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.util;
  
  import java.io.File;
  import org.junit.Test;
  
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  
  public class LockFileTest {
  
      @Test
      public void testNoDeleteOnUnlockIfNotLocked() throws Exception {
  
          File lockFile = new File(IOHelper.getDefaultDataDirectory(), "lockToTest1");
          IOHelper.mkdirs(lockFile.getParentFile());
          lockFile.createNewFile();
  
          LockFile underTest = new LockFile(lockFile, true);
  
          underTest.lock();
  
          // will fail on windows b/c the file is open
          if ( lockFile.delete() ) {
  
              assertFalse("no longer valid", underTest.keepAlive());
  
              // a slave gets in
              lockFile.createNewFile();
  
              underTest.unlock();
  
              assertTrue("file still exists after unlock when not locked", lockFile.exists());
          }
  
      }
  
      @Test
      public void testDeleteOnUnlockIfLocked() throws Exception {
  
          File lockFile = new File(IOHelper.getDefaultDataDirectory(), "lockToTest2");
          IOHelper.mkdirs(lockFile.getParentFile());
          lockFile.createNewFile();
  
          LockFile underTest = new LockFile(lockFile, true);
  
          underTest.lock();
  
          assertTrue("valid", underTest.keepAlive());
  
          underTest.unlock();
  
          assertFalse("file deleted on unlock", lockFile.exists());
  
      }
  }
  