flat-0.3.4: test/Spec.hs
{-# LANGUAGE BinaryLiterals #-}
{-# LANGUAGE CPP #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE NegativeLiterals #-}
{-# LANGUAGE NoMonomorphismRestriction #-}
{-# LANGUAGE ScopedTypeVariables #-}
-- | Tests for the flat module
module Main where
import Control.Monad
import Data.Bits
import qualified Data.ByteString as B
import qualified Data.ByteString.Lazy as L
import qualified Data.ByteString.Short as SBS
import Data.Char
import Data.Either
import Data.Flat
import Data.Flat.Bits
import Data.Flat.Decoder
import qualified Data.Flat.Encoder as E
import qualified Data.Flat.Encoder.Prim as E
import qualified Data.Flat.Encoder.Strict as E
import Data.Int
import Data.List
import qualified Data.Map as M
import Data.Ord
import Data.Proxy
import qualified Data.Sequence as Seq
import qualified Data.Text as T
import Data.Word
import Numeric.Natural
import System.Exit
import Test.Data
import Test.Data.Arbitrary
import Test.Data.Flat
import Test.Data.Values hiding (lbs, ns)
import Test.E
import Test.E.Arbitrary
import Test.E.Flat
import Test.Tasty
import Test.Tasty.HUnit
import Test.Tasty.QuickCheck as QC hiding (getSize)
-- import System.Arch
import Data.Flat.Endian
import Data.FloatCast
-- instance Flat [Int16]
-- instance Flat [Word8]
-- instance Flat [Bool]
main = do
-- #ifdef ghcjs_HOST_OS
-- print "GHCJS"
-- #endif
-- printInfo
mainTest
-- print $ flatRaw 18446744073709551615::Word64
-- print $ B.unpack . flat $ (True,0::Word64,18446744073709551615::Word64)
-- print (2^56::Word64,fromIntegral (1::Word8) `shiftL` 56 :: Word64,(18446744073709551615::Word64) `shiftR` 1)
-- mainShow
-- eWord64E id 0b
-- printInfo = do
-- print $ "BigEndian: " ++ show isBigEndian
-- print getSystemArch
-- print getSystemEndianness
mainShow = do
mapM_ (\_ -> generate (arbitrary :: Gen Int) >>= print) [1..10]
exitFailure
mainTest = defaultMain tests
tests :: TestTree
tests = testGroup "Tests" [
testPrimitives
,testEncDec
,testFlat
]
testPrimitives = testGroup "conversion/memory primitives" [
testEndian
,testFloatingConvert
--,testShifts
]
testEncDec = testGroup "encode/decode primitives" [
testEncodingPrim
,testDecodingPrim
#ifdef TEST_DECBITS
,testDecBits
#endif
]
testFlat = testGroup "flat/unflat" [
testSize
,testLargeEnum
,testContainers
,flatTests
,flatUnflatRT
]
-- Data.Flat.Endian tests (to run, need to modify imports and cabal file)
testEndian = testGroup "Endian" [
conv toBE16 (2^10 + 3) (2^9+2^8+4)
,conv toBE32 (2^18 + 3) 50332672
,conv toBE64 (2^34 + 3) 216172782180892672
,conv toBE16 0x1234 0x3412
,conv toBE32 0x11223344 0x44332211
,conv toBE64 0x0123456789ABCDEF 0xEFCDAB8967452301
]
testFloatingConvert = testGroup "Floating conversions" [
conv floatToWord -0.15625 3189768192
,conv wordToFloat 3189768192 -0.15625
,conv doubleToWord -0.15625 13818169556679524352
,conv wordToDouble 13818169556679524352 -0.15625
,rt "floatToWord" (prop_float_conv :: RT Float)
,rt "doubleToWord" (prop_double_conv :: RT Double)
]
-- ghcjs bug on shiftR 0, see: https://github.com/ghcjs/ghcjs/issues/706
testShifts = testGroup "Shifts" $ map tst [0..33]
where
tst n = testCase ("shiftR " ++ show n) $
let val = 4294967295::Word32
s = val `shift` (-n)
r = val `shiftR` n
in r @?= s
-- shR = shiftR
-- shR = unsafeShiftR
shR val 0 = val
shR val n = shift val (-n)
testEncodingPrim = testGroup "Encoding Primitives" [
encRawWith 1 E.eTrueF [0b10000001]
,encRawWith 3 (E.eTrueF >=> E.eFalseF >=> E.eTrueF) [0b10100001]
,encRawWith 32 (E.eWord32E id $ 2^18 + 3) [3,0,4,0,1]
,encRawWith 32 (E.eWord32BEF $ 2^18 + 3) [0,4,0,3,1]
,encRawWith 64 (E.eWord64E id $ 0x1122334455667788) [0x88,0x77,0x66,0x55,0x44,0x33,0x22,0x11,1]
,encRawWith 64 (E.eWord64BEF $ 2^34 + 3) [0,0,0,4,0,0,0,3,1]
,encRawWith 65 (E.eTrueF >=> E.eWord64E id (2^34 + 3)) [1,0,0,0,2,0,0,128,129]
,encRawWith 65 (E.eTrueF >=> E.eWord64BEF (2^34 + 3)) [128,0,0,2,0,0,0,1,129]
,encRawWith 65 (E.eFalseF >=> E.eWord64E id (2^34 + 3)) [1,0,0,0,2,0,0,0,129]
,encRawWith 65 (E.eFalseF >=> E.eWord64BEF (2^34 + 3)) [0,0,0,2,0,0,0,1,129]
]
where
