39     let sdp = SessionDescription::unmarshal(&mut reader)?;  in test_unmarshal_marshal()  localVariable
40     let output = sdp.marshal();  in test_unmarshal_marshal()
534         let sdp = SessionDescription::unmarshal(&mut reader);  in test_round_trip()  localVariable
535         if let Ok(sdp) = sdp {  in test_round_trip()
536             let actual = sdp.marshal();  in test_round_trip()
553     let sdp = SessionDescription::unmarshal(&mut reader)?;  in test_unmarshal_repeat_times()  localVariable
554     let actual = sdp.marshal();  in test_unmarshal_repeat_times()
574     let sdp = SessionDescription::unmarshal(&mut reader)?;  in test_unmarshal_time_zones()  localVariable
575     let actual = sdp.marshal();  in test_unmarshal_time_zones()
584     let sdp = SessionDescription::unmarshal(&mut reader);  in test_unmarshal_non_nil_address()  localVariable
585     if let Ok(sdp) = sdp {  in test_unmarshal_non_nil_address()
586         let output = sdp.marshal();  in test_unmarshal_non_nil_address()