anchor.diff:                  fun() ->
                           nif_encode_decode_test_it(NEDM, Defs),
                           nif_encode_decode_strings(NEDM, Defs),
  -                        [nif_encode_decode_oneof(NEDM, Defs) || ProtocCanOneof],
                           ok
                   end)
         end).
  
positive.code:         [{TestDescr, TestFun}]}
         || {TestDescr, TestFun} <- Tests1]}}.
  
  nif_encode_decode_maps_() ->
      ProtocCanMapfields = check_protoc_can_do_mapfields(),
      {Descr, Tests} =
  
negative.code:       end).
  
  nif_encode_decode() ->
      with_tmpdir(
        fun(TmpDir) ->
                NEDM = gpb_nif_test_ed1,
  