[Mono-bugs] [Bug 325241] Implementation of SerialPort. ReadByte may be inconsistent with MSDN documentation

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Sat Nov 3 13:57:26 EDT 2007


Miguel de Icaza <miguel at novell.com> changed:

           What    |Removed                                         |Added
                 CC|                                                |miguel at novell.com
             Status|NEW                                             |NEEDINFO
      Info Provider|                                                |phbaer at npw.net

--- Comment #1 from Miguel de Icaza <miguel at novell.com>  2007-11-03 11:57:25 MST ---
-1 is a valid return from ReadByte according to MSDN, and the InvalidOperation
exception should be thrown if the port is not open.  That is what "CheckOpen"
does, so I do not believe that this is a bug.

Would you mind testing on Windows what happens on ReadLine when the same cable
gets disconnected?

I do not feel comfortable adding a special case for zero, I believe that the
right fix is for SerialStream to either throw an exception (as it does if
poll_serial fails to get data or if the timeout is reached). 

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