#[test]
pub fn test_pattern() {

    let pattern = x::pattern!("E8 [0-4] BB ");
    let buffer: &[u8] = &[ 0xAA, 0xE8, 0xBB, 0xE8, 0x00, 0xBB, ];

    let mut scanner = x::Scanner::new(buffer, pattern, ..);
    let mut saves = [0usize;8];

    assert!(scanner.next(&mut saves));
    assert_eq!(saves[0], 1);
    assert!(scanner.next(&mut saves));
    assert_eq!(saves[0], 3);
}