bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Add test for precise algorithm used

Browse source
This commit is contained in:
Jacob Pratt 2023-02-19 22:59:22 +00:00
parent 20282c1b20
commit ab4c0dd137
No known key found for this signature in database
GPG key ID: 6E2E55C5F9ABB247
1 changed files with 10 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

10
compiler/rustc_span/src/edit_distance/tests.rs
View file

@ -68,3 +68,13 @@ fn test_find_best_match_for_name() {
); );
}) })
} }
#[test]
fn test_precise_algorithm() {
// Not Levenshtein distance.
assert_ne!(edit_distance("ab", "ba", usize::MAX), Some(2));
// Not unrestricted Damerau-Levenshtein distance.
assert_ne!(edit_distance("abde", "bcaed", usize::MAX), Some(3));
// The current implementation is a restricted Damerau-Levenshtein distance.
assert_eq!(edit_distance("abde", "bcaed", usize::MAX), Some(4));
}