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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: 15.2.3.10-3-18
description: >
Object.preventExtensions - named properties cannot be added into a
Date object
includes: [propertyHelper.js]
---*/
var obj = new Date();
assert(Object.isExtensible(obj));
Object.preventExtensions(obj);
assert(!Object.isExtensible(obj));
verifyNotWritable(obj, "exName", "nocheck");
assert(!obj.hasOwnProperty("exName"));
reportCompare(0, 0);
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