Add more tests

1 files changed, 9 insertions, 1 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 5f0903a..82a28d5 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -38,9 +38,17 @@ mod tests {
     #[test_case(&[0, 1, 0],  1)]
     #[test_case(&[0, 0, 0],  0)]
     #[test_case(&[4, 1000, 1, 1, 1, 1],  1)]
-    fn test(arr: &[usize], expected_idx: usize) {
+    fn test_some(arr: &[usize], expected_idx: usize) {
         let idx = brutal(arr);
 
         assert_eq!(idx, Some(expected_idx));
     }
+
+    #[test_case(&[4, 1000, 1, 10, 1, 1])]
+    #[test_case(&[1, 2, 3, 4, 5])]
+    fn test_none(arr: &[u32]) {
+        let idx = brutal(arr);
+
+        assert_eq!(idx, None);
+    }
 }