gistfile1.hrl

-define(assertRecv(Pattern, Timeout),
  ((fun () ->
    receive V = Pattern -> V
    after Timeout -> 
      receive __X ->
        .erlang:error({assertRecv_failed, 
        [{module, ?MODULE},
         {line, ?LINE},
         {pattern, (??Pattern)},
         {received, __X}]})
      after 0 ->
        .erlang:error({assertRecv_failed, 
        [{module, ?MODULE},
         {line, ?LINE},
         {pattern, (??Pattern)}]})
      end
    end
  end)())).