/*
* 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.juli;
import java.lang.reflect.Method;
import java.util.concurrent.CountDownLatch;
import org.junit.Assert;
import org.junit.Test;
public class TestThreadNameCache {
private Integer threadId;
@Test
public void testCache() throws Exception {
final String THREAD_NAME = "t-TestThreadNameCache";
final CountDownLatch threadIdLatch = new CountDownLatch(1);
final CountDownLatch cacheLatch = new CountDownLatch(1);
OneLineFormatter olf = new OneLineFormatter();
Method getThreadName = olf.getClass().getDeclaredMethod("getThreadName", long.class);
getThreadName.setAccessible(true);
Thread thread = new Thread() {
@SuppressWarnings("deprecation")
@Override
public void run() {
setName(THREAD_NAME);
threadId = Integer.valueOf((int) getId());
threadIdLatch.countDown();
try {
cacheLatch.await();
} catch (InterruptedException ex) {
throw new RuntimeException(ex);
}
}
};
thread.start();
threadIdLatch.await();
Object name = getThreadName.invoke(olf, threadId);
cacheLatch.countDown();
Assert.assertEquals(THREAD_NAME, name);
thread.join();
name = getThreadName.invoke(olf, threadId);
Assert.assertEquals(THREAD_NAME, name);
}
}