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/* -*- 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: 21 January 2003
* SUMMARY: Invalid use of regexp quantifiers should generate SyntaxErrors
*
* See http://bugzilla.mozilla.org/show_bug.cgi?id=188206
* and http://bugzilla.mozilla.org/show_bug.cgi?id=85721#c48 etc.
* and http://bugzilla.mozilla.org/show_bug.cgi?id=190685
* and http://bugzilla.mozilla.org/show_bug.cgi?id=197451
*/
//-----------------------------------------------------------------------------
var UBound = 0;
var BUGNUMBER = 188206;
var summary = 'Invalid use of regexp quantifiers should generate SyntaxErrors';
var TEST_PASSED = 'SyntaxError';
var TEST_FAILED = 'Generated an error, but NOT a SyntaxError!';
var TEST_FAILED_BADLY = 'Did not generate ANY error!!!';
var CHECK_PASSED = 'Should not generate an error';
var CHECK_FAILED = 'Generated an error!';
var status = '';
var statusitems = [];
var actual = '';
var actualvalues = [];
var expect= '';
var expectedvalues = [];
/*
* All the following are invalid uses of regexp quantifiers and
* should generate SyntaxErrors. That's what we're testing for.
*
* To allow the test to compile and run, we have to hide the errors
* inside eval strings, and check they are caught at run-time -
*
*/
status = inSection(1);
testThis(' /a**/ ');
status = inSection(2);
testThis(' /a***/ ');
status = inSection(3);
testThis(' /a++/ ');
status = inSection(4);
testThis(' /a+++/ ');
/*
* The ? quantifier, unlike * or +, may appear twice in succession.
* Thus we need at least three in a row to provoke a SyntaxError -
*/
status = inSection(5);
testThis(' /a???/ ');
status = inSection(6);
testThis(' /a????/ ');
/*
* Now do some weird things on the left side of the regexps -
*/
status = inSection(9);
testThis(' /+a/ ');
status = inSection(10);
testThis(' /++a/ ');
status = inSection(11);
testThis(' /?a/ ');
status = inSection(12);
testThis(' /??a/ ');
/*
* Misusing the {DecmalDigits} quantifier - according to BOTH ECMA and Perl.
*
* Just as with the * and + quantifiers above, can't have two {DecmalDigits}
* quantifiers in succession - it's a SyntaxError.
*/
status = inSection(28);
testThis(' /x{1}{1}/ ');
status = inSection(29);
testThis(' /x{1,}{1}/ ');
status = inSection(30);
testThis(' /x{1,2}{1}/ ');
status = inSection(31);
testThis(' /x{1}{1,}/ ');
status = inSection(32);
testThis(' /x{1,}{1,}/ ');
status = inSection(33);
testThis(' /x{1,2}{1,}/ ');
status = inSection(34);
testThis(' /x{1}{1,2}/ ');
status = inSection(35);
testThis(' /x{1,}{1,2}/ ');
status = inSection(36);
testThis(' /x{1,2}{1,2}/ ');
//-----------------------------------------------------------------------------
test();
//-----------------------------------------------------------------------------
/*
* Invalid syntax should generate a SyntaxError
*/
function testThis(sInvalidSyntax)
{
expect = TEST_PASSED;
actual = TEST_FAILED_BADLY;
try
{
eval(sInvalidSyntax);
}
catch(e)
{
if (e instanceof SyntaxError)
actual = TEST_PASSED;
else
actual = TEST_FAILED;
}
statusitems[UBound] = status;
expectedvalues[UBound] = expect;
actualvalues[UBound] = actual;
UBound++;
}
/*
* Allowed syntax shouldn't generate any errors
*/
function checkThis(sAllowedSyntax)
{
expect = CHECK_PASSED;
actual = CHECK_PASSED;
try
{
eval(sAllowedSyntax);
}
catch(e)
{
actual = CHECK_FAILED;
}
statusitems[UBound] = status;
expectedvalues[UBound] = expect;
actualvalues[UBound] = actual;
UBound++;
}
function test()
{
printBugNumber(BUGNUMBER);
printStatus(summary);
for (var i=0; i<UBound; i++)
{
reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
}
}
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