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82 lines
2.7 KiB
JavaScript
82 lines
2.7 KiB
JavaScript
/* -*- Mode: java; tab-width:8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is JavaScript Engine testing utilities.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s): Igor Bukanov
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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gTestfile = 'regress-352846-01.js';
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var BUGNUMBER = 352846;
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var summary = 'Passing unrooted value to OBJ_DEFAULT_VALUE is GC hazard';
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var actual = 'No Crash';
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var expect = 'No Crash';
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printBugNumber(BUGNUMBER);
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START(summary);
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function prepare_xml()
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{
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delete XML.prototype.function::toString;
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Object.prototype.toString getter = toSource_getter;
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return new XML("<a>xml_text</a>");
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}
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var counter = 0;
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function toSource_getter()
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{
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// Make sure that lastInternalResult does not contain prepare_xml
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var tmp = { toSource: function() { return [1,2,3]; } };
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uneval(tmp);
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if (counter++ < 2) return undefined;
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// run GC onr overwrite the heap
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if (typeof gc == "function") gc();
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var x = 1e-100;
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for (var i = 0; i != 50000; ++i)
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var x2 = x / 4;
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// Return a function that would access this in non-trivial way to
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// check if prepare_xml() was rooted.
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return function() { return this.toXMLString(); };
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}
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uneval({ toSource: prepare_xml });
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TEST(1, expect, actual);
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END();
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