witch/src/test/Main.hs

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{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE TypeApplications #-}
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import qualified Control.Exception as Exception
import qualified Control.Monad as Monad
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import qualified Data.ByteString as ByteString
import qualified Data.ByteString.Lazy as LazyByteString
import qualified Data.ByteString.Short as ShortByteString
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import qualified Data.Complex as Complex
import qualified Data.Either as Either
import qualified Data.Fixed as Fixed
import qualified Data.Int as Int
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import qualified Data.IntMap as IntMap
import qualified Data.IntSet as IntSet
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import qualified Data.List.NonEmpty as NonEmpty
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import qualified Data.Map as Map
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import qualified Data.Ratio as Ratio
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import qualified Data.Sequence as Seq
import qualified Data.Set as Set
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import qualified Data.Text as Text
import qualified Data.Text.Lazy as LazyText
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import qualified Data.Word as Word
import qualified Numeric.Natural as Natural
import qualified Test.Hspec as Hspec
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import qualified Witch
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main :: IO ()
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main = Hspec.hspec . Hspec.describe "Witch" $ do
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Hspec.describe "Cast" $ do
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Hspec.describe "cast" $ do
test $ Witch.cast (1 :: Int.Int8) `Hspec.shouldBe` (1 :: Int.Int16)
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Hspec.describe "TryCast" $ do
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Hspec.describe "tryCast" $ do
test $ Witch.tryCast (1 :: Int.Int16) `Hspec.shouldBe` Right (1 :: Int.Int8)
test $ Witch.tryCast 128 `Hspec.shouldBe` Left (Witch.TryCastException @Int.Int16 @Int.Int8 128)
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Hspec.describe "Utility" $ do
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Hspec.describe "as" $ do
test $ Witch.as @Int.Int8 1 `Hspec.shouldBe` 1
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Hspec.describe "from" $ do
test $ Witch.from @Int.Int8 1 `Hspec.shouldBe` (1 :: Int.Int16)
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Hspec.describe "into" $ do
test $ Witch.into @Int.Int16 (1 :: Int.Int8) `Hspec.shouldBe` 1
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Hspec.describe "over" $ do
test $ Witch.over @String (<> "!") (Name "Kiki") `Hspec.shouldBe` Name "Kiki!"
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Hspec.describe "via" $ do
test $ Witch.via @Int.Int16 (1 :: Int.Int8) `Hspec.shouldBe` (1 :: Int.Int32)
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Hspec.describe "tryFrom" $ do
test $ Witch.tryFrom @Int.Int16 1 `Hspec.shouldBe` Right (1 :: Int.Int8)
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Hspec.describe "tryInto" $ do
test $ Witch.tryInto @Int.Int8 (1 :: Int.Int16) `Hspec.shouldBe` Right 1
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Hspec.describe "unsafeCast" $ do
test $ Witch.unsafeCast (1 :: Int.Int16) `Hspec.shouldBe` (1 :: Int.Int8)
test $ Exception.evaluate (Witch.unsafeCast @Int.Int16 @Int.Int8 128) `Hspec.shouldThrow` (== Witch.TryCastException @Int.Int16 @Int.Int8 128)
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Hspec.describe "unsafeFrom" $ do
test $ Witch.unsafeFrom @Int.Int16 1 `Hspec.shouldBe` (1 :: Int.Int8)
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Hspec.describe "unsafeInto" $ do
test $ Witch.unsafeInto @Int.Int8 (1 :: Int.Int16) `Hspec.shouldBe` 1
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Hspec.describe "Lift" $ do
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Hspec.describe "liftedCast" $ do
test $ ($$(Witch.liftedCast (1 :: Int.Int16)) :: Int.Int8) `Hspec.shouldBe` 1
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Hspec.describe "liftedFrom" $ do
test $ ($$(Witch.liftedFrom @Int.Int16 1) :: Int.Int8) `Hspec.shouldBe` 1
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Hspec.describe "liftedInto" $ do
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test $ $$(Witch.liftedInto @Int.Int8 (1 :: Int.Int16)) `Hspec.shouldBe` 1
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Hspec.describe "Instances" $ do
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-- Int8
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Hspec.describe "Cast Int8 Int16" $ do
let f = Witch.cast @Int.Int8 @Int.Int16
test $ f 0 `Hspec.shouldBe` 0
test $ f 127 `Hspec.shouldBe` 127
test $ f (-128) `Hspec.shouldBe` (-128)
Hspec.describe "Cast Int8 Int32" $ do
let f = Witch.cast @Int.Int8 @Int.Int32
test $ f 0 `Hspec.shouldBe` 0
test $ f 127 `Hspec.shouldBe` 127
test $ f (-128) `Hspec.shouldBe` (-128)
Hspec.describe "Cast Int8 Int64" $ do
let f = Witch.cast @Int.Int8 @Int.Int64
test $ f 0 `Hspec.shouldBe` 0
test $ f 127 `Hspec.shouldBe` 127
test $ f (-128) `Hspec.shouldBe` (-128)
Hspec.describe "Cast Int8 Int" $ do
let f = Witch.cast @Int.Int8 @Int
test $ f 0 `Hspec.shouldBe` 0
test $ f 127 `Hspec.shouldBe` 127
test $ f (-128) `Hspec.shouldBe` (-128)
Hspec.describe "Cast Int8 Integer" $ do
let f = Witch.cast @Int.Int8 @Integer
test $ f 0 `Hspec.shouldBe` 0
test $ f 127 `Hspec.shouldBe` 127
test $ f (-128) `Hspec.shouldBe` (-128)
Hspec.describe "TryCast Int8 Word8" $ do
let f = Witch.tryCast @Int.Int8 @Word.Word8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 127 `Hspec.shouldBe` Right 127
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int8 Word16" $ do
let f = Witch.tryCast @Int.Int8 @Word.Word16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 127 `Hspec.shouldBe` Right 127
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int8 Word32" $ do
let f = Witch.tryCast @Int.Int8 @Word.Word32
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 127 `Hspec.shouldBe` Right 127
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int8 Word64" $ do
let f = Witch.tryCast @Int.Int8 @Word.Word64
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 127 `Hspec.shouldBe` Right 127
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int8 Word" $ do
let f = Witch.tryCast @Int.Int8 @Word
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 127 `Hspec.shouldBe` Right 127
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int8 Natural" $ do
let f = Witch.tryCast @Int.Int8 @Natural.Natural
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 127 `Hspec.shouldBe` Right 127
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "Cast Int8 Float" $ do
let f = Witch.cast @Int.Int8 @Float
test $ f 0 `Hspec.shouldBe` 0
test $ f 127 `Hspec.shouldBe` 127
test $ f (-128) `Hspec.shouldBe` (-128)
Hspec.describe "Cast Int8 Double" $ do
let f = Witch.cast @Int.Int8 @Double
test $ f 0 `Hspec.shouldBe` 0
test $ f 127 `Hspec.shouldBe` 127
test $ f (-128) `Hspec.shouldBe` (-128)
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-- Int16
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Hspec.describe "TryCast Int16 Int8" $ do
let f = Witch.tryCast @Int.Int16 @Int.Int8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 127 `Hspec.shouldBe` Right 127
test $ f 128 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-128) `Hspec.shouldBe` Right (-128)
test $ f (-129) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "Cast Int16 Int32" $ do
