/*
* Copyright 2016 NAVER Corp.
*
* 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 com.navercorp.pinpoint.web.util;
import com.navercorp.pinpoint.common.util.PinpointThreadFactory;
import org.junit.Assert;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Random;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
/**
* @author Woonduk Kang(emeroad)
*/
public class SimpleOrderedThreadPoolTest {
private final Random random = new Random();
@Test
public void testExecute() throws Exception {
SimpleOrderedThreadPool threadPool = new SimpleOrderedThreadPool(3, 100, new PinpointThreadFactory("test", true));
int testCount = 100;
CountDownLatch latch = new CountDownLatch(testCount);
for (int i = 0; i < testCount; i++) {
final int selectKey = random.nextInt();
threadPool.execute(new TestHashSelectorRunnable(selectKey, latch));
}
threadPool.shutdown();
threadPool.awaitTermination(10000, TimeUnit.MILLISECONDS);
Assert.assertEquals(latch.getCount(), 0);
}
public class TestHashSelectorRunnable implements Runnable, SimpleOrderedThreadPool.HashSelector {
private final Logger logger = LoggerFactory.getLogger(this.getClass());
private int selectKey;
private final CountDownLatch latch;
public TestHashSelectorRunnable(int selectKey, CountDownLatch latch) {
this.selectKey = selectKey;
this.latch = latch;
}
@Override
public int select() {
return selectKey;
}
@Override
public void run() {
latch.countDown();
final String name = Thread.currentThread().getName();
logger.debug("selectKey{}, threadName:{}", selectKey, name);
}
}
}