| package org.apache.cassandra.concurrent; |
| /* |
| * |
| * 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. |
| * |
| */ |
| |
| |
| import java.util.concurrent.LinkedBlockingQueue; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| import org.apache.cassandra.utils.WrappedRunnable; |
| |
| public class DebuggableThreadPoolExecutorTest |
| { |
| @BeforeClass |
| public static void setupDD() |
| { |
| DatabaseDescriptor.daemonInitialization(); |
| } |
| |
| @Test |
| public void testSerialization() |
| { |
| LinkedBlockingQueue<Runnable> q = new LinkedBlockingQueue<Runnable>(1); |
| DebuggableThreadPoolExecutor executor = new DebuggableThreadPoolExecutor(1, |
| Integer.MAX_VALUE, |
| TimeUnit.MILLISECONDS, |
| q, |
| new NamedThreadFactory("TEST")); |
| WrappedRunnable runnable = new WrappedRunnable() |
| { |
| public void runMayThrow() throws InterruptedException |
| { |
| Thread.sleep(50); |
| } |
| }; |
| long start = System.nanoTime(); |
| for (int i = 0; i < 10; i++) |
| { |
| executor.execute(runnable); |
| } |
| assert q.size() > 0 : q.size(); |
| while (executor.getCompletedTaskCount() < 10) |
| continue; |
| long delta = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - start); |
| assert delta >= 9 * 50 : delta; |
| } |
| } |