symantic-lib/test/HUnit/Applicative.hs

   1 {-# OPTIONS_GHC -fno-warn-missing-signatures #-}
   2 module HUnit.Applicative where
   3
   4 import Test.Tasty
   5 import Control.Applicative (Applicative)
   6 import Data.Bool
   7 import Data.Either (Either(..))
   8 import Data.Functor (Functor)
   9 import Data.Maybe (Maybe(..))
  10 import Data.Proxy (Proxy(..))
  11 import Prelude (Integer)
  12
  13 import Language.Symantic.Lib
  14 import Testing.Compiling
  15 import HUnit.Bool ()
  16
  17 type SS =
  18  [ Proxy (->)
  19  , Proxy Integer
  20  , Proxy Bool
  21  , Proxy Maybe
  22  , Proxy Functor
  23  , Proxy Applicative
  24  ]
  25 (==>) = readTe @() @SS
  26
  27 hunits :: TestTree
  28 hunits = testGroup "Applicative"
  29  [ "Just (xor True) <*> Just True"    ==> Right (tyMaybe tyBool, Just False, "Just (\\x0 -> True `xor` x0) <*> Just True")
  30  , "Just (xor True) <*> Nothing"      ==> Right (tyMaybe tyBool, Nothing   , "Just (\\x0 -> True `xor` x0) <*> Nothing")
  31  , "xor <$> Just True <*> Just False" ==> Right (tyMaybe tyBool, Just True , "(\\x0 -> (\\x1 -> x0 `xor` x1)) <$> Just True <*> Just False")
  32  , "Just False <* Just True"          ==> Right (tyMaybe tyBool, Just False, "Just False <* Just True")
  33  , "Just False *> Just True"          ==> Right (tyMaybe tyBool, Just True , "Just False *> Just True")
  34  ]