/* ***** BEGIN LICENSE BLOCK ***** * Version: NPL 1.1/GPL 2.0/LGPL 2.1 * * 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 JavaScript Engine testing utilities. * * The Initial Developer of the Original Code is Netscape Communications Corp. * Portions created by the Initial Developer are Copyright (C) 2002 * the Initial Developer. All Rights Reserved. * * Contributor(s): pschwartau@netscape.com * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the NPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the NPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** * * * 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 UBound = 0; var bug = 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<arguments.length; i++) ret.push(arguments[i]); return ret.toString(); } status = inSection(6); actual = f6(1,2,3,4); expect = '1,2,3,4'; addThis(); /* * This variation (assigning to x inside f) is from nboyd@atg.com * See http://bugzilla.mozilla.org/show_bug.cgi?id=124900 */ function f7(x,x,x,x) { x = 999; var ret = []; for (var i=0; i<arguments.length; i++) ret.push(arguments[i]); return ret.toString(); } status = inSection(7); actual = f7(1,2,3,4); expect = '1,2,3,999'; addThis(); /* * Same as above, but with |var| keyword added - */ function f8(x,x,x,x) { var x = 999; var ret = []; for (var i=0; i<arguments.length; i++) ret.push(arguments[i]); return ret.toString(); } status = inSection(8); actual = f8(1,2,3,4); expect = '1,2,3,999'; 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'); }