Change-Id: I6c6847fac56f0a9a1a2209792e00a3aec5e672b9 Reviewed-on: https://cl.tvl.fyi/c/depot/+/10809 Autosubmit: aspen <root@gws.fyi> Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI Reviewed-by: lukegb <lukegb@tvl.fyi>
		
			
				
	
	
		
			57 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			Haskell
		
	
	
	
	
	
			
		
		
	
	
			57 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			Haskell
		
	
	
	
	
	
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module Xanthous.Data.EntityMap.GraphicsSpec (main, test) where
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import Test.Prelude
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import Data.Aeson
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import Xanthous.Game.State
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import Xanthous.Data
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import Xanthous.Data.EntityMap
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import Xanthous.Data.EntityMap.Graphics
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import Xanthous.Entities.Environment (Wall(..))
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main :: IO ()
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main = defaultMain test
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test :: TestTree
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test = testGroup "Xanthous.Data.EntityMap.Graphics"
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  [ testGroup "visiblePositions"
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    [ testProperty "one step in each cardinal direction is always visible"
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      $ \pos (Cardinal dir) (Positive r) (wallPositions :: Set Position)->
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          pos `notMember` wallPositions ==>
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          let em = review _EntityMap . map (, Wall) . toList $ wallPositions
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              em' = em & atPosition (move dir pos) %~ (Wall <|)
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              poss = visiblePositions pos r em'
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          in counterexample ("visiblePositions: " <> show poss)
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             $ move dir pos `member` poss
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    , testGroup "bugs"
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      [ testCase "non-contiguous bug 1"
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        $ let charPos = Position 20 20
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              gormlakPos = Position 17 19
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              em = insertAt gormlakPos TestEntity
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                   . insertAt charPos TestEntity
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                   $ mempty
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              visPositions = visiblePositions charPos 12 em
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          in (gormlakPos `member` visPositions) @?
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             ( "not ("
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             <> show gormlakPos <> " `member` "
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             <> show visPositions
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             <> ")"
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             )
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      ]
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    ]
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  ]
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data TestEntity = TestEntity
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  deriving stock (Show, Eq, Ord, Generic)
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  deriving anyclass (ToJSON, FromJSON, NFData)
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instance Brain TestEntity where
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  step _ = pure
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instance Draw TestEntity
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instance Entity TestEntity where
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  description _ = ""
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  entityChar _ = "e"
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