9 files changed, 53 insertions, 3 deletions

diff --git a/2025/ocaml/lib/application/day_1.ml b/2025/ocaml/lib/application/d01p01.ml
index bc0d5cc..75e1b17 100644
--- a/2025/ocaml/lib/application/day_1.ml
+++ b/2025/ocaml/lib/application/d01p01.ml
@@ -1,4 +1,4 @@
-open Domain.Day_1
+open Domain.D01p01
 
 let rec input_to_lines input =
   let lines =
diff --git a/2025/ocaml/lib/application/day_1.mli b/2025/ocaml/lib/application/d01p01.mli
index 73631f1..73631f1 100644
--- a/2025/ocaml/lib/application/day_1.mli
+++ b/2025/ocaml/lib/application/d01p01.mli
diff --git a/2025/ocaml/lib/domain/day_1.ml b/2025/ocaml/lib/domain/d01p01.ml
index 6b531f4..6b531f4 100644
--- a/2025/ocaml/lib/domain/day_1.ml
+++ b/2025/ocaml/lib/domain/d01p01.ml
diff --git a/2025/ocaml/test/application/dune b/2025/ocaml/test/application/dune
index 785d27e..fc384d8 100644
--- a/2025/ocaml/test/application/dune
+++ b/2025/ocaml/test/application/dune
@@ -1,6 +1,6 @@
 (tests
  (names
-   test_example)
+   test_d01p01)
  (libraries
    application
    domain
diff --git a/2025/ocaml/test/application/test_d01p01.ml b/2025/ocaml/test/application/test_d01p01.ml
new file mode 100644
index 0000000..223fd2b
--- /dev/null
+++ b/2025/ocaml/test/application/test_d01p01.ml
@@ -0,0 +1,21 @@
+open Application.D01p01
+
+let example_data = {|L68
+L30
+R48
+L5
+R60
+L55
+L1
+L99
+R14
+L82|}
+
+let test_full_given_example () =
+  Alcotest.(check int) "full given example" 3 (solve example_data ())
+
+let () =
+  let open Alcotest in
+  run "Day_1"
+    [ ( "given-example"
+      , [test_case "full given example" `Quick test_full_given_example] ) ]
diff --git a/2025/ocaml/test/application/test_example.ml b/2025/ocaml/test/application/test_example.ml
deleted file mode 100644
index e69de29..0000000
--- a/2025/ocaml/test/application/test_example.ml
+++ /dev/null
diff --git a/2025/ocaml/test/domain/dune b/2025/ocaml/test/domain/dune
index 8bd0a52..e3dda1a 100644
--- a/2025/ocaml/test/domain/dune
+++ b/2025/ocaml/test/domain/dune
@@ -1,6 +1,6 @@
 (tests
  (names
-   test_example)
+   test_d01p01)
  (libraries
    domain
    alcotest))
diff --git a/2025/ocaml/test/domain/test_d01p01.ml b/2025/ocaml/test/domain/test_d01p01.ml
new file mode 100644
index 0000000..e51d9a6
--- /dev/null
+++ b/2025/ocaml/test/domain/test_d01p01.ml
@@ -0,0 +1,29 @@
+open Domain.D01p01
+
+let test_start () =
+  Alcotest.(check int) "incorrect starting state" 50 (Dial.to_int Dial.start)
+
+let test_turn desc exp dir =
+  Alcotest.(check int) desc exp (Dial.to_int (Dial.turn Dial.start dir))
+
+let test_turn_left_one () =
+  test_turn "incorrect result when turning left one step" 49 (Dial.Left 1)
+
+let test_turn_left_100 () =
+  test_turn "incorrect result when turning left 100 steps" 50 (Dial.Left 100)
+
+let test_turn_right_one () =
+  test_turn "incorrect result when turning right one step" 51 (Dial.Right 1)
+
+let test_turn_right_100 () =
+  test_turn "incorrect result when turning right 100 steps" 50 (Dial.Right 100)
+
+let () =
+  let open Alcotest in
+  run "Day_1"
+    [ ("initial-state", [test_case "starting state" `Quick test_start])
+    ; ( "turning-dial"
+      , [ test_case "turning left one step" `Quick test_turn_left_one
+        ; test_case "turning right one step" `Quick test_turn_right_one
+        ; test_case "turning left 100 steps" `Quick test_turn_left_100
+        ; test_case "turning right 100 steps" `Quick test_turn_right_100 ] ) ]
diff --git a/2025/ocaml/test/domain/test_example.ml b/2025/ocaml/test/domain/test_example.ml
deleted file mode 100644
index e69de29..0000000
--- a/2025/ocaml/test/domain/test_example.ml
+++ /dev/null