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
import Test.QuickCheck
instance Arbitrary LocalTime where
arbitrary = LocalTime <$> arbitrary ⊛ arbitrary
+instance Eq ZonedTime where
+ a == b = zonedTimeToUTC a ≡ zonedTimeToUTC b
+
+instance Arbitrary TimeZone where
+ arbitrary
+ = do m ← choose (-1439, 1439)
+ s ← arbitrary
+ n ← arbitrary
+ return $ TimeZone m s n
+
+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"
- ≡ Right (LocalTime (ModifiedJulianDay 49662) (TimeOfDay 8 49 37)) )
- , property ( Asctime.toAscii (LocalTime (ModifiedJulianDay 49662) (TimeOfDay 8 49 37))
- ≡ "Sun Nov 6 08:49:37 1994" )
+ ≡ Right referenceLocalTime )
+
+ , property ( "Sun Nov 6 08:49:37 1994"
+ ≡ Asctime.toAscii referenceLocalTime )
+
, 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 )
+
+ , property ( "Sun, 06 Nov 1994 08:49:37 GMT"
+ ≡ 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
+ = LocalTime (ModifiedJulianDay 49662) (TimeOfDay 8 49 37)
+
+ referenceZonedTime
+ = ZonedTime referenceLocalTime utc
+
+ ut2lt = utcToLocalTime utc
+
+ ut2zt = utcToZonedTime utc