### Question:
OxmIcmpv4CodeSerializer extends AbstractOxmMatchEntrySerializer { @Override protected int getValueLength() { return EncodeConstants.SIZE_OF_BYTE_IN_BYTES; }  @Override void serialize(MatchEntry entry, ByteBuf outBuffer);  }### Answer:
@Test public void testGetValueLength() { assertEquals("Wrong value length", EncodeConstants.SIZE_OF_BYTE_IN_BYTES, serializer.getValueLength()); }