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91 lines
3.9 KiB
JavaScript
91 lines
3.9 KiB
JavaScript
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/**
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File Name: 11.4.1.js
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ECMA Section: 11.4.1 the Delete Operator
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Description: returns true if the property could be deleted
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returns false if it could not be deleted
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Author: christine@netscape.com
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Date: 7 july 1997
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*/
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var SECTION = "11.4.1";
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var VERSION = "ECMA_1";
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startTest();
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var TITLE = "The delete operator";
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writeHeaderToLog( SECTION + " "+ TITLE);
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// new TestCase( SECTION, "x=[9,8,7];delete(x[2]);x.length", 2, eval("x=[9,8,7];delete(x[2]);x.length") );
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// new TestCase( SECTION, "x=[9,8,7];delete(x[2]);x.toString()", "9,8", eval("x=[9,8,7];delete(x[2]);x.toString()") );
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new TestCase( SECTION, "x=new Date();delete x;typeof(x)", "undefined", eval("x=new Date();delete x;typeof(x)") );
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// array[item++] = new TestCase( SECTION, "delete(x=new Date())", true, delete(x=new Date()) );
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// array[item++] = new TestCase( SECTION, "delete('string primitive')", true, delete("string primitive") );
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// array[item++] = new TestCase( SECTION, "delete(new String( 'string object' ) )", true, delete(new String("string object")) );
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// array[item++] = new TestCase( SECTION, "delete(new Number(12345) )", true, delete(new Number(12345)) );
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new TestCase( SECTION, "delete(Math.PI)", false, delete(Math.PI) );
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// array[item++] = new TestCase( SECTION, "delete(null)", true, delete(null) );
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// array[item++] = new TestCase( SECTION, "delete(void(0))", true, delete(void(0)) );
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// variables declared with the var statement are not deletable.
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var abc;
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new TestCase( SECTION, "var abc; delete(abc)", false, delete abc );
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new TestCase( SECTION,
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"var OB = new MyObject(); for ( p in OB ) { delete p }",
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true,
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eval("var OB = new MyObject(); for ( p in OB ) { delete p }") );
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test();
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function MyObject() {
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this.prop1 = true;
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this.prop2 = false;
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this.prop3 = null;
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this.prop4 = void 0;
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this.prop5 = "hi";
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this.prop6 = 42;
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this.prop7 = new Date();
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this.prop8 = Math.PI;
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}
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