use gix_object::tree::{EntryKind, EntryMode}; #[test]fn size_in_bytes() {    assert_eq!(        std::mem::size_of::<EntryMode>(),        2,        "it should not change without notice"    );} #[test]fn is_methods() {    fn mode(kind: EntryKind) -> EntryMode {        kind.into()    }     assert!(mode(EntryKind::Blob).is_blob());    assert!(EntryMode::from_bytes(b"100645").unwrap().is_blob());    assert_eq!(EntryMode::from_bytes(b"100645").unwrap().kind(), EntryKind::Blob);    assert!(!EntryMode::from_bytes(b"100675").unwrap().is_executable());    assert!(EntryMode::from_bytes(b"100700").unwrap().is_executable());    assert_eq!(        EntryMode::from_bytes(b"100700").unwrap().kind(),        EntryKind::BlobExecutable    );    assert!(!mode(EntryKind::Blob).is_link());    assert!(mode(EntryKind::BlobExecutable).is_blob());    assert!(mode(EntryKind::BlobExecutable).is_executable());    assert!(mode(EntryKind::Blob).is_blob_or_symlink());    assert!(mode(EntryKind::BlobExecutable).is_blob_or_symlink());     assert!(!mode(EntryKind::Link).is_blob());    assert!(mode(EntryKind::Link).is_link());    assert!(EntryMode::from_bytes(b"121234").unwrap().is_link());    assert_eq!(EntryMode::from_bytes(b"121234").unwrap().kind(), EntryKind::Link);    assert!(mode(EntryKind::Link).is_blob_or_symlink());    assert!(mode(EntryKind::Tree).is_tree());    assert!(EntryMode::from_bytes(b"040101").unwrap().is_tree());    assert_eq!(EntryMode::from_bytes(b"040101").unwrap().kind(), EntryKind::Tree);    assert!(EntryMode::from_bytes(b"40101").unwrap().is_tree());    assert_eq!(EntryMode::from_bytes(b"40101").unwrap().kind(), EntryKind::Tree);    assert!(mode(EntryKind::Commit).is_commit());    assert!(EntryMode::from_bytes(b"167124").unwrap().is_commit());    assert_eq!(EntryMode::from_bytes(b"167124").unwrap().kind(), EntryKind::Commit);    assert_eq!(        EntryMode::from_bytes(b"000000").unwrap().kind(),        EntryKind::Commit,        "commit is really 'anything else' as `kind()` can't fail"    );} #[test]fn as_bytes() {    let mut buf = Default::default();    for (mode, expected) in [        (EntryMode::from(EntryKind::Tree), EntryKind::Tree.as_octal_str()),        (EntryKind::Blob.into(), EntryKind::Blob.as_octal_str()),        (            EntryKind::BlobExecutable.into(),            EntryKind::BlobExecutable.as_octal_str(),        ),        (EntryKind::Link.into(), EntryKind::Link.as_octal_str()),        (EntryKind::Commit.into(), EntryKind::Commit.as_octal_str()),        (            EntryMode::from_bytes(b"100744 ".as_ref()).expect("valid"),            "100744".into(),        ),        (            EntryMode::from_bytes(b"100644 ".as_ref()).expect("valid"),            "100644".into(),        ),        (            EntryMode::from_bytes(b"040000".as_ref()).expect("valid"),            "040000".into(),        ),        (EntryMode::from_bytes(b"40000".as_ref()).expect("valid"), "40000".into()),    ] {        assert_eq!(mode.as_bytes(&mut buf), expected);    }}