1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
*
* Date: 14 Jan 2002
* SUMMARY: Shouldn't crash on regexps with many nested parentheses
* See http://bugzilla.mozilla.org/show_bug.cgi?id=119909
*
*/
//-----------------------------------------------------------------------------
var BUGNUMBER = 119909;
var summary = "Shouldn't crash on regexps with many nested parentheses";
var NO_BACKREFS = false;
var DO_BACKREFS = true;
//--------------------------------------------------
test();
//--------------------------------------------------
function test()
{
printBugNumber(BUGNUMBER);
printStatus(summary);
testThis(500, NO_BACKREFS, 'hello', 'goodbye');
testThis(500, DO_BACKREFS, 'hello', 'goodbye');
reportCompare('No Crash', 'No Crash', '');
}
/*
* Creates a regexp pattern like (((((((((hello)))))))))
* and tests str.search(), str.match(), str.replace()
*/
function testThis(numParens, doBackRefs, strOriginal, strReplace)
{
var openParen = doBackRefs? '(' : '(?:';
var closeParen = ')';
var pattern = '';
for (var i=0; i<numParens; i++) {pattern += openParen;}
pattern += strOriginal;
for (i=0; i<numParens; i++) {pattern += closeParen;}
var re = new RegExp(pattern);
var res = strOriginal.search(re);
res = strOriginal.match(re);
res = strOriginal.replace(re, strReplace);
}
|