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module Main where
import Control.Exception
import Control.Monad
import System.Mem
import Control.Monad.ST
import Data.Array
import Data.Array.ST
import qualified Data.Array.Unboxed as U
import Data.Compact
import Data.Compact.Internal
assertFail :: String -> IO ()
assertFail msg = throwIO $ AssertionFailed msg
assertEquals :: (Eq a, Show a) => a -> a -> IO ()
assertEquals expected actual =
if expected == actual then return ()
else assertFail $ "expected " ++ (show expected)
++ ", got " ++ (show actual)
arrTest :: (Monad m, MArray a e m, Num e) => m (a Int e)
arrTest = do
arr <- newArray (1, 10) 0
forM_ [1..10] $ \j -> do
writeArray arr j (fromIntegral $ 2*j + 1)
return arr
-- test :: (Word -> a -> IO (Maybe (Compact a))) -> IO ()
test func = do
let fromList :: Array Int Int
fromList = listArray (1, 300000) [1..]
frozen :: Array Int Int
frozen = runST $ do
arr <- arrTest :: ST s (STArray s Int Int)
freeze arr
stFrozen :: Array Int Int
stFrozen = runSTArray arrTest
unboxedFrozen :: U.UArray Int Int
unboxedFrozen = runSTUArray arrTest
let val = (fromList, frozen, stFrozen, unboxedFrozen)
str <- func val
-- check that val is still good
assertEquals (fromList, frozen, stFrozen, unboxedFrozen) val
-- check the value in the compact
assertEquals val (getCompact str)
performMajorGC
-- check again the value in the compact
assertEquals val (getCompact str)
main = do
test (compactSized 4096 True)
test (compactSized 4096 False)
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