genvalidity-hspec-0.4.0.0: Standard spec's for GenValidity instances

Safe HaskellNone
LanguageHaskell2010

Test.Validity.Arbitrary

Description

Tests for Arbitrary instances involving Validity

You will need TypeApplications to use these.

Synopsis

Documentation

arbitrarySpec :: forall a. (Typeable a, Show a, Validity a, Arbitrary a) => Spec Source #

A Spec that specifies that arbitrary only generates data that satisfy isValid

Example usage:

arbitrarySpec @Int

arbitraryGeneratesOnlyValid :: forall a. (Show a, Validity a, Arbitrary a) => Property Source #

arbitrary only generates valid data

arbitraryGeneratesOnlyValid @Int