51             username: "jdoe".to_string(),  in test_marshal()
54             network_type: "IN".to_string(),  in test_marshal()
55             address_type: "IP4".to_string(),  in test_marshal()
56             unicast_address: "10.47.16.5".to_string(),  in test_marshal()
58         session_name: "SDP Seminar".to_string(),  in test_marshal()
59         session_information: Some("A Seminar on the session description protocol".to_string()),  in test_marshal()
61         email_address: Some("[email protected] (Jane Doe)".to_string()),  in test_marshal()
62         phone_number: Some("+1 617 555-6011".to_string()),  in test_marshal()
64             network_type: "IN".to_string(),  in test_marshal()
65             address_type: "IP4".to_string(),  in test_marshal()
67                 address: "224.2.17.12".to_string(),  in test_marshal()
75                 bandwidth_type: "YZ".to_string(),  in test_marshal()
80                 bandwidth_type: "AS".to_string(),  in test_marshal()
114         encryption_key: Some("prompt".to_string()),  in test_marshal()
117                 "candidate".to_string(),  in test_marshal()
118                 Some("0 1 UDP 2113667327 203.0.113.1 54400 typ host".to_string()),  in test_marshal()
120             Attribute::new("recvonly".to_string(), None),  in test_marshal()
125                     media: "audio".to_string(),  in test_marshal()
130                     protos: vec!["RTP".to_string(), "AVP".to_string()],  in test_marshal()
131                     formats: vec!["0".to_string()],  in test_marshal()
133                 media_title: Some("Vivamus a posuere nisl".to_string()),  in test_marshal()
135                     network_type: "IN".to_string(),  in test_marshal()
136                     address_type: "IP4".to_string(),  in test_marshal()
138                         address: "203.0.113.1".to_string(),  in test_marshal()
145                     bandwidth_type: "YZ".to_string(),  in test_marshal()
148                 encryption_key: Some("prompt".to_string()),  in test_marshal()
149                 attributes: vec![Attribute::new("sendrecv".to_string(), None)],  in test_marshal()
153                     media: "video".to_string(),  in test_marshal()
158                     protos: vec!["RTP".to_string(), "AVP".to_string()],  in test_marshal()
159                     formats: vec!["99".to_string()],  in test_marshal()
166                     "rtpmap".to_string(),  in test_marshal()
167                     Some("99 h263-1998/90000".to_string()),  in test_marshal()