/* ***** BEGIN LICENSE BLOCK ***** * Version: NPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Netscape Public License * Version 1.1 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://www.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is JavaScript Engine testing utilities. * * The Initial Developer of the Original Code is Netscape Communications Corp. * Portions created by the Initial Developer are Copyright (C) 2003 * the Initial Developer. All Rights Reserved. * * Contributor(s): scole@planetweb.com, pschwartau@netscape.com * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the NPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the NPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** * * * 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 bug = 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(7); testThis(' /*a/ '); status = inSection(8); testThis(' /**a/ '); 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 ECMA, * but not according to Perl. * * ECMA-262 Edition 3 prohibits the use of unescaped braces in * regexp patterns, unless they form part of a quantifier. * * Hovever, Perl does not prohibit this. If not used as part * of a quantifer, Perl treats braces literally. * * We decided to follow Perl on this for backward compatibility. * See http://bugzilla.mozilla.org/show_bug.cgi?id=190685. * * Therefore NONE of the following ECMA violations should generate * a SyntaxError. Note we use checkThis() instead of testThis(). */ status = inSection(13); checkThis(' /a*{/ '); status = inSection(14); checkThis(' /a{}/ '); status = inSection(15); checkThis(' /{a/ '); status = inSection(16); checkThis(' /}a/ '); status = inSection(17); checkThis(' /x{abc}/ '); status = inSection(18); checkThis(' /{{0}/ '); status = inSection(19); checkThis(' /{{1}/ '); status = inSection(20); checkThis(' /x{{0}/ '); status = inSection(21); checkThis(' /x{{1}/ '); status = inSection(22); checkThis(' /x{{0}}/ '); status = inSection(23); checkThis(' /x{{1}}/ '); status = inSection(24); checkThis(' /x{{0}}/ '); status = inSection(25); checkThis(' /x{{1}}/ '); status = inSection(26); checkThis(' /x{{0}}/ '); status = inSection(27); checkThis(' /x{{1}}/ '); /* * 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() { enterFunc('test'); printBugNumber(bug); printStatus(summary); for (var i=0; i<UBound; i++) { reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]); } exitFunc ('test'); }