnumSym] is writable');
+assert.sameValue(result[nonEnumSym].value, value, 'result[nonEnumSym] has value `value`');

test/built-ins/Object/getOwnPropertyDescriptors/tamper-with-global-object.js

@@ -0,0 +1,21 @@
+// Copyright (C) 2016 Jordan Harband. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+    Object.getOwnPropertyDescriptors should not have its behavior impacted by modifications to the global property Object
+es7id: pending
+author: Jordan Harband
+---*/
+
+function fakeObject() {
+    $ERROR('The overriden version of Object was called!');
+}
+fakeObject.getOwnPropertyDescriptors = Object.getOwnPropertyDescriptors;
+fakeObject.keys = Object.keys;
+
+var global = Function('return this;')();
+global.Object = fakeObject;
+
+assert.sameValue(Object, fakeObject, 'Sanity check failed: could not modify the global Object');
+assert.sameValue(Object.keys(Object.getOwnPropertyDescriptors('a')).length, 2, 'Expected string primitive to have 2 descriptors');

test/built-ins/Object/getOwnPropertyDescriptors/tamper-with-object-keys.js

@@ -0,0 +1,22 @@
+// Copyright (C) 2016 Jordan Harband. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+    Object.getOwnPropertyDescriptors should not have its behavior impacted by modifications to Object.getOwnPropertyDescriptor
+es7id: pending
+author: Jordan Harband
+---*/
+
+function fakeObjectGetOwnPropertyDescriptor() {
+    $ERROR('The overriden version of Object.getOwnPropertyDescriptor was called!');
+}
+Object.getOwnPropertyDescriptor = fakeObjectGetOwnPropertyDescriptor;
+
+assert.sameValue(
+  Object.getOwnPropertyDescriptor,
+  fakeObjectGetOwnPropertyDescriptor,
+  'Sanity check failed: could not modify the global Object.getOwnPropertyDescriptor'
+);
+
+assert.sameValue(Object.keys(Object.getOwnPropertyDescriptors({ a: 1 })).length, 1, 'Expected object with 1 key to have 1 descriptor');