// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 15.2.3.7-6-a-161 description: > Object.defineProperties - 'O' is an Array, 'P' is the length property of 'O', the [[Value]] field of 'desc' is less than value of the length property, test the [[Writable]] attribute of the length property is set to true at last after deleting properties with large index named if the [[Writable]] field of 'desc' is absent (15.4.5.1 step 3.h) includes: [runTestCase.js] ---*/ function testcase() { var arr = [0, 1]; Object.defineProperties(arr, { length: { value: 1 } }); arr.length = 10; //try to overwrite length value of arr return !arr.hasOwnProperty("1") && arr.length === 10 && arr[0] === 0; } runTestCase(testcase);