use super::*;
#[test]
fn inspection_prefix_capacity_clamps_to_prefix_limit() {
assert_eq!(inspection_prefix_capacity(0), 0);
assert_eq!(inspection_prefix_capacity(1024), 1024);
assert_eq!(
inspection_prefix_capacity((INSPECTION_PREFIX_BYTES as u64) + 1),
INSPECTION_PREFIX_BYTES
);
assert_eq!(
inspection_prefix_capacity(u64::MAX),
INSPECTION_PREFIX_BYTES
);
}
#[test]
fn hash_reader_collects_only_requested_prefix_bytes() {
let mut source = &b"abcdef"[..];
let (hash, prefix) = hash_reader(&mut source, 3).expect("hash");
assert_eq!(hash, hex_lower(&Sha256::digest(b"abcdef")));
assert_eq!(prefix, b"abc");
let mut source = &b"abcdef"[..];
let (_, prefix) = hash_reader(&mut source, 0).expect("hash without prefix");
assert!(prefix.is_empty());
}