/* -*- tab-width: 2; 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: 26 November 2000
*
*
* SUMMARY: This test arose from Bugzilla bug 57631:
* "RegExp with invalid pattern or invalid flag causes segfault"
*
* Either error should throw an exception of type SyntaxError,
* and we check to see that it does...
*/
//-----------------------------------------------------------------------------
var BUGNUMBER =
'57631';
var summary =
'Testing new RegExp(pattern,flag) with illegal pattern or flag';
var statprefix =
'Testing for error creating illegal RegExp object on pattern ';
var statsuffix =
'and flag ';
var cnSUCCESS =
'SyntaxError';
var cnFAILURE =
'not a SyntaxError';
var singlequote =
"'";
var i = -1;
var j = -1;
var s =
'';
var f =
'';
var obj = {};
var status =
'';
var actual =
'';
var expect =
'';
var msg =
'';
var legalpatterns =
new Array();
var illegalpatterns =
new Array();
var legalflags =
new Array();
var illegalflags =
new Array();
// valid regular expressions to try -
legalpatterns[0] =
'';
legalpatterns[1] =
'abc';
legalpatterns[2] =
'(.*)(3-1)\s\w';
legalpatterns[3] =
'(.*)(...)\\s\\w';
legalpatterns[4] =
'[^A-Za-z0-9_]';
legalpatterns[5] =
'[^\f\n\r\t\v](123.5)([4 - 8]$)';
// invalid regular expressions to try -
illegalpatterns[0] =
'(?)';
illegalpatterns[1] =
'(a';
illegalpatterns[2] =
'( ]';
//illegalpatterns[3] = '\d{1,s}';
// valid flags to try -
legalflags[0] =
'i';
legalflags[1] =
'g';
legalflags[2] =
'm';
legalflags[3] = undefined;
// invalid flags to try -
illegalflags[0] =
'a';
illegalflags[1] = 123;
illegalflags[2] =
new RegExp();
//-------------------------------------------------------------------------------------------------
test();
//-------------------------------------------------------------------------------------------------
function test()
{
printBugNumber(BUGNUMBER);
printStatus (summary);
testIllegalRegExps(legalpatterns, illegalflags);
testIllegalRegExps(illegalpatterns, legalflags);
testIllegalRegExps(illegalpatterns, illegalflags);
}
// This function will only be called where all the patterns are illegal, or all the flags
function testIllegalRegExps(patterns, flags)
{
for (i in patterns)
{
s = patterns[i];
for (j in flags)
{
f = flags[j];
status = getStatus(s, f);
actual = cnFAILURE;
expect = cnSUCCESS;
try
{
// This should cause an exception if either s or f is illegal -
eval(
'obj = new RegExp(s, f);');
}
catch(e)
{
// We expect to get a SyntaxError - test for this:
if (e
instanceof SyntaxError)
actual = cnSUCCESS;
}
reportCompare(expect, actual, status);
}
}
}
function getStatus(regexp, flag)
{
return (statprefix + quote(regexp) + statsuffix + quote(flag));
}
function quote(text)
{
return (singlequote + text + singlequote);
}
