michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /*
michael@0:  *
michael@0:  * Date:    21 January 2003
michael@0:  * SUMMARY: Invalid use of regexp quantifiers should generate SyntaxErrors
michael@0:  *
michael@0:  * See http://bugzilla.mozilla.org/show_bug.cgi?id=188206
michael@0:  * and http://bugzilla.mozilla.org/show_bug.cgi?id=85721#c48 etc.
michael@0:  * and http://bugzilla.mozilla.org/show_bug.cgi?id=190685
michael@0:  * and http://bugzilla.mozilla.org/show_bug.cgi?id=197451
michael@0:  */
michael@0: //-----------------------------------------------------------------------------
michael@0: var UBound = 0;
michael@0: var BUGNUMBER = 188206;
michael@0: var summary = 'Invalid use of regexp quantifiers should generate SyntaxErrors';
michael@0: var TEST_PASSED = 'SyntaxError';
michael@0: var TEST_FAILED = 'Generated an error, but NOT a SyntaxError!';
michael@0: var TEST_FAILED_BADLY = 'Did not generate ANY error!!!';
michael@0: var CHECK_PASSED = 'Should not generate an error';
michael@0: var CHECK_FAILED = 'Generated an error!';
michael@0: var status = '';
michael@0: var statusitems = [];
michael@0: var actual = '';
michael@0: var actualvalues = [];
michael@0: var expect= '';
michael@0: var expectedvalues = [];
michael@0: 
michael@0: 
michael@0: /*
michael@0:  * All the following are invalid uses of regexp quantifiers and
michael@0:  * should generate SyntaxErrors. That's what we're testing for.
michael@0:  *
michael@0:  * To allow the test to compile and run, we have to hide the errors
michael@0:  * inside eval strings, and check they are caught at run-time -
michael@0:  *
michael@0:  */
michael@0: status = inSection(1);
michael@0: testThis(' /a**/ ');
michael@0: 
michael@0: status = inSection(2);
michael@0: testThis(' /a***/ ');
michael@0: 
michael@0: status = inSection(3);
michael@0: testThis(' /a++/ ');
michael@0: 
michael@0: status = inSection(4);
michael@0: testThis(' /a+++/ ');
michael@0: 
michael@0: /*
michael@0:  * The ? quantifier, unlike * or +, may appear twice in succession.
michael@0:  * Thus we need at least three in a row to provoke a SyntaxError -
michael@0:  */
michael@0: 
michael@0: status = inSection(5);
michael@0: testThis(' /a???/ ');
michael@0: 
michael@0: status = inSection(6);
michael@0: testThis(' /a????/ ');
michael@0: 
michael@0: 
michael@0: /*
michael@0:  * Now do some weird things on the left side of the regexps -
michael@0:  */
michael@0: status = inSection(9);
michael@0: testThis(' /+a/ ');
michael@0: 
michael@0: status = inSection(10);
michael@0: testThis(' /++a/ ');
michael@0: 
michael@0: status = inSection(11);
michael@0: testThis(' /?a/ ');
michael@0: 
michael@0: status = inSection(12);
michael@0: testThis(' /??a/ ');
michael@0: 
michael@0: 
michael@0: /*
michael@0:  * Misusing the {DecmalDigits} quantifier - according to BOTH ECMA and Perl.
michael@0:  *
michael@0:  * Just as with the * and + quantifiers above, can't have two {DecmalDigits}
michael@0:  * quantifiers in succession - it's a SyntaxError.
michael@0:  */
michael@0: status = inSection(28);
michael@0: testThis(' /x{1}{1}/ ');
michael@0: 
michael@0: status = inSection(29);
michael@0: testThis(' /x{1,}{1}/ ');
michael@0: 
michael@0: status = inSection(30);
michael@0: testThis(' /x{1,2}{1}/ ');
michael@0: 
michael@0: status = inSection(31);
michael@0: testThis(' /x{1}{1,}/ ');
michael@0: 
michael@0: status = inSection(32);
michael@0: testThis(' /x{1,}{1,}/ ');
michael@0: 
michael@0: status = inSection(33);
michael@0: testThis(' /x{1,2}{1,}/ ');
michael@0: 
michael@0: status = inSection(34);
michael@0: testThis(' /x{1}{1,2}/ ');
michael@0: 
michael@0: status = inSection(35);
michael@0: testThis(' /x{1,}{1,2}/ ');
michael@0: 
michael@0: status = inSection(36);
michael@0: testThis(' /x{1,2}{1,2}/ ');
michael@0: 
michael@0: 
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: test();
michael@0: //-----------------------------------------------------------------------------
michael@0: 
michael@0: 
michael@0: 
michael@0: /*
michael@0:  * Invalid syntax should generate a SyntaxError
michael@0:  */
michael@0: function testThis(sInvalidSyntax)
michael@0: {
michael@0:   expect = TEST_PASSED;
michael@0:   actual = TEST_FAILED_BADLY;
michael@0: 
michael@0:   try
michael@0:   {
michael@0:     eval(sInvalidSyntax);
michael@0:   }
michael@0:   catch(e)
michael@0:   {
michael@0:     if (e instanceof SyntaxError)
michael@0:       actual = TEST_PASSED;
michael@0:     else
michael@0:       actual = TEST_FAILED;
michael@0:   }
michael@0: 
michael@0:   statusitems[UBound] = status;
michael@0:   expectedvalues[UBound] = expect;
michael@0:   actualvalues[UBound] = actual;
michael@0:   UBound++;
michael@0: }
michael@0: 
michael@0: 
michael@0: /*
michael@0:  * Allowed syntax shouldn't generate any errors
michael@0:  */
michael@0: function checkThis(sAllowedSyntax)
michael@0: {
michael@0:   expect = CHECK_PASSED;
michael@0:   actual = CHECK_PASSED;
michael@0: 
michael@0:   try
michael@0:   {
michael@0:     eval(sAllowedSyntax);
michael@0:   }
michael@0:   catch(e)
michael@0:   {
michael@0:     actual = CHECK_FAILED;
michael@0:   }
michael@0: 
michael@0:   statusitems[UBound] = status;
michael@0:   expectedvalues[UBound] = expect;
michael@0:   actualvalues[UBound] = actual;
michael@0:   UBound++;
michael@0: }
michael@0: 
michael@0: 
michael@0: function test()
michael@0: {
michael@0:   enterFunc('test');
michael@0:   printBugNumber(BUGNUMBER);
michael@0:   printStatus(summary);
michael@0: 
michael@0:   for (var i=0; i<UBound; i++)
michael@0:   {
michael@0:     reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
michael@0:   }
michael@0: 
michael@0:   exitFunc ('test');
michael@0: }