/*
* 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.sshd.common.util;
import java.util.Collection;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import org.apache.sshd.common.util.threads.ThreadUtils;
import org.apache.sshd.util.test.BaseTestSupport;
import org.junit.FixMethodOrder;
import org.junit.Test;
import org.junit.runners.MethodSorters;
/**
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class ThreadUtilsTest extends BaseTestSupport {
public ThreadUtilsTest() {
super();
}
@Test
public void testProtectExecutorServiceShutdown() {
for (boolean shutdownOnExit : new boolean[]{true, false}) {
assertNull("Unexpected instance for shutdown=" + shutdownOnExit, ThreadUtils.protectExecutorServiceShutdown(null, shutdownOnExit));
}
ExecutorService service = Executors.newSingleThreadExecutor();
try {
assertSame("Unexpected wrapped instance", service, ThreadUtils.protectExecutorServiceShutdown(service, true));
ExecutorService wrapped = ThreadUtils.protectExecutorServiceShutdown(service, false);
try {
assertNotSame("No wrapping occurred", service, wrapped);
wrapped.shutdown();
assertTrue("Wrapped service not shutdown", wrapped.isShutdown());
assertFalse("Protected service is shutdown", service.isShutdown());
Collection<?> running = wrapped.shutdownNow();
assertTrue("Non-empty runners list", running.isEmpty());
assertTrue("Wrapped service not shutdownNow", wrapped.isShutdown());
assertFalse("Protected service is shutdownNow", service.isShutdown());
} finally {
wrapped.shutdownNow(); // just in case
}
} finally {
service.shutdownNow(); // just in case...
}
}
}