File 1: passed (no error)
File 2: passed (no error)
Pipe 1: passed (no error)
Pipe 2: passed (no error)
Stream socket 1: passed (no error)
Stream socket 2: passed (no error)
Datagram socket 1: passed (error raised)
Datagram socket 2: passed (error raised)
stdin: passed (no error)
stderr: passed (no error)
Closed file 1: passed (error raised)
Closed file 2: passed (error raised)
Test completed normally