15.2.3.10-3-20.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: 15.2.3.10-3-20

description: >

    Object.preventExtensions - named properties cannot be added into

    an Error object

includes: [propertyHelper.js]

---*/

var obj = new Error();

assert(Object.isExtensible(obj));

Object.preventExtensions(obj);

assert(!Object.isExtensible(obj));

verifyNotWritable(obj, "exName", "nocheck");

assert(!obj.hasOwnProperty("exName"));

reportCompare(0, 0);