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.activemq.broker;
  
  import org.junit.Test;
  
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  
  public class BrokerServiceTest {
  
      static class Hook implements Runnable {
  
          boolean invoked = false;
  
          @Override
          public void run() {
              invoked = true;
          }
      }
  
      @Test
      public void removedPreShutdownHooksShouldNotBeInvokedWhenStopping() throws Exception {
          final BrokerService brokerService = new BrokerService();
  
          final Hook hook = new Hook();
          brokerService.addPreShutdownHook(hook);
          brokerService.removePreShutdownHook(hook);
  
          brokerService.stop();
  
          assertFalse("Removed pre-shutdown hook should not have been invoked", hook.invoked);
      }
  
      @Test
      public void shouldInvokePreShutdownHooksBeforeStopping() throws Exception {
          final BrokerService brokerService = new BrokerService();
  
          final Hook hook = new Hook();
          brokerService.addPreShutdownHook(hook);
  
          brokerService.stop();
  
          assertTrue("Pre-shutdown hook should have been invoked", hook.invoked);
      }
  }
  