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|
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE NoMonomorphismRestriction #-}
{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE PatternGuards #-}
{-# LANGUAGE TypeFamilies #-}
{-# OPTIONS_GHC -fno-warn-orphans #-}
import Test.Hspec
import Test.Hspec.QuickCheck
import ClassyPrelude hiding (undefined)
import Test.QuickCheck.Arbitrary
import Prelude (asTypeOf, fromIntegral, undefined)
import qualified Prelude
import Control.Monad.Trans.Writer (tell, Writer, runWriter)
import Data.Functor.Identity (runIdentity)
import Control.Concurrent (throwTo, threadDelay, forkIO)
import Control.Exception (throw)
import qualified Data.Set as Set
import qualified Data.HashSet as HashSet
dictionaryProps
:: ( MapValue c ~ Char
, ContainerKey c ~ Int
, Arbitrary c
, IsMap c
, Eq c
, Show c
)
=> c
-> Spec
dictionaryProps dummy = do
prop "insert x y (insert x z c) == insert x y c" $ \x y z c ->
insertMap x y (insertMap x z (c `asTypeOf` dummy)) == insertMap x y c
prop "insertMap x y (deleteMap x c) == insertMap x y c" $ \x y c ->
insertMap x y (deleteMap x (c `asTypeOf` dummy)) == insertMap x y c
prop "deleteMap x (insertMap x y c) == deleteMap x c" $ \x y c ->
mapFromList (mapToList $ deleteMap x (insertMap x y (c `asTypeOf` dummy))) == (mapFromList (mapToList ((deleteMap x c) `asTypeOf` dummy) :: [(Int, Char)]) `asTypeOf` dummy)
prop "lookup k (insertMap k v empty) == Just v" $ \k v ->
lookup k (insertMap k v mempty `asTypeOf` dummy) == Just v
prop "lookup k (deleteMap k c) == Nothing" $ \k c ->
lookup k (deleteMap k c`asTypeOf` dummy) == Nothing
mapProps :: ( i ~ Element c
, MonoFoldable c
, Eq c
, Arbitrary c
, Show c
)
=> ((i -> i) -> c -> c)
-> ([i] -> c)
-> c
-> (i -> i)
-> (i -> i)
-> Spec
mapProps map' pack' dummy f g = do
prop "map f c == pack (map f (unpack c))" $ \c ->
map' f (c `asTypeOf` dummy) == pack' (fmap f (unpack c))
prop "map (f . g) c == map f (map g c)" $ \c ->
map' (g . f) (c `asTypeOf` dummy) == map' g (map' f c)
concatMapProps :: ( MonoFoldable c
, IsSequence c
, Eq c
, MonoFoldableMonoid c
, Arbitrary c
, Show c
)
=> c
-> (Element c -> c)
-> Spec
concatMapProps dummy f = do
prop "concatMap f c == pack (concatMap (unpack . f) (unpack c))" $ \c ->
concatMap f (c `asTypeOf` dummy) == pack (concatMap (unpack . f) (unpack c))
filterProps :: ( Eq c
, Show c
, IsSequence c
, Arbitrary c
)
=> c
-> (Element c -> Bool)
-> Spec
filterProps dummy f = do
prop "filter f c == pack (filter f (unpack c))" $ \c ->
(repack (filter f (c `asTypeOf` dummy)) `asTypeOf` dummy) == pack (filter f (unpack c))
filterMProps :: ( Eq c
, Show c
, IsSequence c
, Arbitrary c
)
=> c
-> (Element c -> Bool)
-> Spec
filterMProps dummy f' = do
prop "filterM f c == fmap pack (filterM f (unpack c))" $ \c ->
runIdentity (fmap repack (filterM f (c `asTypeOf` dummy))) `asTypeOf` dummy == runIdentity (fmap pack (filterM f (unpack c)))
where
f = return . f'
lengthProps :: ( Show c
, MonoFoldable c
, Monoid c
, Arbitrary c
)
=> c
-> Spec
lengthProps dummy = do
prop "length c == fromIntegral (length (unpack c))" $ \c ->
