@Test
public void testChecksumTypeProto() {

  assertEquals(DataChecksum.Type.NULL,
      PBHelperClient.convert(HdfsProtos.ChecksumTypeProto.CHECKSUM_NULL));
  assertEquals(DataChecksum.Type.CRC32,
      PBHelperClient.convert(HdfsProtos.ChecksumTypeProto.CHECKSUM_CRC32));
  assertEquals(DataChecksum.Type.CRC32C,
      PBHelperClient.convert(HdfsProtos.ChecksumTypeProto.CHECKSUM_CRC32C));
  assertEquals(PBHelperClient.convert(DataChecksum.Type.NULL),
      HdfsProtos.ChecksumTypeProto.CHECKSUM_NULL);
  assertEquals(PBHelperClient.convert(DataChecksum.Type.CRC32),
      HdfsProtos.ChecksumTypeProto.CHECKSUM_CRC32);
  assertEquals(PBHelperClient.convert(DataChecksum.Type.CRC32C),
      HdfsProtos.ChecksumTypeProto.CHECKSUM_CRC32C);
}