| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the 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); |
| } |
| } |