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.artemis.tests.leak;
  
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.Executor;
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.Executors;
  import java.util.concurrent.TimeUnit;
  
  import io.github.checkleak.core.CheckLeak;
  import org.apache.activemq.artemis.utils.actors.OrderedExecutor;
  import org.apache.activemq.artemis.utils.actors.OrderedExecutorFactory;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class HandlerBaseLeakTest extends AbstractLeakTest {
  
     @Test
     public void testHandlerLeak() throws Throwable {
        ExecutorService service = Executors.newFixedThreadPool(1);
        runAfter(service::shutdownNow);
        executeFactory(service);
  
        CheckLeak checkLeak = new CheckLeak();
  
        MemoryAssertions.assertNoInnerInstances(OrderedExecutor.class, checkLeak);
     }
  
     // this needs to be a sub-method, to make sure the VM will collect and discard certain objects, Otherwise HandlerBase would still show in the heap
     private static void executeFactory(ExecutorService service) throws InterruptedException {
        OrderedExecutorFactory factory = new OrderedExecutorFactory(service);
        CountDownLatch latch = new CountDownLatch(1);
        Executor executor = factory.getExecutor();
        executor.execute(latch::countDown);
        assertTrue(latch.await(1, TimeUnit.MINUTES));
     }
  
  }
  