symantic-lib/Language/Symantic/Typing/Test.hs

   1 {-# LANGUAGE UndecidableInstances #-}
   2 {-# OPTIONS_GHC -fno-warn-orphans #-}
   3 {-# OPTIONS_GHC -O0 -fmax-simplifier-iterations=0 #-}
   4 module Typing.Test where
   5
   6 import Test.Tasty
   7 import Test.Tasty.HUnit
   8
   9 import Control.Applicative (Applicative(..))
  10 import Control.Arrow (left)
  11 import Data.Maybe (isJust)
  12 import Data.Proxy
  13 import GHC.Exts (Constraint)
  14 import Prelude hiding (exp)
  15 import qualified Text.Megaparsec as P
  16
  17 import Language.Symantic.Parsing
  18 import Language.Symantic.Typing
  19 import Language.Symantic.Lib ()
  20 import Language.Symantic.Lib.Lambda ((~>))
  21 import Language.Symantic.Helper.Data.Type.List
  22
  23 import Parsing.Test
  24
  25 -- * Tests
  26 type Tys = Constants ++ '[Proxy String]
  27 instance
  28  ( ParsecC e s
  29  , Gram_Meta meta (P.ParsecT e s m)
  30  ) => Gram_Type meta (P.ParsecT e s m)
  31
  32 tests :: TestTree
  33 tests = testGroup "Typing" $
  34  [ testGroup "compile_Type" $
  35         let (==>) inp exp = testCase inp $ got @?= Right (Right exp)
  36                 where
  37                 got :: Either (P.ParseError Char P.Dec)
  38                               (Either (Error_Type P.SourcePos '[Proxy Token_Type])
  39                                       (EType Tys))
  40                 got = (compile_EType <$>) $ (`runParser` inp) $ unCF p
  41                 p :: Gram_Type P.SourcePos p => CF p (TokType P.SourcePos)
  42                 p = typeG <* eoi in
  43         uncurry (==>) <$>
  44          [ ("Bool", EType $ ty @Bool)
  45          , ("[]", EType $ ty @[])
  46          , ("[Char]", EType $ ty @[] :$ ty @Char)
  47          , ("[Char -> [Char]]", EType $ ty @[] :$ (ty @Char ~> ty @[] :$ ty @Char))
  48          , ("([])", EType $ ty @[])
  49          , ("[()]", EType $ ty @[] :$ ty @())
  50          , ("()", EType $ ty @())
  51          , ("(())", EType $ ty @())
  52          , ("(,)", EType $ ty @(,))
  53          , ("((,))", EType $ ty @(,))
  54          , ("(,) Int", EType $ ty @(,) :$ ty @Int)
  55          , ("(Bool)", EType $ ty @Bool)
  56          , ("((Bool))", EType $ ty @Bool)
  57          , ("(Bool, Int)", EType $ ty @(,) :$ ty @Bool :$ ty @Int)
  58          , ("((Bool, Int))", EType $ ty @(,) :$ ty @Bool :$ ty @Int)
  59          , ("((Bool, Int), Char)", EType $ ty @(,) :$ (ty @(,) :$ ty @Bool :$ ty @Int) :$ ty @Char)
  60          , ("(Bool, Int) -> Char", EType $ (ty @(,) :$ ty @Bool :$ ty @Int) ~> ty @Char)
  61          , ("(Bool -> Int)", EType $ ty @Bool ~> ty @Int)
  62          , ("String", EType $ ty @[] :$ ty @Char)
  63          , ("[Char] -> String", EType $ (ty @[] :$ ty @Char) ~> (ty @[] :$ ty @Char))
  64          , ("String -> [Char]", EType $ (ty @[] :$ ty @Char) ~> (ty @[] :$ ty @Char))
  65          , ("Maybe Bool", EType $ ty @Maybe :$ ty @Bool)
  66          , ("Either Bool Int", EType $ ty @Either :$ ty @Bool :$ ty @Int)
  67          , ("Bool -> Int", EType $ ty @Bool ~> ty @Int)
  68          , ("(Bool -> Int) -> Char", EType $ (ty @Bool ~> ty @Int) ~> ty @Char)
  69          , ("Bool -> (Int -> Char)", EType $ ty @Bool ~> (ty @Int ~> ty @Char))
  70          , ("Bool -> Int -> Char", EType $ ty @Bool ~> ty @Int ~> ty @Char)
  71          , ("Bool -> (Int -> Char) -> ()", EType $ ty @Bool ~> (ty @Int ~> ty @Char) ~> ty @())
  72          , ("IO", EType $ ty @IO)
  73          , ("Eq", EType $ ty @Eq)
  74          , ("Eq Bool", EType $ ty @Eq :$ ty @Bool)
  75          , ("Traversable IO", EType $ ty @Traversable :$ ty @IO)
  76          , ("Monad IO", EType $ ty @Monad :$ ty @IO)
  77          , ("(->) Bool", EType $ ty @(->) :$ ty @Bool)
  78          , ("(->) (IO Bool)", EType $ ty @(->) :$ (ty @IO :$ ty @Bool))
  79          , ("Monad IO", EType $ ty @Monad :$ ty @IO)
  80          ]
  81          , testGroup "Parsing errors" $
  82                 let (==>) inp _exp = testCase inp $ got @?= Left ()
  83                         where
  84                         got :: Either () (TokType P.SourcePos)
  85                         got = left (const ()) $ (`runParser` inp) $ unCF p
  86                         p :: Gram_Type P.SourcePos p => CF p (TokType P.SourcePos)
  87                         p = typeG <* eoi in
  88                 uncurry (==>) <$>
  89                  [ ("Bool, Int", ())
  90                  , ("(Bool -> Int) Char", ())
  91                  ]
  92          , testGroup "Compiling errors" $
  93                 let (==>) inp _exp = testCase inp $ got @?= Right (Left ())
  94                         where
  95                         got :: Either (P.ParseError Char P.Dec) (Either () (EType Tys))
  96                         got = (left (const ()) . compile_EType <$>) $ (`runParser` inp) $ unCF p
  97                         p :: Gram_Type P.SourcePos p => CF p (TokType P.SourcePos)
  98                         p = typeG <* eoi in
  99                 uncurry (==>) <$>
 100                  [ ("NonExistingType", ())
 101                  , ("Bool Int", ())
 102                  , ("[IO]", ())
 103                  , ("(->) IO", ())
 104                  , ("(->) Bool Int Char", ())
 105                  , ("Monad Eq", ())
 106                  ]
 107  , testGroup "proj_TyCon" $
 108         let (==>) (typ::Type Constants (h::Constraint)) expected =
 109                 testCase (show_Type typ) $
 110                 isJust (proj_TyCon typ) @?= expected in
 111          [ ty @Eq :$ ty @Bool ==> True
 112          , ty @Ord :$ ty @Bool ==> True
 113          , ty @Functor :$ ty @Maybe ==> True
 114          , ty @Functor :$ ty @IO ==> True
 115          , ty @Monad :$ ty @IO ==> True
 116          , ty @Traversable :$ ty @IO ==> False
 117          ]
 118  ]