let f = Witch.cast @Int.Int16 @Int.Int32
test $ f 0 `Hspec.shouldBe` 0
test $ f 32767 `Hspec.shouldBe` 32767
test $ f (-32768) `Hspec.shouldBe` (-32768)
Hspec.describe "Cast Int16 Int64" $ do
let f = Witch.cast @Int.Int16 @Int.Int64
test $ f 0 `Hspec.shouldBe` 0
test $ f 32767 `Hspec.shouldBe` 32767
test $ f (-32768) `Hspec.shouldBe` (-32768)
Hspec.describe "Cast Int16 Int" $ do
let f = Witch.cast @Int.Int16 @Int
test $ f 0 `Hspec.shouldBe` 0
test $ f 32767 `Hspec.shouldBe` 32767
test $ f (-32768) `Hspec.shouldBe` (-32768)
Hspec.describe "Cast Int16 Integer" $ do
let f = Witch.cast @Int.Int16 @Integer
test $ f 0 `Hspec.shouldBe` 0
test $ f 32767 `Hspec.shouldBe` 32767
test $ f (-32768) `Hspec.shouldBe` (-32768)
Hspec.describe "TryCast Int16 Word8" $ do
let f = Witch.tryCast @Int.Int16 @Word.Word8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 255 `Hspec.shouldBe` Right 255
test $ f 256 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int16 Word16" $ do
let f = Witch.tryCast @Int.Int16 @Word.Word16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 127 `Hspec.shouldBe` Right 127
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int16 Word32" $ do
let f = Witch.tryCast @Int.Int16 @Word.Word32
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 32767 `Hspec.shouldBe` Right 32767
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int16 Word64" $ do
let f = Witch.tryCast @Int.Int16 @Word.Word64
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 32767 `Hspec.shouldBe` Right 32767
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int16 Word" $ do
let f = Witch.tryCast @Int.Int16 @Word
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 32767 `Hspec.shouldBe` Right 32767
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int16 Natural" $ do
let f = Witch.tryCast @Int.Int16 @Natural.Natural
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 32767 `Hspec.shouldBe` Right 32767
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "Cast Int16 Float" $ do
let f = Witch.cast @Int.Int16 @Float
test $ f 0 `Hspec.shouldBe` 0
test $ f 32767 `Hspec.shouldBe` 32767
test $ f (-32768) `Hspec.shouldBe` (-32768)
Hspec.describe "Cast Int16 Double" $ do
let f = Witch.cast @Int.Int16 @Double
test $ f 0 `Hspec.shouldBe` 0
test $ f 32767 `Hspec.shouldBe` 32767
test $ f (-32768) `Hspec.shouldBe` (-32768)
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-- Int32
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Hspec.describe "TryCast Int32 Int8" $ do
let f = Witch.tryCast @Int.Int32 @Int.Int8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 127 `Hspec.shouldBe` Right 127
test $ f 128 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-128) `Hspec.shouldBe` Right (-128)
test $ f (-129) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int32 Int16" $ do
let f = Witch.tryCast @Int.Int32 @Int.Int16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 32767 `Hspec.shouldBe` Right 32767
test $ f 32768 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-32768) `Hspec.shouldBe` Right (-32768)
test $ f (-32769) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "Cast Int32 Int64" $ do
let f = Witch.cast @Int.Int32 @Int.Int64
test $ f 0 `Hspec.shouldBe` 0
test $ f 2147483647 `Hspec.shouldBe` 2147483647
test $ f (-2147483648) `Hspec.shouldBe` (-2147483648)
Hspec.describe "TryCast Int32 Int" $ do
Monad.when (toInteger (maxBound :: Int) < 2147483647) untested
let f = Witch.tryCast @Int.Int32 @Int
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 2147483647 `Hspec.shouldBe` Right 2147483647
test $ f (-2147483648) `Hspec.shouldBe` Right (-2147483648)
Hspec.describe "Cast Int32 Integer" $ do
let f = Witch.cast @Int.Int32 @Integer
test $ f 0 `Hspec.shouldBe` 0
test $ f 2147483647 `Hspec.shouldBe` 2147483647
test $ f (-2147483648) `Hspec.shouldBe` (-2147483648)
Hspec.describe "TryCast Int32 Word8" $ do
let f = Witch.tryCast @Int.Int32 @Word.Word8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 255 `Hspec.shouldBe` Right 255
test $ f 256 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int32 Word16" $ do
let f = Witch.tryCast @Int.Int32 @Word.Word16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 65535 `Hspec.shouldBe` Right 65535
test $ f 65536 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int32 Word32" $ do
let f = Witch.tryCast @Int.Int32 @Word.Word32
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 2147483647 `Hspec.shouldBe` Right 2147483647
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int32 Word64" $ do
let f = Witch.tryCast @Int.Int32 @Word.Word64
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 2147483647 `Hspec.shouldBe` Right 2147483647
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int32 Word" $ do
Monad.when (toInteger (maxBound :: Word) < 2147483647) untested
let f = Witch.tryCast @Int.Int32 @Word
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 2147483647 `Hspec.shouldBe` Right 2147483647
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int32 Natural" $ do
let f = Witch.tryCast @Int.Int32 @Natural.Natural
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 2147483647 `Hspec.shouldBe` Right 2147483647
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int32 Float" $ do
let f = Witch.tryCast @Int.Int32 @Float
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 16777215 `Hspec.shouldBe` Right 16777215
test $ f 16777216 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-16777215) `Hspec.shouldBe` Right (-16777215)
test $ f (-16777216) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "Cast Int32 Double" $ do
let f = Witch.cast @Int.Int32 @Double
test $ f 0 `Hspec.shouldBe` 0
test $ f 2147483647 `Hspec.shouldBe` 2147483647
test $ f (-2147483648) `Hspec.shouldBe` (-2147483648)
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-- Int64
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Hspec.describe "TryCast Int64 Int8" $ do
let f = Witch.tryCast @Int.Int64 @Int.Int8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 127 `Hspec.shouldBe` Right 127
test $ f 128 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-128) `Hspec.shouldBe` Right (-128)
test $ f (-129) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int64 Int16" $ do
let f = Witch.tryCast @Int.Int64 @Int.Int16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 32767 `Hspec.shouldBe` Right 32767
test $ f 32768 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-32768) `Hspec.shouldBe` Right (-32768)
test $ f (-32769) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int64 Int32" $ do
let f = Witch.tryCast @Int.Int64 @Int.Int32
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 2147483647 `Hspec.shouldBe` Right 2147483647
test $ f 2147483648 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-2147483648) `Hspec.shouldBe` Right (-2147483648)
test $ f (-2147483649) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int64 Int" $ do
Monad.when (toInteger (maxBound :: Int) < 9223372036854775807) untested
let f = Witch.tryCast @Int.Int64 @Int
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 9223372036854775807 `Hspec.shouldBe` Right 9223372036854775807
test $ f (-9223372036854775808) `Hspec.shouldBe` Right (-9223372036854775808)
Hspec.describe "Cast Int64 Integer" $ do
let f = Witch.cast @Int.Int64 @Integer
test $ f 0 `Hspec.shouldBe` 0
test $ f 9223372036854775807 `Hspec.shouldBe` 9223372036854775807
test $ f (-9223372036854775808) `Hspec.shouldBe` (-9223372036854775808)
Hspec.describe "TryCast Int64 Word8" $ do
let f = Witch.tryCast @Int.Int64 @Word.Word8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 255 `Hspec.shouldBe` Right 255
test $ f 256 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int64 Word16" $ do
let f = Witch.tryCast @Int.Int64 @Word.Word16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 65535 `Hspec.shouldBe` Right 65535
