/// 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 ch13/13.2/13.2-18-1.js * @description Function Object has 'prototype' as its own property, it is not enumerable and does not invoke the setter defined on Function.prototype (Step 18) */ function testcase() { try { var getFunc = function () { return 100; }; var data = "data"; var setFunc = function (value) { data = value; }; Object.defineProperty(Function.prototype, "prototype", { get: getFunc, set: setFunc, configurable: true }); var fun = function () { }; var verifyValue = false; verifyValue = (fun.prototype !== 100 && fun.prototype.toString() === "[object Object]"); var verifyEnumerable = false; for (var p in fun) { if (p === "prototype" && fun.hasOwnProperty("prototype")) { verifyEnumerable = true; } } var verifyConfigurable = false; delete fun.prototype; verifyConfigurable = fun.hasOwnProperty("prototype"); var verifyWritable = false; fun.prototype = 12 verifyWritable = (fun.prototype === 12); return verifyValue && verifyWritable && !verifyEnumerable && verifyConfigurable && data === "data"; } finally { delete Function.prototype.prototype; } } runTestCase(testcase);