File size: 1,380 Bytes
ea39c0e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | use pretty_assertions::assert_eq;
use super::MAX_PENDING_BYTES;
use super::OrderedCiphertextFrames;
#[test]
fn releases_ciphertexts_only_in_nonce_order() {
let mut frames = OrderedCiphertextFrames::default();
assert_eq!(
frames.push(/*seq*/ 1, b"second".to_vec()).unwrap(),
Vec::<Vec<u8>>::new()
);
assert_eq!(
frames.push(/*seq*/ 0, b"first".to_vec()).unwrap(),
vec![b"first".to_vec(), b"second".to_vec()]
);
}
#[test]
fn ignores_duplicate_ciphertexts_without_replacing_buffered_record() {
let mut frames = OrderedCiphertextFrames::default();
assert_eq!(
frames.push(/*seq*/ 1, b"first copy".to_vec()).unwrap(),
Vec::<Vec<u8>>::new()
);
assert_eq!(
frames.push(/*seq*/ 1, b"replacement".to_vec()).unwrap(),
Vec::<Vec<u8>>::new()
);
assert_eq!(
frames.push(/*seq*/ 0, b"zero".to_vec()).unwrap(),
vec![b"zero".to_vec(), b"first copy".to_vec()]
);
assert_eq!(
frames.push(/*seq*/ 0, b"duplicate".to_vec()).unwrap(),
Vec::<Vec<u8>>::new()
);
}
#[test]
fn rejects_unbounded_reordering() {
let mut frames = OrderedCiphertextFrames::default();
assert!(frames.push(/*seq*/ 65, Vec::new()).is_err());
assert!(
frames
.push(/*seq*/ 1, vec![0; MAX_PENDING_BYTES + 1])
.is_err()
);
}
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