code: /*
   * Copyright 2012-2018 Chronicle Map Contributors
   *
   * Licensed 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 net.openhft.chronicle.map;
  
  import net.openhft.chronicle.core.OS;
  import net.openhft.chronicle.hash.ChronicleHashRecoveryFailedException;
  import org.junit.After;
  import org.junit.Assume;
  import org.junit.Before;
  import org.junit.Test;
  
  import java.io.File;
  import java.io.IOException;
  
  public class Issue229Test {
  
      private File mapFile;
  
      @Before
      public void setup() {
          mapFile = new File("test_map");
      }
  
      @After
      public void cleanup() {
          mapFile.delete();
      }
  
      @Test(expected = ChronicleHashRecoveryFailedException.class)
      public void assureExclusiveAccess() throws IOException {
          Assume.assumeFalse(OS.isWindows());
  
          try (ChronicleMap<Long, Long> readMap = ChronicleMap
                  .of(Long.class, Long.class)
                  .entries(10)
                  .createPersistedTo(mapFile)) {
  
  // It shall not be possible to recover since the
              // file is open by the readMap
              try (ChronicleMap<Long, Long> recoverMap = ChronicleMap
                      .of(Long.class, Long.class)
                      .entries(10)
                      .recoverPersistedTo(mapFile, true)) {
  
              }
          }
      }
  }