15.2.3.14-5-13.js (855B)
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: 15.2.3.14-5-13 6 description: > 7 Object.keys - own enumerable indexed data property of sparse array 8 'O' is defined in returned array 9 ---*/ 10 11 var obj = [1, , 3, , 5]; 12 13 Object.defineProperty(obj, 5, { 14 value: 7, 15 enumerable: false, 16 configurable: true 17 }); 18 19 Object.defineProperty(obj, 10000, { 20 value: "ElementWithLargeIndex", 21 enumerable: true, 22 configurable: true 23 }); 24 25 var arr = Object.keys(obj); 26 27 var index; 28 var initValue = 0; 29 for (index = 0; index < 3; index++) { 30 assert.sameValue(arr[index], initValue.toString(), 'Unexpected property at index: ' + index); 31 initValue += 2; 32 } 33 34 assert.sameValue(arr.length, 4, 'arr.length'); 35 assert.sameValue(arr[3], "10000", 'arr[3]'); 36 37 reportCompare(0, 0);