// 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 - deleting own property with prototype property in step 8 causes prototype index property to be visited on an Array ---*/ var testResult = false; function callbackfn(accum, val, idx, obj) { if (idx === 1 && val === 1) { testResult = true; } } var arr = [0, 111]; Object.defineProperty(arr, "0", { get: function() { delete arr[1]; return 0; }, configurable: true }); Array.prototype[1] = 1; arr.reduce(callbackfn); assert(testResult, 'testResult !== true'); reportCompare(0, 0);