test $ f 65536 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int64 Word32" $ do
let f = Witch.tryCast @Int.Int64 @Word.Word32
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 2147483647 `Hspec.shouldBe` Right 2147483647
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int64 Word64" $ do
let f = Witch.tryCast @Int.Int64 @Word.Word64
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 9223372036854775807 `Hspec.shouldBe` Right 9223372036854775807
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int64 Word" $ do
Monad.when (toInteger (maxBound :: Word) < 9223372036854775807) untested
let f = Witch.tryCast @Int.Int64 @Word
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 9223372036854775807 `Hspec.shouldBe` Right 9223372036854775807
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int64 Natural" $ do
let f = Witch.tryCast @Int.Int64 @Natural.Natural
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 9223372036854775807 `Hspec.shouldBe` Right 9223372036854775807
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int64 Float" $ do
let f = Witch.tryCast @Int.Int64 @Float
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 16777215 `Hspec.shouldBe` Right 16777215
test $ f 16777216 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-16777215) `Hspec.shouldBe` Right (-16777215)
test $ f (-16777216) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int64 Double" $ do
let f = Witch.tryCast @Int.Int64 @Double
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 9007199254740991 `Hspec.shouldBe` Right 9007199254740991
test $ f 9007199254740992 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-9007199254740991) `Hspec.shouldBe` Right (-9007199254740991)
test $ f (-9007199254740992) `Hspec.shouldSatisfy` Either.isLeft
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-- Int
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Hspec.describe "TryCast Int Int8" $ do
let f = Witch.tryCast @Int @Int.Int8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 127 `Hspec.shouldBe` Right 127
test $ f 128 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-128) `Hspec.shouldBe` Right (-128)
test $ f (-129) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int Int16" $ do
let f = Witch.tryCast @Int @Int.Int16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 32767 `Hspec.shouldBe` Right 32767
test $ f 32768 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-32768) `Hspec.shouldBe` Right (-32768)
test $ f (-32769) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int Int32" $ do
Monad.when (toInteger (maxBound :: Int) < 2147483647) untested
let f = Witch.tryCast @Int @Int.Int32
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 2147483647 `Hspec.shouldBe` Right 2147483647
test $ f 2147483648 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-2147483648) `Hspec.shouldBe` Right (-2147483648)
test $ f (-2147483649) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "Cast Int Int64" $ do
let f = Witch.cast @Int @Int.Int64
test $ f 0 `Hspec.shouldBe` 0
test $ f maxBound `Hspec.shouldBe` fromIntegral (maxBound :: Int)
test $ f minBound `Hspec.shouldBe` fromIntegral (minBound :: Int)
Hspec.describe "Cast Int Integer" $ do
let f = Witch.cast @Int @Integer
test $ f 0 `Hspec.shouldBe` 0
test $ f maxBound `Hspec.shouldBe` fromIntegral (maxBound :: Int)
test $ f minBound `Hspec.shouldBe` fromIntegral (minBound :: Int)
Hspec.describe "TryCast Int Word8" $ do
let f = Witch.tryCast @Int @Word.Word8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 255 `Hspec.shouldBe` Right 255
test $ f 256 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int Word16" $ do
let f = Witch.tryCast @Int @Word.Word16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 65535 `Hspec.shouldBe` Right 65535
test $ f 65536 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int Word32" $ do
Monad.when (toInteger (maxBound :: Int) < 4294967295) untested
let f = Witch.tryCast @Int @Word.Word32
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 4294967295 `Hspec.shouldBe` Right 4294967295
test $ f 4294967296 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int Word64" $ do
let f = Witch.tryCast @Int @Word.Word64
test $ f 0 `Hspec.shouldBe` Right 0
test $ f maxBound `Hspec.shouldBe` Right (fromIntegral (maxBound :: Int))
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int Word" $ do
let f = Witch.tryCast @Int @Word
test $ f 0 `Hspec.shouldBe` Right 0
test $ f maxBound `Hspec.shouldBe` Right (fromIntegral (maxBound :: Int))
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int Natural" $ do
let f = Witch.tryCast @Int @Natural.Natural
test $ f 0 `Hspec.shouldBe` Right 0
test $ f maxBound `Hspec.shouldBe` Right (fromIntegral (maxBound :: Int))
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int Float" $ do
let f = Witch.tryCast @Int @Float
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 16777215 `Hspec.shouldBe` Right 16777215
test $ f 16777216 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-16777215) `Hspec.shouldBe` Right (-16777215)
test $ f (-16777216) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Int Double" $ do
Monad.when (toInteger (maxBound :: Int) < 9007199254740991) untested
let f = Witch.tryCast @Int @Double
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 9007199254740991 `Hspec.shouldBe` Right 9007199254740991
test $ f 9007199254740992 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-9007199254740991) `Hspec.shouldBe` Right (-9007199254740991)
test $ f (-9007199254740992) `Hspec.shouldSatisfy` Either.isLeft
2021-04-17 20:20:06 +03:00
-- Integer
2021-04-18 17:27:12 +03:00
Hspec.describe "TryCast Integer Int8" $ do
let f = Witch.tryCast @Integer @Int.Int8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 127 `Hspec.shouldBe` Right 127
test $ f 128 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-128) `Hspec.shouldBe` Right (-128)
test $ f (-129) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Integer Int16" $ do
let f = Witch.tryCast @Integer @Int.Int16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 32767 `Hspec.shouldBe` Right 32767
test $ f 32768 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-32768) `Hspec.shouldBe` Right (-32768)
test $ f (-32769) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Integer Int32" $ do
let f = Witch.tryCast @Integer @Int.Int32
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 2147483647 `Hspec.shouldBe` Right 2147483647
test $ f 2147483648 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-2147483648) `Hspec.shouldBe` Right (-2147483648)
test $ f (-2147483649) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Integer Int64" $ do
let f = Witch.tryCast @Integer @Int.Int64
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 9223372036854775807 `Hspec.shouldBe` Right 9223372036854775807
test $ f 9223372036854775808 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-9223372036854775808) `Hspec.shouldBe` Right (-9223372036854775808)
test $ f (-9223372036854775809) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Integer Int" $ do
let f = Witch.tryCast @Integer @Int
test $ f 0 `Hspec.shouldBe` Right 0
test $ let x = maxBound :: Int in f (fromIntegral x) `Hspec.shouldBe` Right x
test $ let x = toInteger (maxBound :: Int) + 1 in f x `Hspec.shouldSatisfy` Either.isLeft
test $ let x = minBound :: Int in f (fromIntegral x) `Hspec.shouldBe` Right x
test $ let x = toInteger (minBound :: Int) - 1 in f x `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Integer Word8" $ do
let f = Witch.tryCast @Integer @Word.Word8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 255 `Hspec.shouldBe` Right 255
test $ f 256 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Integer Word16" $ do
let f = Witch.tryCast @Integer @Word.Word16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 65535 `Hspec.shouldBe` Right 65535
