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diff --git a/Source/JavaScriptCore/tests/mozilla/ecma_3/RegExp/15.10.4.1-2.js b/Source/JavaScriptCore/tests/mozilla/ecma_3/RegExp/15.10.4.1-2.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 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 Netscape are
+* Copyright (C) 1998 Netscape Communications Corporation. All
+* Rights Reserved.
+*
+* Contributor(s): pschwartau@netscape.com  
+* Date: 26 November 2000
+*
+*
+*SUMMARY: Passing a RegExp object to a RegExp() constructor. 
+*This test arose from Bugzilla bug 61266. The ECMA3 section is:       
+*
+*  15.10.4.1 new RegExp(pattern, flags)
+*
+*  If pattern is an object R whose [[Class]] property is "RegExp" and 
+*  flags is undefined, then let P be the pattern used to construct R 
+*  and let F be the flags used to construct R. If pattern is an object R
+*  whose [[Class]] property is "RegExp" and flags is not undefined, 
+*  then throw a TypeError exception. Otherwise, let P be the empty string  
+*  if pattern is undefined and ToString(pattern) otherwise, and let F be 
+*  the empty string if flags is undefined and ToString(flags) otherwise.
+*
+*
+*The current test will check the first scenario outlined above:
+*
+*   "pattern" is itself a RegExp object R
+*   "flags"  is undefined
+*
+* We check that a new RegExp object obj2 defined from these parameters
+* is morally the same as the original RegExp object obj1. Of course, they 
+* can't be equal as objects - so we check their enumerable properties...
+*
+* In this test, the initial RegExp object obj1 will not include a flag.  This test is 
+* identical to test 15.10.4.1-1.js, except that here we use this syntax:
+*
+*                  obj2 = new RegExp(obj1, undefined);
+*
+* instead of:
+*
+*                  obj2 = new RegExp(obj1); 
+*/
+//-------------------------------------------------------------------------------------------------
+var bug = '61266';
+var summary = 'Passing a RegExp object to a RegExp() constructor';
+var statprefix = 'Applying RegExp() twice to pattern ';
+var statsuffix =  '; testing property ';
+var singlequote = "'";
+var i = -1; var s = '';
+var obj1 = {}; var obj2 = {};
+var status = ''; var actual = ''; var expect = ''; var msg = '';
+var patterns = new Array();  
+
+
+// various regular expressions to try -
+patterns[0] = '';
+patterns[1] = 'abc';
+patterns[2] = '(.*)(3-1)\s\w';
+patterns[3] = '(.*)(...)\\s\\w';
+patterns[4] = '[^A-Za-z0-9_]';
+patterns[5] = '[^\f\n\r\t\v](123.5)([4 - 8]$)';
+
+
+
+//-------------------------------------------------------------------------------------------------
+test();
+//-------------------------------------------------------------------------------------------------
+
+
+function test() 
+{
+  enterFunc ('test'); 
+  printBugNumber (bug);
+  printStatus (summary);
+
+  for (i in patterns)
+  {
+    s = patterns[i];
+    status =getStatus(s);   
+    obj1 = new RegExp(s); 
+    obj2 = new RegExp(obj1, undefined);  // see introduction to bug 
+  
+    for (prop in obj2)
+    { 
+      msg  = status +  quote(prop); 
+      actual = obj2[prop]; 
+      expect = obj1[prop];
+      reportCompare (expect, actual, msg);
+    }
+  }
+
+  exitFunc ('test');
+}
+
+
+function getStatus(regexp)
+{ 
+  return (statprefix  +  quote(regexp) +  statsuffix); 
+}
+
+
+function quote(text)
+{
+  return (singlequote  +  text  + singlequote);
+}
+\ No newline at end of file