content: /*
   * 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.bookkeeper.bookie;
  
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.TimeUnit;
  import org.junit.Assert;
  import org.junit.Test;
  
  /**
   * Testing bookie thread cases.
   */
  public class BookieThreadTest {
  
      private CountDownLatch runningLatch = new CountDownLatch(1);
  
      /**
       * A BookieThread implementation.
       */
      public class MyThread extends BookieThread {
  
          public MyThread(String threadName) {
              super(threadName);
          }
  
          public void run() {
              throw new Error();
          }
  
          @Override
          protected void handleException(Thread t, Throwable e) {
              Assert.assertEquals("Unknown thread!", this, t);
              runningLatch.countDown();
          }
      }
  
      /**
       * A critical thread implementation.
       */
      public class MyCriticalThread extends BookieCriticalThread {
  
          public MyCriticalThread(String threadName) {
              super(threadName);
          }
  
          public void run() {
              throw new Error();
          }
  
          @Override
          protected void handleException(Thread t, Throwable e) {
              Assert.assertEquals("Unknown thread!", this, t);
              runningLatch.countDown();
          }
      }
  
      /**
       * Test verifies uncaught exception handling of BookieThread.
       */
      @Test
      public void testUncaughtException() throws Exception {
          MyThread myThread = new MyThread("Test-Thread");
          myThread.start();
          Assert.assertTrue("Uncaught exception is not properly handled.",
                  runningLatch.await(10000, TimeUnit.MILLISECONDS));
  
          runningLatch = new CountDownLatch(1);
          MyCriticalThread myCriticalThread = new MyCriticalThread(
                  "Test-Critical-Thread");
          myCriticalThread.start();
          Assert.assertTrue("Uncaught exception is not properly handled.",
                  runningLatch.await(10000, TimeUnit.MILLISECONDS));
      }
  }
  