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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
package com.sun.star.uno;
import complexlib.ComplexTestCase;
import java.util.ArrayList;
import java.util.Iterator;
import util.WaitUnreachable;
public final class WeakReference_Test extends ComplexTestCase {
public String getTestObjectName() {
return getClass().getName();
}
public String[] getTestMethodNames() {
return new String[] { "test" };
}
public void test() {
Object o = new MockWeak();
WeakReference r1 = new WeakReference(o);
WeakReference r2 = new WeakReference(r1);
assure("", r1.get() == o);
assure("", r2.get() == o);
WaitUnreachable u = new WaitUnreachable(o);
o = null;
u.waitUnreachable();
assure("a3", r1.get() == null);
assure("a4", r2.get() == null);
}
private static final class MockWeak implements XWeak {
public XAdapter queryAdapter() {
return adapter;
}
protected void finalize() {
adapter.dispose();
}
private static final class Adapter implements XAdapter {
public Adapter(Object obj) {
ref = new java.lang.ref.WeakReference(obj);
}
public Object queryAdapted() {
return ref.get();
}
public void addReference(XReference ref) {
synchronized (this) {
if (listeners != null) {
listeners.add(ref);
return;
}
}
ref.dispose();
}
public synchronized void removeReference(XReference ref) {
if (listeners != null) {
listeners.remove(ref);
}
}
public void dispose() {
ArrayList l;
synchronized (this){
l = listeners;
listeners = null;
}
if (l != null) {
java.lang.RuntimeException ex = null;
for (Iterator i = l.iterator(); i.hasNext();) {
try {
((XReference) i.next()).dispose();
} catch (java.lang.RuntimeException e) {
ex = e;
}
}
if (ex != null) {
throw ex;
}
}
}
private final java.lang.ref.WeakReference ref;
private ArrayList listeners = new ArrayList();
}
private final Adapter adapter = new Adapter(this);
}
}
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