test262/test/built-ins/Object/preventExtensions/15.2.3.10-3-18.js

24 lines
804 B
JavaScript

// 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: 15.2.3.10-3-18
description: >
Object.preventExtensions - named properties cannot be added into a
Date object
includes: [runTestCase.js]
---*/
function testcase() {
var dateObj = new Date();
var preCheck = Object.isExtensible(dateObj);
Object.preventExtensions(dateObj);
dateObj.exName = 2;
return preCheck && !dateObj.hasOwnProperty("exName");
}
runTestCase(testcase);