gecko/js/tests/js1_2/Objects/toString-001.js

121 lines
3.8 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 Communicator client code, released
* March 31, 1998.
*
* 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):
*
* 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
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* decision by deleting the provisions above and replace them with the notice
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* the provisions above, a recipient may use your version of this file under
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* ***** END LICENSE BLOCK ***** */
gTestfile = 'toString-001.js';
/**
File Name: toString_1.js
ECMA Section: Object.toString()
Description:
This checks the ToString value of Object objects under JavaScript 1.2.
In JavaScript 1.2, Object.toString()
Author: christine@netscape.com
Date: 12 november 1997
*/
var SECTION = "JS1_2";
var VERSION = "JS1_2";
startTest();
var TITLE = "Object.toString()";
writeHeaderToLog( SECTION + " "+ TITLE);
var o = new Object();
new TestCase( SECTION,
"var o = new Object(); o.toString()",
"{}",
o.toString() );
o = {};
new TestCase( SECTION,
"o = {}; o.toString()",
"{}",
o.toString() );
o = { name:"object", length:0, value:"hello" }
new TestCase( SECTION,
"o = { name:\"object\", length:0, value:\"hello\" }; o.toString()",
true,
checkObjectToString(o.toString(), ['name:"object"', 'length:0',
'value:"hello"']));
o = { name:"object", length:0, value:"hello",
toString:new Function( "return this.value+''" ) }
new TestCase( SECTION,
"o = { name:\"object\", length:0, value:\"hello\", "+
"toString:new Function( \"return this.value+''\" ) }; o.toString()",
"hello",
o.toString() );
test();
/**
* checkObjectToString
*
* In JS1.2, Object.prototype.toString returns a representation of the
* object's properties as a string. However, the order of the properties
* in the resulting string is not specified. This function compares the
* resulting string with an array of strings to make sure that the
* resulting string is some permutation of the strings in the array.
*/
function checkObjectToString(s, a) {
var m = /^\{(.*)\}$/(s);
if (!m)
return false; // should begin and end with curly brackets
var a2 = m[1].split(", ");
if (a.length != a2.length)
return false; // should be same length
a.sort();
a2.sort();
for (var i=0; i < a.length; i++) {
if (a[i] != a2[i])
return false; // should have identical elements
}
return true;
}