import Text.Printf
import System.Random
import Data.Word
+import Test.HUnit.Utils
+import Text.ParserCombinators.Parsec
(@=?) :: (Eq a, Show a) => a -> a -> Result
expected @=? actual =
randomR (toInteger a, toInteger b) g
random g = randomR (minBound, maxBound) g
+instance Arbitrary Char where
+ arbitrary = sized $ \n -> choose (toEnum 0, min (toEnum (n * 0x50)) maxBound)
+ coarbitrary n = variant (toEnum (2 * x + 1))
+ where x = (abs . fromEnum $ n)::Int
+
-- Modified from HUnit
runVerbTestText :: HU.PutText st -> HU.Test -> IO (HU.Counts, st)
runVerbTestText (HU.PutText put us) t = do
us'' <- put (HU.showCounts counts) True us'
return (counts, us'')
where
- reportStart ss us = do hPrintf stderr "\rTesting %-68s\n" (HU.showPath (HU.path ss))
+ reportStart ss us = do hPrintf stdout "\rTesting %-70s\n"
+ (HU.showPath (HU.path ss))
put (HU.showCounts (HU.counts ss)) False us
reportError = reportProblem "Error:" "Error in: "
reportFailure = reportProblem "Failure:" "Failure in: "
kind = if null path' then p0 else p1
path' = HU.showPath (HU.path ss)
+q :: Testable a => String -> a -> HU.Test
+q = qccheck (defaultConfig {configMaxTest = 250, configMaxFail = 20000,
+ configEvery = \_ _ -> ""})
+ -- configEvery = testCount for displaying a running test counter
+ where testCountBase n = " (test " ++ show n ++ "/250)"
+ testCount n _ = testCountBase n ++
+ replicate (length (testCountBase n)) '\b'
+
+qverbose :: Testable a => String -> a -> HU.Test
+qverbose = qccheck (defaultConfig {configMaxTest = 250, configMaxFail = 20000,
+ configEvery = \n args -> show n ++ ":\n" ++ unlines args})
+
+
+{- | Test a parser, forcing it to apply to all input. -}
+p parser input =
+ case parse parseTest "(none)" input of
+ Left _ -> Nothing
+ Right y -> Just y
+ where parseTest = do r <- parser
+ eof
+ return r
+