/*
* Copyright 2002-2016 the original author or authors.
*
* 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 org.springframework.amqp.rabbit.listener;
import static org.junit.Assert.assertEquals;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import org.junit.Test;
/**
* @author Dave Syer
* @author Gary Russell
*
*/
public class ActiveObjectCounterTests {
private final ActiveObjectCounter<Object> counter = new ActiveObjectCounter<Object>();
@Test
public void testActiveCount() throws Exception {
final Object object1 = new Object();
final Object object2 = new Object();
counter.add(object1);
counter.add(object2);
assertEquals(2, counter.getCount());
counter.release(object2);
assertEquals(1, counter.getCount());
counter.release(object1);
counter.release(object1);
assertEquals(0, counter.getCount());
}
@Test
public void testWaitForLocks() throws Exception {
final Object object1 = new Object();
final Object object2 = new Object();
counter.add(object1);
counter.add(object2);
Future<Boolean> future = Executors.newSingleThreadExecutor().submit(() -> {
counter.release(object1);
counter.release(object2);
counter.release(object2);
return true;
});
assertEquals(true, counter.await(1000L, TimeUnit.MILLISECONDS));
assertEquals(true, future.get());
}
@Test
public void testTimeoutWaitForLocks() throws Exception {
final Object object1 = new Object();
counter.add(object1);
assertEquals(false, counter.await(200L, TimeUnit.MILLISECONDS));
}
}