1 files changed, 43 insertions, 0 deletions
diff --git a/users/wpcarro/scratch/compiler/tests.ml b/users/wpcarro/scratch/compiler/tests.ml
new file mode 100644
index 000000000000..828cbd16f090
--- /dev/null
+++ b/users/wpcarro/scratch/compiler/tests.ml
@@ -0,0 +1,43 @@
+open Expr_parser
+open Type_parser
+open Inference
+
+type test = { input : string; expect : string; }
+(* type sub_test = { s1 : string; s2 : string; s3 : string } *)
+
+let ( let* ) = Option.bind
+
+let tests = [
+    { input = "((fn x x) 10)"; expect = "Integer"; };
+    { input = "(let f (fn x x) f)"; expect = "a -> a"; };
+]
+
+(* let sub_tests = [ *)
+(*     { *)
+(*       s1 = "{b |-> b -> Int}"; *)
+(*       s2 = "{a: Bool, b: Int, c: Bool}"; *)
+(*       s3 = "{a: Bool, b: Int -> Int, c: Bool}"; *)
+(*     } *)
+(* ] *)
+
+exception FailedAssertion
+exception TestError
+
+let main =
+  tests
+  |> List.iter (fun { input; expect } ->
+         Printf.sprintf ":t %s == %s\n" input expect |> print_string;
+         match (parse_language input, parse_input expect) with
+         | Some ast, Some expected ->
+            (match do_infer ast with
+             | Some actual ->
+                if actual != expected then
+                  begin
+                    print_type actual;
+                    raise FailedAssertion
+                  end
+                else
+                  print_string "Test passed.\n"
+             | _ -> raise TestError)
+         | _ -> raise TestError);
+  print_string "All tests pass!"