module Main (main, spec) where import Test.Hspec import Test.QuickCheck main :: IO () main = hspec spec spec :: Spec spec = do describe "reverse" $ do it "reverses a list" $ do reverse [1 :: Int, 2, 3] `shouldBe` [3, 2, 1] it "gives the original list, if applied twice" $ property $ \xs -> (reverse . reverse) xs == (xs :: [Int])