content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.wire;
  
  import static org.junit.Assert.assertEquals;
  
  import alluxio.test.util.CommonUtils;
  
  import com.fasterxml.jackson.databind.ObjectMapper;
  import org.junit.Test;
  
  import java.util.Random;
  
  public class CapacityTest {
  
    /**
     * Test to convert between a Capacity type and a json type.
     */
    @Test
    public void json() throws Exception {
      Capacity capacity = createRandom();
      ObjectMapper mapper = new ObjectMapper();
      Capacity other = mapper.readValue(mapper.writeValueAsBytes(capacity), Capacity.class);
      checkEquality(capacity, other);
    }
  
    @Test
    public void equals() {
      CommonUtils.testEquals(AlluxioMasterInfo.class);
    }
  
    /**
     * Checks if the two Capacity objects are equal.
     *
     * @param a the first Capacity object to be checked
     * @param b the second Capacity object to be checked
     */
    private void checkEquality(Capacity a, Capacity b) {
      assertEquals(a.getTotal(), b.getTotal());
      assertEquals(a.getUsed(), b.getUsed());
      assertEquals(a, b);
    }
  
    /**
     * Randomly creates a Capacity object.
     *
     * @return the created Capacity object
     */
    protected static Capacity createRandom() {
      Capacity result = new Capacity();
      Random random = new Random();
  
      long total = random.nextLong();
      long used = random.nextLong();
  
      result.setTotal(total);
      result.setUsed(used);
  
      return result;
    }
  }
  