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31 lines
1.2 KiB
JavaScript
31 lines
1.2 KiB
JavaScript
/// Copyright (c) 2012 Ecma International. All rights reserved.
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/// Ecma International makes this code available under the terms and conditions set
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/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
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/// "Use Terms"). Any redistribution of this code must retain the above
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/// copyright and this notice and otherwise comply with the Use Terms.
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/**
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* @path ch15/15.2/15.2.3/15.2.3.7/15.2.3.7-6-a-199.js
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* @description Object.defineProperties - 'O' is an Array, 'P' is an array index named property, 'P' property doesn't exist in 'O', test [[Configurable]] of 'P' property in 'Attributes' is set as false value if [[Configurable]] is absent in data descriptor 'desc' (15.4.5.1 step 4.c)
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*/
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function testcase() {
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var arr = [];
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var beforeDeleted = false;
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var afterDeleted = false;
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Object.defineProperties(arr, {
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"0": {
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value: 1001,
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writable: true,
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enumerable: true
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}
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});
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beforeDeleted = arr.hasOwnProperty("0");
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delete arr[0];
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afterDeleted = arr.hasOwnProperty("0");
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return beforeDeleted && afterDeleted && arr[0] === 1001;
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}
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runTestCase(testcase);
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