/// 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 ch13/13.2/13.2-17-1.js * @description Function Object has 'constructor' as its own property, it is not enumerable and does not invoke the setter defined on Function.prototype.constructor (Step 17) */ function testcase() { var desc = Object.getOwnPropertyDescriptor(Object.prototype, "constructor"); try { var getFunc = function () { return 100; }; var data = "data"; var setFunc = function (value) { data = value; }; Object.defineProperty(Object.prototype, "constructor", { get: getFunc, set: setFunc, configurable: true }); var fun = function () {}; var verifyValue = false; verifyValue = typeof fun.prototype.constructor === "function"; var verifyEnumerable = false; for (var p in fun.prototype) { if (p === "constructor" && fun.prototype.hasOwnProperty("constructor")) { verifyEnumerable = true; } } var verifyWritable = false; fun.prototype.constructor = 12; verifyWritable = (fun.prototype.constructor === 12); var verifyConfigurable = false; delete fun.prototype.constructor; verifyConfigurable = fun.hasOwnProperty("constructor"); return verifyValue && verifyWritable && !verifyEnumerable && !verifyConfigurable && data === "data"; } finally { Object.defineProperty(Object.prototype, "constructor", desc); } } runTestCase(testcase);