module Spec.Eq (testEq) where
import Hedgehog.Classes
import qualified Hedgehog.Gen as Gen
import qualified Hedgehog.Range as Range
ranged :: (Bounded a, Num a) => (Range.Range a -> b) -> b
ranged f = f (Range.constantBounded)
testEq :: [(String, [Laws])]
testEq =
[ ("Int", listInt)
, ("Int8", listInt8)
, ("Int16", listInt16)
, ("Int32", listInt32)
, ("Int64", listInt64)
, ("Word", listWord)
, ("Word8", listWord8)
, ("Word16", listWord16)
, ("Word32", listWord32)
, ("Word64", listWord64)
-- , ("BadEq", listBadEq)
]
listInt, listInt8, listInt16, listInt32, listInt64 :: [Laws]
listInt = [eqLaws (ranged Gen.int)]
listInt8 = [eqLaws (ranged Gen.int8)]
listInt16 = [eqLaws (ranged Gen.int16)]
listInt32 = [eqLaws (ranged Gen.int32)]
listInt64 = [eqLaws (ranged Gen.int64)]
listWord, listWord8, listWord16, listWord32, listWord64 :: [Laws]
listWord = [eqLaws (ranged Gen.word)]
listWord8 = [eqLaws (ranged Gen.word8)]
listWord16 = [eqLaws (ranged Gen.word16)]
listWord32 = [eqLaws (ranged Gen.word32)]
listWord64 = [eqLaws (ranged Gen.word64)]
{-
listBadEq :: [Laws]
listBadEq = [ eqLaws $ pure BadReflexive ]
++ [ eqLaws $ Gen.frequency [(1, pure BadSymmetric1),(1,pure BadSymmetric2)] ]
data BadReflexive = BadReflexive
deriving (Show)
instance Eq BadReflexive where
_ == _ = False
data BadSymmetric = BadSymmetric1 | BadSymmetric2
deriving (Show)
instance Eq BadSymmetric where
BadSymmetric1 == BadSymmetric1 = True
BadSymmetric2 == BadSymmetric2 = True
BadSymmetric2 == BadSymmetric1 = True
BadSymmetric1 == BadSymmetric2 = False
-}