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/* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
*/
/**
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 testcases = new Array();
var o = new Object();
testcases[testcases.length] = new TestCase( SECTION,
"var o = new Object(); o.toString()",
"{}",
o.toString() );
o = {};
testcases[testcases.length] = new TestCase( SECTION,
"o = {}; o.toString()",
"{}",
o.toString() );
o = { name:"object", length:0, value:"hello" }
testcases[testcases.length] = 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+''" ) }
testcases[testcases.length] = new TestCase( SECTION,
"o = { name:\"object\", length:0, value:\"hello\", "+
"toString:new Function( \"return this.value+''\" ) }; o.toString()",
"hello",
o.toString() );
test();
function test() {
for ( tc=0; tc < testcases.length; tc++ ) {
testcases[tc].passed = writeTestCaseResult(
testcases[tc].expect,
testcases[tc].actual,
testcases[tc].description +" = "+
testcases[tc].actual );
testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
}
stopTest();
return ( testcases );
}
/**
* 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;
}
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