#[path = "../../../os-turkfs-journal/src/lib.rs"]
mod journal;
use journal::{Error, Kind, parse};
const GOOD: &[u8; 128] = include_bytes!("fixtures/turkfs-journal-v1.bin");

#[test]
fn os_turkfs_journal_format_positive() {
    let transaction = parse(GOOD, 2048, 7).unwrap();
    assert_eq!(transaction.sequence, 7);
    assert_eq!(transaction.records.map(|record| record.kind), [Kind::Inode, Kind::Bitmap, Kind::Directory]);
    assert_eq!(transaction.records.map(|record| record.block), [120, 128, 136]);
    assert_eq!(transaction.records.map(|record| record.payload), [[0x11; 16], [0x22; 16], [0x33; 16]]);
}

#[test]
fn os_turkfs_journal_format_negative() {
    for length in [0, 8, 31, 32, 127] {
        assert_eq!(parse(&GOOD[..length], 2048, 7), Err(Error::Truncated));
    }
    let mut extended = [0; 129]; extended[..128].copy_from_slice(GOOD);
    assert_eq!(parse(&extended, 2048, 7), Err(Error::Trailing));
    let mut old = *GOOD; old[8] = 2;
    assert_eq!(parse(&old, 2048, 7), Err(Error::Version));
    let mut corrupt = *GOOD; corrupt[127] ^= 1;
    assert_eq!(parse(&corrupt, 2048, 7), Err(Error::Checksum));
    assert_eq!(parse(GOOD, 2048, 8), Err(Error::Sequence));
    assert_eq!(parse(GOOD, 128, 7), Err(Error::BlockRange));
    assert_eq!(parse(include_bytes!("fixtures/turkfs-journal-bad-order.bin"), 2048, 7), Err(Error::RecordOrder));
    assert_eq!(parse(include_bytes!("fixtures/turkfs-journal-duplicate-block.bin"), 2048, 7), Err(Error::DuplicateBlock));
    assert_eq!(parse(include_bytes!("fixtures/turkfs-journal-duplicate-kind.bin"), 2048, 7), Err(Error::DuplicateKind));
}