genvalidity-hspec-0.2.0.5: Standard spec's for GenValidity instances

Safe HaskellNone
LanguageHaskell2010

Test.Validity.Functions.Inverse

Contents

Synopsis

Standard tests involving inverse functions

inverseFunctionsOnGen :: (Show a, Eq a) => (a -> b) -> (b -> a) -> Gen a -> Property Source #

inverseFunctionsOnValid :: (Show a, Eq a, GenValidity a) => (a -> b) -> (b -> a) -> Property Source #

inverseFunctions :: (Show a, Eq a, GenValidity a) => (a -> b) -> (b -> a) -> Property Source #

inverseFunctionsOnArbitrary :: (Show a, Eq a, Arbitrary a) => (a -> b) -> (b -> a) -> Property Source #

id is its own inverse function for every type: prop> inverseFunctionsOnArbitrary id (id :: Int -> Int)

inverseFunctionsIfFirstSucceedsOnGen :: (Show a, Eq a, CanFail f) => (a -> f b) -> (b -> a) -> Gen a -> Property Source #

inverseFunctionsIfFirstSucceedsOnValid :: (Show a, Eq a, GenValidity a, CanFail f) => (a -> f b) -> (b -> a) -> Property Source #

inverseFunctionsIfFirstSucceeds :: (Show a, Eq a, GenValidity a, CanFail f) => (a -> f b) -> (b -> a) -> Property Source #

inverseFunctionsIfSecondSucceedsOnGen :: (Show a, Eq a, CanFail f) => (a -> b) -> (b -> f a) -> Gen a -> Property Source #

inverseFunctionsIfSecondSucceedsOnValid :: (Show a, Eq a, GenValidity a, CanFail f) => (a -> b) -> (b -> f a) -> Property Source #

inverseFunctionsIfSecondSucceeds :: (Show a, Eq a, GenValidity a, CanFail f) => (a -> b) -> (b -> f a) -> Property Source #

inverseFunctionsIfSucceedOnGen :: (Show a, Eq a, CanFail f, CanFail g) => (a -> f b) -> (b -> g a) -> Gen a -> Property Source #

inverseFunctionsIfSucceedOnValid :: (Show a, Eq a, GenValidity a, CanFail f, CanFail g) => (a -> f b) -> (b -> g a) -> Property Source #

inverseFunctionsIfSucceed :: (Show a, Eq a, GenValidity a, CanFail f, CanFail g) => (a -> f b) -> (b -> g a) -> Property Source #

inverseFunctionsIfSucceedOnArbitrary :: (Show a, Eq a, Arbitrary a, CanFail f, CanFail g) => (a -> f b) -> (b -> g a) -> Property Source #