From 82ecd61f5c699cf3af6c4eadf47a1c52b1d696c6 Mon Sep 17 00:00:00 2001 From: Aspen Smith Date: Sun, 11 Feb 2024 22:00:40 -0500 Subject: chore(users): grfn -> aspen Change-Id: I6c6847fac56f0a9a1a2209792e00a3aec5e672b9 Reviewed-on: https://cl.tvl.fyi/c/depot/+/10809 Autosubmit: aspen Reviewed-by: sterni Tested-by: BuildkiteCI Reviewed-by: lukegb --- users/aspen/xanthous/test/Xanthous/UtilSpec.hs | 46 ++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 users/aspen/xanthous/test/Xanthous/UtilSpec.hs (limited to 'users/aspen/xanthous/test/Xanthous/UtilSpec.hs') diff --git a/users/aspen/xanthous/test/Xanthous/UtilSpec.hs b/users/aspen/xanthous/test/Xanthous/UtilSpec.hs new file mode 100644 index 000000000000..684a03b2c7a0 --- /dev/null +++ b/users/aspen/xanthous/test/Xanthous/UtilSpec.hs @@ -0,0 +1,46 @@ +module Xanthous.UtilSpec (main, test) where + +import Test.Prelude +import Xanthous.Util +import Control.Monad.State.Lazy (execState) + +main :: IO () +main = defaultMain test + +test :: TestTree +test = testGroup "Xanthous.Util" + [ testGroup "smallestNotIn" + [ testCase "examples" $ do + smallestNotIn [7 :: Word, 3, 7] @?= 0 + smallestNotIn [7 :: Word, 0, 1, 3, 7] @?= 2 + , testProperty "returns an element not in the list" $ \(xs :: [Word]) -> + smallestNotIn xs `notElem` xs + , testProperty "pred return is in the list" $ \(xs :: [Word]) -> + let res = smallestNotIn xs + in res /= 0 ==> pred res `elem` xs + , testProperty "ignores order" $ \(xs :: [Word]) -> + forAll (shuffle xs) $ \shuffledXs -> + smallestNotIn xs === smallestNotIn shuffledXs + ] + , testGroup "takeWhileInclusive" + [ testProperty "takeWhileInclusive (const True) ≡ id" + $ \(xs :: [Int]) -> takeWhileInclusive (const True) xs === xs + ] + , testGroup "endoTimes" + [ testCase "endoTimes 4 succ 5" + $ endoTimes (4 :: Int) succ (5 :: Int) @?= 9 + ] + , testGroup "modifyKL" + [ testCase "_1 += 1" + $ execState (modifyKL _1 $ pure . succ) (1 :: Int, 2 :: Int) @?= (2, 2) + ] + , testGroup "removeFirst" + [ testCase "example" $ + removeFirst @[Int] (> 5) [1..10] @?= [1, 2, 3, 4, 5, 7, 8, 9, 10] + , testProperty "the result is the right length" $ \(xs :: [Int]) p -> + length (removeFirst p xs) `elem` [length xs, length xs - 1] + ] + , testGroup "AlphaChar" + [ testCase "succ 'z'" $ succ (AlphaChar 'z') @?= AlphaChar 'A' + ] + ] -- cgit 1.4.1