symantic-lib/test/HUnit/Foldable.hs

   1 {-# OPTIONS_GHC -fno-warn-missing-signatures #-}
   2 module HUnit.Foldable where
   3
   4 import Test.Tasty
   5 import Data.Either (Either(..))
   6 import Data.Foldable (Foldable)
   7 import Data.Int (Int)
   8 import Data.Proxy (Proxy(..))
   9 import Prelude (Integer)
  10
  11 import Language.Symantic.Lib
  12 import Testing.Compiling
  13
  14 type SS =
  15  [ Proxy (->)
  16  , Proxy Int
  17  , Proxy Integer
  18  , Proxy []
  19  , Proxy ()
  20  , Proxy (,)
  21  , Proxy Foldable
  22  ]
  23 (==>) = readTe @() @SS
  24
  25 hunits :: TestTree
  26 hunits = testGroup "Foldable"
  27  [ {-"[]" ==> Right (tyList (tyVar "a" varZ), [], "[]")
  28  ,-} "[1, 2, 3]" ==> Right (tyList tyInteger, [1, 2, 3], "1 : 2 : 3 : []")
  29  , "1 : 2 : 3 : []" ==> Right (tyList tyInteger, [1, 2, 3], "1 : 2 : 3 : []")
  30  , "foldMap (\\(x0:Integer) -> [x0, x0]) [1, 2, 3]" ==> Right
  31          ( tyList tyInteger
  32          , [1, 1, 2, 2, 3, 3]
  33          , "foldMap (\\x0 -> x0 : x0 : []) (1 : 2 : 3 : [])" )
  34  ]