/// Copyright (c) 2012 Ecma International. All rights reserved. /// Ecma International makes this code available under the terms and conditions set /// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the /// "Use Terms"). Any redistribution of this code must retain the above /// copyright and this notice and otherwise comply with the Use Terms. /** * @path ch15/15.4/15.4.4/15.4.4.22/15.4.4.22-9-b-8.js * @description Array.prototype.reduceRight - deleting own property in step 8 causes deleted index property not to be visited on an Array-like object */ function testcase() { var accessed = false; var testResult = true; function callbackfn(preVal, val, idx, obj) { accessed = true; if (idx === 1) { testResult = false; } } var obj = { 0: 10, length: 10 }; Object.defineProperty(obj, "1", { get: function () { return 6.99; }, configurable: true }); Object.defineProperty(obj, "5", { get: function () { delete obj[1]; return 0; }, configurable: true }); Array.prototype.reduceRight.call(obj, callbackfn); return testResult && accessed; } runTestCase(testcase);