Ruby

def test_unexpected_bye

server = TCPServer.new(0)

port = server.addr[1]

Thread.start do

begin

sock = server.accept

begin

sock.print("* OK Gimap ready for requests from 75.101.246.151 33if2752585qyk.26\r\n")

sock.gets

sock.print("* BYE System Error 33if2752585qyk.26\r\n")

ensure

sock.close

end

rescue

end

end

begin

begin

imap = Net::IMAP.new("localhost", :port => port)

assert_raise(Net::IMAP::ByeResponseError) do

imap.login("user", "password")

end

end

ensure

server.close

end

end