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.values.IntValue;
  import net.openhft.chronicle.core.values.LongValue;
  import net.openhft.chronicle.values.Values;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  
  public class DataKeyValueTest {
  
      @Test
      public void dataKeyValueTest() {
          ChronicleMap<IntValue, LongValue> map =
                  ChronicleMapBuilder.of(IntValue.class, LongValue.class)
                          .entries(1000).create();
          IntValue heapKey = Values.newHeapInstance(IntValue.class);
          LongValue heapValue = Values.newHeapInstance(LongValue.class);
          LongValue directValue = Values.newNativeReference(LongValue.class);
  
          heapKey.setValue(1);
          heapValue.setValue(1);
          map.put(heapKey, heapValue);
          assertEquals(1, map.get(heapKey).getValue());
          assertEquals(1, map.getUsing(heapKey, heapValue).getValue());
  
          heapKey.setValue(1);
          map.getUsing(heapKey, directValue).addValue(1);
          assertEquals(2, map.getUsing(heapKey, heapValue).getValue());
  
          heapKey.setValue(2);
          heapValue.setValue(3);
          map.put(heapKey, heapValue);
          assertEquals(3, map.get(heapKey).getValue());
      }
  }
  