spooky/test/test_spooky.ml

80 lines
1.9 KiB
OCaml

let valid_program =
{|
struct Item {
int value;
};
int fold(int[] xs) {
int total = 0;
foreach (int x in xs) {
total = total + x;
}
return total;
}
int main() {
int[] xs;
struct Item it;
int y = 2 + 3 * 4;
it.value = y;
if (y >= 0) {
y = fold(xs);
} else {
y = 0;
}
return y;
}
|}
let invalid_program =
{|
int main() {
bool flag = true;
int x = 1;
x = flag;
return x;
}
|}
let test_valid_program () =
match Spooky.parse_and_type_check valid_program with
| Ok _ -> ()
| Error msg -> failwith ("expected valid program, got: " ^ msg)
let test_invalid_program () =
match Spooky.parse_and_type_check invalid_program with
| Ok _ -> failwith "expected type error, but got success"
| Error _ -> ()
let write_file path content =
let oc = open_out_bin path in
Fun.protect ~finally:(fun () -> close_out oc) (fun () -> output_string oc content)
let test_imports () =
let base = Filename.concat (Filename.get_temp_dir_name ()) "spooky_import_test" in
let modules_dir = Filename.concat base "modules" in
Unix.mkdir base 0o755;
Unix.mkdir modules_dir 0o755;
let cleanup () =
(try Sys.remove (Filename.concat modules_dir "math.spooky") with _ -> ());
(try Sys.remove (Filename.concat base "main.spooky") with _ -> ());
(try Unix.rmdir modules_dir with _ -> ());
(try Unix.rmdir base with _ -> ())
in
Fun.protect
~finally:cleanup
(fun () ->
write_file (Filename.concat modules_dir "math.spooky")
"int add(int a, int b) { return a + b; }\n";
write_file (Filename.concat base "main.spooky")
"import \"modules/math.spooky\";\nint main() { return add(1, 2); }\n";
match Spooky.parse_and_type_check_file (Filename.concat base "main.spooky") with
| Ok _ -> ()
| Error msg -> failwith ("expected valid import program, got: " ^ msg))
let () =
test_valid_program ();
test_invalid_program ();
test_imports ();
print_endline "All parser/type-check tests passed."