### Question:
OxmSctpSrcSerializer extends AbstractOxmMatchEntrySerializer { @Override protected int getOxmFieldCode() { return OxmMatchConstants.SCTP_SRC; }  @Override void serialize(MatchEntry entry, ByteBuf outBuffer);  }### Answer:
@Test public void getOxmFieldCode() { assertEquals("Wrong oxm-class", OxmMatchConstants.SCTP_SRC, serializer.getOxmFieldCode()); }