mod is_absolute {    #[test]    fn absolute_linux_path_is_true() {        assert!(gix_path::is_absolute("/"));        assert!(gix_path::is_absolute("/abs/path"));    }     #[test]    fn relative_linux_path_is_false() {        assert!(!gix_path::is_absolute("./relative/path"));        assert!(!gix_path::is_absolute("relative/path"));    }     #[cfg(not(windows))]    mod not_on_windows {        #[test]        fn drive_prefixes_are_false() {            assert!(!gix_path::is_absolute(r"c:\abs/path"));            assert!(!gix_path::is_absolute(r"c:\abs\path"));        }    }     #[cfg(windows)]    mod on_windows {        #[test]        fn drive_prefixes_are_true() {            assert!(gix_path::is_absolute(r"c:\abs/path"));            assert!(gix_path::is_absolute(r"c:\abs\path"));        }         #[test]        fn relative_paths_with_backslashes_are_false() {            assert!(!gix_path::is_absolute(r".\rel/path"));            assert!(!gix_path::is_absolute(r"rel\path"));        }         #[test]        fn path_starting_with_backslash_is_false() {            assert!(!gix_path::is_absolute(r"\rel\path"));        }    }}