// 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 changed by getter on current iterations is observed in subsequent iterations on an Array ---*/ var testResult = false; function callbackfn(prevVal, curVal, idx, obj) { if (idx === 1) { testResult = (curVal === 1); } } var arr = [, , 2]; var preIterVisible = false; Object.defineProperty(arr, "0", { get: function() { preIterVisible = true; return 0; }, configurable: true }); Object.defineProperty(arr, "1", { get: function() { if (preIterVisible) { return 1; } else { return 100; } }, configurable: true }); arr.reduce(callbackfn); assert(testResult, 'testResult !== true'); reportCompare(0, 0);