test $ f 65536 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Integer Word32" $ do
let f = Witch.tryCast @Integer @Word.Word32
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 4294967295 `Hspec.shouldBe` Right 4294967295
test $ f 4294967296 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Integer Word64" $ do
let f = Witch.tryCast @Integer @Word.Word64
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 18446744073709551615 `Hspec.shouldBe` Right 18446744073709551615
test $ f 18446744073709551616 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Integer Word" $ do
let f = Witch.tryCast @Integer @Word
test $ f 0 `Hspec.shouldBe` Right 0
test $ let x = maxBound :: Word in f (fromIntegral x) `Hspec.shouldBe` Right x
test $ let x = toInteger (maxBound :: Word) + 1 in f x `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Integer Natural" $ do
let f = Witch.tryCast @Integer @Natural.Natural
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 18446744073709551616 `Hspec.shouldBe` Right 18446744073709551616
test $ f (-1) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Integer Float" $ do
let f = Witch.tryCast @Integer @Float
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 16777215 `Hspec.shouldBe` Right 16777215
test $ f 16777216 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-16777215) `Hspec.shouldBe` Right (-16777215)
test $ f (-16777216) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Integer Double" $ do
let f = Witch.tryCast @Integer @Double
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 9007199254740991 `Hspec.shouldBe` Right 9007199254740991
test $ f 9007199254740992 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-9007199254740991) `Hspec.shouldBe` Right (-9007199254740991)
test $ f (-9007199254740992) `Hspec.shouldSatisfy` Either.isLeft
2021-04-17 20:20:06 +03:00
-- Word8
2021-04-18 17:27:12 +03:00
Hspec.describe "Cast Word8 Word16" $ do
let f = Witch.cast @Word.Word8 @Word.Word16
test $ f 0 `Hspec.shouldBe` 0
test $ f 255 `Hspec.shouldBe` 255
Hspec.describe "Cast Word8 Word32" $ do
let f = Witch.cast @Word.Word8 @Word.Word32
test $ f 0 `Hspec.shouldBe` 0
test $ f 255 `Hspec.shouldBe` 255
Hspec.describe "Cast Word8 Word64" $ do
let f = Witch.cast @Word.Word8 @Word.Word64
test $ f 0 `Hspec.shouldBe` 0
test $ f 255 `Hspec.shouldBe` 255
Hspec.describe "Cast Word8 Word" $ do
let f = Witch.cast @Word.Word8 @Word
test $ f 0 `Hspec.shouldBe` 0
test $ f 255 `Hspec.shouldBe` 255
Hspec.describe "Cast Word8 Natural" $ do
let f = Witch.cast @Word.Word8 @Natural.Natural
test $ f 0 `Hspec.shouldBe` 0
test $ f 255 `Hspec.shouldBe` 255
Hspec.describe "TryCast Word8 Int8" $ do
let f = Witch.tryCast @Word.Word8 @Int.Int8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 127 `Hspec.shouldBe` Right 127
test $ f 128 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "Cast Word8 Int16" $ do
let f = Witch.cast @Word.Word8 @Int.Int16
test $ f 0 `Hspec.shouldBe` 0
test $ f 255 `Hspec.shouldBe` 255
Hspec.describe "Cast Word8 Int32" $ do
let f = Witch.cast @Word.Word8 @Int.Int32
test $ f 0 `Hspec.shouldBe` 0
test $ f 255 `Hspec.shouldBe` 255
Hspec.describe "Cast Word8 Int64" $ do
let f = Witch.cast @Word.Word8 @Int.Int64
test $ f 0 `Hspec.shouldBe` 0
test $ f 255 `Hspec.shouldBe` 255
Hspec.describe "Cast Word8 Int" $ do
let f = Witch.cast @Word.Word8 @Int
test $ f 0 `Hspec.shouldBe` 0
test $ f 255 `Hspec.shouldBe` 255
Hspec.describe "Cast Word8 Integer" $ do
let f = Witch.cast @Word.Word8 @Integer
test $ f 0 `Hspec.shouldBe` 0
test $ f 255 `Hspec.shouldBe` 255
Hspec.describe "Cast Word8 Float" $ do
let f = Witch.cast @Word.Word8 @Float
test $ f 0 `Hspec.shouldBe` 0
test $ f 255 `Hspec.shouldBe` 255
Hspec.describe "Cast Word8 Double" $ do
let f = Witch.cast @Word.Word8 @Double
test $ f 0 `Hspec.shouldBe` 0
test $ f 255 `Hspec.shouldBe` 255
2021-04-17 20:20:06 +03:00
-- Word16
2021-04-18 17:27:12 +03:00
Hspec.describe "TryCast Word16 Word8" $ do
let f = Witch.tryCast @Word.Word16 @Word.Word8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 255 `Hspec.shouldBe` Right 255
test $ f 256 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "Cast Word16 Word32" $ do
let f = Witch.cast @Word.Word16 @Word.Word32
test $ f 0 `Hspec.shouldBe` 0
test $ f 65535 `Hspec.shouldBe` 65535
Hspec.describe "Cast Word16 Word64" $ do
let f = Witch.cast @Word.Word16 @Word.Word64
test $ f 0 `Hspec.shouldBe` 0
test $ f 65535 `Hspec.shouldBe` 65535
Hspec.describe "Cast Word16 Word" $ do
let f = Witch.cast @Word.Word16 @Word
test $ f 0 `Hspec.shouldBe` 0
test $ f 65535 `Hspec.shouldBe` 65535
Hspec.describe "Cast Word16 Natural" $ do
let f = Witch.cast @Word.Word16 @Natural.Natural
test $ f 0 `Hspec.shouldBe` 0
test $ f 65535 `Hspec.shouldBe` 65535
Hspec.describe "TryCast Word16 Int8" $ do
let f = Witch.tryCast @Word.Word16 @Int.Int8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 127 `Hspec.shouldBe` Right 127
test $ f 128 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Word16 Int16" $ do
let f = Witch.tryCast @Word.Word16 @Int.Int16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 32767 `Hspec.shouldBe` Right 32767
test $ f 32768 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "Cast Word16 Int32" $ do
let f = Witch.cast @Word.Word16 @Int.Int32
test $ f 0 `Hspec.shouldBe` 0
test $ f 65535 `Hspec.shouldBe` 65535
Hspec.describe "Cast Word16 Int64" $ do
let f = Witch.cast @Word.Word16 @Int.Int64
test $ f 0 `Hspec.shouldBe` 0
test $ f 65535 `Hspec.shouldBe` 65535
Hspec.describe "Cast Word16 Int" $ do
let f = Witch.cast @Word.Word16 @Int
test $ f 0 `Hspec.shouldBe` 0
test $ f 65535 `Hspec.shouldBe` 65535
Hspec.describe "Cast Word16 Integer" $ do
let f = Witch.cast @Word.Word16 @Integer
test $ f 0 `Hspec.shouldBe` 0
test $ f 65535 `Hspec.shouldBe` 65535
Hspec.describe "Cast Word16 Float" $ do
let f = Witch.cast @Word.Word16 @Float
test $ f 0 `Hspec.shouldBe` 0
test $ f 65535 `Hspec.shouldBe` 65535
Hspec.describe "Cast Word16 Double" $ do
let f = Witch.cast @Word.Word16 @Double
test $ f 0 `Hspec.shouldBe` 0
test $ f 65535 `Hspec.shouldBe` 65535
2021-04-17 20:20:06 +03:00
-- Word32
2021-04-18 17:27:12 +03:00
Hspec.describe "TryCast Word32 Word8" $ do
let f = Witch.tryCast @Word.Word32 @Word.Word8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 255 `Hspec.shouldBe` Right 255
test $ f 256 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Word32 Word16" $ do
let f = Witch.tryCast @Word.Word32 @Word.Word16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 65535 `Hspec.shouldBe` Right 65535
test $ f 65536 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "Cast Word32 Word64" $ do
let f = Witch.cast @Word.Word32 @Word.Word64
test $ f 0 `Hspec.shouldBe` 0
test $ f 4294967295 `Hspec.shouldBe` 4294967295
Hspec.describe "TryCast Word32 Word" $ do
Monad.when (toInteger (maxBound :: Word) < 4294967295) untested
let f = Witch.tryCast @Word.Word32 @Word
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 4294967295 `Hspec.shouldBe` Right 4294967295
Hspec.describe "Cast Word32 Natural" $ do
let f = Witch.cast @Word.Word32 @Natural.Natural
test $ f 0 `Hspec.shouldBe` 0
test $ f 4294967295 `Hspec.shouldBe` 4294967295
Hspec.describe "TryCast Word32 Int8" $ do
let f = Witch.tryCast @Word.Word32 @Int.Int8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 127 `Hspec.shouldBe` Right 127
test $ f 128 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Word32 Int16" $ do
let f = Witch.tryCast @Word.Word32 @Int.Int16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 32767 `Hspec.shouldBe` Right 32767
test $ f 32768 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Word32 Int32" $ do
let f = Witch.tryCast @Word.Word32 @Int.Int32
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 2147483647 `Hspec.shouldBe` Right 2147483647
test $ f 2147483648 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "Cast Word32 Int64" $ do
