/**
* 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.hadoop.util;
import org.junit.Test;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class TestShutdownThreadsHelper {
private Runnable sampleRunnable = new Runnable() {
@Override
public void run() {
try {
Thread.sleep(2 * ShutdownThreadsHelper.SHUTDOWN_WAIT_MS);
} catch (InterruptedException ie) {
System.out.println("Thread interrupted");
}
}
};
@Test (timeout = 3000)
public void testShutdownThread() {
Thread thread = new Thread(sampleRunnable);
thread.start();
boolean ret = ShutdownThreadsHelper.shutdownThread(thread);
boolean isTerminated = !thread.isAlive();
assertEquals("Incorrect return value", ret, isTerminated);
assertTrue("Thread is not shutdown", isTerminated);
}
@Test
public void testShutdownThreadPool() throws InterruptedException {
ScheduledThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(1);
executor.execute(sampleRunnable);
boolean ret = ShutdownThreadsHelper.shutdownExecutorService(executor);
boolean isTerminated = executor.isTerminated();
assertEquals("Incorrect return value", ret, isTerminated);
assertTrue("ExecutorService is not shutdown", isTerminated);
}
}