41 lines
1.0 KiB
Haskell
41 lines
1.0 KiB
Haskell
-- Example.hs -- Examples from HUnit user's guide
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--
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-- For more examples, check out the tests directory. It contains unit tests
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-- for HUnit.
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module Main where
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import Test.HUnit
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foo :: Int -> (Int, Int)
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foo x = (1, x)
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partA :: Int -> IO (Int, Int)
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partA v = return (v+2, v+3)
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partB :: Int -> IO Bool
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partB v = return (v > 5)
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test1 :: Test
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test1 = TestCase (assertEqual "for (foo 3)," (1,2) (foo 3))
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test2 :: Test
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test2 = TestCase (do (x,y) <- partA 3
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assertEqual "for the first result of partA," 5 x
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b <- partB y
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assertBool ("(partB " ++ show y ++ ") failed") b)
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tests :: Test
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tests = TestList [TestLabel "test1" test1, TestLabel "test2" test2]
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tests' :: Test
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tests' = test [ "test1" ~: "(foo 3)" ~: (1,2) ~=? (foo 3),
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"test2" ~: do (x, y) <- partA 3
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assertEqual "for the first result of partA," 5 x
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partB y @? "(partB " ++ show y ++ ") failed" ]
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main :: IO Counts
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main = do runTestTT tests
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runTestTT tests'
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