15.2.3.10-2-1.js - mozsearch

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// Copyright (c) 2012 Ecma International.  All rights reserved.

// This code is governed by the BSD license found in the LICENSE file.

/*---

es5id: 15.2.3.10-2-1

description: >

    Object.preventExtensions - repeated calls to preventExtensions

    have no side effects

---*/

var obj = {};

var testResult1 = true;

var testResult2 = true;

var preCheck = Object.isExtensible(obj);

Object.preventExtensions(obj);

testResult1 = Object.isExtensible(obj);

Object.preventExtensions(obj);

testResult2 = Object.isExtensible(obj);

assert(preCheck, 'preCheck !== true');

assert.sameValue(testResult1, false, 'testResult1');

assert.sameValue(testResult2, false, 'testResult2');

reportCompare(0, 0);