Language/Symantic/Lib/Applicative/Test.hs

   1 {-# OPTIONS_GHC -fno-warn-missing-signatures #-}
   2 module Lib.Applicative.Test where
   3
   4 import Test.Tasty
   5
   6 import Data.Proxy (Proxy(..))
   7 import Prelude hiding ((&&), not, (||))
   8
   9 import Language.Symantic.Typing
  10 import Compiling.Term.Test
  11 import Lib.Bool.Test ()
  12
  13 type Ifaces =
  14  [ Proxy (->)
  15  , Proxy Integer
  16  , Proxy Bool
  17  , Proxy Maybe
  18  , Proxy Functor
  19  , Proxy Applicative
  20  ]
  21 (==>) = test_compile (Proxy::Proxy Ifaces)
  22
  23 tests :: TestTree
  24 tests = testGroup "Applicative"
  25  [ "Just (xor True) <*> Just True" ==> Right
  26          ( ty @Maybe :$ ty @Bool
  27          , Just False
  28          , "(\\x0 -> Just ((\\x1 -> (\\x2 -> x1 `xor` x2)) True) <*> x0) (Just True)" )
  29  , "Just (xor True) <*> Nothing @Bool" ==> Right
  30          ( ty @Maybe :$ ty @Bool
  31          , Nothing
  32          , "(\\x0 -> Just ((\\x1 -> (\\x2 -> x1 `xor` x2)) True) <*> x0) Nothing" )
  33  , "xor <$> Just True <*> Just False" ==> Right
  34          ( ty @Maybe :$ ty @Bool
  35          , Just True
  36          , "(\\x0 -> fmap (\\x1 -> (\\x2 -> x1 `xor` x2)) (Just True) <*> x0) (Just False)" )
  37  , "Just False <* Just True" ==> Right
  38          ( ty @Maybe :$ ty @Bool
  39          , Just False
  40          , "Just False <* Just True" )
  41  , "Just False *> Just True" ==> Right
  42          ( ty @Maybe :$ ty @Bool
  43          , Just True
  44          , "Just False *> Just True" )
  45  ]