anchor.diff:      Srv = initial_chunk_server(1),
       Has = etorrent_pieceset:from_list([], 3),
       Ret = ?chunk_server:request_chunks(1, Has, 1),
  -    ?assertEqual({error, not_interested}, Ret). 
  +    ?assertEqual({error, not_interested}, Ret).
  +
  +not_interested_valid_case() ->
  +    ID = 9,
  +    {ok, Srv} = ?chunk_server:start_link(ID, 1, [0], [{0, 2}, {1, 2}, {2, 2}]),
  +    true = ?chunk_server:register_peer(ID),
  +    Has = etorrent_pieceset:from_list([0], 3),
  +    Ret = ?chunk_server:request_chunks(ID, Has, 1),
  +    ?assertEqual({error, not_interested}, Ret).
   
   request_one_case() ->
       Srv = initial_chunk_server(2),
  
positive.code:         [?_test(lookup_registered_case()),
           ?_test(unregister_case()),
           ?_test(not_interested_case()),
           ?_test(request_one_case()),
           ?_test(mark_dropped_case()),
           ?_test(mark_all_dropped_case()),
  
negative.code:     Ref = monitor(process, Pid),
      ok  = receive {'DOWN', _, process, Pid, _} -> ok end,
      ?assertMatch({ok, [{0, 1, 1}]}, ?chunk_server:request_chunks(8, Has, 1)).
  -endif.
  