mirror of https://github.com/tc39/test262.git
31 lines
953 B
JavaScript
31 lines
953 B
JavaScript
// Copyright (c) 2012 Ecma International. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es5id: 15.2.3.7-6-a-162
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description: >
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Object.defineProperties - 'O' is an Array, 'P' is the length
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property of 'O', the [[Value]] field of 'desc' is less than value
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of the length property, test the [[Writable]] attribute of the
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length property is set to true at last after deleting properties
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with large index named if the [[Writable]] field of 'desc' is true
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(15.4.5.1 step 3.h)
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includes: [runTestCase.js]
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---*/
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function testcase() {
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var arr = [0, 1];
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Object.defineProperties(arr, {
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length: {
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value: 1,
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writable: true
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}
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});
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arr.length = 10; //try to overwrite length value of arr
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return !arr.hasOwnProperty("1") && arr.length === 10 && arr[0] === 0;
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}
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runTestCase(testcase);
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