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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:    11 Feb 2002
 * SUMMARY: Testing functions having duplicate formal parameter names
 *
 * Note: given function f(x,x,x,x) {return x;}; f(1,2,3,4) should return 4.
 * See ECMA-262 3rd Edition Final Section 10.1.3: Variable Instantiation
 *
 * Also see http://bugzilla.mozilla.org/show_bug.cgi?id=124900
 */
//-----------------------------------------------------------------------------
var gTestfile = '10.1.3-1.js';
var UBound = 0;
var BUGNUMBER = 124900;
var summary = 'Testing functions having duplicate formal parameter names';
var status = '';
var statusitems = [];
var actual = '';
var actualvalues = [];
var expect= '';
var expectedvalues = [];


function f1(x,x)
{
  return x;
}
status = inSection(1);
actual = f1(1,2);
expect = 2;
addThis();


function f2(x,x,x)
{
  return x*x*x;
}
status = inSection(2);
actual = f2(1,2,3);
expect = 27;
addThis();


function f3(x,x,x,x)
{
  return 'a' + x + 'b' + x + 'c' + x ;
}
status = inSection(3);
actual = f3(1,2,3,4);
expect = 'a4b4c4';
addThis();


/*
 * If the value of the last duplicate parameter is not provided by
 * the function caller, the value of this parameter is undefined
 */
function f4(x,a,b,x,z)
{
  return x;
}
status = inSection(4);
actual = f4(1,2);
expect = undefined;
addThis();


/*
 * f.toString() should preserve any duplicate formal parameter names that exist
 */
function f5(x,x,x,x)
{
}
status = inSection(5);
actual = f5.toString().match(/\((.*)\)/)[1];
actual = actual.replace(/\s/g, ''); // for definiteness, remove any white space
expect = 'x,x,x,x';
addThis();


function f6(x,x,x,x)
{
  var ret = [];

  for (var i=0; i