/* * The contents of this file are subject to the Netscape Public * License Version 1.1 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or * implied. See the License for the specific language governing * rights and limitations under the License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is Netscape * Communications Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All * Rights Reserved. * * Contributor(s): deneen@alum.bucknell.edu, shaver@mozilla.org * Date: 08 August 2001 * * SUMMARY: When we invoke a function, the arguments object should take * a back seat to any local identifier named "arguments". * * See http://bugzilla.mozilla.org/show_bug.cgi?id=94506 */ //----------------------------------------------------------------------------- var UBound = 0; var bug = 94506; var summary = 'Testing functions employing identifiers named "arguments"'; var status = ''; var statusitems = []; var actual = ''; var actualvalues = []; var expect= ''; var expectedvalues = []; var TYPE_OBJECT = typeof new Object(); var arguments = 5555; // use a parameter named "arguments" function F1(arguments) { return arguments; } // use a local variable named "arguments" function F2() { var arguments = 55; return arguments; } // same thing in a different order. CHANGES THE RESULT! function F3() { return arguments; var arguments = 555; } // use the global variable above named "arguments" function F4() { return arguments; } /* * In Sections 1 and 2, expect the local identifier, not the arguments object. * In Sections 3 and 4, expect the arguments object, not the the identifier. */ status = 'Section 1 of test'; actual = F1(5); expect = 5; addThis(); status = 'Section 2 of test'; actual = F2(); expect = 55; addThis(); status = 'Section 3 of test'; actual = typeof F3(); expect = TYPE_OBJECT; addThis(); status = 'Section 4 of test'; actual = typeof F4(); expect = TYPE_OBJECT; addThis(); // Let's try calling F1 without providing a parameter - status = 'Section 5 of test'; actual = F1(); expect = undefined; addThis(); // Let's try calling F1 with too many parameters - status = 'Section 6 of test'; actual = F1(3,33,333); expect = 3; addThis(); //----------------------------------------------------------------------------- test(); //----------------------------------------------------------------------------- function addThis() { statusitems[UBound] = status; actualvalues[UBound] = actual; expectedvalues[UBound] = expect; UBound++; } function test() { enterFunc ('test'); printBugNumber (bug); printStatus (summary); for (var i = 0; i < UBound; i++) { reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]); } exitFunc ('test'); }