gecko/js/tests/ecma_3/Expressions/11.9.6-1.js

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 MPL, 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 MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
*
* Date: 20 Feb 2002
* SUMMARY: Testing the comparison |undefined === null|
* See http://bugzilla.mozilla.org/show_bug.cgi?id=126722
*
*/
//-----------------------------------------------------------------------------
var gTestfile = '11.9.6-1.js';
var UBound = 0;
var BUGNUMBER = 126722;
var summary = 'Testing the comparison |undefined === null|';
var status = '';
var statusitems = [];
var actual = '';
var actualvalues = [];
var expect= '';
var expectedvalues = [];
status = inSection(1);
if (undefined === null)
actual = true;
else
actual = false;
expect = false;
addThis();
status = inSection(2);
switch(true)
{
case (undefined === null) :
actual = true;
break;
default:
actual = false;
}
expect = false;
addThis();
status = inSection(3);
function f3(x)
{
var res = false;
switch(true)
{
case (x === null) :
res = true;
break;
default:
// do nothing
}
return res;
}
actual = f3(undefined);
expect = false;
addThis();
status = inSection(4);
function f4(arr)
{
var elt = '';
var res = false;
for (i=0; i<arr.length; i++)
{
elt = arr[i];
switch(true)
{
case (elt === null) :
res = true;
break;
default:
// do nothing
}
}
return res;
}
var arr = Array('a', undefined);
actual = f4(arr);
expect = false;
addThis();
status = inSection(5);
function f5(arr)
{
var len = arr.length;
for(var i=0; (arr[i]===undefined) && (i<len); i++)
; //do nothing
return i;
}
/*
* An array of 5 undefined elements. Note:
*
* The return value of eval(a STATEMENT) is undefined.
* A non-existent PROPERTY is undefined, not a ReferenceError.
* No undefined element exists AFTER trailing comma at end.
*
*/
var arrUndef = [ , undefined, eval('var x = 0'), this.NOT_A_PROPERTY, , ];
actual = f5(arrUndef);
expect = 5;
addThis();
status = inSection(6);
function f6(arr)
{
var len = arr.length;
for(var i=0; (arr[i]===null) && (i<len); i++)
; //do nothing
return i;
}
/*
* Use same array as above. This time we're comparing to |null|, so we expect 0
*/
actual = f6(arrUndef);
expect = 0;
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');
}