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+/*
+* The contents of this file are subject to the Netscape 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/NPL/
+*
+* Software distributed under the License is distributed on an "AS IS"
+* basis, WITHOUT WARRANTY OF ANY KIND, either expressed
+* 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 Netscape are
+* Copyright (C) 1998 Netscape Communications Corporation.
+* All Rights Reserved.
+*
+* Contributor(s): mozilla@pdavis.cx, pschwartau@netscape.com
+* Date: 22 October 2001
+*
+* SUMMARY: Regression test for Bugzilla bug 105972:
+* "/^.*?$/ will not match anything"
+*
+* See http://bugzilla.mozilla.org/show_bug.cgi?id=105972
+*/
+//-----------------------------------------------------------------------------
+var i = 0;
+var bug = 105972;
+var summary = 'Regression test for Bugzilla bug 105972';
+var cnEmptyString = '';
+var status = '';
+var statusmessages = new Array();
+var pattern = '';
+var patterns = new Array();
+var string = '';
+var strings = new Array();
+var actualmatch = '';
+var actualmatches = new Array();
+var expectedmatch = '';
+var expectedmatches = new Array();
+
+
+/*
+ * The bug: this match was coming up null in Rhino and SpiderMonkey.
+ * It should match the whole string. The reason:
+ *
+ * The * operator is greedy, but *? is non-greedy: it will stop
+ * at the simplest match it can find. But the pattern here asks us
+ * to match till the end of the string. So the simplest match must
+ * go all the way out to the end, and *? has no choice but to do it.
+ */
+status = inSection(1);
+pattern = /^.*?$/;
+string = 'Hello World';
+actualmatch = string.match(pattern);
+expectedmatch = Array(string);
+addThis();
+
+
+/*
+ * Leave off the '$' condition - here we expect the empty string.
+ * Unlike the above pattern, we don't have to match till the end of
+ * the string, so the non-greedy operator *? doesn't try to...
+ */
+status = inSection(2);
+pattern = /^.*?/;
+string = 'Hello World';
+actualmatch = string.match(pattern);
+expectedmatch = Array(cnEmptyString);
+addThis();
+
+
+/*
+ * Try '$' combined with an 'or' operator.
+ *
+ * The operator *? will consume the string from left to right,
+ * attempting to satisfy the condition (:|$). When it hits ':',
+ * the match will stop because the operator *? is non-greedy.
+ *
+ * The submatch $1 = (:|$) will contain the ':'
+ */
+status = inSection(3);
+pattern = /^.*?(:|$)/;
+string = 'Hello: World';
+actualmatch = string.match(pattern);
+expectedmatch = Array('Hello:', ':');
+addThis();
+
+
+/*
+ * Again, '$' combined with an 'or' operator.
+ *
+ * The operator * will consume the string from left to right,
+ * attempting to satisfy the condition (:|$). When it hits ':',
+ * the match will not stop since * is greedy. The match will
+ * continue until it hits $, the end-of-string boundary.
+ *
+ * The submatch $1 = (:|$) will contain the empty string
+ * conceived to exist at the end-of-string boundary.
+ */
+status = inSection(4);
+pattern = /^.*(:|$)/;
+string = 'Hello: World';
+actualmatch = string.match(pattern);
+expectedmatch = Array(string, cnEmptyString);
+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 (bug);
+ printStatus (summary);
+ testRegExp(statusmessages, patterns, strings, actualmatches, expectedmatches);
+ exitFunc ('test');
+}