test/built-ins/Object/seal/15.2.3.8-4-2.js


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// 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: 15.2.3.8-4-2
description: Object.seal - 'O' is frozen already
includes: [runTestCase.js]
---*/

function testcase() {

        var obj = {};

        obj.foo = 10; // default value of attributes: writable: true, configurable: true, enumerable: true
        var preCheck = Object.isExtensible(obj);
        Object.freeze(obj);

        Object.seal(obj);
        return preCheck && Object.isSealed(obj);
    }
runTestCase(testcase);