{-|
Module:      Spec.Data.Functor.TransSpec
Copyright:   (C) 2014-2015 Ryan Scott
License:     BSD-style (see the file LICENSE)
Maintainer:  Ryan Scott
Stability:   Provisional
Portability: GHC

@hspec@ tests for functor transformers.
-}
module Spec.Data.Functor.TransSpec (main, spec) where

import Data.Functor.Compose  (Compose)
import Data.Functor.Constant (Constant)
import Data.Functor.Product  (Product)
import Data.Functor.Reverse  (Reverse)
import Data.Functor.Sum      (Sum)

import Instances.Data.Functor.Trans ()

import Spec.Utils (prop_matchesTextShow)

import Test.Hspec (Spec, describe, hspec, parallel)
import Test.Hspec.QuickCheck (prop)

import TextShow.Data.Functor.Trans ()

main :: IO ()
main = hspec spec

spec :: Spec
spec = parallel $ do
    describe "Compose Maybe (Either Int) Char" $
        prop "TextShow instance" (prop_matchesTextShow :: Int -> Compose Maybe (Either Int) Char -> Bool)
    describe "Constant Int Char" $
        prop "TextShow instance" (prop_matchesTextShow :: Int -> Constant Int Char -> Bool)
    describe "Product Maybe (Either Int) Char" $
        prop "TextShow instance" (prop_matchesTextShow :: Int -> Product Maybe (Either Int) Char -> Bool)
    describe "Reverse Maybe Int" $
        prop "TextShow instance" (prop_matchesTextShow :: Int -> Reverse Maybe Int -> Bool)
    describe "Sum Maybe (Either Int) Char" $
        prop "TextShow instance" (prop_matchesTextShow :: Int -> Sum Maybe (Either Int) Char -> Bool)