/*
* 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 org.apache.felix.scr.impl.manager;
import static org.junit.Assert.fail;
import java.util.ArrayList;
import java.util.concurrent.CountDownLatch;
import org.apache.felix.scr.impl.manager.RegistrationManager.RegState;
import org.junit.Test;
public class RegistrationManagerTest
{
private volatile boolean fail;
private int n = 10;
private ArrayList<Thread> threads = new ArrayList<Thread>();
private TRM trm = new TRM();
@Test
public void testRegistrationManager( ) throws Exception
{
for (int setup = 0; setup < 1 << n; setup++ )
{
runTest(setup);
if (fail)
{
fail("failed at " + setup);
}
}
}
private void runTest(int setup) throws InterruptedException
{
final CountDownLatch done = new CountDownLatch( n );
for (int i = 0; i < n; i++)
{
boolean b = ((setup >>> i) & 1) == 0;
final RegState change = b? RegState.registered: RegState.unregistered;
new Thread(new Runnable() {
public void run()
{
trm.changeRegistration( change, null );
}
}).start();
done.countDown();
}
done.await();
}
private class TRM extends RegistrationManager<Object>
{
@Override
Object register(String[] services)
{
try
{
Thread.sleep( 1 );
}
catch ( InterruptedException e )
{
// TODO Auto-generated catch block
e.printStackTrace();
}
return new Object();
}
@Override
void postRegister(Object t)
{
// TODO Auto-generated method stub
}
@Override
void unregister(Object serviceRegistration)
{
try
{
Thread.sleep( 1 );
}
catch ( InterruptedException e )
{
// TODO Auto-generated catch block
e.printStackTrace();
}
}
@Override
void log(int level, String message, Object[] arguments, Throwable ex)
{
if ( arguments != null && arguments.length == 1 && (arguments[0] instanceof ArrayList))
{
ArrayList<RegState> opqueue = ( ArrayList<org.apache.felix.scr.impl.manager.RegistrationManager.RegState> ) arguments[0];
// System.out.println("opqueue: " + opqueue);
if (opqueue.size() > 1)
{
for (int i = 1; i < opqueue.size(); i++)
{
if (opqueue.get( i -1 ) == opqueue.get(i))
{
fail = true;
System.out.println("opqueue: " + opqueue);
return;
}
}
}
}
}
@Override
long getTimeout()
{
// TODO Auto-generated method stub
return 10;
}
@Override
void reportTimeout()
{
// TODO Auto-generated method stub
}
}
}