111 lines
4 KiB
Haskell
111 lines
4 KiB
Haskell
{-# language BangPatterns #-}
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{-# language ScopedTypeVariables #-}
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{-# language TypeApplications #-}
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import Control.Monad.ST (runST)
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import Data.Bytes.Types (MutableBytes(..))
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import Data.ByteArray.Builder.Small
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import Data.Word
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import Data.Char (ord)
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import Data.Primitive (ByteArray)
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import Debug.Trace
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import Test.Tasty (defaultMain,testGroup,TestTree)
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import Test.QuickCheck ((===))
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import Text.Printf (printf)
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import Test.Tasty.HUnit ((@=?))
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import qualified Data.ByteString.Builder as BB
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import qualified Data.Primitive as PM
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import qualified Data.List as L
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import qualified Data.Vector as V
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import qualified Test.Tasty.QuickCheck as TQC
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import qualified Test.QuickCheck as QC
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import qualified GHC.Exts as Exts
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import qualified Data.ByteString.Lazy.Char8 as LB
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import qualified Test.Tasty.HUnit as THU
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import qualified HexWord64
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main :: IO ()
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main = defaultMain tests
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tests :: TestTree
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tests = testGroup "Tests"
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[ testGroup "live"
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[ TQC.testProperty "word64Dec" $ \w ->
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run 1 (word64Dec w) === pack (show w)
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, TQC.testProperty "word64Dec-x3" $ \x y z ->
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run 1 (word64Dec x <> word64Dec y <> word64Dec z)
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===
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pack (show x ++ show y ++ show z)
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, TQC.testProperty "int64Dec-x3" $ \x y z ->
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run 1 (int64Dec x <> int64Dec y <> int64Dec z)
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===
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pack (show x ++ show y ++ show z)
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, TQC.testProperty "word64BE-x3" $ \x y z ->
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run 1 (word64BE x <> word64BE y <> word64BE z)
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===
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pack (LB.unpack (BB.toLazyByteString (BB.word64BE x <> BB.word64BE y <> BB.word64BE z)))
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, TQC.testProperty "word64PaddedUpperHex" $ \w ->
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run 1 (word64PaddedUpperHex w)
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===
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pack (showWord64PaddedUpperHex w)
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, TQC.testProperty "pasteArrayST" $ \(xs :: [Word64]) ->
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(runArray word64Dec (V.fromList xs))
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===
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pack (foldMap show xs)
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, THU.testCase "doubleDec-A" $
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pack (show (2 :: Int)) @=? run 1 (doubleDec 2.0)
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, THU.testCase "doubleDec-B" $
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pack (show (2.5 :: Double)) @=? run 1 (doubleDec 2.5)
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, THU.testCase "doubleDec-C" $
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pack ("1e+15") @=? run 1 (doubleDec 1e15)
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, THU.testCase "doubleDec-D" $
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pack ("-42") @=? run 1 (doubleDec (-42))
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, THU.testCase "doubleDec-E" $
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pack ("-8.88888888888888e+14") @=? run 1 (doubleDec (-888888888888888.8888888))
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, THU.testCase "doubleDec-F" $
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pack ("42") @=? run 1 (doubleDec 42)
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, THU.testCase "doubleDec-G" $
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pack ("0") @=? run 1 (doubleDec 0)
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, THU.testCase "doubleDec-H" $
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pack ("0.5") @=? run 1 (doubleDec 0.5)
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, THU.testCase "doubleDec-I" $
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pack ("-0.5") @=? run 1 (doubleDec (-0.5))
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, THU.testCase "doubleDec-J" $
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pack ("999999999") @=? run 1 (doubleDec 999999999)
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, THU.testCase "doubleDec-K" $
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pack ("-99999999") @=? run 1 (doubleDec (-99999999))
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]
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, testGroup "alternate"
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[ TQC.testProperty "HexWord64" $ \x y ->
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run 1
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( fromUnsafe (HexWord64.word64PaddedUpperHex x)
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<> fromUnsafe (HexWord64.word64PaddedUpperHex y)
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)
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===
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pack (showWord64PaddedUpperHex x <> showWord64PaddedUpperHex y)
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]
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]
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pack :: String -> ByteArray
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pack = Exts.fromList . map (fromIntegral @Int @Word8 . ord)
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-- This is used to test pasteArrayST
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runArray ::
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(a -> Builder) -- ^ Builder
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-> V.Vector a -- ^ Elements to serialize
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-> ByteArray -- ^ Number of elements serialized, serialization
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runArray f !xs = runST $ do
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let go !v0 !sz !chunks = if V.null v0
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then pure (mconcat (L.reverse chunks))
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else do
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arr <- PM.newByteArray sz
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(v1,MutableBytes _ off _) <- pasteArrayST (MutableBytes arr 0 sz) f v0
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-- If nothing was serialized, we need a bigger buffer
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let szNext = if V.length v0 == V.length v1 then sz + 1 else sz
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c <- PM.unsafeFreezeByteArray =<< PM.resizeMutableByteArray arr off
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go v1 szNext (c : chunks)
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go xs 1 []
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showWord64PaddedUpperHex :: Word64 -> String
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showWord64PaddedUpperHex = printf "%016X"
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