pull/388/head
Blaž Hrastnik 3 years ago
parent 6214d707f3
commit 51162ae6b2

@ -163,7 +163,7 @@ impl ChangeSet {
head_a = a;
head_b = changes_b.next();
}
(None, _) | (_, None) => return unreachable!(),
(None, val) | (val, None) => return unreachable!("({:?})", val),
(Some(Retain(i)), Some(Retain(j))) => match i.cmp(&j) {
Ordering::Less => {
changes.retain(i);
@ -195,7 +195,7 @@ impl ChangeSet {
Ordering::Greater => {
// TODO: cover this with a test
// figure out the byte index of the truncated string end
let (pos, _) = s.char_indices().nth(len - j).unwrap();
let (pos, _) = s.char_indices().nth(j).unwrap();
s.pop_front(pos as u32);
head_a = Some(Insert(s));
head_b = changes_b.next();
@ -599,7 +599,7 @@ mod test {
};
let b = ChangeSet {
changes: vec![Delete(10), Insert("world".into()), Retain(5)],
changes: vec![Delete(10), Insert("orld".into()), Retain(5)],
len: 15,
len_after: 10,
};
@ -610,7 +610,7 @@ mod test {
let composed = a.compose(b);
assert_eq!(composed.len, 8);
assert!(composed.apply(&mut text));
assert_eq!(text, "world! abc");
assert_eq!(text, "orld! abc");
}
#[test]

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