| // 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 accessor property on an |
| Array-like object |
| ---*/ |
| |
| function callbackfn(val, idx, obj) { |
| return idx === 0 && val === 11; |
| } |
| |
| var proto = {}; |
| |
| Object.defineProperty(proto, "0", { |
| get: function() { |
| return 5; |
| }, |
| configurable: true |
| }); |
| |
| var Con = function() {}; |
| Con.prototype = proto; |
| |
| var child = new Con(); |
| child.length = 2; |
| Object.defineProperty(child, "0", { |
| value: 11, |
| configurable: true |
| }); |
| child[1] = 12; |
| |
| var newArr = Array.prototype.filter.call(child, callbackfn); |
| |
| assert.sameValue(newArr.length, 1, 'newArr.length'); |
| assert.sameValue(newArr[0], 11, 'newArr[0]'); |