Current implementation of StreamReader does not take care of the status of the buffer, once an exception has been set via `set_exception` any call to the read methods won't be able to get the missing data still pending to be processed.

From the point of view of the developer, if there is no scheduled task for waiting data into the Streamreader between a network data gets into the buffer socket and a closing connection by the other peer arrives, the developer won't be able to gather the previous data.