| // 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 |
| description: > |
| Array.prototype.filter - element to be retrieved is own data |
| property that overrides an inherited data property on an Array |
| ---*/ |
| |
| function callbackfn(val, idx, obj) { |
| return (idx === 0) && (val === 12); |
| } |
| |
| Array.prototype[0] = 11; |
| var newArr = [12].filter(callbackfn); |
| |
| assert.sameValue(newArr.length, 1, 'newArr.length'); |
| assert.sameValue(newArr[0], 12, 'newArr[0]'); |