Lava.Property

Documentation

data Gen a

Instances

Monad Gen

Methods

(>>=) :: Gen a -> (a -> Gen b) -> Gen b

(>>) :: Gen a -> Gen b -> Gen b

return :: a -> Gen a

fail :: String -> Gen a

Functor Gen

Methods

fmap :: (a -> b) -> Gen a -> Gen b

(<$) :: a -> Gen b -> Gen a

Applicative Gen

Methods

pure :: a -> Gen a

(<*>) :: Gen (a -> b) -> Gen a -> Gen b

(*>) :: Gen a -> Gen b -> Gen b

(<*) :: Gen a -> Gen b -> Gen a

Checkable a => Checkable (Gen a)

Methods

property :: Gen a -> Property

generate :: Gen a -> IO a

class ChoiceWithSig a

Minimal complete definition

ifThenElseWithSig

Instances

ChoiceWithSig Bool

Methods

ifThenElseWithSig :: Choice b => Signal Bool -> (b, b) -> b

class Fresh a where

Minimal complete definition

fresh

Methods

fresh :: Gen a

Instances

Fresh ()

Methods

fresh :: Gen ()

ConstructiveSig a => Fresh (Signal a)

Methods

fresh :: Gen (Signal a)

(CoFresh a, Choice b, Fresh b) => Fresh (a -> b)

Methods

fresh :: Gen (a -> b)

(Fresh a, Fresh b) => Fresh (a, b)

Methods

fresh :: Gen (a, b)

(Fresh a, Fresh b, Fresh c) => Fresh (a, b, c)

Methods

fresh :: Gen (a, b, c)

(Fresh a, Fresh b, Fresh c, Fresh d) => Fresh (a, b, c, d)

Methods

fresh :: Gen (a, b, c, d)

(Fresh a, Fresh b, Fresh c, Fresh d, Fresh e) => Fresh (a, b, c, d, e)

Methods

fresh :: Gen (a, b, c, d, e)

(Fresh a, Fresh b, Fresh c, Fresh d, Fresh e, Fresh f) => Fresh (a, b, c, d, e, f)

Methods

fresh :: Gen (a, b, c, d, e, f)

(Fresh a, Fresh b, Fresh c, Fresh d, Fresh e, Fresh f, Fresh g) => Fresh (a, b, c, d, e, f, g)

Methods

fresh :: Gen (a, b, c, d, e, f, g)

class CoFresh a where

Minimal complete definition

cofresh

Methods

cofresh :: (Choice b, Fresh b) => Gen b -> Gen (a -> b)

Instances

CoFresh ()

Methods

cofresh :: (Choice b, Fresh b) => Gen b -> Gen (() -> b)

CoFresh a => CoFresh [a]

Methods

cofresh :: (Choice b, Fresh b) => Gen b -> Gen ([a] -> b)

ChoiceWithSig a => CoFresh (Signal a)

Methods

cofresh :: (Choice b, Fresh b) => Gen b -> Gen (Signal a -> b)

(Finite a, CoFresh b) => CoFresh (a -> b)

Methods

cofresh :: (Choice b, Fresh b) => Gen b -> Gen ((a -> b) -> b)

(CoFresh a, CoFresh b) => CoFresh (a, b)

Methods

cofresh :: (Choice b, Fresh b) => Gen b -> Gen ((a, b) -> b)

(CoFresh a, CoFresh b, CoFresh c) => CoFresh (a, b, c)

Methods

cofresh :: (Choice b, Fresh b) => Gen b -> Gen ((a, b, c) -> b)

(CoFresh a, CoFresh b, CoFresh c, CoFresh d) => CoFresh (a, b, c, d)

Methods

cofresh :: (Choice b, Fresh b) => Gen b -> Gen ((a, b, c, d) -> b)

(CoFresh a, CoFresh b, CoFresh c, CoFresh d, CoFresh e) => CoFresh (a, b, c, d, e)

Methods

cofresh :: (Choice b, Fresh b) => Gen b -> Gen ((a, b, c, d, e) -> b)

(CoFresh a, CoFresh b, CoFresh c, CoFresh d, CoFresh e, CoFresh f) => CoFresh (a, b, c, d, e, f)

Methods

cofresh :: (Choice b, Fresh b) => Gen b -> Gen ((a, b, c, d, e, f) -> b)

(CoFresh a, CoFresh b, CoFresh c, CoFresh d, CoFresh e, CoFresh f, CoFresh g) => CoFresh (a, b, c, d, e, f, g)

Methods

cofresh :: (Choice b, Fresh b) => Gen b -> Gen ((a, b, c, d, e, f, g) -> b)

double :: Gen a -> Gen (a, a)

triple :: Gen a -> Gen (a, a, a)

list :: Fresh a => Int -> Gen [a]

listOf :: Int -> Gen a -> Gen [a]

results :: Int -> Gen (a -> b) -> Gen (a -> [b])

sequential :: (CoFresh a, Fresh b, Choice b) => Int -> Gen (a -> b)

forAll :: (ShowModel a, Checkable b) => Gen a -> (a -> b) -> Property

newtype Property

Constructors

P (Gen ([Signal Bool], Model -> [[String]]))

Instances

Checkable Property

Methods

property :: Property -> Property

class Checkable a where

Minimal complete definition

property

Methods

property :: a -> Property

Instances

Checkable Bool

Methods

property :: Bool -> Property

Checkable Property

Methods

property :: Property -> Property

Checkable a => Checkable [a]

Methods

property :: [a] -> Property

Checkable a => Checkable (Signal a)

Methods

property :: Signal a -> Property

Checkable a => Checkable (Gen a)

Methods

property :: Gen a -> Property

(Fresh a, ShowModel a, Checkable b) => Checkable (a -> b)

Methods

property :: (a -> b) -> Property

class ShowModel a where

Minimal complete definition

showModel

Methods

showModel :: Model -> a -> [String]

Instances

ShowModel ()

Methods

showModel :: Model -> () -> [String]

ShowModel a => ShowModel [a]

Methods

showModel :: Model -> [a] -> [String]

ShowModel (Signal a)

Methods

showModel :: Model -> Signal a -> [String]

ShowModel (a -> b)

Methods

showModel :: Model -> (a -> b) -> [String]

(ShowModel a, ShowModel b) => ShowModel (a, b)

Methods

showModel :: Model -> (a, b) -> [String]

(ShowModel a, ShowModel b, ShowModel c) => ShowModel (a, b, c)

Methods

showModel :: Model -> (a, b, c) -> [String]

(ShowModel a, ShowModel b, ShowModel c, ShowModel d) => ShowModel (a, b, c, d)

Methods

showModel :: Model -> (a, b, c, d) -> [String]

(ShowModel a, ShowModel b, ShowModel c, ShowModel d, ShowModel e) => ShowModel (a, b, c, d, e)

Methods

showModel :: Model -> (a, b, c, d, e) -> [String]

(ShowModel a, ShowModel b, ShowModel c, ShowModel d, ShowModel e, ShowModel f) => ShowModel (a, b, c, d, e, f)

Methods

showModel :: Model -> (a, b, c, d, e, f) -> [String]

(ShowModel a, ShowModel b, ShowModel c, ShowModel d, ShowModel e, ShowModel f, ShowModel g) => ShowModel (a, b, c, d, e, f, g)

Methods

showModel :: Model -> (a, b, c, d, e, f, g) -> [String]

type Model = [(String, [String])]

properties :: Checkable a => a -> IO ([Signal Bool], Model -> [[String]])