fails:Net::FTP#rename when passed from_name, to_name sends the RNFR command with the passed from_name and the RNTO command with the passed to_name to the server
fails:Net::FTP#rename when passed from_name, to_name returns something
fails:Net::FTP#rename when the RNFR command fails raises a Net::FTPTempError when the response code is 450
fails:Net::FTP#rename when the RNFR command fails raises a Net::FTPPermError when the response code is 550
fails:Net::FTP#rename when the RNFR command fails raises a Net::FTPPermError when the response code is 501
fails:Net::FTP#rename when the RNFR command fails raises a Net::FTPPermError when the response code is 502
fails:Net::FTP#rename when the RNFR command fails raises a Net::FTPTempError when the response code is 421
fails:Net::FTP#rename when the RNFR command fails raises a Net::FTPPermError when the response code is 530
fails:Net::FTP#rename when the RNTO command fails raises a Net::FTPPermError when the response code is 532
fails:Net::FTP#rename when the RNTO command fails raises a Net::FTPPermError when the response code is 553
fails:Net::FTP#rename when the RNTO command fails raises a Net::FTPPermError when the response code is 501
fails:Net::FTP#rename when the RNTO command fails raises a Net::FTPPermError when the response code is 502
fails:Net::FTP#rename when the RNTO command fails raises a Net::FTPTempError when the response code is 421
fails:Net::FTP#rename when the RNTO command fails raises a Net::FTPPermError when the response code is 530
