test262/test/built-ins/Object/preventExtensions/15.2.3.10-3-16.js

24 lines
814 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: 15.2.3.10-3-16
description: >
Object.preventExtensions - named properties cannot be added into a
Boolean object
includes: [runTestCase.js]
---*/
function testcase() {
var boolObj = new Boolean(true);
var preCheck = Object.isExtensible(boolObj);
Object.preventExtensions(boolObj);
boolObj.exName = 2;
return preCheck && !boolObj.hasOwnProperty("exName");
}
runTestCase(testcase);