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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 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
* 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 ***** */
gTestfile = '11.4.1.js';
/**
File Name: 11.4.1.js
ECMA Section: 11.4.1 the Delete Operator
Description: returns true if the property could be deleted
returns false if it could not be deleted
Author: christine@netscape.com
Date: 7 july 1997
*/
var SECTION = "11.4.1";
var VERSION = "ECMA_1";
startTest();
var TITLE = "The delete operator";
writeHeaderToLog( SECTION + " "+ TITLE);
// new TestCase( SECTION, "x=[9,8,7];delete(x[2]);x.length", 2, eval("x=[9,8,7];delete(x[2]);x.length") );
// new TestCase( SECTION, "x=[9,8,7];delete(x[2]);x.toString()", "9,8", eval("x=[9,8,7];delete(x[2]);x.toString()") );
new TestCase( SECTION, "x=new Date();delete x;typeof(x)", "undefined", eval("x=new Date();delete x;typeof(x)") );
// array[item++] = new TestCase( SECTION, "delete(x=new Date())", true, delete(x=new Date()) );
// array[item++] = new TestCase( SECTION, "delete('string primitive')", true, delete("string primitive") );
// array[item++] = new TestCase( SECTION, "delete(new String( 'string object' ) )", true, delete(new String("string object")) );
// array[item++] = new TestCase( SECTION, "delete(new Number(12345) )", true, delete(new Number(12345)) );
new TestCase( SECTION, "delete(Math.PI)", false, delete(Math.PI) );
// array[item++] = new TestCase( SECTION, "delete(null)", true, delete(null) );
// array[item++] = new TestCase( SECTION, "delete(void(0))", true, delete(void(0)) );
// variables declared with the var statement are not deletable.
var abc;
new TestCase( SECTION, "var abc; delete(abc)", false, delete abc );
new TestCase( SECTION,
"var OB = new MyObject(); for ( p in OB ) { delete p }",
true,
eval("var OB = new MyObject(); for ( p in OB ) { delete p }") );
test();
function MyObject() {
this.prop1 = true;
this.prop2 = false;
this.prop3 = null;
this.prop4 = void 0;
this.prop5 = "hi";
this.prop6 = 42;
this.prop7 = new Date();
this.prop8 = Math.PI;
}
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