michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /*
michael@0:  *
michael@0:  * Date:    14 Jan 2002
michael@0:  * SUMMARY: Shouldn't crash on regexps with many nested parentheses
michael@0:  * See http://bugzilla.mozilla.org/show_bug.cgi?id=119909
michael@0:  *
michael@0:  */
michael@0: //-----------------------------------------------------------------------------
michael@0: var BUGNUMBER = 119909;
michael@0: var summary = "Shouldn't crash on regexps with many nested parentheses";
michael@0: var NO_BACKREFS = false;
michael@0: var DO_BACKREFS = true;
michael@0: 
michael@0: 
michael@0: //--------------------------------------------------
michael@0: test();
michael@0: //--------------------------------------------------
michael@0: 
michael@0: 
michael@0: function test()
michael@0: {
michael@0:   enterFunc('test');
michael@0:   printBugNumber(BUGNUMBER);
michael@0:   printStatus(summary);
michael@0: 
michael@0:   testThis(500, NO_BACKREFS, 'hello', 'goodbye');
michael@0:   testThis(500, DO_BACKREFS, 'hello', 'goodbye');
michael@0: 
michael@0:   reportCompare('No Crash', 'No Crash', '');
michael@0: 
michael@0:   exitFunc('test');
michael@0: }
michael@0: 
michael@0: 
michael@0: /*
michael@0:  * Creates a regexp pattern like (((((((((hello)))))))))
michael@0:  * and tests str.search(), str.match(), str.replace()
michael@0:  */
michael@0: function testThis(numParens, doBackRefs, strOriginal, strReplace)
michael@0: {
michael@0:   var openParen = doBackRefs? '(' : '(?:';
michael@0:   var closeParen = ')';
michael@0:   var pattern = '';
michael@0:  
michael@0:   for (var i=0; i<numParens; i++) {pattern += openParen;}
michael@0:   pattern += strOriginal;
michael@0:   for (i=0; i<numParens; i++) {pattern += closeParen;}
michael@0:   var re = new RegExp(pattern);
michael@0: 
michael@0:   var res = strOriginal.search(re);
michael@0:   res = strOriginal.match(re);
michael@0:   res = strOriginal.replace(re, strReplace);
michael@0: }