length (c `asTypeOf` dummy) == fromIntegral (length (unpack c))
prop "null c == (length c == 0)" $ \c ->
null (c `asTypeOf` dummy) == (length c == 0)
prop "length (x ++ y) <= length x + length y" $ \x y ->
length (x ++ y `asTypeOf` dummy) <= length x + length y
prop "length (x ++ y) >= max (length x) (length y)" $ \x y ->
length (x ++ y `asTypeOf` dummy) >= max (length x) (length y)
prop "length (x ++ empty) == length x" $ \x ->
length (x ++ mempty `asTypeOf` dummy) == length x
prop "null empty" $ null (mempty `asTypeOf` dummy)
mapMProps :: ( Eq c
, Show c
, IsSequence c
, Arbitrary c
, Element c ~ Int
)
=> c
-> Spec
mapMProps dummy = do
let f :: Int -> Writer [Int] Int
f x = tell [x] >> return x
prop "omapM f c == omapM f (toList c)" $ \c ->
runWriter (omapM f (c `asTypeOf` dummy)) ==
let (x, y) = runWriter (omapM f (toList c))
in (pack x, y)
mapM_Props :: ( Eq (Element c)
, Show c
, MonoFoldable c
, Arbitrary c
)
=> c
-> Spec
mapM_Props dummy = do
let f x = tell [x]
prop "mapM_ f c == mapM_ f (toList c)" $ \c ->
runWriter (mapM_ f (c `asTypeOf` dummy)) == runWriter (mapM_ f (toList c))
foldProps :: ( Eq a
, Show c
, MonoFoldable c
, Arbitrary c
)
=> c
-> (a -> Element c -> a)
-> a
-> Spec
foldProps dummy f accum =
prop "foldl' f accum c == foldl' f accum (toList c)" $ \c ->
foldl' f accum (c `asTypeOf` dummy) == foldl' f accum (toList c)
replicateProps :: ( Eq a
, Show (Element c)
, IsSequence a
, IsSequence c
, Arbitrary (Element c)
, Element a ~ Element c
)
=> a
-> (c -> a)
-> Spec
replicateProps dummy pack' =
prop "replicate i a == pack (replicate i a)" $ \{- takes too long i-} a ->
(replicate i a `asTypeOf` dummy) == pack' (replicate i a)
where
i = 3
chunkProps :: ( Eq a
, Show a
, Arbitrary a
, LazySequence a s
)
=> a
-> Spec
chunkProps dummy = do
prop "fromChunks . toChunks == id" $ \a ->
fromChunks (toChunks (a `asTypeOf` dummy)) == a
prop "fromChunks . return . concat . toChunks == id" $ \a ->
fromChunks [concat $ toChunks (a `asTypeOf` dummy)] == a
stripSuffixProps :: ( Eq c
, Show c
, Arbitrary c
, EqSequence c
)
=> c
-> Spec
stripSuffixProps dummy = do
prop "stripSuffix y (x ++ y) == Just x" $ \x y ->
stripSuffix y (x ++ y) == Just (x `asTypeOf` dummy)
prop "isJust (stripSuffix x y) == isSuffixOf x y" $ \x y ->
isJust (stripSuffix x y) == isSuffixOf x (y `asTypeOf` dummy)
replicateMProps :: ( Eq a
, Show (Index a)
, Show (Element a)
, IsSequence a
, Arbitrary (Index a)
, Arbitrary (Element a)
)
=> a
-> Spec
replicateMProps dummy = do
prop "runIdentity (replicateM i (return x)) == replicate i x" $ \i' x ->
let i = i' `mod` 20
in runIdentity (replicateM i (return x)) == (replicate i x `asTypeOf` dummy)
utf8Props :: ( Eq t
, Show t
, Arbitrary t
, Textual t
, Utf8 t b
)
=> t
-> Spec
utf8Props dummy = do
prop "decodeUtf8 . encodeUtf8 == id" $ \t ->
decodeUtf8 (encodeUtf8 t) == (t `asTypeOf` dummy)
compareLengthProps :: ( MonoFoldable c
, Arbitrary c
, Show c
)
=> c
-> Spec
compareLengthProps dummy = do
prop "compare (length c) i == compareLength c i" $ \i c ->
compare (length c) i == compareLength (c `asTypeOf` dummy) i
prefixProps :: ( Eq c
, EqSequence c
, Arbitrary c
