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Test that tableOfContentsBy will drop everything with the constant Nothing function.

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Rob Rix 2017-05-10 17:01:42 -04:00
parent 120e76a865
commit 0bb408bf06
1 changed files with 3 additions and 0 deletions
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3
test/TOCSpec.hs
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@ -28,6 +28,9 @@ import Test.LeanCheck
spec :: Spec
spec = parallel $ do
describe "tableOfContentsBy" $ do
prop "drops all nodes with the constant Nothing function" $
\ diff -> tableOfContentsBy (const Nothing :: a -> Maybe ()) (unListableDiff diff :: Diff (Syntax ()) ()) `shouldBe` []
describe "diffTOC" $ do
it "blank if there are no methods" $
diffTOC blankDiffBlobs blankDiff `shouldBe` [ ]