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Add 'users/glittershark/xanthous/' from commit '53b56744f4'

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git-subtree-dir: users/glittershark/xanthous
git-subtree-mainline: 91f53f02d8
git-subtree-split: 53b56744f4
This commit is contained in:
Vincent Ambo 2020-06-16 01:05:44 +01:00
commit 2edb963b97
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users/glittershark/xanthous/test/Xanthous/Data/NestedMapSpec.hs Normal file
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--------------------------------------------------------------------------------
module Xanthous.Data.NestedMapSpec (main, test) where
--------------------------------------------------------------------------------
import Test.Prelude
--------------------------------------------------------------------------------
import Test.QuickCheck.Instances.Semigroup ()
--------------------------------------------------------------------------------
import qualified Xanthous.Data.NestedMap as NM
--------------------------------------------------------------------------------
main :: IO ()
main = defaultMain test
test :: TestTree
test = testGroup "Xanthous.Data.NestedMap"
[ testProperty "insert/lookup" $ \nm ks v ->
let nm' = NM.insert ks v nm
in counterexample ("inserted: " <> show nm')
$ NM.lookup @Map @Int @Int ks nm' === Just (NM.Val v)
]