This repository has been archived on 2024-10-24. You can view files and clone it, but cannot push or open issues or pull requests.
fradrive-old/test/Test/QuickCheck/Classes/Binary.hs

23 lines
658 B
Haskell

module Test.QuickCheck.Classes.Binary
( binaryLaws
) where
import ClassyPrelude
import Test.QuickCheck
import Test.QuickCheck.Classes
import Data.Proxy (Proxy(..))
import Data.Binary
import Data.Binary.Put
binaryLaws :: forall a. (Arbitrary a, Binary a, Eq a, Show a) => Proxy a -> Laws
binaryLaws _ = Laws "Binary"
[ ("Partial Isomorphism", property $ \(a :: a) -> decode' (encode a) === Just a)
, ("Valid list encoding", property $ \(as :: [a]) -> runPut (putList as) === runPut (put as))
]
where decode' inp = case decodeOrFail inp of
Right (unc, _, res)
| null unc -> Just res
_other
-> Nothing