in src/defs/eif_hasher.rs [152:161]
fn invalid_block_size() {
let hasher = EifHasher::new(31, Sha256::new());
assert!(hasher.is_err());
let hasher = EifHasher::new(63, Sha512::new());
assert!(hasher.is_err());
let hasher = EifHasher::new(47, Sha384::new());
assert!(hasher.is_err())
}