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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');
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