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33 lines
1.1 KiB
Haskell
33 lines
1.1 KiB
Haskell
{-# OPTIONS_GHC -Wno-orphans #-}
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import Test.Tasty
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import Test.Tasty.HUnit hiding (assert)
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import Test.Tasty.QuickCheck as QC
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import Prelude (Eq (..), IO, Int, length, show, (!!), ($), (<>))
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import Nominal (Nominal (..))
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import OrbitList (repeatRationals, size)
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import Support (Rat (..))
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import SpecMap
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import SpecSet
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import SpecUtils ()
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main :: IO ()
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main = defaultMain allTests
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allTests :: TestTree
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allTests = testGroup "main" [setTests, mapTests, countingTests, qcTests]
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-- Verifying that the number of orbits is correct. Up to length 7, because
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-- length 8 and longer take at least one second.
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countingTests :: TestTree
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countingTests = testGroup "OrbitList" [testCase ("count " <> show n) $ length (OrbitList.size (repeatRationals n)) @?= (a000670 !! n) | n <- [0 .. 7]]
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-- A000670: Ordered Bell numbers or Fubini numbers
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a000670 :: [Int]
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a000670 = [1, 1, 3, 13, 75, 541, 4683, 47293, 545835, 7087261, 102247563, 1622632573, 28091567595]
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-- TODO: Add more quickcheck tests
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qcTests :: TestTree
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qcTests = testGroup "QuickCheck" [QC.testProperty "all atoms in same orbit" $ \p q -> toOrbit (p :: Rat) == toOrbit (q :: Rat)]
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