anchor.diff:           handle_info/2,
            terminate/2,
            code_change/3]).
  +
  +-import(gen_server, [call/2]).
   
   -type chunkset()   :: etorrent_chunkset:chunkset().
   -type pieceset()   :: etorrent_pieceset:pieceset().
  
positive.code:     ok  = receive {'DOWN', _, process, Pid, _} -> ok end,
      ?assertMatch({ok, [{0, 0, 1}]}, ?chunk_server:request_chunks(10, Has, 1)).
  
  -endif.
  
negative.code:                   pos_integer(), pos_integer()) -> ok.
  mark_stored(TorrentID, Index, Offset, Length) ->
      ChunkSrv = lookup_chunk_server(TorrentID),
      call(ChunkSrv, {mark_stored, self(), Index, Offset, Length}).
  
  %& @doc
  %% Reinsert a chunk into the request queue.
  