js/src/tests/ecma_3/RegExp/regress-119909.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/ecma_3/RegExp/regress-119909.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,58 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +/*
    1.10 + *
    1.11 + * Date:    14 Jan 2002
    1.12 + * SUMMARY: Shouldn't crash on regexps with many nested parentheses
    1.13 + * See http://bugzilla.mozilla.org/show_bug.cgi?id=119909
    1.14 + *
    1.15 + */
    1.16 +//-----------------------------------------------------------------------------
    1.17 +var BUGNUMBER = 119909;
    1.18 +var summary = "Shouldn't crash on regexps with many nested parentheses";
    1.19 +var NO_BACKREFS = false;
    1.20 +var DO_BACKREFS = true;
    1.21 +
    1.22 +
    1.23 +//--------------------------------------------------
    1.24 +test();
    1.25 +//--------------------------------------------------
    1.26 +
    1.27 +
    1.28 +function test()
    1.29 +{
    1.30 +  enterFunc('test');
    1.31 +  printBugNumber(BUGNUMBER);
    1.32 +  printStatus(summary);
    1.33 +
    1.34 +  testThis(500, NO_BACKREFS, 'hello', 'goodbye');
    1.35 +  testThis(500, DO_BACKREFS, 'hello', 'goodbye');
    1.36 +
    1.37 +  reportCompare('No Crash', 'No Crash', '');
    1.38 +
    1.39 +  exitFunc('test');
    1.40 +}
    1.41 +
    1.42 +
    1.43 +/*
    1.44 + * Creates a regexp pattern like (((((((((hello)))))))))
    1.45 + * and tests str.search(), str.match(), str.replace()
    1.46 + */
    1.47 +function testThis(numParens, doBackRefs, strOriginal, strReplace)
    1.48 +{
    1.49 +  var openParen = doBackRefs? '(' : '(?:';
    1.50 +  var closeParen = ')';
    1.51 +  var pattern = '';
    1.52 + 
    1.53 +  for (var i=0; i<numParens; i++) {pattern += openParen;}
    1.54 +  pattern += strOriginal;
    1.55 +  for (i=0; i<numParens; i++) {pattern += closeParen;}
    1.56 +  var re = new RegExp(pattern);
    1.57 +
    1.58 +  var res = strOriginal.search(re);
    1.59 +  res = strOriginal.match(re);
    1.60 +  res = strOriginal.replace(re, strReplace);
    1.61 +}

mercurial