Haskell Hierarchical Libraries (QuickCheck package)Source codeContentsIndex
Test.QuickCheck
Portabilityportable
Stabilityexperimental
Maintainerlibraries@haskell.org
Description
QuickCheck v.0.2 DRAFT implementation; last update 000104. Koen Claessen, John Hughes. This file represents work in progress, and might change at a later date.
Documentation
quickCheck :: Testable a => a -> IO ()
verboseCheck :: Testable a => a -> IO ()
test :: Testable a => a -> IO ()
data Config
Constructors
Config
configMaxTest :: Int
configMaxFail :: Int
configSize :: (Int -> Int)
configEvery :: (Int -> [String] -> String)
defaultConfig :: Config
check :: Testable a => Config -> a -> IO ()
forAll :: (Show a, Testable b) => Gen a -> (a -> b) -> Property
(==>) :: Testable a => Bool -> a -> Property
label :: Testable a => String -> a -> Property
collect :: (Show a, Testable b) => a -> b -> Property
classify :: Testable a => Bool -> String -> a -> Property
trivial :: Testable a => Bool -> a -> Property
data Gen a
show/hide Instances
elements :: [a] -> Gen a
two :: Monad m => m a -> m (a, a)
three :: Monad m => m a -> m (a, a, a)
four :: Monad m => m a -> m (a, a, a, a)
sized :: (Int -> Gen a) -> Gen a
resize :: Int -> Gen a -> Gen a
choose :: Random a => (a, a) -> Gen a
oneof :: [Gen a] -> Gen a
frequency :: [(Int, Gen a)] -> Gen a
vector :: Arbitrary a => Int -> Gen [a]
class Arbitrary a where
Methods
arbitrary :: Gen a
coarbitrary :: a -> Gen b -> Gen b
show/hide Instances
rand :: Gen StdGen
promote :: (a -> Gen b) -> Gen (a -> b)
variant :: Int -> Gen a -> Gen a
class Testable a where
Methods
property :: a -> Property
show/hide Instances
data Property
show/hide Instances
data Result
Constructors
Result
ok :: (Maybe Bool)
stamp :: [String]
arguments :: [String]
show/hide Instances
generate :: Int -> StdGen -> Gen a -> a
evaluate :: Testable a => a -> Gen Result
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