| /* -*- indent-tabs-mode: nil; js-indent-level: 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 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<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(BUGNUMBER); |
| printStatus(summary); |
| |
| for (var i=0; i<UBound; i++) |
| { |
| reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]); |
| } |
| |
| exitFunc ('test'); |
| } |