let f = Witch.cast @Word.Word32 @Int.Int64
test $ f 0 `Hspec.shouldBe` 0
test $ f 4294967295 `Hspec.shouldBe` 4294967295
Hspec.describe "TryCast Word32 Int" $ do
Monad.when (toInteger (maxBound :: Int) < 4294967295) untested
let f = Witch.tryCast @Word.Word32 @Int
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 4294967295 `Hspec.shouldBe` Right 4294967295
Hspec.describe "Cast Word32 Integer" $ do
let f = Witch.cast @Word.Word32 @Integer
test $ f 0 `Hspec.shouldBe` 0
test $ f 4294967295 `Hspec.shouldBe` 4294967295
Hspec.describe "TryCast Word32 Float" $ do
let f = Witch.tryCast @Word.Word32 @Float
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 16777215 `Hspec.shouldBe` Right 16777215
test $ f 16777216 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "Cast Word32 Double" $ do
let f = Witch.cast @Word.Word32 @Double
test $ f 0 `Hspec.shouldBe` 0
test $ f 4294967295 `Hspec.shouldBe` 4294967295
2021-04-17 20:20:06 +03:00
-- Word64
2021-04-18 17:27:12 +03:00
Hspec.describe "TryCast Word64 Word8" $ do
let f = Witch.tryCast @Word.Word64 @Word.Word8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 255 `Hspec.shouldBe` Right 255
test $ f 256 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Word64 Word16" $ do
let f = Witch.tryCast @Word.Word64 @Word.Word16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 65535 `Hspec.shouldBe` Right 65535
test $ f 65536 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Word64 Word32" $ do
let f = Witch.tryCast @Word.Word64 @Word.Word32
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 4294967295 `Hspec.shouldBe` Right 4294967295
test $ f 4294967296 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Word64 Word" $ do
Monad.when (toInteger (maxBound :: Word) < 18446744073709551615) untested
let f = Witch.tryCast @Word.Word64 @Word
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 18446744073709551615 `Hspec.shouldBe` Right 18446744073709551615
Hspec.describe "Cast Word64 Natural" $ do
let f = Witch.cast @Word.Word64 @Natural.Natural
test $ f 0 `Hspec.shouldBe` 0
test $ f 18446744073709551615 `Hspec.shouldBe` 18446744073709551615
Hspec.describe "TryCast Word64 Int8" $ do
let f = Witch.tryCast @Word.Word64 @Int.Int8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 127 `Hspec.shouldBe` Right 127
test $ f 128 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Word64 Int16" $ do
let f = Witch.tryCast @Word.Word64 @Int.Int16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 32767 `Hspec.shouldBe` Right 32767
test $ f 32768 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Word64 Int32" $ do
let f = Witch.tryCast @Word.Word64 @Int.Int32
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 2147483647 `Hspec.shouldBe` Right 2147483647
test $ f 2147483648 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Word64 Int64" $ do
let f = Witch.tryCast @Word.Word64 @Int.Int64
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 9223372036854775807 `Hspec.shouldBe` Right 9223372036854775807
test $ f 9223372036854775808 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Word64 Int" $ do
let f = Witch.tryCast @Word.Word64 @Int
test $ f 0 `Hspec.shouldBe` Right 0
test $ let x = maxBound :: Int in Witch.tryCast @Word.Word64 @Int (fromIntegral x) `Hspec.shouldBe` Right x
test $ let x = fromIntegral (maxBound :: Int) + 1 :: Word.Word64 in Witch.tryCast @Word.Word64 @Int x `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "Cast Word64 Integer" $ do
let f = Witch.cast @Word.Word64 @Integer
test $ f 0 `Hspec.shouldBe` 0
test $ f 18446744073709551615 `Hspec.shouldBe` 18446744073709551615
Hspec.describe "TryCast Word64 Float" $ do
let f = Witch.tryCast @Word.Word64 @Float
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 16777215 `Hspec.shouldBe` Right 16777215
test $ f 16777216 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Word64 Double" $ do
let f = Witch.tryCast @Word.Word64 @Double
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 9007199254740991 `Hspec.shouldBe` Right 9007199254740991
test $ f 9007199254740992 `Hspec.shouldSatisfy` Either.isLeft
2021-04-17 20:20:06 +03:00
-- Word
2021-04-18 17:27:12 +03:00
Hspec.describe "TryCast Word Word8" $ do
let f = Witch.tryCast @Word @Word.Word8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 255 `Hspec.shouldBe` Right 255
test $ f 256 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Word Word16" $ do
let f = Witch.tryCast @Word @Word.Word16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 65535 `Hspec.shouldBe` Right 65535
test $ f 65536 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Word Word32" $ do
Monad.when (toInteger (maxBound :: Word) < 4294967295) untested
let f = Witch.tryCast @Word @Word.Word32
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 4294967295 `Hspec.shouldBe` Right 4294967295
test $ f 4294967296 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "Cast Word Word64" $ do
let f = Witch.cast @Word @Word.Word64
test $ f 0 `Hspec.shouldBe` 0
test $ f maxBound `Hspec.shouldBe` fromIntegral (maxBound :: Word)
Hspec.describe "Cast Word Natural" $ do
let f = Witch.cast @Word @Natural.Natural
test $ f 0 `Hspec.shouldBe` 0
test $ f maxBound `Hspec.shouldBe` fromIntegral (maxBound :: Word)
Hspec.describe "TryCast Word Int8" $ do
let f = Witch.tryCast @Word @Int.Int8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 127 `Hspec.shouldBe` Right 127
test $ f 128 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Word Int16" $ do
let f = Witch.tryCast @Word @Int.Int16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 32767 `Hspec.shouldBe` Right 32767
test $ f 32768 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Word Int32" $ do
Monad.when (toInteger (maxBound :: Word) < 2147483647) untested
let f = Witch.tryCast @Word @Int.Int32
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 2147483647 `Hspec.shouldBe` Right 2147483647
test $ f 2147483648 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Word Int64" $ do
Monad.when (toInteger (maxBound :: Word) < 9223372036854775807) untested
let f = Witch.tryCast @Word @Int.Int64
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 9223372036854775807 `Hspec.shouldBe` Right 9223372036854775807
test $ f 9223372036854775808 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Word Int" $ do
let f = Witch.tryCast @Word @Int
test $ f 0 `Hspec.shouldBe` Right 0
test $ let x = maxBound :: Int in Witch.tryCast @Word @Int (fromIntegral x) `Hspec.shouldBe` Right x
test $ let x = fromIntegral (maxBound :: Int) + 1 :: Word in Witch.tryCast @Word @Int x `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "Cast Word Integer" $ do
let f = Witch.cast @Word @Integer
test $ f 0 `Hspec.shouldBe` 0
test $ f maxBound `Hspec.shouldBe` fromIntegral (maxBound :: Word)
Hspec.describe "TryCast Word Float" $ do
let f = Witch.tryCast @Word @Float
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 16777215 `Hspec.shouldBe` Right 16777215
test $ f 16777216 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Word Double" $ do
Monad.when (toInteger (maxBound :: Word) < 9007199254740991) untested
let f = Witch.tryCast @Word @Double
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 9007199254740991 `Hspec.shouldBe` Right 9007199254740991
test $ f 9007199254740992 `Hspec.shouldSatisfy` Either.isLeft
2021-04-17 20:20:06 +03:00
-- Natural
2021-04-18 17:27:12 +03:00
Hspec.describe "TryCast Natural Word8" $ do
let f = Witch.tryCast @Natural.Natural @Word.Word8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 255 `Hspec.shouldBe` Right 255
test $ f 256 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Natural Word16" $ do
let f = Witch.tryCast @Natural.Natural @Word.Word16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 65535 `Hspec.shouldBe` Right 65535
