/*
* Copyright (C) 2006-2013 Bitronix Software (http://www.bitronix.be)
*
* Licensed 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 bitronix.tm.timer;
import bitronix.tm.recovery.Recoverer;
import bitronix.tm.utils.MonotonicClock;
import junit.framework.TestCase;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.List;
/**
*
* @author Ludovic Orban
*/
public class TaskSchedulerTest extends TestCase {
private TaskScheduler ts;
@Override
protected void setUp() throws Exception {
ts = new TaskScheduler();
ts.start();
}
@Override
protected void tearDown() throws Exception {
assertEquals(0, ts.countTasksQueued());
ts.shutdown();
}
public void testRecoveryTask() throws Exception {
Recoverer recoverer = new Recoverer();
ts.scheduleRecovery(recoverer, new Date());
assertEquals(1, ts.countTasksQueued());
Thread.sleep(1100);
assertEquals(1, ts.countTasksQueued());
ts.cancelRecovery(recoverer);
assertEquals(0, ts.countTasksQueued());
Thread.sleep(1100);
assertEquals(0, ts.countTasksQueued());
}
public void testTaskOrdering() throws Exception {
List<SimpleTask> result = Collections.synchronizedList(new ArrayList<SimpleTask>());
ts.addTask(new SimpleTask(new Date(MonotonicClock.currentTimeMillis() + 100), ts, 0, result));
ts.addTask(new SimpleTask(new Date(MonotonicClock.currentTimeMillis() + 200), ts, 1, result));
ts.addTask(new SimpleTask(new Date(MonotonicClock.currentTimeMillis() + 300), ts, 2, result));
ts.join(1000);
assertEquals(0, result.get(0).getObject());
assertEquals(1, result.get(1).getObject());
assertEquals(2, result.get(2).getObject());
}
private static class SimpleTask extends Task {
private final Object obj;
private final List<SimpleTask> result;
protected SimpleTask(Date executionTime, TaskScheduler scheduler, Object obj, List<SimpleTask> result) {
super(executionTime, scheduler);
this.obj = obj;
this.result = result;
}
@Override
public Object getObject() {
return obj;
}
@Override
public void execute() throws TaskException {
result.add(this);
}
}
}