/*
    * 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.maven.plugin.internal;
  
  import java.util.concurrent.CountDownLatch;
  
  import org.apache.maven.execution.DefaultMavenExecutionRequest;
  import org.apache.maven.execution.MavenExecutionRequest;
  import org.apache.maven.execution.MavenSession;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertNull;
  
  /**
   * @author Kristian Rosenvold
   */
  class DefaultLegacySupportTest {
      final CountDownLatch latch = new CountDownLatch(1);
      final DefaultLegacySupport defaultLegacySupport = new DefaultLegacySupport();
  
      @Test
      void testSetSession() throws Exception {
  
          MavenExecutionRequest mavenExecutionRequest = new DefaultMavenExecutionRequest();
          MavenSession m1 = new MavenSession(null, null, mavenExecutionRequest, null);
          defaultLegacySupport.setSession(m1);
  
          MyRunnable myRunnable = new MyRunnable();
          Thread thread = new Thread(myRunnable);
          thread.start();
  
          MavenSession m2 = new MavenSession(null, null, mavenExecutionRequest, null);
          defaultLegacySupport.setSession(m2);
          latch.countDown();
          thread.join();
          assertNull(myRunnable.getSession());
      }
  
      class MyRunnable implements Runnable {
  
          private volatile MavenSession session;
  
          public void run() {
              try {
                  latch.await();
              } catch (InterruptedException ignore) {
                  // Test may fail if we get interrupted
              }
              session = defaultLegacySupport.getSession();
          }
  
          public MavenSession getSession() {
              return session;
          }
      }
  }