2016-07-26 10:56:52 +03:00
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module Data.Mergeable.Spec where
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2016-07-26 10:58:14 +03:00
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2016-07-26 11:02:52 +03:00
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import Data.Functor.Identity
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import Data.Mergeable
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2016-07-26 10:58:14 +03:00
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import Prologue
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import Test.Hspec
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2016-07-26 11:02:52 +03:00
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import Test.Hspec.QuickCheck
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2016-07-26 10:58:14 +03:00
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spec :: Spec
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2016-07-26 11:02:52 +03:00
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spec = do
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2016-07-26 11:04:24 +03:00
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sequenceAltLaws
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sequenceAltLaws :: Spec
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sequenceAltLaws = do
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2016-07-26 11:02:52 +03:00
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describe "sequenceAlt" $ do
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prop "identity" $
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\ a -> sequenceAlt (fmap Just a) `shouldBe` Just (a :: [Char])
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