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js/tests/ecma_3/RegExp/regress-57572.js

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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): pschwartau@netscape.com  
+* Date: 28 December 2000
+*
+*
+* SUMMARY: Testing regular expressions containing the ? character.
+* Arose from Bugzilla bug 57572: "RegExp with ? matches incorrectly"
+*
+*/
+//-------------------------------------------------------------------------------------------------
+var bug = 57572;
+var summary = 'Testing regular expressions containing "?"';
+var statprefix = 'regexp = '; var statmiddle =  ', string = '; var statsuffix = ', $=';
+var cnSingleQuote = "'"; var cnEmptyString = ''; var cnSingleSpace = ' ';
+var i = -1; var j = -1;
+var pattern = ''; var patterns = new Array();
+var string = ''; var strings = new Array();
+var actual = '';  var actuals = new Array();
+var expect = ''; expects = new Array();
+
+
+pattern = /(\S+)?(.*)/; 
+string = 'Test this';
+actual = string.match(pattern);
+expect = Array(string,  'Test',  ' this');  //single space in front of  'this'
+addThis();
+
+pattern = /(\S+)? ?(.*)/;  //single space between the ? characters
+string= 'Test this';
+actual = string.match(pattern);
+expect = Array(string,  'Test',  'this');  //NO space in front of  'this'
+addThis(); 
+
+pattern = /(\S+)????(.*)/;   
+string= 'Test this';
+actual = string.match(pattern);
+expect = Array(string, cnEmptyString, string);
+addThis(); 
+
+pattern = /(\S+)?(.*)/; 
+string = 'Stupid phrase, with six - (short) words';
+actual = string.match(pattern);
+expect = Array(string,  'Stupid',  ' phrase, with six - (short) words');  //single space in front of 'phrase'
+addThis(); 
+
+pattern = /(\S+)? ?(.*)/;  //single space between the ? characters
+string = 'Stupid phrase, with six - (short) words';
+actual = string.match(pattern);
+expect = Array(string,  'Stupid',  'phrase, with six - (short) words');  //NO space in front of 'phrase'
+addThis(); 
+
+// let's add an extra back-reference this time - three instead of two -
+pattern = /(\S+)?( ?)(.*)/;  //single space before second ? character
+string = 'Stupid phrase, with six - (short) words';
+actual = string.match(pattern);
+expect = Array(string,  'Stupid', cnSingleSpace, 'phrase, with six - (short) words'); 
+addThis(); 
+
+pattern = /^(\S+)?( ?)(B+)$/;  //single space before second ? character
+string = 'AAABBB';
+actual = string.match(pattern);
+expect = Array(string,  'AAABB', cnEmptyString,  'B');  
+addThis(); 
+
+pattern = /(\S+)?(!?)(.*)/;
+string = 'WOW !!! !!!';
+actual = string.match(pattern);
+expect = Array(string, 'WOW', cnEmptyString,  ' !!! !!!');
+addThis(); 
+
+pattern = /(.+)?(!?)(!+)/;
+string = 'WOW !!! !!!';
+actual = string.match(pattern);
+expect = Array(string, 'WOW !!! !!', cnEmptyString,  '!');
+addThis(); 
+
+
+
+//-------------------------------------------------------------------------------------------------
+test();
+//-------------------------------------------------------------------------------------------------
+
+
+
+function addThis() 
+{
+  i++;
+  patterns[i] = pattern;
+  strings[i] = string;
+  actuals[i] = actual;
+  expects[i] = expect;
+}
+
+
+function test() 
+{
+  enterFunc ('test'); 
+  printBugNumber (bug);
+  printStatus (summary);
+  
+  for (i=0; i != patterns.length; i++)
+  {
+    // expects[i] and actuals[i] are array objects. Compare them element-by-element -
+    for (j=0; j !=actuals[i].length; j++)
+    {
+      reportCompare (expects[i][j], actuals[i][j], getStatus(i, j));
+    }
+  }
+ 
+  exitFunc ('test');
+}
+
+
+function getStatus(i, j)
+{
+  return (statprefix  +  quote(patterns[i])  +  statmiddle  +  quote(strings[i])  +  statsuffix  +  j ); 
+}
+
+
+function quote(text)
+{
+  return (cnSingleQuote  +  text  +  cnSingleQuote);
+}