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Rhino is an open-source implementation of JavaScript written entirely in Java. It is typically embedded into Java applications to provide scripting to end users.

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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 (RegExp object, flag) to RegExp() function.
 * This test arose from Bugzilla bug 61266. The ECMA3 section is:      
 *
 * 15.10.3 The RegExp Constructor Called as a Function
 *
 *   15.10.3.1 RegExp(pattern, flags)
 *
 *   If pattern is an object R whose [[Class]] property is "RegExp"
 *   and flags is undefined, then return R unchanged.  Otherwise 
 *   call the RegExp constructor (section 15.10.4.1),  passing it the
 *   pattern and flags arguments and return  the object constructed
 *   by that constructor.
 *
 *
 * The current test will check the first scenario outlined above:
 *
 *   "pattern" is itself a RegExp object R
 *   "flags" is undefined
 *
 * The flags parameter will be undefined in the sense of not being
 * provided. We check that RegExp(R) returns R  -
 */
//-----------------------------------------------------------------------------
var gTestfile = '15.10.3.1-1.js';
var BUGNUMBER = '61266';
var summary = 'Passing (RegExp object,flag) to RegExp() function';
var statprefix = 'RegExp(new RegExp(';
var comma =  ', '; var singlequote = "'"; var closeparens = '))';
var cnSUCCESS = 'RegExp() returned the supplied RegExp object';
var cnFAILURE =  'RegExp() did NOT return the supplied RegExp object';
var i = -1; var j = -1; var s = ''; var f = '';
var obj = {};
var status = ''; var actual = ''; var expect = '';
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);
      obj = new RegExp(s, f);  

      actual = (obj == RegExp(obj))? cnSUCCESS : cnFAILURE; 
      expect = cnSUCCESS;
      reportCompare (expect, actual, status);
    }
  }
 
  exitFunc ('test');
}


function getStatus(regexp, flag)
{
  return (statprefix  +  quote(regexp) +  comma  +   flag  +  closeparens);
}


function quote(text)
{
  return (singlequote  +  text  + singlequote);
}