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219 lines
6.5 KiB
JavaScript
219 lines
6.5 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) 2002
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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: 31 July 2002
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* SUMMARY: Testing regexps containing octal escape sequences
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* This is an elaboration of mozilla/js/tests/ecma_2/RegExp/octal-003.js
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*
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* See http://bugzilla.mozilla.org/show_bug.cgi?id=141078
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* for a reference on octal escape sequences in regexps.
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*
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* NOTE:
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* We will use the identities '\011' === '\u0009' === '\x09' === '\t'
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*
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* The first is an octal escape sequence (\(0-3)OO; O an octal digit).
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* See ECMA-262 Edition 2, Section 7.7.4 "String Literals". These were
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* dropped in Edition 3 but we support them for backward compatibility.
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*
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* The second is a Unicode escape sequence (\uHHHH; H a hex digit).
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* Since octal 11 = hex 9, the two escapes define the same character.
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*
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* The third is a hex escape sequence (\xHH; H a hex digit).
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* Since hex 09 = hex 0009, this defines the same character.
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*
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* The fourth is the familiar escape sequence for a horizontal tab,
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* defined in the ECMA spec as having Unicode value \u0009.
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*/
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//-----------------------------------------------------------------------------
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var gTestfile = 'octal-002.js';
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var i = 0;
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var BUGNUMBER = 141078;
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var summary = 'Testing regexps containing octal escape sequences';
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var status = '';
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var statusmessages = new Array();
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var pattern = '';
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var patterns = new Array();
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var string = '';
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var strings = new Array();
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var actualmatch = '';
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var actualmatches = new Array();
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var expectedmatch = '';
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var expectedmatches = new Array();
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/*
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* Test a string containing the null character '\0' followed by the string '11'
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*
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* 'a' + String.fromCharCode(0) + '11';
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*
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* Note we can't simply write 'a\011', because '\011' would be interpreted
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* as the octal escape sequence for the tab character (see above).
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*
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* We should get no match from the regexp /.\011/, because it should be
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* looking for the octal escape sequence \011, i.e. the tab character -
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*
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*/
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status = inSection(1);
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pattern = /.\011/;
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string = 'a' + String.fromCharCode(0) + '11';
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actualmatch = string.match(pattern);
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expectedmatch = null;
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addThis();
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/*
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* Try same thing with 'xx' in place of '11'.
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*
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* Should get a match now, because the octal escape sequence in the regexp
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* has been reduced from \011 to \0, and '\0' is present in the string -
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*/
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status = inSection(2);
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pattern = /.\0xx/;
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string = 'a' + String.fromCharCode(0) + 'xx';
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actualmatch = string.match(pattern);
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expectedmatch = Array(string);
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addThis();
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/*
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* Same thing; don't use |String.fromCharCode(0)| this time.
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* There is no ambiguity in '\0xx': it is the null character
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* followed by two x's, no other interpretation is possible.
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*/
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status = inSection(3);
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pattern = /.\0xx/;
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string = 'a\0xx';
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actualmatch = string.match(pattern);
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expectedmatch = Array(string);
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addThis();
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/*
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* This one should produce a match. The two-character string
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* 'a' + '\011' is duplicated in the pattern and test string:
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*/
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status = inSection(4);
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pattern = /.\011/;
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string = 'a\011';
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actualmatch = string.match(pattern);
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expectedmatch = Array(string);
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addThis();
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/*
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* Same as above, only now, for the second character of the string,
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* use the Unicode escape '\u0009' instead of the octal escape '\011'
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*/
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status = inSection(5);
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pattern = /.\011/;
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string = 'a\u0009';
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actualmatch = string.match(pattern);
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expectedmatch = Array(string);
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addThis();
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/*
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* Same as above, only now for the second character of the string,
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* use the hex escape '\x09' instead of the octal escape '\011'
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*/
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status = inSection(6);
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pattern = /.\011/;
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string = 'a\x09';
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actualmatch = string.match(pattern);
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expectedmatch = Array(string);
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addThis();
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/*
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* Same as above, only now for the second character of the string,
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* use the escape '\t' instead of the octal escape '\011'
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*/
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status = inSection(7);
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pattern = /.\011/;
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string = 'a\t';
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actualmatch = string.match(pattern);
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expectedmatch = Array(string);
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addThis();
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/*
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* Return to the string from Section 1.
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*
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* Unlike Section 1, use the RegExp() function to create the
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* regexp pattern: null character followed by the string '11'.
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*
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* Since this is exactly what the string is, we should get a match -
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*/
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status = inSection(8);
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string = 'a' + String.fromCharCode(0) + '11';
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pattern = RegExp(string);
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actualmatch = string.match(pattern);
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expectedmatch = Array(string);
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addThis();
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//-------------------------------------------------------------------------------------------------
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test();
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//-------------------------------------------------------------------------------------------------
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function addThis()
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{
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statusmessages[i] = status;
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patterns[i] = pattern;
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strings[i] = string;
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actualmatches[i] = actualmatch;
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expectedmatches[i] = expectedmatch;
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i++;
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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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testRegExp(statusmessages, patterns, strings, actualmatches, expectedmatches);
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exitFunc ('test');
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}
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