// 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: 15.2.3.8-2-a-2 description: > Object.seal - 'P' is own data property that overrides an inherited data property includes: [runTestCase.js] ---*/ function testcase() { var proto = { foo: 0 }; var ConstructFun = function () { }; ConstructFun.prototype = proto; var child = new ConstructFun(); Object.defineProperty(child, "foo", { value: 10, configurable: true }); var preCheck = Object.isExtensible(child); Object.seal(child); delete child.foo; return preCheck && child.foo === 10; } runTestCase(testcase);