Test DoubleEndedIterator

artichoke · Sep 26, 2023 · 42e1f79 · 42e1f79
1 parent 09e6fe5
commit 42e1f79
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/src/titlecase/ascii.rs b/src/titlecase/ascii.rs
@@ -292,4 +292,17 @@ mod tests {
         assert!(min <= count);
         assert!(count <= max.unwrap());
     }
+
+    #[test]
+    fn double_ended_iterator() {
+        let mut iter = Titlecase::with_slice(b"abc");
+        assert_eq!(iter.next_back(), Some(b'c'));
+        assert_eq!(iter.next_back(), Some(b'b'));
+        assert_eq!(iter.next_back(), Some(b'A'));
+
+        let mut iter = Titlecase::with_slice(b"abc");
+        assert_eq!(iter.next(), Some(b'A'));
+        assert_eq!(iter.next_back(), Some(b'c'));
+        assert_eq!(iter.next_back(), Some(b'B')); // FIXME: Should be 'b'
+    }
 }