15.2.3.7-6-a-156.js (765B)
1 // Copyright (c) 2012 Ecma International. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 es5id: 15.2.3.7-6-a-156 6 description: > 7 Object.defineProperties - 'O' is an Array, 'P' is the length 8 property of 'O', test the [[Value]] field of 'desc' which equals 9 to value of the length property is defined into 'O' without 10 deleting any property with large index named (15.4.5.1 step 3.f) 11 ---*/ 12 13 var arr = [0, , 2]; 14 15 Object.defineProperties(arr, { 16 length: { 17 value: 3 18 } 19 }); 20 21 assert.sameValue(arr.length, 3, 'arr.length'); 22 assert.sameValue(arr[0], 0, 'arr[0]'); 23 assert.sameValue(arr.hasOwnProperty("1"), false, 'arr.hasOwnProperty("1")'); 24 assert.sameValue(arr[2], 2, 'arr[2]'); 25 26 reportCompare(0, 0);