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120 lines
3.4 KiB
JavaScript
120 lines
3.4 KiB
JavaScript
/* ***** 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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* Netscape Communications Corp.
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* Portions created by the Initial Developer are Copyright (C) 2003
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* igor@icesoft.com, pschwartau@netscape.com
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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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*
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*
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* Date: 08 February 2003
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* SUMMARY: Parser recursion should check stack overflow
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*
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* See http://bugzilla.mozilla.org/show_bug.cgi?id=192414
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*
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*/
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//-----------------------------------------------------------------------------
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var UBound = 0;
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var bug = 192414;
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var summary = 'Parser recursion should check stack overflow';
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var status = '';
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var statusitems = [];
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var actual = '';
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var actualvalues = [];
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var expect= '';
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var expectedvalues = [];
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/*
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* We will form an eval string to set the result-variable |actual|.
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* To get a feel for this, suppose N were 3. Then the eval string is
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* 'actual = (1&(1&(1&1)));' The expected value after eval() is 1.
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*/
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status = inSection(1);
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var N = 10000;
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var left = repeat_str('(1&', N);
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var right = repeat_str(')', N);
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var str = 'actual = '.concat(left, '1', right, ';');
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try
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{
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eval(str);
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}
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catch (e)
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{
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/*
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* An exception during this eval is OK, as the runtime can throw one
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* in response to too deep recursion. We haven't crashed; good!
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*/
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actual = 1;
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}
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expect = 1;
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addThis();
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//-----------------------------------------------------------------------------
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test();
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//-----------------------------------------------------------------------------
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function repeat_str(str, repeat_count)
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{
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var arr = new Array(--repeat_count);
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while (repeat_count != 0)
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arr[--repeat_count] = str;
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return str.concat.apply(str, arr);
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}
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function addThis()
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{
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statusitems[UBound] = status;
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actualvalues[UBound] = actual;
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expectedvalues[UBound] = expect;
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UBound++;
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}
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function test()
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{
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enterFunc('test');
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printBugNumber(bug);
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printStatus(summary);
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for (var i=0; i<UBound; i++)
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{
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reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
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}
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exitFunc ('test');
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}
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