зеркало из https://github.com/mozilla/pjs.git
143 строки
4.5 KiB
JavaScript
143 строки
4.5 KiB
JavaScript
/* ***** 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 mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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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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* Date: 22 June 2001
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*
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* SUMMARY: Regression test for Bugzilla bug 87231:
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* "Regular expression /(A)?(A.*)/ picks 'A' twice"
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*
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* See http://bugzilla.mozilla.org/show_bug.cgi?id=87231
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* Key case:
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*
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* pattern = /^(A)?(A.*)$/;
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* string = 'A';
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* expectedmatch = Array('A', '', 'A');
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*
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*
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* We expect the 1st subexpression (A)? NOT to consume the single 'A'.
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* Recall that "?" means "match 0 or 1 times". Here, it should NOT do
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* greedy matching: it should match 0 times instead of 1. This allows
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* the 2nd subexpression to make the only match it can: the single 'A'.
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* Such "altruism" is the only way there can be a successful global match...
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*/
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//-------------------------------------------------------------------------------------------------
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var i = 0;
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var bug = 87231;
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var cnEmptyString = '';
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var summary = 'Testing regular expression /(A)?(A.*)/';
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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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pattern = /^(A)?(A.*)$/;
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status = inSection(1);
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string = 'AAA';
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actualmatch = string.match(pattern);
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expectedmatch = Array('AAA', 'A', 'AA');
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addThis();
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status = inSection(2);
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string = 'AA';
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actualmatch = string.match(pattern);
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expectedmatch = Array('AA', 'A', 'A');
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addThis();
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status = inSection(3);
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string = 'A';
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actualmatch = string.match(pattern);
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expectedmatch = Array('A', undefined, 'A'); // 'altruistic' case: see above
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addThis();
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pattern = /(A)?(A.*)/;
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var strL = 'zxcasd;fl\\\ ^';
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var strR = 'aaAAaaaf;lrlrzs';
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status = inSection(4);
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string = strL + 'AAA' + strR;
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actualmatch = string.match(pattern);
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expectedmatch = Array('AAA' + strR, 'A', 'AA' + strR);
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addThis();
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status = inSection(5);
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string = strL + 'AA' + strR;
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actualmatch = string.match(pattern);
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expectedmatch = Array('AA' + strR, 'A', 'A' + strR);
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addThis();
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status = inSection(6);
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string = strL + 'A' + strR;
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actualmatch = string.match(pattern);
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expectedmatch = Array('A' + strR, undefined, 'A' + strR); // 'altruistic' case: see above
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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 (bug);
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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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