Safe Haskell | None |
---|---|
Language | Haskell2010 |
Test.Validity.Operations
Description
Properties of operations
- leftIdentityOnElemWithEquality :: (b -> a -> a) -> (a -> a -> Bool) -> b -> a -> Bool
- leftIdentityOnGenWithEquality :: Show a => (b -> a -> a) -> (a -> a -> Bool) -> b -> Gen a -> Property
- leftIdentityOnGen :: (Show a, Eq a) => (b -> a -> a) -> b -> Gen a -> Property
- leftIdentityOnValid :: (Show a, Eq a, GenValid a) => (b -> a -> a) -> b -> Property
- leftIdentity :: (Show a, Eq a, GenUnchecked a) => (b -> a -> a) -> b -> Property
- leftIdentityOnArbitrary :: (Show a, Eq a, Arbitrary a) => (b -> a -> a) -> b -> Property
- rightIdentityOnElemWithEquality :: (a -> b -> a) -> (a -> a -> Bool) -> b -> a -> Bool
- rightIdentityOnGenWithEquality :: Show a => (a -> b -> a) -> (a -> a -> Bool) -> b -> Gen a -> Property
- rightIdentityOnGen :: (Show a, Eq a) => (a -> b -> a) -> b -> Gen a -> Property
- rightIdentityOnValid :: (Show a, Eq a, GenValid a) => (a -> b -> a) -> b -> Property
- rightIdentity :: (Show a, Eq a, GenUnchecked a) => (a -> b -> a) -> b -> Property
- rightIdentityOnArbitrary :: (Show a, Eq a, Arbitrary a) => (a -> b -> a) -> b -> Property
- identityOnGen :: (Show a, Eq a) => (a -> a -> a) -> a -> Gen a -> Property
- identityOnValid :: (Show a, Eq a, GenValid a) => (a -> a -> a) -> a -> Property
- identity :: (Show a, Eq a, GenUnchecked a) => (a -> a -> a) -> a -> Property
- identityOnArbitrary :: (Show a, Eq a, Arbitrary a) => (a -> a -> a) -> a -> Property
- associativeOnGens :: (Show a, Eq a) => (a -> a -> a) -> Gen (a, a, a) -> Property
- associativeOnValids :: (Show a, Eq a, GenValid a) => (a -> a -> a) -> Property
- associative :: (Show a, Eq a, GenUnchecked a) => (a -> a -> a) -> Property
- associativeOnArbitrary :: (Show a, Eq a, Arbitrary a) => (a -> a -> a) -> Property
- commutativeOnGens :: (Show a, Eq a) => (a -> a -> a) -> Gen (a, a) -> Property
- commutativeOnValids :: (Show a, Eq a, GenValid a) => (a -> a -> a) -> Property
- commutative :: (Show a, Eq a, GenUnchecked a) => (a -> a -> a) -> Property
- commutativeOnArbitrary :: (Show a, Eq a, Arbitrary a) => (a -> a -> a) -> Property
Documentation
leftIdentityOnElemWithEquality #
Arguments
:: (b -> a -> a) | A binary operation |
-> (a -> a -> Bool) | An equality |
-> b | A candidate left-identity |
-> a | An element |
-> Bool |
\[ LeftIdentity(\star, \doteq, b) \quad\equiv\quad \forall a: (b \star a) \doteq a \]
leftIdentityOnValid :: (Show a, Eq a, GenValid a) => (b -> a -> a) -> b -> Property #
leftIdentityOnValid (flip ((^) :: Double -> Int -> Double)) 1
leftIdentity :: (Show a, Eq a, GenUnchecked a) => (b -> a -> a) -> b -> Property #
leftIdentity (flip ((^) :: Int -> Int -> Int)) 1
leftIdentityOnArbitrary :: (Show a, Eq a, Arbitrary a) => (b -> a -> a) -> b -> Property #
leftIdentityOnArbitrary (flip ((^) :: Int -> Int -> Int)) 1
rightIdentityOnElemWithEquality #
Arguments
:: (a -> b -> a) | A binary operation |
-> (a -> a -> Bool) | An equality |
-> b | A candidate right-identity |
-> a | An element |
-> Bool |
\[ RightIdentity(\star, \doteq, b) \quad\equiv\quad \forall a: (a \star b) \doteq a \]
rightIdentityOnValid :: (Show a, Eq a, GenValid a) => (a -> b -> a) -> b -> Property #
rightIdentityOnValid ((^) :: Double -> Int -> Double) 1
rightIdentity :: (Show a, Eq a, GenUnchecked a) => (a -> b -> a) -> b -> Property #
rightIdentity ((^) :: Int -> Int -> Int) 1
rightIdentityOnArbitrary :: (Show a, Eq a, Arbitrary a) => (a -> b -> a) -> b -> Property #
rightIdentityOnArbitrary ((^) :: Int -> Int -> Int) 1
identityOnValid :: (Show a, Eq a, GenValid a) => (a -> a -> a) -> a -> Property #
identityOnValid ((*) :: Double -> Double -> Double) 1
identityOnValid ((+) :: Double -> Double -> Double) 0
identity :: (Show a, Eq a, GenUnchecked a) => (a -> a -> a) -> a -> Property #
identity ((*) :: Int -> Int -> Int) 1
identity ((+) :: Int -> Int -> Int) 0
identityOnArbitrary :: (Show a, Eq a, Arbitrary a) => (a -> a -> a) -> a -> Property #
identityOnArbitrary ((*) :: Int -> Int -> Int) 1
identityOnArbitrary ((+) :: Int -> Int -> Int) 0
associative :: (Show a, Eq a, GenUnchecked a) => (a -> a -> a) -> Property #
associative ((*) :: Int -> Int -> Int)
associative ((+) :: Int -> Int -> Int)
associativeOnArbitrary :: (Show a, Eq a, Arbitrary a) => (a -> a -> a) -> Property #
associativeOnArbitrary ((*) :: Int -> Int -> Int)
associativeOnArbitrary ((+) :: Int -> Int -> Int)
commutativeOnValids :: (Show a, Eq a, GenValid a) => (a -> a -> a) -> Property #
commutative ((+) :: Double -> Double -> Double)
commutative ((*) :: Double -> Double -> Double)
commutative :: (Show a, Eq a, GenUnchecked a) => (a -> a -> a) -> Property #
commutative ((+) :: Int -> Int -> Int)
commutative ((*) :: Int -> Int -> Int)