, Show c
)
=> c
-> Spec
prefixProps dummy = do
prop "x `isPrefixOf` (x ++ y)" $ \x y ->
(x `asTypeOf` dummy) `isPrefixOf` (x ++ y)
prop "stripPrefix x (x ++ y) == Just y" $ \x y ->
stripPrefix x (x ++ y) == Just (y `asTypeOf` dummy)
prop "stripPrefix x y == Nothing || x `isPrefixOf` y" $ \x y ->
stripPrefix x y == Nothing || x `isPrefixOf` (y `asTypeOf` dummy)
main :: IO ()
main = hspec $ do
describe "dictionary" $ do
describe "Data.Map" $ dictionaryProps (undefined :: Map Int Char)
describe "Data.HashMap" $ dictionaryProps (undefined :: HashMap Int Char)
describe "assoc list" $ dictionaryProps (undefined :: [(Int, Char)])
describe "map" $ do
describe "list" $ mapProps fmap pack (undefined :: [Int]) (+ 1) (+ 2)
describe "Data.Vector" $ mapProps fmap pack (undefined :: Vector Int) (+ 1) (+ 2)
describe "Data.Vector.Unboxed" $ mapProps omap pack (undefined :: UVector Int) (+ 1) (+ 2)
describe "Data.Set" $ mapProps Set.map setFromList (undefined :: Set Int) (+ 1) (+ 2)
describe "Data.HashSet" $ mapProps HashSet.map setFromList (undefined :: HashSet Int) (+ 1) (+ 2)
describe "Data.ByteString" $ mapProps omap pack (undefined :: ByteString) (+ 1) (+ 2)
describe "Data.ByteString.Lazy" $ mapProps omap pack (undefined :: LByteString) (+ 1) (+ 2)
describe "Data.Text" $ mapProps omap pack (undefined :: Text) succ succ
describe "Data.Text.Lazy" $ mapProps omap pack (undefined :: LText) succ succ
describe "Data.Sequence" $ mapProps fmap pack (undefined :: Seq Int) succ succ
describe "concatMap" $ do
describe "list" $ concatMapProps (undefined :: [Int]) (\i -> [i + 1, i + 2])
describe "Data.Vector" $ concatMapProps (undefined :: Vector Int) (\i -> fromList [i + 1, i + 2])
describe "Data.Vector.Unboxed" $ concatMapProps (undefined :: UVector Int) (\i -> fromList [i + 1, i + 2])
describe "Data.ByteString" $ concatMapProps (undefined :: ByteString) (\i -> fromList [i + 1, i + 2])
describe "Data.ByteString.Lazy" $ concatMapProps (undefined :: LByteString) (\i -> fromList [i + 1, i + 2])
describe "Data.Text" $ concatMapProps (undefined :: Text) (\c -> pack [succ c, succ $ succ c])
describe "Data.Text.Lazy" $ concatMapProps (undefined :: LText) (\c -> pack [succ c, succ $ succ c])
describe "Data.Sequence" $ concatMapProps (undefined :: Seq Int) (\i -> pack [i + 1, i + 2])
describe "filter" $ do
describe "list" $ filterProps (undefined :: [Int]) (< 20)
describe "Data.Vector" $ filterProps (undefined :: Vector Int) (< 20)
describe "Data.Vector.Unboxed" $ filterProps (undefined :: UVector Int) (< 20)
describe "Data.ByteString" $ filterProps (undefined :: ByteString) (< 20)
describe "Data.ByteString.Lazy" $ filterProps (undefined :: LByteString) (< 20)
describe "Data.Text" $ filterProps (undefined :: Text) (< 'A')
describe "Data.Text.Lazy" $ filterProps (undefined :: LText) (< 'A')
{- FIXME
describe "Data.Map" $ filterProps (undefined :: Map Int Char) (\(i, _) -> i < 20)
describe "Data.HashMap" $ filterProps (undefined :: HashMap Int Char) (\(i, _) -> i < 20)
describe "Data.Set" $ filterProps (undefined :: Set Int) (< 20)
-}
describe "Data.Sequence" $ filterProps (undefined :: Seq Int) (< 20)
