gecko/js/tests/js1_5/Regress/regress-57043.js

110 lines
3.7 KiB
JavaScript

/* -*- 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 mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* 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: 03 December 2000
*
*
* SUMMARY: This test arose from Bugzilla bug 57043:
* "Negative integers as object properties: strange behavior!"
*
* We check that object properties may be indexed by signed
* numeric literals, as in assignments like obj[-1] = 'Hello'
*
* NOTE: it should not matter whether we provide the literal with
* quotes around it or not; e.g. these should be equivalent:
*
* obj[-1] = 'Hello'
* obj['-1'] = 'Hello'
*/
//-----------------------------------------------------------------------------
var gTestfile = 'regress-57043.js';
var BUGNUMBER = 57043;
var summary = 'Indexing object properties by signed numerical literals -'
var statprefix = 'Adding a property to test object with an index of ';
var statsuffix = ', testing it now -';
var propprefix = 'This is property ';
var obj = new Object();
var status = ''; var actual = ''; var expect = ''; var value = '';
// various indices to try -
var index = Array(-5000, -507, -3, -2, -1, 0, 1, 2, 3);
//-------------------------------------------------------------------------------------------------
test();
//-------------------------------------------------------------------------------------------------
function test()
{
enterFunc ('test');
printBugNumber(BUGNUMBER);
printStatus (summary);
for (j in index) {testProperty(index[j]);}
exitFunc ('test');
}
function testProperty(i)
{
status = getStatus(i);
// try to assign a property using the given index -
obj[i] = value = (propprefix + i);
// try to read the property back via the index (as number) -
expect = value;
actual = obj[i];
reportCompare(expect, actual, status);
// try to read the property back via the index as string -
expect = value;
actual = obj[String(i)];
reportCompare(expect, actual, status);
}
function getStatus(i)
{
return (statprefix + i + statsuffix);
}