diff --git a/test/test_all.scad b/test/test_all.scad
index 4e6f742b..3e3a9400 100644
--- a/test/test_all.scad
+++ b/test/test_all.scad
@@ -73,6 +73,7 @@ include <util/test_zip.scad>;
 include <util/test_some.scad>;
 include <util/test_every.scad>;
 include <util/test_shuffle.scad>;
+include <util/test_find_index.scad>;
 include <util/test_spherical_coordinate.scad>;
 include <util/set/test_hashset.scad>;
 include <util/map/test_hashmap.scad>;
diff --git a/test/util/test_find_index.scad b/test/util/test_find_index.scad
new file mode 100644
index 00000000..2a83d875
--- /dev/null
+++ b/test/util/test_find_index.scad
@@ -0,0 +1,10 @@
+use <unittest.scad>;
+use <util/find_index.scad>;
+
+module test_find_index() {
+    echo("==== test_find_index ====");
+
+    assert(find_index([10, 20, 30, 40], function(e) e > 10) == 1);
+}
+
+test_find_index();
\ No newline at end of file