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module LatticeTest (suite) where
import Test.Tasty
import Test.Tasty.HUnit
import Lattice
suite :: TestTree
suite = testGroup "lattice tests" $
[ latticeGrowth
]
data GrowKind = Empty | Plant deriving (Show, Enum, Eq)
data GrowFlags = None deriving (Show, Eq)
latticeGrowth :: TestTree
latticeGrowth = testCase "growth update rule" $
let
plant = LatticeCell Plant None
empty = LatticeCell Empty None
lattice = [[ empty, empty, plant ]]
rules =
[
-- empty
\l x y ->
if kind ((l !! y) !! (x+1)) == Plant
then LatticeCell Plant None
else LatticeCell Empty None
-- plant
, \_ _ _ -> LatticeCell Plant None
] :: [LatticeRule GrowKind GrowFlags]
lattice' = updateLattice lattice rules
lattice'' = updateLattice lattice' rules
in do
lattice' @?= [[ empty, plant, plant ]]
lattice'' @?= [[ plant, plant, plant ]]
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