content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 org.apache.cassandra.serializers;
  
  import java.io.IOException;
  
  import org.junit.Assert;
  
  import org.apache.cassandra.io.IVersionedSerializer;
  import org.apache.cassandra.io.util.DataInputBuffer;
  import org.apache.cassandra.io.util.DataOutputBuffer;
  import org.apache.cassandra.net.MessagingService;
  
  public class SerializationUtils
  {
  
      public static <T> T cycleSerialization(T src, IVersionedSerializer<T> serializer, int version)
      {
          int expectedSize = (int) serializer.serializedSize(src, version);
  
          try (DataOutputBuffer out = new DataOutputBuffer(expectedSize))
          {
              serializer.serialize(src, out, version);
              Assert.assertEquals(expectedSize, out.buffer().limit());
              try (DataInputBuffer in = new DataInputBuffer(out.buffer(), false))
              {
                  return serializer.deserialize(in, version);
              }
          }
          catch (IOException e)
          {
              throw new AssertionError(e);
          }
      }
  
      public static <T> void assertSerializationCycle(T src, IVersionedSerializer<T> serializer, int version)
      {
          T dst = cycleSerialization(src, serializer, version);
          Assert.assertEquals(src, dst);
      }
  
      public static <T> void assertSerializationCycle(T src, IVersionedSerializer<T> serializer)
      {
          assertSerializationCycle(src, serializer, MessagingService.current_version);
      }
  }
  