| // 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.reduce |
| description: > |
| Array.prototype.reduce applied to Array-like object, 'length' is |
| an own accessor property that overrides an inherited data property |
| ---*/ |
| |
| function callbackfn(prevVal, curVal, idx, obj) { |
| return (obj.length === 2); |
| } |
| |
| var proto = { |
| length: 3 |
| }; |
| |
| var Con = function() {}; |
| Con.prototype = proto; |
| |
| var child = new Con(); |
| |
| Object.defineProperty(child, "length", { |
| get: function() { |
| return 2; |
| }, |
| configurable: true |
| }); |
| |
| child[0] = 12; |
| child[1] = 11; |
| child[2] = 9; |
| |
| assert.sameValue(Array.prototype.reduce.call(child, callbackfn, 1), true, 'Array.prototype.reduce.call(child, callbackfn, 1)'); |