ligo/test/typer_tests.ml
2019-09-08 12:17:24 +02:00

82 lines
2.7 KiB
OCaml

open Trace
open Ligo.AST_Simplified
open Test_helpers
module Typed = Ligo.AST_Typed
module Typer = Ligo.Typer
module Simplified = Ligo.AST_Simplified
let int () : unit result =
let open Combinators in
let pre = e_int 32 in
let open Typer in
let e = Environment.full_empty in
let%bind post = type_expression e pre in
let open! Typed in
let open Combinators in
let%bind () = assert_type_value_eq (post.type_annotation, t_int ()) in
ok ()
module TestExpressions = struct
let test_expression ?(env = Typer.Environment.full_empty)
(expr : expression)
(test_expected_ty : Typed.tv) =
let pre = expr in
let open Typer in
let open! Typed in
let%bind post = type_expression env pre in
let%bind () = assert_type_value_eq (post.type_annotation, test_expected_ty) in
ok ()
module I = Simplified.Combinators
module O = Typed.Combinators
module E = O
let unit () : unit result = test_expression I.(e_unit ()) O.(t_unit ())
let int () : unit result = test_expression I.(e_int 32) O.(t_int ())
let bool () : unit result = test_expression I.(e_bool true) O.(t_bool ())
let string () : unit result = test_expression I.(e_string "s") O.(t_string ())
let bytes () : unit result =
let%bind b = I.e_bytes "0b" in
test_expression b O.(t_bytes ())
let lambda () : unit result =
test_expression
I.(e_lambda "x" (Some t_int) (Some t_int) (e_var "x"))
O.(t_function (t_int ()) (t_int ()) ())
let tuple () : unit result =
test_expression
I.(e_tuple [e_int 32; e_string "foo"])
O.(t_tuple [t_int (); t_string ()] ())
let constructor () : unit result =
let variant_foo_bar =
O.[("foo", t_int ()); ("bar", t_string ())]
in test_expression
~env:(E.env_sum_type variant_foo_bar)
I.(e_constructor "foo" (e_int 32))
O.(make_t_ez_sum variant_foo_bar)
let record () : unit result =
test_expression
I.(ez_e_record [("foo", e_int 32); ("bar", e_string "foo")])
O.(make_t_ez_record [("foo", t_int ()); ("bar", t_string ())])
end
(* TODO: deep types (e.g. record of record)
TODO: negative tests (expected type error) *)
let main = test_suite "Typer (from simplified AST)" [
test "int" int ;
test "unit" TestExpressions.unit ;
test "int2" TestExpressions.int ;
test "bool" TestExpressions.bool ;
test "string" TestExpressions.string ;
test "bytes" TestExpressions.bytes ;
test "tuple" TestExpressions.tuple ;
test "constructor" TestExpressions.constructor ;
test "record" TestExpressions.record ;
test "lambda" TestExpressions.lambda ;
]