anchor.diff:                                 Fun =:= zadd_one;
                                  Fun =:= zcount_n;
                                  Fun =:= zincrby;
  -                               Fun =:= zrange_n ->
  +                               Fun =:= zrange_n;
  +                               Fun =:= zrangebyscore_n ->
     zadd(Keys),
     ok;
   init_per_round(Fun, Keys) when Fun =:= zinterstore_min ->
  
positive.code:     edis_db:process(0),
      #edis_command{cmd = <<"ZRANGE">>, args = [?KEY, 0, edis_util:binary_to_integer(Key)],
                    group = zsets, result_type = multi_bulk}).
  
negative.code:                   group = zsets, result_type = number}),
    ok;
  init_per_round(Fun, _Keys) when Fun =:= zcount_m;
                                  Fun =:= zrange_m;
                                  Fun =:= zrangebyscore_m ->
    edis_db:run(
      edis_db:process(0),
      #edis_command{cmd = <<"ZADD">>,
  