diff options
Diffstat (limited to 'Utility/QuickCheck.hs')
| -rw-r--r-- | Utility/QuickCheck.hs | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/Utility/QuickCheck.hs b/Utility/QuickCheck.hs index cd408dd..2009476 100644 --- a/Utility/QuickCheck.hs +++ b/Utility/QuickCheck.hs @@ -6,7 +6,7 @@ -} {-# OPTIONS_GHC -fno-warn-orphans #-} -{-# LANGUAGE TypeSynonymInstances #-} +{-# LANGUAGE TypeSynonymInstances, CPP #-} module Utility.QuickCheck ( module X @@ -21,19 +21,18 @@ import qualified Data.Set as S import Control.Applicative import Prelude +#if ! MIN_VERSION_QuickCheck(2,8,2) instance (Arbitrary k, Arbitrary v, Eq k, Ord k) => Arbitrary (M.Map k v) where arbitrary = M.fromList <$> arbitrary instance (Arbitrary v, Eq v, Ord v) => Arbitrary (S.Set v) where arbitrary = S.fromList <$> arbitrary +#endif {- Times before the epoch are excluded. -} instance Arbitrary POSIXTime where arbitrary = fromInteger <$> nonNegative arbitrarySizedIntegral -instance Arbitrary EpochTime where - arbitrary = fromInteger <$> nonNegative arbitrarySizedIntegral - {- Pids are never negative, or 0. -} instance Arbitrary ProcessID where arbitrary = arbitrarySizedBoundedIntegral `suchThat` (> 0) |