// 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. /*--- es5id: 15.2.3.9-2-a-2 description: > Object.freeze - 'P' is own data property that overrides an inherited data property includes: [runTestCase.js] ---*/ function testcase() { var proto = { foo: 0 }; // default [[Configurable]] attribute value of foo: true var Con = function () { }; Con.prototype = proto; var child = new Con(); child.foo = 10; // default [[Configurable]] attribute value of foo: true Object.freeze(child); var desc = Object.getOwnPropertyDescriptor(child, "foo"); delete child.foo; return child.foo === 10 && desc.configurable === false && desc.writable === false; } runTestCase(testcase);