| use http::*; | 
 |  | 
 | #[test] | 
 | fn from_bytes() { | 
 |     for ok in &[ | 
 |         "100", "101", "199", "200", "250", "299", "321", "399", "499", "599", "600", "999" | 
 |     ] { | 
 |         assert!(StatusCode::from_bytes(ok.as_bytes()).is_ok()); | 
 |     } | 
 |  | 
 |     for not_ok in &[ | 
 |         "0", "00", "10", "40", "99", "000", "010", "099", "1000", "1999", | 
 |     ] { | 
 |         assert!(StatusCode::from_bytes(not_ok.as_bytes()).is_err()); | 
 |     } | 
 | } | 
 |  | 
 | #[test] | 
 | fn equates_with_u16() { | 
 |     let status = StatusCode::from_u16(200u16).unwrap(); | 
 |     assert_eq!(200u16, status); | 
 |     assert_eq!(status, 200u16); | 
 | } | 
 |  | 
 | #[test] | 
 | fn roundtrip() { | 
 |     for s in 100..1000 { | 
 |         let sstr = s.to_string(); | 
 |         let status = StatusCode::from_bytes(sstr.as_bytes()).unwrap(); | 
 |         assert_eq!(s, u16::from(status)); | 
 |         assert_eq!(sstr, status.as_str()); | 
 |     } | 
 | } | 
 |  | 
 | #[test] | 
 | fn is_informational() { | 
 |     assert!(status_code(100).is_informational()); | 
 |     assert!(status_code(199).is_informational()); | 
 |  | 
 |     assert!(!status_code(200).is_informational()); | 
 | } | 
 |  | 
 | #[test] | 
 | fn is_success() { | 
 |     assert!(status_code(200).is_success()); | 
 |     assert!(status_code(299).is_success()); | 
 |  | 
 |     assert!(!status_code(199).is_success()); | 
 |     assert!(!status_code(300).is_success()); | 
 | } | 
 |  | 
 | #[test] | 
 | fn is_redirection() { | 
 |     assert!(status_code(300).is_redirection()); | 
 |     assert!(status_code(399).is_redirection()); | 
 |  | 
 |     assert!(!status_code(299).is_redirection()); | 
 |     assert!(!status_code(400).is_redirection()); | 
 | } | 
 |  | 
 | #[test] | 
 | fn is_client_error() { | 
 |     assert!(status_code(400).is_client_error()); | 
 |     assert!(status_code(499).is_client_error()); | 
 |  | 
 |     assert!(!status_code(399).is_client_error()); | 
 |     assert!(!status_code(500).is_client_error()); | 
 | } | 
 |  | 
 | #[test] | 
 | fn is_server_error() { | 
 |     assert!(status_code(500).is_server_error()); | 
 |     assert!(status_code(599).is_server_error()); | 
 |  | 
 |     assert!(!status_code(499).is_server_error()); | 
 |     assert!(!status_code(600).is_server_error()); | 
 | } | 
 |  | 
 | /// Helper method for readability | 
 | fn status_code(status_code: u16) -> StatusCode { | 
 |     StatusCode::from_u16(status_code).unwrap() | 
 | } |