test $ f 65536 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Natural Word32" $ do
let f = Witch.tryCast @Natural.Natural @Word.Word32
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 4294967295 `Hspec.shouldBe` Right 4294967295
test $ f 4294967296 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Natural Word64" $ do
let f = Witch.tryCast @Natural.Natural @Word.Word64
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 18446744073709551615 `Hspec.shouldBe` Right 18446744073709551615
test $ f 18446744073709551616 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Natural Word" $ do
let f = Witch.tryCast @Natural.Natural @Word
test $ f 0 `Hspec.shouldBe` Right 0
test $ let x = maxBound :: Word in Witch.tryCast @Natural.Natural @Word (fromIntegral x) `Hspec.shouldBe` Right x
test $ let x = fromIntegral (maxBound :: Word) + 1 :: Natural.Natural in Witch.tryCast @Natural.Natural @Word x `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Natural Int8" $ do
let f = Witch.tryCast @Natural.Natural @Int.Int8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 127 `Hspec.shouldBe` Right 127
test $ f 128 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Natural Int16" $ do
let f = Witch.tryCast @Natural.Natural @Int.Int16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 32767 `Hspec.shouldBe` Right 32767
test $ f 32768 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Natural Int32" $ do
let f = Witch.tryCast @Natural.Natural @Int.Int32
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 2147483647 `Hspec.shouldBe` Right 2147483647
test $ f 2147483648 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Natural Int64" $ do
let f = Witch.tryCast @Natural.Natural @Int.Int64
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 9223372036854775807 `Hspec.shouldBe` Right 9223372036854775807
test $ f 9223372036854775808 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Natural Int" $ do
let f = Witch.tryCast @Natural.Natural @Int
test $ f 0 `Hspec.shouldBe` Right 0
test $ let x = maxBound :: Int in Witch.tryCast @Natural.Natural @Int (fromIntegral x) `Hspec.shouldBe` Right x
test $ let x = fromIntegral (maxBound :: Int) + 1 :: Natural.Natural in Witch.tryCast @Natural.Natural @Int x `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "Cast Natural Integer" $ do
let f = Witch.cast @Natural.Natural @Integer
test $ f 0 `Hspec.shouldBe` 0
test $ f 9223372036854775808 `Hspec.shouldBe` 9223372036854775808
Hspec.describe "TryCast Natural Float" $ do
let f = Witch.tryCast @Natural.Natural @Float
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 16777215 `Hspec.shouldBe` Right 16777215
test $ f 16777216 `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Natural Double" $ do
let f = Witch.tryCast @Natural.Natural @Double
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 9007199254740991 `Hspec.shouldBe` Right 9007199254740991
test $ f 9007199254740992 `Hspec.shouldSatisfy` Either.isLeft
-- Float
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Hspec.describe "TryCast Float Int8" $ do
let f = Witch.tryCast @Float @Int.Int8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 127 `Hspec.shouldBe` Right 127
test $ f 128 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-128) `Hspec.shouldBe` Right (-128)
test $ f (-129) `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Float Int16" $ do
let f = Witch.tryCast @Float @Int.Int16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 32767 `Hspec.shouldBe` Right 32767
test $ f 32768 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-32768) `Hspec.shouldBe` Right (-32768)
test $ f (-32769) `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Float Int32" $ do
let f = Witch.tryCast @Float @Int.Int32
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 16777215 `Hspec.shouldBe` Right 16777215
test $ f 16777216 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-16777215) `Hspec.shouldBe` Right (-16777215)
test $ f (-16777216) `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Float Int64" $ do
let f = Witch.tryCast @Float @Int.Int64
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 16777215 `Hspec.shouldBe` Right 16777215
test $ f 16777216 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-16777215) `Hspec.shouldBe` Right (-16777215)
test $ f (-16777216) `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Float Int" $ do
let f = Witch.tryCast @Float @Int
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 16777215 `Hspec.shouldBe` Right 16777215
test $ f 16777216 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-16777215) `Hspec.shouldBe` Right (-16777215)
test $ f (-16777216) `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Float Integer" $ do
let f = Witch.tryCast @Float @Integer
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 16777215 `Hspec.shouldBe` Right 16777215
test $ f 16777216 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-16777215) `Hspec.shouldBe` Right (-16777215)
test $ f (-16777216) `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Float Word8" $ do
let f = Witch.tryCast @Float @Word.Word8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 255 `Hspec.shouldBe` Right 255
test $ f 256 `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Float Word16" $ do
let f = Witch.tryCast @Float @Word.Word16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 65535 `Hspec.shouldBe` Right 65535
test $ f 65536 `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Float Word32" $ do
let f = Witch.tryCast @Float @Word.Word32
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 16777215 `Hspec.shouldBe` Right 16777215
test $ f 16777216 `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Float Word64" $ do
let f = Witch.tryCast @Float @Word.Word64
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 16777215 `Hspec.shouldBe` Right 16777215
test $ f 16777216 `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Float Word" $ do
let f = Witch.tryCast @Float @Word
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 16777215 `Hspec.shouldBe` Right 16777215
test $ f 16777216 `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Float Natural" $ do
let f = Witch.tryCast @Float @Natural.Natural
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 16777215 `Hspec.shouldBe` Right 16777215
test $ f 16777216 `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Float Rational" $ do
let f = Witch.tryCast @Float @Rational
test $ f 0 `Hspec.shouldBe` Right 0
test $ f (-0) `Hspec.shouldBe` Right 0
test $ f 0.5 `Hspec.shouldBe` Right 0.5
test $ f (-0.5) `Hspec.shouldBe` Right (-0.5)
test $ f 16777215 `Hspec.shouldBe` Right 16777215
test $ f (-16777215) `Hspec.shouldBe` Right (-16777215)
test $ f 16777216 `Hspec.shouldBe` Right 16777216
test $ f (-16777216) `Hspec.shouldBe` Right (-16777216)
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "Cast Float Double" $ do
let f = Witch.cast @Float @Double
test $ f 0 `Hspec.shouldBe` 0
test $ f 0.5 `Hspec.shouldBe` 0.5
test $ f (-0.5) `Hspec.shouldBe` (-0.5)
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test $ f (0 / 0) `Hspec.shouldSatisfy` isNaN
test $ f (1 / 0) `Hspec.shouldBe` (1 / 0)
test $ f (-1 / 0) `Hspec.shouldBe` (-1 / 0)
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-- Double
2021-04-18 17:27:12 +03:00
Hspec.describe "TryCast Double Int8" $ do
let f = Witch.tryCast @Double @Int.Int8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 127 `Hspec.shouldBe` Right 127
test $ f 128 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-128) `Hspec.shouldBe` Right (-128)
test $ f (-129) `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Double Int16" $ do
let f = Witch.tryCast @Double @Int.Int16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 32767 `Hspec.shouldBe` Right 32767
test $ f 32768 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-32768) `Hspec.shouldBe` Right (-32768)
