michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /*
michael@0:  *
michael@0:  * Date:    11 Feb 2002
michael@0:  * SUMMARY: Testing functions having duplicate formal parameter names
michael@0:  *
michael@0:  * Note: given function f(x,x,x,x) {return x;}; f(1,2,3,4) should return 4.
michael@0:  * See ECMA-262 3rd Edition Final Section 10.1.3: Variable Instantiation
michael@0:  *
michael@0:  * Also see http://bugzilla.mozilla.org/show_bug.cgi?id=124900
michael@0:  */
michael@0: //-----------------------------------------------------------------------------
michael@0: var UBound = 0;
michael@0: var BUGNUMBER = 124900;
michael@0: var summary = 'Testing functions having duplicate formal parameter names';
michael@0: var status = '';
michael@0: var statusitems = [];
michael@0: var actual = '';
michael@0: var actualvalues = [];
michael@0: var expect= '';
michael@0: var expectedvalues = [];
michael@0: 
michael@0: 
michael@0: function f1(x,x)
michael@0: {
michael@0:   return x;
michael@0: }
michael@0: status = inSection(1);
michael@0: actual = f1(1,2);
michael@0: expect = 2;
michael@0: addThis();
michael@0: 
michael@0: 
michael@0: function f2(x,x,x)
michael@0: {
michael@0:   return x*x*x;
michael@0: }
michael@0: status = inSection(2);
michael@0: actual = f2(1,2,3);
michael@0: expect = 27;
michael@0: addThis();
michael@0: 
michael@0: 
michael@0: function f3(x,x,x,x)
michael@0: {
michael@0:   return 'a' + x + 'b' + x + 'c' + x ;
michael@0: }
michael@0: status = inSection(3);
michael@0: actual = f3(1,2,3,4);
michael@0: expect = 'a4b4c4';
michael@0: addThis();
michael@0: 
michael@0: 
michael@0: /*
michael@0:  * If the value of the last duplicate parameter is not provided by
michael@0:  * the function caller, the value of this parameter is undefined
michael@0:  */
michael@0: function f4(x,a,b,x,z)
michael@0: {
michael@0:   return x;
michael@0: }
michael@0: status = inSection(4);
michael@0: actual = f4(1,2);
michael@0: expect = undefined;
michael@0: addThis();
michael@0: 
michael@0: 
michael@0: /*
michael@0:  * f.toString() should preserve any duplicate formal parameter names that exist
michael@0:  */
michael@0: function f5(x,x,x,x)
michael@0: {
michael@0: }
michael@0: status = inSection(5);
michael@0: actual = f5.toString().match(/\((.*)\)/)[1];
michael@0: actual = actual.replace(/\s/g, ''); // for definiteness, remove any white space
michael@0: expect = 'x,x,x,x';
michael@0: addThis();
michael@0: 
michael@0: 
michael@0: function f6(x,x,x,x)
michael@0: {
michael@0:   var ret = [];
michael@0: 
michael@0:   for (var i=0; i<arguments.length; i++)
michael@0:     ret.push(arguments[i]);
michael@0: 
michael@0:   return ret.toString();
michael@0: }
michael@0: status = inSection(6);
michael@0: actual = f6(1,2,3,4);
michael@0: expect = '1,2,3,4';
michael@0: addThis();
michael@0: 
michael@0: 
michael@0: /*
michael@0:  * This variation (assigning to x inside f) is from nboyd@atg.com
michael@0:  * See http://bugzilla.mozilla.org/show_bug.cgi?id=124900
michael@0:  */
michael@0: function f7(x,x,x,x)
michael@0: {
michael@0:   x = 999;
michael@0:   var ret = [];
michael@0: 
michael@0:   for (var i=0; i<arguments.length; i++)
michael@0:     ret.push(arguments[i]);
michael@0: 
michael@0:   return ret.toString();
michael@0: }
michael@0: status = inSection(7);
michael@0: actual = f7(1,2,3,4);
michael@0: expect = '1,2,3,999';
michael@0: addThis();
michael@0: 
michael@0: 
michael@0: /*
michael@0:  * Same as above, but with |var| keyword added -
michael@0:  */
michael@0: function f8(x,x,x,x)
michael@0: {
michael@0:   var x = 999;
michael@0:   var ret = [];
michael@0: 
michael@0:   for (var i=0; i<arguments.length; i++)
michael@0:     ret.push(arguments[i]);
michael@0: 
michael@0:   return ret.toString();
michael@0: }
michael@0: status = inSection(8);
michael@0: actual = f8(1,2,3,4);
michael@0: expect = '1,2,3,999';
michael@0: addThis();
michael@0: 
michael@0: 
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: test();
michael@0: //-----------------------------------------------------------------------------
michael@0: 
michael@0: 
michael@0: 
michael@0: function addThis()
michael@0: {
michael@0:   statusitems[UBound] = status;
michael@0:   actualvalues[UBound] = actual;
michael@0:   expectedvalues[UBound] = expect;
michael@0:   UBound++;
michael@0: }
michael@0: 
michael@0: 
michael@0: function test()
michael@0: {
michael@0:   enterFunc('test');
michael@0:   printBugNumber(BUGNUMBER);
michael@0:   printStatus(summary);
michael@0: 
michael@0:   for (var i=0; i<UBound; i++)
michael@0:   {
michael@0:     reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
michael@0:   }
michael@0: 
michael@0:   exitFunc ('test');
michael@0: }