symantic-lib/test/HUnit/Functor.hs

   1 {-# OPTIONS_GHC -fno-warn-missing-signatures #-}
   2 module HUnit.Functor where
   3
   4 import Test.Tasty
   5 import Data.Bool
   6 import Data.Either (Either(..))
   7 import Data.Functor (Functor)
   8 import Data.Maybe (Maybe(..))
   9 import Data.Proxy (Proxy(..))
  10 import Prelude (Integer)
  11
  12 import Language.Symantic ()
  13 import Language.Symantic.Lib
  14 import Testing.Compiling
  15
  16 type SS =
  17  [ Proxy (->)
  18  , Proxy Bool
  19  , Proxy Functor
  20  , Proxy Integer
  21  , Proxy Maybe
  22  ]
  23 (==>) = readTe @() @SS
  24
  25 hunits :: TestTree
  26 hunits = testGroup "Functor"
  27  [ "fmap not (Just True)" ==> Right (tyMaybe tyBool, Just False, "fmap (\\x0 -> not x0) (Just True)")
  28  , "not `fmap` Just True" ==> Right (tyMaybe tyBool, Just False, "fmap (\\x0 -> not x0) (Just True)")
  29  , "not <$> Just True"    ==> Right (tyMaybe tyBool, Just False, "(\\x0 -> not x0) <$> Just True")
  30  , "False <$ Just True"   ==> Right (tyMaybe tyBool, Just False, "False <$ Just True")
  31  ]