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{-|
Module: Spec.Control.ConcurrentSpec
Copyright: (C) 2014-2017 Ryan Scott
License: BSD-style (see the file LICENSE)
Maintainer: Ryan Scott
Stability: Provisional
Portability: GHC
@hspec@ tests for data types in the "Control.Concurrent" module.
-}
module Spec.Control.ConcurrentSpec (main, spec) where
import Control.Concurrent (myThreadId)
import Data.Proxy.Compat (Proxy(..))
import GHC.Conc (BlockReason, ThreadStatus)
import Instances.Control.Concurrent ()
import Prelude ()
import Prelude.Compat
import Spec.Utils (matchesTextShowSpec, prop_matchesTextShow)
import Test.Hspec (Spec, describe, hspec, parallel)
import Test.Hspec.QuickCheck (prop)
import Test.QuickCheck (Property, ioProperty)
main :: IO ()
main = hspec spec
spec :: Spec
spec = parallel $ do
describe "BlockReason" $
matchesTextShowSpec (Proxy :: Proxy BlockReason)
describe "ThreadId" $
prop "TextShow instance" prop_showThreadId
describe "ThreadStatus" $
matchesTextShowSpec (Proxy :: Proxy ThreadStatus)
-- | Verifies the 'Show' instance for 'ThreadId' is accurate.
prop_showThreadId :: Int -> Property
prop_showThreadId p = ioProperty $ do
tid <- myThreadId
pure $ prop_matchesTextShow p tid
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