/// 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 ch12/12.6/12.6.4/12.6.4-2.js * @description The for-in Statement - the values of [[Enumerable]] attributes are not considered when determining if a property of a prototype object is shadowed by a previous object on the prototype chain */ function testcase() { var obj = {}; var proto = {}; Object.defineProperty(proto, "prop", { value: "inheritedValue", enumerable: false, configurable: true, writable: true }); var ConstructFun = function () { }; ConstructFun.prototype = proto; var child = new ConstructFun(); Object.defineProperty(child, "prop1", { value: "overridedValue1", enumerable: false }); Object.defineProperty(child, "prop2", { value: "overridedValue2", enumerable: true }); var accessedProp1 = false; var accessedProp2 = false; for (var p in child) { if (child.hasOwnProperty(p)) { if (p === "prop1") { accessedProp1 = true; } if (p === "prop2") { accessedProp2 = true; } } } return !accessedProp1 && accessedProp2 && child.prop1 === "overridedValue1" && child.prop2 === "overridedValue2"; } runTestCase(testcase);