path: root/test/Xanthous/Data/EntityMapSpec.hs

{-# LANGUAGE ApplicativeDo #-}
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module Xanthous.Data.EntityMapSpec where
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import Test.Prelude
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import Xanthous.Data.EntityMap
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main :: IO ()
main = defaultMain test

test :: TestTree
test = testGroup "Xanthous.Data.EntityMap"
  [ testBatch $ monoid @(EntityMap Int) mempty
  , testGroup "Eq laws"
    [ testProperty "reflexivity" $ \(em :: EntityMap Int) ->
        em == em
    , testProperty "symmetric" $ \(em₁ :: EntityMap Int) em₂ ->
        (em₁ == em₂) == (em₂ == em₁)
    , testProperty "transitive" $ \(em₁ :: EntityMap Int) em₂ em₃ ->
        if (em₁ == em₂ && em₂ == em₃)
        then (em₁ == em₃)
        else True
    ]
  ]