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.locator;
  
  import java.nio.ByteBuffer;
  
  import org.junit.Test;
  
  import org.apache.cassandra.io.util.DataInputBuffer;
  import org.apache.cassandra.io.util.DataOutputBuffer;
  import org.apache.cassandra.net.MessagingService;
  
  import static org.apache.cassandra.locator.InetAddressAndPort.Serializer.inetAddressAndPortSerializer;
  import static org.junit.Assert.assertEquals;
  
  public class InetAddressAndPortSerializerTest
  {
      @Test
      public void testRoundtrip() throws Exception
      {
          InetAddressAndPort ipv4 = InetAddressAndPort.getByName("127.0.0.1:42");
          InetAddressAndPort ipv6 = InetAddressAndPort.getByName("[2001:db8:0:0:0:ff00:42:8329]:42");
  
          for (MessagingService.Version version : MessagingService.Version.supportedVersions())
          {
              testAddress(ipv4, version.value);
              testAddress(ipv6, version.value);
          }
      }
  
      private void testAddress(InetAddressAndPort address, int version) throws Exception
      {
          ByteBuffer out;
          try (DataOutputBuffer dob = new DataOutputBuffer())
          {
              inetAddressAndPortSerializer.serialize(address, dob, version);
              out = dob.buffer();
          }
          assertEquals(out.remaining(), inetAddressAndPortSerializer.serializedSize(address, version));
  
          InetAddressAndPort roundtripped;
          try (DataInputBuffer dib = new DataInputBuffer(out, false))
          {
              roundtripped = inetAddressAndPortSerializer.deserialize(dib, version);
          }
  
          if (version >= MessagingService.VERSION_40)
          {
              assertEquals(address, roundtripped);
          }
          else
          {
              assertEquals(address.getAddress(), roundtripped.getAddress());
              assertEquals(InetAddressAndPort.getDefaultPort(), roundtripped.getPort());
          }
      }
  }
  