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.hash.impl.util.BuildVersion;
  import org.junit.Assert;
  import org.junit.Test;
  
  import java.io.IOException;
  
  /**
   * @author Rob Austin.
   */
  public class BuildVersionTest {
  
      @Test
      public void test() throws IOException, InterruptedException {
          // checks that we always get a version
          Assert.assertNotNull(BuildVersion.version());
      }
  
      /**
       * check that the map records the version
       *
       */
      @Test
      public void testVersion() throws IOException, InterruptedException {
  
          try (ChronicleMap<Integer, Double> expected = ChronicleMap.of(Integer.class, Double.class)
                  .entries(1).create()) {
              expected.put(1, 1.0);
  
              String version = ((VanillaChronicleMap) expected).persistedDataVersion();
              Assert.assertNotNull(BuildVersion.version(), version);
  
          }
      }
  }
  