/// 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 ch15/15.4/15.4.4/15.4.4.16/15.4.4.16-3-19.js * @description Array.prototype.every - value of 'length' is an Object which has an own toString method */ function testcase() { function callbackfn1(val, idx, obj) { return val > 10; } function callbackfn2(val, idx, obj) { return val > 11; } var toStringAccessed = false; var obj = { 0: 12, 1: 11, 2: 9, length: { toString: function () { toStringAccessed = true; return '2'; } } }; // objects inherit the default valueOf() method from Object // that simply returns itself. Since the default valueOf() method // does not return a primitive value, ES next tries to convert the object // to a number by calling its toString() method and converting the // resulting string to a number. return Array.prototype.every.call(obj, callbackfn1) && !Array.prototype.every.call(obj, callbackfn2) && toStringAccessed; } runTestCase(testcase);