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:  * Date: 08 August 2001
michael@0:  *
michael@0:  * SUMMARY: When we invoke a function, the arguments object should take
michael@0:  *          a back seat to any local identifier named "arguments".
michael@0:  *
michael@0:  * See http://bugzilla.mozilla.org/show_bug.cgi?id=94506
michael@0:  */
michael@0: //-----------------------------------------------------------------------------
michael@0: var UBound = 0;
michael@0: var BUGNUMBER = 94506;
michael@0: var summary = 'Testing functions employing identifiers named "arguments"';
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: var TYPE_OBJECT = typeof new Object();
michael@0: var arguments = 5555;
michael@0: 
michael@0: 
michael@0: // use a parameter named "arguments"
michael@0: function F1(arguments)
michael@0: {
michael@0:   return arguments;
michael@0: }
michael@0: 
michael@0: 
michael@0: // use a local variable named "arguments"
michael@0: function F2()
michael@0: {
michael@0:   var arguments = 55;
michael@0:   return arguments;
michael@0: }
michael@0: 
michael@0: 
michael@0: // same thing in a different order. CHANGES THE RESULT!
michael@0: function F3()
michael@0: {
michael@0:   return arguments;
michael@0:   var arguments = 555;
michael@0: }
michael@0: 
michael@0: 
michael@0: // use the global variable above named "arguments"
michael@0: function F4()
michael@0: {
michael@0:   return arguments;
michael@0: }
michael@0: 
michael@0: 
michael@0: 
michael@0: /*
michael@0:  * In Sections 1 and 2, expect the local identifier, not the arguments object.
michael@0:  * In Sections 3 and 4, expect the arguments object, not the the identifier.
michael@0:  */
michael@0: 
michael@0: status = 'Section 1 of test';
michael@0: actual = F1(5);
michael@0: expect = 5;
michael@0: addThis();
michael@0: 
michael@0: 
michael@0: status = 'Section 2 of test';
michael@0: actual = F2();
michael@0: expect = 55;
michael@0: addThis();
michael@0: 
michael@0: 
michael@0: status = 'Section 3 of test';
michael@0: actual = typeof F3();
michael@0: expect = TYPE_OBJECT;
michael@0: addThis();
michael@0: 
michael@0: 
michael@0: status = 'Section 4 of test';
michael@0: actual = typeof F4();
michael@0: expect = TYPE_OBJECT;
michael@0: addThis();
michael@0: 
michael@0: 
michael@0: // Let's try calling F1 without providing a parameter -
michael@0: status = 'Section 5 of test';
michael@0: actual = F1();
michael@0: expect = undefined;
michael@0: addThis();
michael@0: 
michael@0: 
michael@0: // Let's try calling F1 with too many parameters -
michael@0: status = 'Section 6 of test';
michael@0: actual = F1(3,33,333);
michael@0: expect = 3;
michael@0: addThis();
michael@0: 
michael@0: 
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: test();
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: }