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   * 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
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   *
   *     http://www.apache.org/licenses/LICENSE-2.0
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  package org.apache.activemq.artemis.tests.leak;
  
  import static org.junit.jupiter.api.Assertions.fail;
  import static org.junit.jupiter.api.Assumptions.assumeTrue;
  
  import io.github.checkleak.core.CheckLeak;
  import org.apache.activemq.artemis.api.core.QueueConfiguration;
  import org.apache.activemq.artemis.api.core.SimpleString;
  import org.apache.activemq.artemis.api.core.client.ActiveMQClient;
  import org.apache.activemq.artemis.api.core.client.ClientConsumer;
  import org.apache.activemq.artemis.api.core.client.ClientSession;
  import org.apache.activemq.artemis.api.core.client.ClientSessionFactory;
  import org.apache.activemq.artemis.api.core.client.ServerLocator;
  import org.apache.activemq.artemis.core.journal.impl.JournalImpl;
  import org.apache.activemq.artemis.core.server.ActiveMQServer;
  import org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl;
  import org.apache.activemq.artemis.core.server.impl.ServerStatus;
  import org.apache.activemq.artemis.utils.RandomUtil;
  import org.apache.activemq.artemis.utils.actors.OrderedExecutor;
  import org.junit.jupiter.api.AfterAll;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeAll;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  public class CoreClientLeakTest extends AbstractLeakTest {
  
     ActiveMQServer server;
  
     @BeforeAll
     public static void beforeClass() throws Exception {
        assumeTrue(CheckLeak.isLoaded());
     }
  
     @AfterAll
     public static void afterClass() throws Exception {
        ServerStatus.clear();
        MemoryAssertions.assertMemory(new CheckLeak(), 0, ActiveMQServerImpl.class.getName());
        MemoryAssertions.assertMemory(new CheckLeak(), 0, JournalImpl.class.getName());
        MemoryAssertions.assertMemory(new CheckLeak(), 0, OrderedExecutor.class.getName());
     }
  
     @Override
     @BeforeEach
     public void setUp() throws Exception {
        super.setUp();
        server = createServer(true, createDefaultConfig(1, true));
        server.getConfiguration().setJournalPoolFiles(4).setJournalMinFiles(2);
        server.start();
     }
  
     @Override
     @AfterEach
     public void tearDown() throws Exception {
        super.tearDown();
        server.stop();
        server = null;
     }
  
     @Test
     public void testConsumerFiltered() throws Exception {
  
        ServerLocator locator = ActiveMQClient.createServerLocator("tcp://localhost:61616");
        SimpleString queue = RandomUtil.randomUUIDSimpleString();
        SimpleString address = RandomUtil.randomUUIDSimpleString();
        SimpleString emptyString = SimpleString.of("");
        SimpleString dummyFilter = SimpleString.of("dummy=true");
  
  
        try (ClientSessionFactory sf = createSessionFactory(locator);
             ClientSession clientSession = sf.createSession()) {
           try {
              clientSession.start();
              clientSession.createQueue(QueueConfiguration.of(queue).setAddress(address).setDurable(true));
              CheckLeak checkLeak = new CheckLeak();
              int initialSimpleString = 0;
  
              for (int i = 0; i < 500; i++) {
                 ClientConsumer consumer;
                 if (i % 2 == 0) {
                    consumer = clientSession.createConsumer(queue, emptyString);
                 } else {
                    consumer = clientSession.createConsumer(queue, dummyFilter);
                 }
                 consumer.close();
                 consumer = null; // setting it to null to release the consumer earlier before the checkLeak call bellow
                 if (i == 100) {
                    // getting a stable number of strings after 100 consumers created
                    initialSimpleString = checkLeak.getAllObjects(SimpleString.class).length;
                 }
              }
  
              int lastNumberOfSimpleStrings = checkLeak.getAllObjects(SimpleString.class).length;
  
              // I am allowing extra 50 strings created elsewhere. it should not happen at the time I created this test but I am allowing this just in case
              if (lastNumberOfSimpleStrings > initialSimpleString + 50) {
                 fail("There are " + lastNumberOfSimpleStrings + " while there was " + initialSimpleString + " SimpleString objects initially");
              }
  
           } finally {
              clientSession.deleteQueue(queue);
           }
        }
  
        locator.close();
     }
  
  
  }