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/*************************************************************************
*
* $RCSfile: WeakMap_Test.java,v $
*
* $Revision: 1.2 $
*
* last change: $Author: rt $ $Date: 2004-03-30 16:38:44 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source 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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
package com.sun.star.lib.util;
import complexlib.ComplexTestCase;
import util.WaitUnreachable;
public final class WeakMap_Test extends ComplexTestCase {
public String[] getTestMethodNames() {
return new String[] { "test" };
}
public void test() {
WeakMap m = new WeakMap();
assure("", m.size() == 0);
assure("", m.isEmpty());
assure("", !m.containsKey("key1"));
assure("", !m.containsValue(null));
WaitUnreachable u1 = new WaitUnreachable(new Object());
m.put("key1", u1.get());
WaitUnreachable u2 = new WaitUnreachable(new Disposable());
m.put("key2", u2.get());
assure("", m.size() == 2);
assure("", !m.isEmpty());
assure("", m.containsKey("key1"));
assure("", m.containsKey("key2"));
assure("", !m.containsKey("key3"));
assure("", m.containsValue(m.get("key1")));
assure("", m.containsValue(m.get("key2")));
assure("", WeakMap.getValue(m.get("key1")).equals(u1.get()));
assure("", WeakMap.getValue(m.get("key2")).equals(u2.get()));
assure("", m.values().size() == 2);
assure("", m.values().contains(m.get("key1")));
assure("", m.values().contains(m.get("key2")));
u1.waitUnreachable();
assure("", WeakMap.getValue(m.get("key1")) == null);
((Disposable) u2.get()).dispose();
assure("", WeakMap.getValue(m.get("key2")) == null);
m.clear();
u2.waitUnreachable();
assure("", m.size() == 0);
m.put("key2", new Object());
assure("", m.size() == 1);
}
// This simple class (single listener, no synchronization) exploits
// knowledge about the implementation of WeakMap:
private static final class Disposable implements DisposeNotifier {
public void addDisposeListener(DisposeListener listener) {
this.listener = listener;
}
public void dispose() {
if (listener != null) {
listener.notifyDispose(this);
}
}
private DisposeListener listener = null;
}
}
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