/// 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 ch15/15.4/15.4.4/15.4.4.14/15.4.4.14-9-b-i-20.js * @description Array.prototype.indexOf - element to be retrieved is own accessor property without a get function that overrides an inherited accessor property on an Array-like object */ function testcase() { var proto = {}; Object.defineProperty(proto, "0", { get: function () { return 2; }, configurable: true }); var Con = function () { }; Con.prototype = proto; var child = new Con(); child.length = 1; Object.defineProperty(child, "0", { set: function () { }, configurable: true }); return Array.prototype.indexOf.call(child, undefined) === 0; } runTestCase(testcase);