test $ f (-32769) `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Double Int32" $ do
let f = Witch.tryCast @Double @Int.Int32
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 2147483647 `Hspec.shouldBe` Right 2147483647
test $ f 2147483648 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-2147483648) `Hspec.shouldBe` Right (-2147483648)
test $ f (-2147483649) `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Double Int64" $ do
let f = Witch.tryCast @Double @Int.Int64
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 9007199254740991 `Hspec.shouldBe` Right 9007199254740991
test $ f 9007199254740992 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-9007199254740991) `Hspec.shouldBe` Right (-9007199254740991)
test $ f (-9007199254740992) `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Double Int" $ do
Monad.when (toInteger (maxBound :: Int) < 9007199254740991) untested
let f = Witch.tryCast @Double @Int
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 9007199254740991 `Hspec.shouldBe` Right 9007199254740991
test $ f 9007199254740992 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-9007199254740991) `Hspec.shouldBe` Right (-9007199254740991)
test $ f (-9007199254740992) `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Double Integer" $ do
let f = Witch.tryCast @Double @Integer
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 9007199254740991 `Hspec.shouldBe` Right 9007199254740991
test $ f 9007199254740992 `Hspec.shouldSatisfy` Either.isLeft
test $ f (-9007199254740991) `Hspec.shouldBe` Right (-9007199254740991)
test $ f (-9007199254740992) `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Double Word8" $ do
let f = Witch.tryCast @Double @Word.Word8
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 255 `Hspec.shouldBe` Right 255
test $ f 256 `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Double Word16" $ do
let f = Witch.tryCast @Double @Word.Word16
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 65535 `Hspec.shouldBe` Right 65535
test $ f 65536 `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Double Word32" $ do
let f = Witch.tryCast @Double @Word.Word32
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 4294967295 `Hspec.shouldBe` Right 4294967295
test $ f 4294967296 `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Double Word64" $ do
let f = Witch.tryCast @Double @Word.Word64
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 9007199254740991 `Hspec.shouldBe` Right 9007199254740991
test $ f 9007199254740992 `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Double Word" $ do
Monad.when (toInteger (maxBound :: Word) < 9007199254740991) untested
let f = Witch.tryCast @Double @Word
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 9007199254740991 `Hspec.shouldBe` Right 9007199254740991
test $ f 9007199254740992 `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Double Natural" $ do
let f = Witch.tryCast @Double @Natural.Natural
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 9007199254740991 `Hspec.shouldBe` Right 9007199254740991
test $ f 9007199254740992 `Hspec.shouldSatisfy` Either.isLeft
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
Hspec.describe "TryCast Double Rational" $ do
let f = Witch.tryCast @Double @Rational
test $ f 0 `Hspec.shouldBe` Right 0
test $ f (-0) `Hspec.shouldBe` Right 0
test $ f 0.5 `Hspec.shouldBe` Right 0.5
test $ f (-0.5) `Hspec.shouldBe` Right (-0.5)
test $ f 9007199254740991 `Hspec.shouldBe` Right 9007199254740991
test $ f (-9007199254740991) `Hspec.shouldBe` Right (-9007199254740991)
test $ f 9007199254740992 `Hspec.shouldBe` Right 9007199254740992
test $ f (-9007199254740992) `Hspec.shouldBe` Right (-9007199254740992)
test $ f (0 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (1 / 0) `Hspec.shouldSatisfy` Either.isLeft
test $ f (-1 / 0) `Hspec.shouldSatisfy` Either.isLeft
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Hspec.describe "Cast Double Float" $ do
let f = Witch.cast @Double @Float
test $ f 0 `Hspec.shouldBe` 0
test $ f 0.5 `Hspec.shouldBe` 0.5
test $ f (-0.5) `Hspec.shouldBe` (-0.5)
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test $ f (0 / 0) `Hspec.shouldSatisfy` isNaN
test $ f (1 / 0) `Hspec.shouldBe` (1 / 0)
test $ f (-1 / 0) `Hspec.shouldBe` (-1 / 0)
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-- Ratio
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Hspec.describe "Cast a (Ratio a)" $ do
test $ Witch.cast @Integer @Rational 0 `Hspec.shouldBe` 0
let f = Witch.cast @Int @(Ratio.Ratio Int)
test $ f 0 `Hspec.shouldBe` 0
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Hspec.describe "TryCast (Ratio a) a" $ do
test $ Witch.tryCast @Rational @Integer 0 `Hspec.shouldBe` Right 0
test $ Witch.tryCast @Rational @Integer 0.5 `Hspec.shouldSatisfy` Either.isLeft
let f = Witch.tryCast @(Ratio.Ratio Int) @Int
test $ f 0 `Hspec.shouldBe` Right 0
test $ f 0.5 `Hspec.shouldSatisfy` Either.isLeft
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Hspec.describe "Cast Rational Float" $ do
let f = Witch.cast @Rational @Float
test $ f 0 `Hspec.shouldBe` 0
test $ f 0.5 `Hspec.shouldBe` 0.5
test $ f (-0.5) `Hspec.shouldBe` (-0.5)
Hspec.describe "Cast Rational Double" $ do
let f = Witch.cast @Rational @Double
test $ f 0 `Hspec.shouldBe` 0
test $ f 0.5 `Hspec.shouldBe` 0.5
test $ f (-0.5) `Hspec.shouldBe` (-0.5)
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-- Fixed
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Hspec.describe "Cast Integer (Fixed a)" $ do
test $ Witch.cast @Integer @Fixed.Uni 1 `Hspec.shouldBe` 1
let f = Witch.cast @Integer @Fixed.Deci
test $ f 1 `Hspec.shouldBe` 0.1
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Hspec.describe "Cast (Fixed a) Integer" $ do
test $ Witch.cast @Fixed.Uni @Integer 1 `Hspec.shouldBe` 1
let f = Witch.cast @Fixed.Deci @Integer
test $ f 1 `Hspec.shouldBe` 10
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-- Complex
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Hspec.describe "Cast a (Complex a)" $ do
test $ Witch.cast @Double @(Complex.Complex Double) 1 `Hspec.shouldBe` 1
let f = Witch.cast @Float @(Complex.Complex Float)
test $ f 1 `Hspec.shouldBe` 1
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Hspec.describe "TryCast (Complex a) a" $ do
test $ Witch.tryCast @(Complex.Complex Double) @Double 1 `Hspec.shouldBe` Right 1
test $ Witch.tryCast @(Complex.Complex Double) @Double (0 Complex.:+ 1) `Hspec.shouldSatisfy` Either.isLeft
let f = Witch.tryCast @(Complex.Complex Float) @Float
test $ f 1 `Hspec.shouldBe` Right 1
test $ f (0 Complex.:+ 1) `Hspec.shouldSatisfy` Either.isLeft
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-- NonEmpty
Hspec.describe "TryCast [a] (NonEmpty a)" $ do
let f = Witch.tryCast @[Int] @(NonEmpty.NonEmpty Int)
test $ f [] `Hspec.shouldSatisfy` Either.isLeft
test $ f [1] `Hspec.shouldBe` Right (1 NonEmpty.:| [])
test $ f [1, 2] `Hspec.shouldBe` Right (1 NonEmpty.:| [2])
Hspec.describe "Cast (NonEmpty a) [a]" $ do
let f = Witch.cast @(NonEmpty.NonEmpty Int) @[Int]
test $ f (1 NonEmpty.:| []) `Hspec.shouldBe` [1]
test $ f (1 NonEmpty.:| [2]) `Hspec.shouldBe` [1, 2]
-- Set
Hspec.describe "Cast [a] (Set a)" $ do
let f = Witch.cast @[Char] @(Set.Set Char)
test $ f [] `Hspec.shouldBe` Set.fromList []
test $ f ['a'] `Hspec.shouldBe` Set.fromList ['a']
test $ f ['a', 'b'] `Hspec.shouldBe` Set.fromList ['a', 'b']
test $ f ['a', 'a'] `Hspec.shouldBe` Set.fromList ['a']
Hspec.describe "Cast (Set a) [a]" $ do
let f = Witch.cast @(Set.Set Char) @[Char]
test $ f (Set.fromList []) `Hspec.shouldBe` []
test $ f (Set.fromList ['a']) `Hspec.shouldBe` ['a']
test $ f (Set.fromList ['a', 'b']) `Hspec.shouldBe` ['a', 'b']
-- IntSet
Hspec.describe "Cast [Int] IntSet" $ do
let f = Witch.cast @[Int] @IntSet.IntSet
test $ f [] `Hspec.shouldBe` IntSet.fromList []
