use bstr::ByteSlice;use git_object::{decode, encode, Kind, ObjectRef}; #[test]fn all() -> Result<(), Box<dyn std::error::Error>> {    for (kind, size, expected) in &[        (Kind::Tree, 1234, "tree 1234\0".as_bytes()),        (Kind::Blob, 0, b"blob 0\0"),        (Kind::Commit, 24241, b"commit 24241\0"),        (Kind::Tag, 9999999999, b"tag 9999999999\0"),    ] {        let buf = encode::loose_header(*kind, *size);        assert_eq!(buf.as_bstr(), expected.as_bstr());        let (actual_kind, actual_size, actual_read) = decode::loose_header(&buf)?;        assert_eq!(actual_kind, *kind);        assert_eq!(actual_size, *size);        assert_eq!(actual_read, buf.len());    }    Ok(())} #[test]fn shorter_than_advertised() {    assert_eq!(        ObjectRef::from_loose(b"tree 1000\x00").unwrap_err().to_string(),        "object data was shorter than its size declared in the header"    );}