| // Copyright (c) 2012 Ecma International. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-array.prototype.filter |
| es5id: 15.4.4.20-9-b-9 |
| description: > |
| Array.prototype.filter - deleting own property causes index |
| property not to be visited on an Array |
| ---*/ |
| |
| function callbackfn(val, idx, obj) { |
| return true; |
| } |
| var arr = [1, 2]; |
| |
| Object.defineProperty(arr, "1", { |
| get: function () { |
| return "6.99"; |
| }, |
| configurable: true |
| }); |
| |
| Object.defineProperty(arr, "0", { |
| get: function () { |
| delete arr[1]; |
| return 0; |
| }, |
| configurable: true |
| }); |
| |
| var newArr = arr.filter(callbackfn); |
| |
| assert.sameValue(newArr.length, 1, 'newArr.length'); |
| assert.sameValue(newArr[0], 0, 'newArr[0]'); |