From a0a2c335b3822df896f51b26ca85fc7cde526088 Mon Sep 17 00:00:00 2001
From: Alexey Solovyev <solovyev.alexey@gmail.com>
Date: Tue, 2 May 2023 21:33:20 -0600
Subject: [PATCH] Update OCaml snippets

---
 code_challenge_examples.yml | 55 ++++++++++++++++++++-----------------
 default_fixture_text.toml   | 23 ++++++++--------
 2 files changed, 41 insertions(+), 37 deletions(-)

diff --git a/code_challenge_examples.yml b/code_challenge_examples.yml
index b56c165..12059b0 100644
--- a/code_challenge_examples.yml
+++ b/code_challenge_examples.yml
@@ -1043,31 +1043,36 @@ ocaml:
   default: reference
   reference:
     setup: |-
-        module Person = struct
-            type t = { name: string }
-            let greet (person: t) = (* TODO: write a greeter *)
-        end
-
-    answer: |-
-        module Person = struct
-            type t = { name: string }
-            let greet (person: t) = "Hello, " ^ person.name ^ "!"
-        end
-
-    fixture: |-
-        module Tests = struct
-            open OUnit
-            let suite = [
-                "Person module" >:::
-                    [
-                        "test_greet" >:: (fun _ ->
-                            let person : Person.t = { Person.name = "Jack" } in
-                            assert_equal "Hello, Jack!" (Person.greet person)
-                        )
-                    ]
-                ]
-            ;;
-        end
+        let is_even (n: int) = false (* TODO: return true if the number is even *)
+        let is_odd (n: int) = false (* TODO: return true if the number is odd *)
+
+    answer: |-
+        let is_even (n: int) = n mod 2 = 0
+        let is_odd (n: int) = n land 1 <> 0
+
+    fixture: |-
+        open OUnit
+        let suite = [
+            "is_even tests" >:::
+                [
+                    "is_even 0" >:: (fun _ -> 
+                        assert_equal true (Solution.is_even 0) ~printer:string_of_bool ~msg:"n = 0"
+                    );
+                    "is_even 1" >:: (fun _ ->
+                        assert_equal false (Solution.is_even 1) ~printer:string_of_bool ~msg:"n = 1"
+                    );
+                ];
+
+            "is_odd tests" >:::
+                [
+                    "is_odd 0" >:: (fun _ -> 
+                        assert_equal false (Solution.is_odd 0) ~printer:string_of_bool ~msg:"n = 0"
+                    );
+                    "is_even 3" >:: (fun _ ->
+                        assert_equal true (Solution.is_odd 3) ~printer:string_of_bool ~msg:"n = 3"
+                    );
+                ];
+            ]
 
 swift:
   default: reference
diff --git a/default_fixture_text.toml b/default_fixture_text.toml
index c5915ea..5591610 100644
--- a/default_fixture_text.toml
+++ b/default_fixture_text.toml
@@ -510,21 +510,20 @@ objc = """
 ocaml = """
 (* TODO: replace with your own tests, these are just how-to examples.
  * OUnit Spec example:
- * See http://ounit.forge.ocamlcore.org/api-ounit-2.0.0 for documentation
+ * See https://ocaml.org/p/ounit2/2.2.3/doc/index.html for documentation
+ * Available packages: https://docs.codewars.com/languages/ocaml
  *)
 
-module Tests = struct
-    open OUnit
-    let suite = [
-        "Suite Name" >:::
-            [
-                "Test Name" >:: (fun _ ->
-                    assert_equal "Expected" "Actual"
-                )
-            ]
+open Solution
+open OUnit
+let suite = [
+    "Suite Name" >:::
+        [
+            "Test Name" >:: (fun _ ->
+                assert_equal "Expected" "Actual" ~printer:Fun.id ~msg:"test"
+            )
         ]
-    ;;
-end
+    ]
 """
 
 pascal = """