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.externalizable;
  
  import net.openhft.chronicle.core.OS;
  import net.openhft.chronicle.core.util.Time;
  import net.openhft.chronicle.map.ChronicleMap;
  import net.openhft.chronicle.map.ChronicleMapBuilder;
  import org.junit.Test;
  
  import java.io.File;
  import java.io.IOException;
  
  import static org.junit.Assert.assertEquals;
  
  public class ExternalizableTest {
      @Test
      public void externalizable() throws IOException {
          String path = OS.getTarget() + "/test-" + Time.uniqueId() + ".map";
          new File(path).deleteOnExit();
          try (ChronicleMap<Long, SomeClass> storage = ChronicleMapBuilder
                  .of(Long.class, SomeClass.class)
                  .averageValueSize(128)
                  .entries(128)
                  .createPersistedTo(new File(path))) {
              SomeClass value = new SomeClass();
              value.hits.add("one");
              value.hits.add("two");
              storage.put(1L, value);
  
              SomeClass value2 = storage.get(1L);
              assertEquals(value.hits, value2.hits);
          }
      }
  }
  