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Diffstat (limited to 'tests/auto/qml/parserstress/tests/ecma_3/RegExp/regress-87231.js')
-rw-r--r-- | tests/auto/qml/parserstress/tests/ecma_3/RegExp/regress-87231.js | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/tests/auto/qml/parserstress/tests/ecma_3/RegExp/regress-87231.js b/tests/auto/qml/parserstress/tests/ecma_3/RegExp/regress-87231.js new file mode 100644 index 0000000000..b5467322eb --- /dev/null +++ b/tests/auto/qml/parserstress/tests/ecma_3/RegExp/regress-87231.js @@ -0,0 +1,145 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla 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/MPL/ + * + * 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 mozilla.org code. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * 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 MPL, 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 MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +/* + * Date: 22 June 2001 + * + * SUMMARY: Regression test for Bugzilla bug 87231: + * "Regular expression /(A)?(A.*)/ picks 'A' twice" + * + * See http://bugzilla.mozilla.org/show_bug.cgi?id=87231 + * Key case: + * + * pattern = /^(A)?(A.*)$/; + * string = 'A'; + * expectedmatch = Array('A', '', 'A'); + * + * + * We expect the 1st subexpression (A)? NOT to consume the single 'A'. + * Recall that "?" means "match 0 or 1 times". Here, it should NOT do + * greedy matching: it should match 0 times instead of 1. This allows + * the 2nd subexpression to make the only match it can: the single 'A'. + * Such "altruism" is the only way there can be a successful global match... + */ +//----------------------------------------------------------------------------- +var gTestfile = 'regress-87231.js'; +var i = 0; +var BUGNUMBER = 87231; +var cnEmptyString = ''; +var summary = 'Testing regular expression /(A)?(A.*)/'; +var status = ''; +var statusmessages = new Array(); +var pattern = ''; +var patterns = new Array(); +var string = ''; +var strings = new Array(); +var actualmatch = ''; +var actualmatches = new Array(); +var expectedmatch = ''; +var expectedmatches = new Array(); + + +pattern = /^(A)?(A.*)$/; +status = inSection(1); +string = 'AAA'; +actualmatch = string.match(pattern); +expectedmatch = Array('AAA', 'A', 'AA'); +addThis(); + +status = inSection(2); +string = 'AA'; +actualmatch = string.match(pattern); +expectedmatch = Array('AA', 'A', 'A'); +addThis(); + +status = inSection(3); +string = 'A'; +actualmatch = string.match(pattern); +expectedmatch = Array('A', undefined, 'A'); // 'altruistic' case: see above +addThis(); + + +pattern = /(A)?(A.*)/; +var strL = 'zxcasd;fl\\\ ^'; +var strR = 'aaAAaaaf;lrlrzs'; + +status = inSection(4); +string = strL + 'AAA' + strR; +actualmatch = string.match(pattern); +expectedmatch = Array('AAA' + strR, 'A', 'AA' + strR); +addThis(); + +status = inSection(5); +string = strL + 'AA' + strR; +actualmatch = string.match(pattern); +expectedmatch = Array('AA' + strR, 'A', 'A' + strR); +addThis(); + +status = inSection(6); +string = strL + 'A' + strR; +actualmatch = string.match(pattern); +expectedmatch = Array('A' + strR, undefined, 'A' + strR); // 'altruistic' case: see above +addThis(); + + + +//------------------------------------------------------------------------------------------------- +test(); +//------------------------------------------------------------------------------------------------- + + + +function addThis() +{ + statusmessages[i] = status; + patterns[i] = pattern; + strings[i] = string; + actualmatches[i] = actualmatch; + expectedmatches[i] = expectedmatch; + i++; +} + + +function test() +{ + enterFunc ('test'); + printBugNumber(BUGNUMBER); + printStatus (summary); + testRegExp(statusmessages, patterns, strings, actualmatches, expectedmatches); + exitFunc ('test'); +} |