73     type Subject = MediaTrackSetting;  typedef
80             let actual = Subject::from(true);  in bool()
81             let expected = Subject::Bool(true);  in bool()
88             let actual = Subject::from(42);  in integer()
89             let expected = Subject::Integer(42);  in integer()
96             let actual = Subject::from(4.2);  in float()
97             let expected = Subject::Float(4.2);  in float()
104             let actual = Subject::from("string".to_owned());  in string()
105             let expected = Subject::String("string".to_owned());  in string()
113         assert_eq!(Subject::from(true).to_string(), "true");  in to_string()
114         assert_eq!(Subject::from(42).to_string(), "42");  in to_string()
115         assert_eq!(Subject::from(4.2).to_string(), "4.2");  in to_string()
116         assert_eq!(Subject::from("string".to_owned()).to_string(), "\"string\"");  in to_string()
127     type Subject = MediaTrackSetting;  typedef
131         let subject = Subject::Bool(true);  in bool()
139         let subject = Subject::Integer(42);  in integer()
147         let subject = Subject::Float(4.2);  in float()
155         let subject = Subject::String("string".to_owned());  in string()