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authorValentin Popov <valentin@popov.link>2024-01-08 00:21:28 +0300
committerValentin Popov <valentin@popov.link>2024-01-08 00:21:28 +0300
commit1b6a04ca5504955c571d1c97504fb45ea0befee4 (patch)
tree7579f518b23313e8a9748a88ab6173d5e030b227 /vendor/strsim/tests/lib.rs
parent5ecd8cf2cba827454317368b68571df0d13d7842 (diff)
downloadfparkan-1b6a04ca5504955c571d1c97504fb45ea0befee4.tar.xz
fparkan-1b6a04ca5504955c571d1c97504fb45ea0befee4.zip
Initial vendor packages
Signed-off-by: Valentin Popov <valentin@popov.link>
Diffstat (limited to 'vendor/strsim/tests/lib.rs')
-rw-r--r--vendor/strsim/tests/lib.rs71
1 files changed, 71 insertions, 0 deletions
diff --git a/vendor/strsim/tests/lib.rs b/vendor/strsim/tests/lib.rs
new file mode 100644
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+++ b/vendor/strsim/tests/lib.rs
@@ -0,0 +1,71 @@
+extern crate strsim;
+
+use strsim::{
+ damerau_levenshtein, hamming, jaro, jaro_winkler, levenshtein, normalized_damerau_levenshtein,
+ normalized_levenshtein, osa_distance,
+};
+
+macro_rules! assert_delta {
+ ($x:expr, $y:expr) => {
+ assert_delta!($x, $y, 1e-5);
+ };
+ ($x:expr, $y:expr, $d:expr) => {
+ if ($x - $y).abs() > $d {
+ panic!(
+ "assertion failed: actual: `{}`, expected: `{}`: \
+ actual not within < {} of expected",
+ $x, $y, $d
+ );
+ }
+ };
+}
+
+#[test]
+fn hamming_works() {
+ match hamming("hamming", "hammers") {
+ Ok(distance) => assert_eq!(3, distance),
+ Err(why) => panic!("{:?}", why),
+ }
+}
+
+#[test]
+fn levenshtein_works() {
+ assert_eq!(3, levenshtein("kitten", "sitting"));
+}
+
+#[test]
+fn normalized_levenshtein_works() {
+ assert_delta!(0.57142, normalized_levenshtein("kitten", "sitting"));
+}
+
+#[test]
+fn osa_distance_works() {
+ assert_eq!(3, osa_distance("ac", "cba"));
+}
+
+#[test]
+fn damerau_levenshtein_works() {
+ assert_eq!(2, damerau_levenshtein("ac", "cba"));
+}
+
+#[test]
+fn normalized_damerau_levenshtein_works() {
+ assert_delta!(
+ 0.27272,
+ normalized_damerau_levenshtein("levenshtein", "löwenbräu")
+ );
+}
+
+#[test]
+fn jaro_works() {
+ assert_delta!(
+ 0.392,
+ jaro("Friedrich Nietzsche", "Jean-Paul Sartre"),
+ 0.001
+ );
+}
+
+#[test]
+fn jaro_winkler_works() {
+ assert_delta!(0.866, jaro_winkler("cheeseburger", "cheese fries"), 0.001);
+}