| // 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 - element to be retrieved is own accessor |
| property that overrides an inherited data property on an |
| Array-like object |
| ---*/ |
| |
| var testResult = false; |
| |
| function callbackfn(prevVal, curVal, idx, obj) { |
| if (idx === 1) { |
| testResult = (prevVal === "9"); |
| } |
| } |
| |
| var proto = { |
| 0: 0, |
| 1: 1, |
| 2: 2 |
| }; |
| |
| var Con = function() {}; |
| Con.prototype = proto; |
| |
| var child = new Con(); |
| child.length = 3; |
| |
| Object.defineProperty(child, "0", { |
| get: function() { |
| return "9"; |
| }, |
| configurable: true |
| }); |
| |
| Array.prototype.reduce.call(child, callbackfn); |
| |
| assert(testResult, 'testResult !== true'); |
