1 files changed, 18 insertions, 0 deletions
diff --git a/lib/csc/strings-test.csc b/lib/csc/strings-test.csc
index 1f981ad..95dbb59 100644
--- a/lib/csc/strings-test.csc
+++ b/lib/csc/strings-test.csc
@@ -42,6 +42,24 @@
         (index "def" "a")))
 
 
+    (test last-index-last
+      (assert-equal
+        4
+        (last-index "ababa" "a")))
+
+
+    (test last-index-penultimate
+      (assert-equal
+        4
+        (last-index "ababab" "a")))
+
+
+    (test last-index-notfound
+      (assert-equal
+        -1
+        (last-index "abcdfads" ";")))
+
+
     (test contains
       (assert-equal
         #t