tests/mozilla/ecma_3/RegExp/regress-98306.js

   1 /*
   2 * The contents of this file are subject to the Netscape Public
   3 * License Version 1.1 (the "License"); you may not use this file
   4 * except in compliance with the License. You may obtain a copy of
   5 * the License at http://www.mozilla.org/NPL/
   6 *
   7 * Software distributed under the License is distributed on an "AS IS"
   8 * basis, WITHOUT WARRANTY OF ANY KIND, either expressed
   9 * or implied. See the License for the specific language governing
  10 * rights and limitations under the License.
  11 *
  12 * The Original Code is mozilla.org code.
  13 *
  14 * The Initial Developer of the Original Code is Netscape
  15 * Communications Corporation.  Portions created by Netscape are
  16 * Copyright (C) 1998 Netscape Communications Corporation.
  17 * All Rights Reserved.
  18 *
  19 * Contributor(s): jrgm@netscape.com, pschwartau@netscape.com
  20 * Date: 04 September 2001
  21 *
  22 * SUMMARY: Regression test for Bugzilla bug 98306
  23 * "JS parser crashes in ParseAtom for script using Regexp()"
  24 *
  25 * See http://bugzilla.mozilla.org/show_bug.cgi?id=98306
  26 */
  27 //-----------------------------------------------------------------------------
  28 var bug = 98306;
  29 var summary = "Testing that we don't crash on this code -";
  30 var cnUBOUND = 10;
  31 var re;
  32 var s;
  33
  34
  35 //-----------------------------------------------------------------------------
  36 test();
  37 //-----------------------------------------------------------------------------
  38
  39
  40 function test()
  41 {
  42   enterFunc ('test');
  43   printBugNumber (bug);
  44   printStatus (summary);
  45
  46   s = '"Hello".match(/[/]/)';
  47   tryThis(s);
  48
  49   s = 're = /[/';
  50   tryThis(s);
  51
  52   s = 're = /[/]/';
  53   tryThis(s);
  54
  55   s = 're = /[//]/';
  56   tryThis(s);
  57
  58   exitFunc ('test');
  59 }
  60
  61
  62 // Try to provoke a crash -
  63 function tryThis(sCode)
  64 {
  65   // sometimes more than one attempt is necessary -
  66   for (var i=0; i<cnUBOUND; i++)
  67   {
  68     try
  69     {
  70       eval(sCode);
  71     }
  72     catch(e)
  73     {
  74       // do nothing; keep going -
  75     }
  76   }
  77 }