mod valid {    use bstr::ByteSlice;    use git_validate;    macro_rules! mktest {        ($name:ident, $input:expr) => {            #[test]            fn $name() {                assert!(git_validate::refname($input.as_bstr()).is_ok())            }        };    }     mktest!(a_path, b"/refs/heads/main");    mktest!(a_path_with_underscores_and_dashes, b"/refs/heads/main-2nd_ext");    mktest!(uppercase_name, b"Main");    mktest!(all_uppercase, b"MAIN");} mod invalid {    // use git_ref::validate;     // macro_rules! mktest {    //     ($name:ident, $input:literal, $expected:ident) => {    //         #[test]    //         fn $name() {    //             match git_validate::refname($input.as_bstr()) {    //                 Err(validate::refname::Error::$expected) => {}    //                 got => panic!("Wanted {}, got {:?}", stringify!($expected), got),    //             }    //         }    //     };    // }     // mktest!(lowercase_name_without_path, b"main");    // mktest!(starts_with_underscore, b"_private");    // mktest!(ends_with_underscore, b"private_");    // mktest!(starts_with_slash, b"/etc/foo");    // mktest!(refs_starts_with_slash, b"/refs/heads/main");    // mktest!(ends_with_slash, b"refs/heads/main/");    // mktest!(a_path_with_duplicate_slashes, b"refs//heads/main");}