test $ f [1] `Hspec.shouldBe` IntSet.fromList [1]
test $ f [1, 2] `Hspec.shouldBe` IntSet.fromList [1, 2]
Hspec.describe "Cast IntSet [Int]" $ do
let f = Witch.cast @IntSet.IntSet @[Int]
test $ f (IntSet.fromList []) `Hspec.shouldBe` []
test $ f (IntSet.fromList [1]) `Hspec.shouldBe` [1]
test $ f (IntSet.fromList [1, 2]) `Hspec.shouldBe` [1, 2]
-- Map
Hspec.describe "Cast [(k, v)] (Map k v)" $ do
let f = Witch.cast @[(Char, Int)] @(Map.Map Char Int)
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test $ f [] `Hspec.shouldBe` Map.empty
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test $ f [('a', 1)] `Hspec.shouldBe` Map.fromList [('a', 1)]
test $ f [('a', 1), ('b', 2)] `Hspec.shouldBe` Map.fromList [('a', 1), ('b', 2)]
test $ f [('a', 1), ('a', 2)] `Hspec.shouldBe` Map.fromList [('a', 2)]
Hspec.describe "Cast (Map k v) [(k, v)]" $ do
let f = Witch.cast @(Map.Map Char Int) @[(Char, Int)]
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test $ f Map.empty `Hspec.shouldBe` []
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test $ f (Map.fromList [('a', 1)]) `Hspec.shouldBe` [('a', 1)]
test $ f (Map.fromList [('a', 1), ('b', 2)]) `Hspec.shouldBe` [('a', 1), ('b', 2)]
-- IntMap
Hspec.describe "Cast [(Int, v)] (IntMap v)" $ do
let f = Witch.cast @[(Int, Char)] @(IntMap.IntMap Char)
test $ f [] `Hspec.shouldBe` IntMap.fromList []
test $ f [(1, 'a')] `Hspec.shouldBe` IntMap.fromList [(1, 'a')]
test $ f [(1, 'a'), (2, 'b')] `Hspec.shouldBe` IntMap.fromList [(1, 'a'), (2, 'b')]
test $ f [(1, 'a'), (1, 'b')] `Hspec.shouldBe` IntMap.fromList [(1, 'b')]
Hspec.describe "Cast (IntMap v) [(Int, v)]" $ do
let f = Witch.cast @(IntMap.IntMap Char) @[(Int, Char)]
test $ f (IntMap.fromList []) `Hspec.shouldBe` []
test $ f (IntMap.fromList [(1, 'a')]) `Hspec.shouldBe` [(1, 'a')]
test $ f (IntMap.fromList [(1, 'a'), (2, 'b')]) `Hspec.shouldBe` [(1, 'a'), (2, 'b')]
-- Seq
Hspec.describe "Cast [a] (Seq a)" $ do
let f = Witch.cast @[Int] @(Seq.Seq Int)
test $ f [] `Hspec.shouldBe` Seq.fromList []
test $ f [1] `Hspec.shouldBe` Seq.fromList [1]
test $ f [1, 2] `Hspec.shouldBe` Seq.fromList [1, 2]
Hspec.describe "Cast (Seq a) [a]" $ do
let f = Witch.cast @(Seq.Seq Int) @[Int]
test $ f (Seq.fromList []) `Hspec.shouldBe` []
test $ f (Seq.fromList [1]) `Hspec.shouldBe` [1]
test $ f (Seq.fromList [1, 2]) `Hspec.shouldBe` [1, 2]
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-- ByteString
Hspec.describe "Cast [Word8] ByteString" $ do
let f = Witch.cast @[Word.Word8] @ByteString.ByteString
test $ f [] `Hspec.shouldBe` ByteString.pack []
test $ f [0x00] `Hspec.shouldBe` ByteString.pack [0x00]
test $ f [0x0f, 0xf0] `Hspec.shouldBe` ByteString.pack [0x0f, 0xf0]
Hspec.describe "Cast ByteString [Word8]" $ do
let f = Witch.cast @ByteString.ByteString @[Word.Word8]
test $ f (ByteString.pack []) `Hspec.shouldBe` []
test $ f (ByteString.pack [0x00]) `Hspec.shouldBe` [0x00]
test $ f (ByteString.pack [0x0f, 0xf0]) `Hspec.shouldBe` [0x0f, 0xf0]
Hspec.describe "Cast ByteString LazyByteString" $ do
let f = Witch.cast @ByteString.ByteString @LazyByteString.ByteString
test $ f (ByteString.pack []) `Hspec.shouldBe` LazyByteString.pack []
test $ f (ByteString.pack [0x00]) `Hspec.shouldBe` LazyByteString.pack [0x00]
test $ f (ByteString.pack [0x0f, 0xf0]) `Hspec.shouldBe` LazyByteString.pack [0x0f, 0xf0]
Hspec.describe "Cast ByteString ShortByteString" $ do
let f = Witch.cast @ByteString.ByteString @ShortByteString.ShortByteString
test $ f (ByteString.pack []) `Hspec.shouldBe` ShortByteString.pack []
test $ f (ByteString.pack [0x00]) `Hspec.shouldBe` ShortByteString.pack [0x00]
test $ f (ByteString.pack [0x0f, 0xf0]) `Hspec.shouldBe` ShortByteString.pack [0x0f, 0xf0]
-- LazyByteString
Hspec.describe "Cast [Word8] LazyByteString" $ do
let f = Witch.cast @[Word.Word8] @LazyByteString.ByteString
test $ f [] `Hspec.shouldBe` LazyByteString.pack []
test $ f [0x00] `Hspec.shouldBe` LazyByteString.pack [0x00]
test $ f [0x0f, 0xf0] `Hspec.shouldBe` LazyByteString.pack [0x0f, 0xf0]
Hspec.describe "Cast LazyByteString [Word8]" $ do
let f = Witch.cast @LazyByteString.ByteString @[Word.Word8]
test $ f (LazyByteString.pack []) `Hspec.shouldBe` []
test $ f (LazyByteString.pack [0x00]) `Hspec.shouldBe` [0x00]
test $ f (LazyByteString.pack [0x0f, 0xf0]) `Hspec.shouldBe` [0x0f, 0xf0]
Hspec.describe "Cast LazyByteString ByteString" $ do
let f = Witch.cast @LazyByteString.ByteString @ByteString.ByteString
test $ f (LazyByteString.pack []) `Hspec.shouldBe` ByteString.pack []
test $ f (LazyByteString.pack [0x00]) `Hspec.shouldBe` ByteString.pack [0x00]
test $ f (LazyByteString.pack [0x0f, 0xf0]) `Hspec.shouldBe` ByteString.pack [0x0f, 0xf0]
-- ShortByteString
Hspec.describe "Cast [Word8] ShortByteString" $ do
let f = Witch.cast @[Word.Word8] @ShortByteString.ShortByteString
test $ f [] `Hspec.shouldBe` ShortByteString.pack []
test $ f [0x00] `Hspec.shouldBe` ShortByteString.pack [0x00]
test $ f [0x0f, 0xf0] `Hspec.shouldBe` ShortByteString.pack [0x0f, 0xf0]
Hspec.describe "Cast ShortByteString [Word8]" $ do
let f = Witch.cast @ShortByteString.ShortByteString @[Word.Word8]
test $ f (ShortByteString.pack []) `Hspec.shouldBe` []
test $ f (ShortByteString.pack [0x00]) `Hspec.shouldBe` [0x00]
test $ f (ShortByteString.pack [0x0f, 0xf0]) `Hspec.shouldBe` [0x0f, 0xf0]
Hspec.describe "Cast ShortByteString ByteString" $ do
let f = Witch.cast @ShortByteString.ShortByteString @ByteString.ByteString
test $ f (ShortByteString.pack []) `Hspec.shouldBe` ByteString.pack []
test $ f (ShortByteString.pack [0x00]) `Hspec.shouldBe` ByteString.pack [0x00]
test $ f (ShortByteString.pack [0x0f, 0xf0]) `Hspec.shouldBe` ByteString.pack [0x0f, 0xf0]
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-- Text
Hspec.describe "Cast String Text" $ do
let f = Witch.cast @String @Text.Text
test $ f "" `Hspec.shouldBe` Text.pack ""
test $ f "a" `Hspec.shouldBe` Text.pack "a"
test $ f "ab" `Hspec.shouldBe` Text.pack "ab"
Hspec.describe "Cast Text String" $ do
let f = Witch.cast @Text.Text @String
test $ f (Text.pack "") `Hspec.shouldBe` ""
test $ f (Text.pack "a") `Hspec.shouldBe` "a"
test $ f (Text.pack "ab") `Hspec.shouldBe` "ab"
Hspec.describe "Cast Text LazyText" $ do
let f = Witch.cast @Text.Text @LazyText.Text
test $ f (Text.pack "") `Hspec.shouldBe` LazyText.pack ""
test $ f (Text.pack "a") `Hspec.shouldBe` LazyText.pack "a"
test $ f (Text.pack "ab") `Hspec.shouldBe` LazyText.pack "ab"
-- LazyText
Hspec.describe "Cast String LazyText" $ do
let f = Witch.cast @String @LazyText.Text
test $ f "" `Hspec.shouldBe` LazyText.pack ""
test $ f "a" `Hspec.shouldBe` LazyText.pack "a"
test $ f "ab" `Hspec.shouldBe` LazyText.pack "ab"
Hspec.describe "Cast LazyText String" $ do
let f = Witch.cast @LazyText.Text @String
test $ f (LazyText.pack "") `Hspec.shouldBe` ""
test $ f (LazyText.pack "a") `Hspec.shouldBe` "a"
test $ f (LazyText.pack "ab") `Hspec.shouldBe` "ab"
Hspec.describe "Cast LazyText Text" $ do
let f = Witch.cast @LazyText.Text @Text.Text
test $ f (LazyText.pack "") `Hspec.shouldBe` Text.pack ""
test $ f (LazyText.pack "a") `Hspec.shouldBe` Text.pack "a"
test $ f (LazyText.pack "ab") `Hspec.shouldBe` Text.pack "ab"
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test :: Hspec.Example a => a -> Hspec.SpecWith (Hspec.Arg a)
test = Hspec.it ""
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untested :: Hspec.SpecWith a
untested = Hspec.runIO $ Exception.throwIO Untested
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data Untested
= Untested
deriving (Eq, Show)
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instance Exception.Exception Untested
newtype Name
= Name String
deriving (Eq, Show)
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instance Witch.Cast Name String
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instance Witch.Cast String Name