![](haskell_icon.gif) | QuickCheck-1.2.0.0: Automatic testing of Haskell programs | Contents | Index |
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Test.QuickCheck | Portability | portable | Stability | experimental | Maintainer | libraries@haskell.org |
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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.
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Documentation |
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quickCheck :: Testable a => a -> IO () |
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data Config |
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defaultConfig :: Config |
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check :: Testable a => Config -> a -> IO () |
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forAll :: (Show a, Testable b) => Gen a -> (a -> b) -> Property |
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(==>) :: Testable a => Bool -> a -> Property |
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label :: Testable a => String -> a -> Property |
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collect :: (Show a, Testable b) => a -> b -> Property |
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classify :: Testable a => Bool -> String -> a -> Property |
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trivial :: Testable a => Bool -> a -> Property |
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data Gen a |
Instances | |
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elements :: [a] -> Gen a |
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two :: Monad m => m a -> m (a, a) |
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three :: Monad m => m a -> m (a, a, a) |
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four :: Monad m => m a -> m (a, a, a, a) |
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sized :: (Int -> Gen a) -> Gen a |
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resize :: Int -> Gen a -> Gen a |
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choose :: Random a => (a, a) -> Gen a |
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oneof :: [Gen a] -> Gen a |
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frequency :: [(Int, Gen a)] -> Gen a |
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vector :: Arbitrary a => Int -> Gen [a] |
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class Arbitrary a where |
| Methods | arbitrary :: Gen a | | coarbitrary :: a -> Gen b -> Gen b |
| | Instances | Arbitrary Bool | Arbitrary Double | Arbitrary Float | Arbitrary Int | Arbitrary Integer | Arbitrary () | Arbitrary a => Arbitrary ([] a) | Arbitrary a => Arbitrary (Maybe a) | Arbitrary (Poly a) | (Arbitrary a, Arbitrary b) => Arbitrary (a -> b) | (Arbitrary a, Arbitrary b) => Arbitrary (Either a b) | (Arbitrary a, Arbitrary b) => Arbitrary ((,) a b) | (Arbitrary a, Arbitrary b, Arbitrary c) => Arbitrary ((,,) a b c) | (Arbitrary a, Arbitrary b, Arbitrary c, Arbitrary d) => Arbitrary ((,,,) a b c d) |
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rand :: Gen StdGen |
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promote :: (a -> Gen b) -> Gen (a -> b) |
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variant :: Int -> Gen a -> Gen a |
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class Testable a where |
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data Property |
Instances | |
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data Result |
Constructors | | Instances | |
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generate :: Int -> StdGen -> Gen a -> a |
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evaluate :: Testable a => a -> Gen Result |
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