describe "filterM" $ do
describe "list" $ filterMProps (undefined :: [Int]) (< 20)
describe "Data.Vector" $ filterMProps (undefined :: Vector Int) (< 20)
describe "Data.Vector.Unboxed" $ filterMProps (undefined :: Vector Int) (< 20)
describe "Data.Sequence" $ filterMProps (undefined :: Seq Int) (< 20)
describe "length" $ do
describe "list" $ lengthProps (undefined :: [Int])
describe "Data.Vector" $ lengthProps (undefined :: Vector Int)
describe "Data.Vector.Unboxed" $ lengthProps (undefined :: UVector Int)
describe "Data.ByteString" $ lengthProps (undefined :: ByteString)
describe "Data.ByteString.Lazy" $ lengthProps (undefined :: LByteString)
describe "Data.Text" $ lengthProps (undefined :: Text)
describe "Data.Text.Lazy" $ lengthProps (undefined :: LText)
describe "Data.Map" $ lengthProps (undefined :: Map Int Char)
describe "Data.HashMap" $ lengthProps (undefined :: HashMap Int Char)
describe "Data.Set" $ lengthProps (undefined :: Set Int)
describe "Data.HashSet" $ lengthProps (undefined :: HashSet Int)
describe "Data.Sequence" $ lengthProps (undefined :: Seq Int)
describe "mapM" $ do
describe "list" $ mapMProps (undefined :: [Int])
describe "Data.Vector" $ mapMProps (undefined :: Vector Int)
describe "Data.Vector.Unboxed" $ mapMProps (undefined :: UVector Int)
describe "Seq" $ mapMProps (undefined :: Seq Int)
describe "mapM_" $ do
describe "list" $ mapM_Props (undefined :: [Int])
describe "Data.Vector" $ mapM_Props (undefined :: Vector Int)
describe "Data.Vector.Unboxed" $ mapM_Props (undefined :: UVector Int)
describe "Set" $ mapM_Props (undefined :: Set Int)
describe "HashSet" $ mapM_Props (undefined :: HashSet Int)
describe "Seq" $ mapM_Props (undefined :: Seq Int)
describe "fold" $ do
let f = flip (:)
describe "list" $ foldProps (undefined :: [Int]) f []
describe "Data.Vector" $ foldProps (undefined :: Vector Int) f []
describe "Data.Vector.Unboxed" $ foldProps (undefined :: UVector Int) f []
describe "Data.ByteString" $ foldProps (undefined :: ByteString) f []
describe "Data.ByteString.Lazy" $ foldProps (undefined :: LByteString) f []
describe "Data.Text" $ foldProps (undefined :: Text) f []
describe "Data.Text.Lazy" $ foldProps (undefined :: LText) f []
describe "Data.Set" $ foldProps (undefined :: Set Int) f []
describe "Data.HashSet" $ foldProps (undefined :: HashSet Int) f []
describe "Data.Sequence" $ foldProps (undefined :: Seq Int) f []
describe "replicate" $ do
describe "list" $ replicateProps (undefined :: [Int]) pack
describe "Data.Vector" $ replicateProps (undefined :: Vector Int) pack
describe "Data.Vector.Unboxed" $ replicateProps (undefined :: UVector Int) pack
describe "Data.ByteString" $ replicateProps (undefined :: ByteString) pack
describe "Data.ByteString.Lazy" $ replicateProps (undefined :: LByteString) pack
describe "Data.Text" $ replicateProps (undefined :: Text) pack
describe "Data.Text.Lazy" $ replicateProps (undefined :: LText) pack
describe "Data.Sequence" $ replicateProps (undefined :: Seq Int) pack
describe "chunks" $ do
describe "ByteString" $ chunkProps (asLByteString undefined)
describe "Text" $ chunkProps (asLText undefined)
