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280 lines
6.9 KiB
JavaScript
280 lines
6.9 KiB
JavaScript
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is JavaScript Engine testing utilities.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corp.
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* Portions created by the Initial Developer are Copyright (C) 2003
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* pschwartau@netscape.com
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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*
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* Date: 23 October 2003
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* SUMMARY: Unescaped, unbalanced parens in a regexp should cause SyntaxError.
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*
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* The same would also be true for unescaped, unbalanced brackets or braces
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* if we followed the ECMA-262 Ed. 3 spec on this. But it was decided for
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* backward compatibility reasons to follow Perl 5, which permits
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*
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* 1. an unescaped, unbalanced right bracket ]
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* 2. an unescaped, unbalanced left brace {
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* 3. an unescaped, unbalanced right brace }
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*
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* If any of these should occur, Perl treats each as a literal
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* character. Therefore we permit all three of these cases, even
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* though not ECMA-compliant. Note Perl errors on an unescaped,
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* unbalanced left bracket; so will we.
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*
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* See http://bugzilla.mozilla.org/show_bug.cgi?id=223273
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*
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*/
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//-----------------------------------------------------------------------------
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var gTestfile = 'regress-223273.js';
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var UBound = 0;
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var BUGNUMBER = 223273;
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var summary = 'Unescaped, unbalanced parens in regexp should be a SyntaxError';
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var TEST_PASSED = 'SyntaxError';
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var TEST_FAILED = 'Generated an error, but NOT a SyntaxError!';
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var TEST_FAILED_BADLY = 'Did not generate ANY error!!!';
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var CHECK_PASSED = 'Should not generate an error';
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var CHECK_FAILED = 'Generated an error!';
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var status = '';
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var statusitems = [];
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var actual = '';
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var actualvalues = [];
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var expect= '';
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var expectedvalues = [];
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/*
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* All the following contain unescaped, unbalanced parens and
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* should generate SyntaxErrors. That's what we're testing for.
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*
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* To allow the test to compile and run, we have to hide the errors
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* inside eval strings, and check they are caught at run-time.
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*
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* Inside such strings, remember to escape any escape character!
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*/
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status = inSection(1);
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testThis(' /(/ ');
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status = inSection(2);
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testThis(' /)/ ');
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status = inSection(3);
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testThis(' /(abc\\)def(g/ ');
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status = inSection(4);
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testThis(' /\\(abc)def)g/ ');
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/*
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* These regexp patterns are correct and should not generate
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* any errors. Note we use checkThis() instead of testThis().
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*/
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status = inSection(5);
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checkThis(' /\\(/ ');
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status = inSection(6);
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checkThis(' /\\)/ ');
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status = inSection(7);
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checkThis(' /(abc)def\\(g/ ');
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status = inSection(8);
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checkThis(' /(abc\\)def)g/ ');
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status = inSection(9);
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checkThis(' /(abc(\\))def)g/ ');
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status = inSection(10);
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checkThis(' /(abc([x\\)yz]+)def)g/ ');
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/*
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* Unescaped, unbalanced left brackets should be a SyntaxError
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*/
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status = inSection(11);
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testThis(' /[/ ');
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status = inSection(12);
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testThis(' /[abc\\]def[g/ ');
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/*
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* We permit unescaped, unbalanced right brackets, as does Perl.
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* No error should result, even though this is not ECMA-compliant.
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* Note we use checkThis() instead of testThis().
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*/
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status = inSection(13);
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checkThis(' /]/ ');
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status = inSection(14);
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checkThis(' /\\[abc]def]g/ ');
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/*
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* These regexp patterns are correct and should not generate
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* any errors. Note we use checkThis() instead of testThis().
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*/
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status = inSection(15);
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checkThis(' /\\[/ ');
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status = inSection(16);
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checkThis(' /\\]/ ');
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status = inSection(17);
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checkThis(' /[abc]def\\[g/ ');
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status = inSection(18);
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checkThis(' /[abc\\]def]g/ ');
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status = inSection(19);
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checkThis(' /(abc[\\]]def)g/ ');
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status = inSection(20);
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checkThis(' /[abc(x\\]yz+)def]g/ ');
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/*
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* Run some tests for unbalanced braces. We again follow Perl, and
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* thus permit unescaped unbalanced braces - both left and right,
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* even though this is not ECMA-compliant.
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*
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* Note we use checkThis() instead of testThis().
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*/
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status = inSection(21);
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checkThis(' /abc{def/ ');
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status = inSection(22);
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checkThis(' /abc}def/ ');
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status = inSection(23);
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checkThis(' /a{2}bc{def/ ');
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status = inSection(24);
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checkThis(' /a}b{3}c}def/ ');
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/*
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* These regexp patterns are correct and should not generate
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* any errors. Note we use checkThis() instead of testThis().
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*/
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status = inSection(25);
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checkThis(' /abc\\{def/ ');
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status = inSection(26);
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checkThis(' /abc\\}def/ ');
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status = inSection(27);
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checkThis(' /a{2}bc\\{def/ ');
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status = inSection(28);
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checkThis(' /a\\}b{3}c\\}def/ ');
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//-----------------------------------------------------------------------------
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test();
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//-----------------------------------------------------------------------------
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/*
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* Invalid syntax should generate a SyntaxError
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*/
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function testThis(sInvalidSyntax)
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{
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expect = TEST_PASSED;
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actual = TEST_FAILED_BADLY;
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try
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{
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eval(sInvalidSyntax);
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}
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catch(e)
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{
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if (e instanceof SyntaxError)
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actual = TEST_PASSED;
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else
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actual = TEST_FAILED;
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}
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statusitems[UBound] = status;
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expectedvalues[UBound] = expect;
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actualvalues[UBound] = actual;
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UBound++;
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}
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/*
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* Valid syntax shouldn't generate any errors
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*/
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function checkThis(sValidSyntax)
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{
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expect = CHECK_PASSED;
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actual = CHECK_PASSED;
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try
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{
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eval(sValidSyntax);
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}
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catch(e)
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{
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actual = CHECK_FAILED;
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}
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statusitems[UBound] = status;
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expectedvalues[UBound] = expect;
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actualvalues[UBound] = actual;
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UBound++;
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}
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function test()
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{
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enterFunc('test');
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printBugNumber(BUGNUMBER);
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printStatus(summary);
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for (var i=0; i<UBound; i++)
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{
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reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
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}
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exitFunc ('test');
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}
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