1
588 
pub fn check_rem(rem: &[u8], expected_len: usize) {
2
588 
    if rem.len() != expected_len {
3 
        let str = String::from_utf8(rem.to_vec()).unwrap();
4 
        println!("rem: {str}");
5
588 
    }
6
588 
    assert_eq!(
7
588 
        expected_len,
8
588 
        rem.len(),
9 
        "Remainder length should be {expected_len} but was {}",
10 
        rem.len()
11 
    );
12
588 
}