describe "stripSuffix" $ do
describe "Text" $ stripSuffixProps (undefined :: Text)
describe "LText" $ stripSuffixProps (undefined :: LText)
describe "ByteString" $ stripSuffixProps (undefined :: ByteString)
describe "LByteString" $ stripSuffixProps (undefined :: LByteString)
describe "Seq" $ stripSuffixProps (undefined :: Seq Int)
describe "replicateM" $ do
describe "list" $ replicateMProps (undefined :: [Int])
describe "Vector" $ replicateMProps (undefined :: Vector Int)
describe "UVector" $ replicateMProps (undefined :: UVector Int)
describe "Seq" $ replicateMProps (undefined :: Seq Int)
describe "encode/decode UTF8" $ do
describe "Text" $ utf8Props (undefined :: Text)
describe "LText" $ utf8Props (undefined :: LText)
describe "compareLength" $ do
describe "list" $ compareLengthProps (undefined :: [Int])
describe "Text" $ compareLengthProps (undefined :: Text)
describe "LText" $ compareLengthProps (undefined :: LText)
describe "Prefix" $ do
describe "list" $ prefixProps (undefined :: [Int])
describe "Text" $ prefixProps (undefined :: Text)
describe "LText" $ prefixProps (undefined :: LText)
describe "ByteString" $ prefixProps (undefined :: ByteString)
describe "LByteString" $ prefixProps (undefined :: LByteString)
describe "Vector" $ prefixProps (undefined :: Vector Int)
describe "UVector" $ prefixProps (undefined :: UVector Int)
describe "Seq" $ prefixProps (undefined :: Seq Int)
describe "any exceptions" $ do
it "catchAny" $ do
failed <- newIORef 0
tid <- forkIO $ do
catchAny
(threadDelay 20000)
(const $ writeIORef failed 1)
writeIORef failed 2
threadDelay 10000
throwTo tid DummyException
threadDelay 50000
didFail <- readIORef failed
liftIO $ didFail `shouldBe` (0 :: Int)
it "tryAny" $ do
failed <- newIORef False
tid <- forkIO $ do
_ <- tryAny $ threadDelay 20000
writeIORef failed True
threadDelay 10000
throwTo tid DummyException
threadDelay 50000
didFail <- readIORef failed
liftIO $ didFail `shouldBe` False
it "tryAnyDeep" $ do
eres <- tryAnyDeep $ return $ throw DummyException
case eres of
Left e
| Just DummyException <- fromException e -> return ()
| otherwise -> error "Expected a DummyException"
Right () -> error "Expected an exception" :: IO ()
data DummyException = DummyException
deriving (Show, Typeable)
instance Exception DummyException
instance Arbitrary (Map Int Char) where
arbitrary = mapFromList <$> arbitrary
instance Arbitrary (HashMap Int Char) where
arbitrary = mapFromList <$> arbitrary
instance Arbitrary (Vector Int) where
arbitrary = fromList <$> arbitrary
instance Arbitrary (UVector Int) where
arbitrary = fromList <$> arbitrary
instance Arbitrary (Set Int) where
arbitrary = setFromList <$> arbitrary
instance Arbitrary (HashSet Int) where
arbitrary = setFromList <$> arbitrary
instance Arbitrary ByteString where
arbitrary = fromList <$> arbitrary
instance Arbitrary LByteString where
arbitrary = fromList <$> arbitrary
instance Arbitrary Text where
arbitrary = fromList <$> arbitrary
instance Arbitrary LText where
arbitrary = fromList <$> arbitrary
instance Arbitrary (Seq Int) where
arbitrary = fromList <$> arbitrary
|
