import Control.Applicative.Unicode
import Data.Time
import qualified Data.Time.Asctime as Asctime
+import qualified Data.Time.HTTP as HTTP
+import qualified Data.Time.RFC733 as RFC733
import qualified Data.Time.RFC1123 as RFC1123
import System.Exit
import Prelude.Unicode
instance Arbitrary ZonedTime where
arbitrary = ZonedTime <$> arbitrary ⊛ arbitrary
+instance Arbitrary DiffTime where
+ arbitrary = secondsToDiffTime <$> choose (0, 86400)
+
+instance Arbitrary UTCTime where
+ arbitrary = UTCTime <$> arbitrary ⊛ arbitrary
+
tests ∷ [Property]
tests = [ -- Asctime
property ( Asctime.fromAscii "Sun Nov 6 08:49:37 1994"
, property $ \lt → Right lt ≡ Asctime.fromAscii (Asctime.toAscii lt)
+ -- RFC733
+ , property ( RFC733.fromAscii "Sunday, 06-Nov-94 08:49:37 GMT"
+ ≡ Right referenceZonedTime )
+
+ , property ( "Sunday, 06-Nov-1994 08:49:37 GMT"
+ ≡ RFC733.toAscii referenceZonedTime )
+
+ , property $ \zt → Right zt ≡ RFC733.fromAscii (RFC733.toAscii zt)
+
-- RFC1123
, property ( RFC1123.fromAscii "Sun, 06 Nov 1994 08:49:37 GMT"
≡ Right referenceZonedTime )
≡ RFC1123.toAscii referenceZonedTime )
, property $ \zt → Right zt ≡ RFC1123.fromAscii (RFC1123.toAscii zt)
+
+ -- HTTP
+ , property $ \ut → Right ut ≡ HTTP.fromAscii (HTTP.toAscii ut )
+ , property $ \ut → Right ut ≡ HTTP.fromAscii (Asctime.toAscii (ut2lt ut))
+ , property $ \ut → Right ut ≡ HTTP.fromAscii (RFC733.toAscii (ut2zt ut))
+ , property $ \ut → Right ut ≡ HTTP.fromAscii (RFC1123.toAscii (ut2zt ut))
]
where
referenceLocalTime
referenceZonedTime
= ZonedTime referenceLocalTime utc
+
+ ut2lt = utcToLocalTime utc
+
+ ut2zt = utcToZonedTime utc