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+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+ * 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 obj1 will include a flag. The flags
+ * parameter for obj2  will be undefined in the sense of not being provided.
+ */
+//-----------------------------------------------------------------------------
+var BUGNUMBER = '61266';
+var summary = 'Passing a RegExp object to a RegExp() constructor';
+var statprefix = 'Applying RegExp() twice to pattern ';
+var statmiddle = ' and flag ';
+var statsuffix =  '; testing property ';
+var singlequote = "'";
+var i = -1; var j = -1; var s = '';
+var obj1 = {}; var obj2 = {};
+var status = ''; var actual = ''; var expect = ''; var msg = '';
+var patterns = new Array(); 
+var flags = 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]$)';
+
+// various flags to try -
+flags[0] = 'i';
+flags[1] = 'g';
+flags[2] = 'm';
+flags[3] = undefined;
+
+
+
+//-------------------------------------------------------------------------------------------------
+test();
+//-------------------------------------------------------------------------------------------------
+
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  for (i in patterns)
+  {
+    s = patterns[i];
+   
+    for (j in flags)
+    {
+      f = flags[j];
+      status = getStatus(s, f); 
+      obj1 = new RegExp(s, f);
+      obj2 = new RegExp(obj1);
+ 
+      reportCompare (obj1 + '', obj2 + '', status);
+    }
+  }
+
+  exitFunc ('test');
+}
+
+
+function getStatus(regexp, flag)
+{
+  return (statprefix  +  quote(regexp) +  statmiddle  +  flag  +  statsuffix);
+}
+
+
+function quote(text)
+{
+  return (singlequote  +  text  + singlequote);
+}