fails:Socket::AncillaryData.int returns a Socket::AncillaryData
fails:Socket::AncillaryData.int sets the family to AF_INET
fails:Socket::AncillaryData.int sets the level SOL_SOCKET
fails:Socket::AncillaryData.int sets the type SCM_RIGHTS
fails:Socket::AncillaryData.int sets the data to a packed String
fails:Socket::AncillaryData#int returns the data as an Integer
fails:Socket::AncillaryData#int raises when the data is not an Integer
