The Tor Browser: js/src/tests/ecma_3/Expressions/11.9.6-1.js@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 /*

     7  *

     8  * Date:    20 Feb 2002

     9  * SUMMARY: Testing the comparison |undefined === null|

    10  * See http://bugzilla.mozilla.org/show_bug.cgi?id=126722

    11  *

    12  */

    13 //-----------------------------------------------------------------------------

    14 var UBound = 0;

    15 var BUGNUMBER = 126722;

    16 var summary = 'Testing the comparison |undefined === null|';

    17 var status = '';

    18 var statusitems = [];

    19 var actual = '';

    20 var actualvalues = [];

    21 var expect= '';

    22 var expectedvalues = [];

    25 status = inSection(1);

    26 if (undefined === null)

    27   actual = true;

    28 else

    29   actual = false;

    30 expect = false;

    31 addThis();

    35 status = inSection(2);

    36 switch(true)

    37 {

    38 case (undefined === null) :

    39   actual = true;

    40   break;

    42 default:

    43   actual = false;

    44 }

    45 expect = false;

    46 addThis();

    50 status = inSection(3);

    51 function f3(x)

    52 {

    53   var res = false;

    55   switch(true)

    56   {

    57   case (x === null) :

    58     res = true;

    59     break;

    61   default:

    62     // do nothing

    63   }

    65   return res;

    66 }

    68 actual = f3(undefined);

    69 expect = false;

    70 addThis();

    74 status = inSection(4);

    75 function f4(arr)

    76 {

    77   var elt = '';

    78   var res = false;

    80   for (i=0; i<arr.length; i++)

    81   {

    82     elt = arr[i];

    84     switch(true)

    85     {

    86     case (elt === null) :

    87       res = true;

    88       break;

    90     default:

    91       // do nothing

    92     }

    93   }

    95   return res;

    96 }

    98 var arr = Array('a', undefined);

    99 actual = f4(arr);

   100 expect = false;

   101 addThis();

   105 status = inSection(5);

   106 function f5(arr)

   107 {

   108   var len = arr.length;

   110   for(var i=0; (arr[i]===undefined) && (i<len); i++)

   111     ; //do nothing

   113   return i;

   114 }

   116 /*

   117  * An array of 5 undefined elements. Note:

   118  *

   119  * The return value of eval(a STATEMENT) is undefined.

   120  * A non-existent PROPERTY is undefined, not a ReferenceError.

   121  * No undefined element exists AFTER trailing comma at end.

   122  *

   123  */

   124 var arrUndef = [ , undefined, eval('var x = 0'), this.NOT_A_PROPERTY, , ];

   125 actual = f5(arrUndef);

   126 expect = 5;

   127 addThis();

   131 status = inSection(6);

   132 function f6(arr)

   133 {

   134   var len = arr.length;

   136   for(var i=0; (arr[i]===null) && (i<len); i++)

   137     ; //do nothing

   139   return i;

   140 }

   142 /*

   143  * Use same array as above. This time we're comparing to |null|, so we expect 0

   144  */

   145 actual = f6(arrUndef);

   146 expect = 0;

   147 addThis();

   152 //-----------------------------------------------------------------------------

   153 test();

   154 //-----------------------------------------------------------------------------

   158 function addThis()

   159 {

   160   statusitems[UBound] = status;

   161   actualvalues[UBound] = actual;

   162   expectedvalues[UBound] = expect;

   163   UBound++;

   164 }

   167 function test()

   168 {

   169   enterFunc('test');

   170   printBugNumber(BUGNUMBER);

   171   printStatus(summary);

   173   for (var i=0; i<UBound; i++)

   174   {

   175     reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);

   176   }

   178   exitFunc ('test');

   179 }

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