tests/mozilla/ecma_3/ExecutionContexts/10.1.3-1.js

   1 /* ***** BEGIN LICENSE BLOCK *****
   2 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
   3 *
   4 * The contents of this file are subject to the Netscape Public License
   5 * Version 1.1 (the "License"); you may not use this file except in
   6 * compliance with the License. You may obtain a copy of the License at
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   9 * Software distributed under the License is distributed on an "AS IS" basis,
  10 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  11 * for the specific language governing rights and limitations under the
  12 * License.
  13 *
  14 * The Original Code is JavaScript Engine testing utilities.
  15 *
  16 * The Initial Developer of the Original Code is Netscape Communications Corp.
  17 * Portions created by the Initial Developer are Copyright (C) 2002
  18 * the Initial Developer. All Rights Reserved.
  19 *
  20 * Contributor(s): pschwartau@netscape.com
  21 *
  22 * Alternatively, the contents of this file may be used under the terms of
  23 * either the GNU General Public License Version 2 or later (the "GPL"), or
  24 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  25 * in which case the provisions of the GPL or the LGPL are applicable instead
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  34 * ***** END LICENSE BLOCK *****
  35 *
  36 *
  37 * Date:    11 Feb 2002
  38 * SUMMARY: Testing functions having duplicate formal parameter names
  39 *
  40 * Note: given function f(x,x,x,x) {return x;}; f(1,2,3,4) should return 4.
  41 * See ECMA-262 3rd Edition Final Section 10.1.3: Variable Instantiation
  42 *
  43 * Also see http://bugzilla.mozilla.org/show_bug.cgi?id=124900
  44 */
  45 //-----------------------------------------------------------------------------
  46 var UBound = 0;
  47 var bug = 124900;
  48 var summary = 'Testing functions having duplicate formal parameter names';
  49 var status = '';
  50 var statusitems = [];
  51 var actual = '';
  52 var actualvalues = [];
  53 var expect= '';
  54 var expectedvalues = [];
  55
  56
  57 function f1(x,x)
  58 {
  59   return x;
  60 }
  61 status = inSection(1);
  62 actual = f1(1,2);
  63 expect = 2;
  64 addThis();
  65
  66
  67 function f2(x,x,x)
  68 {
  69   return x*x*x;
  70 }
  71 status = inSection(2);
  72 actual = f2(1,2,3);
  73 expect = 27;
  74 addThis();
  75
  76
  77 function f3(x,x,x,x)
  78 {
  79   return 'a' + x + 'b' + x + 'c' + x ;
  80 }
  81 status = inSection(3);
  82 actual = f3(1,2,3,4);
  83 expect = 'a4b4c4';
  84 addThis();
  85
  86
  87 /*
  88  * If the value of the last duplicate parameter is not provided by
  89  * the function caller, the value of this parameter is undefined
  90  */
  91 function f4(x,a,b,x,z)
  92 {
  93   return x;
  94 }
  95 status = inSection(4);
  96 actual = f4(1,2);
  97 expect = undefined;
  98 addThis();
  99
 100
 101 /*
 102  * f.toString() should preserve any duplicate formal parameter names that exist
 103  */
 104 function f5(x,x,x,x)
 105 {
 106 }
 107 status = inSection(5);
 108 actual = f5.toString().match(/\((.*)\)/)[1];
 109 actual = actual.replace(/\s/g, ''); // for definiteness, remove any white space
 110 expect = 'x,x,x,x';
 111 addThis();
 112
 113
 114 function f6(x,x,x,x)
 115 {
 116   var ret = [];
 117
 118   for (var i=0; i<arguments.length; i++)
 119     ret.push(arguments[i]);
 120
 121   return ret.toString();
 122 }
 123 status = inSection(6);
 124 actual = f6(1,2,3,4);
 125 expect = '1,2,3,4';
 126 addThis();
 127
 128
 129 /*
 130  * This variation (assigning to x inside f) is from nboyd@atg.com
 131  * See http://bugzilla.mozilla.org/show_bug.cgi?id=124900
 132  */
 133 function f7(x,x,x,x)
 134 {
 135   x = 999;
 136   var ret = [];
 137
 138   for (var i=0; i<arguments.length; i++)
 139     ret.push(arguments[i]);
 140
 141   return ret.toString();
 142 }
 143 status = inSection(7);
 144 actual = f7(1,2,3,4);
 145 expect = '1,2,3,999';
 146 addThis();
 147
 148
 149 /*
 150  * Same as above, but with |var| keyword added -
 151  */
 152 function f8(x,x,x,x)
 153 {
 154   var x = 999;
 155   var ret = [];
 156
 157   for (var i=0; i<arguments.length; i++)
 158     ret.push(arguments[i]);
 159
 160   return ret.toString();
 161 }
 162 status = inSection(8);
 163 actual = f8(1,2,3,4);
 164 expect = '1,2,3,999';
 165 addThis();
 166
 167
 168
 169 //-----------------------------------------------------------------------------
 170 test();
 171 //-----------------------------------------------------------------------------
 172
 173
 174
 175 function addThis()
 176 {
 177   statusitems[UBound] = status;
 178   actualvalues[UBound] = actual;
 179   expectedvalues[UBound] = expect;
 180   UBound++;
 181 }
 182
 183
 184 function test()
 185 {
 186   enterFunc('test');
 187   printBugNumber(bug);
 188   printStatus(summary);
 189
 190   for (var i=0; i<UBound; i++)
 191   {
 192     reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
 193   }
 194
 195   exitFunc ('test');
 196 }