cabal-test-quickcheck-0.1.1: test/Example.hs

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module Example (tests) where

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import Distribution.TestSuite.QuickCheck


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tests :: IO [Test]
tests = return
    [ testProperty "Succeeds" True
    , testProperty "Fails" False
    , testGroup "May fail" mayFail
    ]


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mayFail :: [Test]
mayFail =
    [ testProperty "Maybe fails" neqNegation
    , testProperty "Probably fails" $ not . neqNegation
    ]

neqNegation :: Int -> Bool
neqNegation x = x /= -x