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module Property
  ( propertyTests
  )
where

import qualified Data.Graph.Inductive              as G
import           Data.Graph.Inductive.PatriciaTree (Gr)
import           Test.Tasty
import qualified Test.Tasty.QuickCheck             as QC
import           VeriFuzz
import qualified VeriFuzz.RandomAlt                as V

newtype TestGraph = TestGraph { getGraph :: Gr Gate () }
                  deriving (Show)

newtype AltTestGraph = AltTestGraph { getAltGraph :: Gr Gate () }
                  deriving (Show)

instance QC.Arbitrary TestGraph where
  arbitrary = TestGraph <$> QC.resize 30 randomDAG

instance QC.Arbitrary AltTestGraph where
  arbitrary = AltTestGraph <$> QC.resize 100 V.randomDAG

simpleGraph :: TestTree
simpleGraph = QC.testProperty "simple graph generation check" $ \graph -> simp graph
  where simp = G.isSimple . getGraph

simpleAltGraph :: TestTree
simpleAltGraph = QC.testProperty "simple alternative graph generation check" $ \graph -> simp graph
  where simp = G.isSimple . getAltGraph

propertyTests :: TestTree
propertyTests = testGroup "Property Tests" [simpleGraph, simpleAltGraph]