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.kafka.common.utils;
  
  import org.junit.jupiter.api.Test;
  
  import java.util.concurrent.ThreadFactory;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class ThreadUtilsTest {
  
      private static final Runnable EMPTY_RUNNABLE = () -> {
      };
      private static final String THREAD_NAME = "ThreadName";
      private static final String THREAD_NAME_WITH_NUMBER = THREAD_NAME + "%d";
  
  
      @Test
      public void testThreadNameWithoutNumberNoDemon() {
          assertEquals(THREAD_NAME, ThreadUtils.createThreadFactory(THREAD_NAME, false).
                  newThread(EMPTY_RUNNABLE).getName());
      }
  
      @Test
      public void testThreadNameWithoutNumberDemon() {
          Thread daemonThread = ThreadUtils.createThreadFactory(THREAD_NAME, true).newThread(EMPTY_RUNNABLE);
          try {
              assertEquals(THREAD_NAME, daemonThread.getName());
              assertTrue(daemonThread.isDaemon());
          } finally {
              try {
                  daemonThread.join();
              } catch (InterruptedException e) {
                  // can be ignored
              }
          }
      }
  
      @Test
      public void testThreadNameWithNumberNoDemon() {
          ThreadFactory localThreadFactory = ThreadUtils.createThreadFactory(THREAD_NAME_WITH_NUMBER, false);
          assertEquals(THREAD_NAME + "1", localThreadFactory.newThread(EMPTY_RUNNABLE).getName());
          assertEquals(THREAD_NAME + "2", localThreadFactory.newThread(EMPTY_RUNNABLE).getName());
      }
  
      @Test
      public void testThreadNameWithNumberDemon() {
          ThreadFactory localThreadFactory = ThreadUtils.createThreadFactory(THREAD_NAME_WITH_NUMBER, true);
          Thread daemonThread1 = localThreadFactory.newThread(EMPTY_RUNNABLE);
          Thread daemonThread2 = localThreadFactory.newThread(EMPTY_RUNNABLE);
  
          try {
              assertEquals(THREAD_NAME + "1", daemonThread1.getName());
              assertTrue(daemonThread1.isDaemon());
          } finally {
              try {
                  daemonThread1.join();
              } catch (InterruptedException e) {
                  // can be ignored
              }
          }
          try {
              assertEquals(THREAD_NAME + "2", daemonThread2.getName());
              assertTrue(daemonThread2.isDaemon());
          } finally {
              try {
                  daemonThread2.join();
              } catch (InterruptedException e) {
                  // can be ignored
              }
          }
      }
  }
  