| // 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 applied to Array-like object, 'length' is |
| an own data property that overrides an inherited data property |
| ---*/ |
| |
| function callbackfn(val, idx, obj) { |
| return obj.length === 2; |
| } |
| |
| var proto = { |
| length: 3 |
| }; |
| |
| var Con = function() {}; |
| Con.prototype = proto; |
| |
| var child = new Con(); |
| child.length = 2; |
| child[0] = 12; |
| child[1] = 11; |
| child[2] = 9; |
| |
| var newArr = Array.prototype.filter.call(child, callbackfn); |
| |
| assert.sameValue(newArr.length, 2, 'newArr.length'); |