encRawWith sz enc exp = testCase (unwords ["encode raw with size",show sz]) $ flatRawWith sz enc @?= exp
conv f v e = testCase (unwords ["conv",sshow v,showB . flat $ v,"to",sshow e]) $ f v @?= e
testDecodingPrim = testGroup "Decoding Primitives" [
dec ((,,,) <$> dropBits 13 <*> dBool <*> dBool <*> dBool) [0b10111110,0b10011010] ((),False,True,False)
,dec ((,,,) <$> dropBits 1 <*> dBE16 <*> dBool <*> dropBits 6) [0b11000000
,0b00000001
,0b01000000] ((),2^15+2,True,())
,dec ((,,,) <$> dropBits 1 <*> dBE32 <*> dBool <*> dropBits 6) [0b11000000
,0b00000000
,0b00000000
,0b00000001
,0b01000000] ((),2^31+2,True,())
,dec dBE64 [0b10000000
,0b00000000
,0b00000000
,0b00000000
,0b00000000
,0b00000000
,0b00000000
,0b00000010
] (2^63+2)
,dec ((,,,) <$> dropBits 1 <*> dBE64 <*> dBool <*> dropBits 6) [0b11000000
,0b00000000
,0b00000000
,0b00000000
,0b00000000
,0b00000000
,0b00000000
,0b00000001
,0b01000000] ((),2^63+2,True,())
]
where
dec decOp v e = testCase (unwords ["decode",sshow v]) $ unflatRawWith decOp (B.pack v) @?= Right e
testDecBits = testGroup "Decode Bits" $ concat [
decBitsN dBEBits8
,decBitsN dBEBits16
,decBitsN dBEBits32
,decBitsN dBEBits64
]
where
-- Test dBEBits8/16/32/64, extraction of up to 8/16/32/bits from various positions
decBitsN :: forall a. (Num a,FiniteBits a,Show a,Flat a) => (Int -> Get a) -> [TestTree]
decBitsN dec = let s = finiteBitSize (undefined::a)
in [decBits_ dec val numBitsToTake pre | numBitsToTake <- [0 .. s], val <- [0::a ,1+2^(s - 2)+2^(s - 5) ,fromIntegral $ (2^s::Integer) - 1],pre <- [0,1,7]]
decBits_ :: forall a. (FiniteBits a,Show a,Flat a) => (Int -> Get a) -> a -> Int -> Int -> TestTree
decBits_ deco val numBitsToTake pre =
-- a sequence composed by pre zero bits followed by the val and zero bits till the next byte boundary
let vs = B.pack . asBytes . fromBools $ replicate pre False ++ toBools (asBits val)
len = B.length vs
sz = finiteBitSize (undefined::a)
dec :: Get a
dec = do
dropBits pre
r <- deco numBitsToTake
dropBits (len*8-numBitsToTake-pre)
return r
-- we expect the first numBitsToTake bits of the value
expectedD@(Right expected) :: Decoded a = Right $ val `shR` (sz - numBitsToTake) -- ghcjs: shiftR fails, see: https://github.com/ghcjs/ghcjs/issues/706
actualD@(Right actual) :: Decoded a = unflatRawWith dec vs
in testCase (unwords ["take",show numBitsToTake,"bits from",show val,"of size",show sz,"with prefix",show pre,"sequence",showB vs,show expected,show actual,show $ val == actual,show $ expected == actual,show $ expected /= actual,show $ show expected == show actual,show $ flat expected == flat actual])
$ actualD @?= expectedD
testSize = testGroup "Size" $ concat [
sz () 0
,sz True 1
,sz One 2
,sz Two 2
,sz Three 2
,sz Four 3
,sz Five 3
,sz 'a' 8
,sz 'à' 16
,sz '经' 24
,sz (0::Word8) 8
,sz (1::Word8) 8
,concatMap (uncurry sz) ns
,concatMap (uncurry sz) nsI
,concatMap (uncurry sz) nsII
,sz (1.1::Float) 32
,sz (1.1::Double) 64
,sz "" 1
,sz "abc" (4+3*8)
,sz ((),(),Unit) 0
,sz (True,False,One,Five) 7
,sz map1 7
,sz bs (4+3*8)
,sz stBS bsSize
,sz lzBS bsSize
#ifndef ghcjs_HOST_OS
,sz shBS bsSize
#endif
,sz tx utf8Size
,sz (UTF8Text tx) utf8Size
,sz (UTF16Text tx) utf16Size
]
where
tx = T.pack "txt"
utf8Size = 8+8+3*32+8
utf16Size = 8+8+3*16+8
bsSize = 8+8+3*8+8
sz v e = [testCase (unwords ["size of",sshow v]) $ getSize v @?= e]
-- E258_256 = 11111110 _257 = 111111110 _258 = 111111111
testLargeEnum = testGroup "test enum with more than 256 constructors" $ concat
[
#ifdef ENUM_LARGE
sz E258_256 8
, sz E258_257 9
, sz E258_258 9
-- As encode are inlined, this is going to take for ever if this is compiled with -O1 or -O2
-- , encRaw (E258_256) [0b11111110]
-- , encRaw (E258_257) [0b11111111,0b00000000]
-- , encRaw (E258_258) [0b11111111,0b10000000]
-- , encRaw (E258_256,E258_257,E258_258) [0b11111110,0b11111111,0b01111111,0b11000000]
, map trip [E258_1,E258_256,E258_257,E258_258]
, map trip [E256_1,E256_134,E256_256]
#endif
]
testContainers = testGroup "containers" [
trip longSeq
, trip dataMap
, trip listMap
-- , trip intMap
]
flatUnflatRT = testGroup "unflat (flat v) == v"
[ rt "()" (prop_Flat_roundtrip:: RT ())
,rt "Bool" (prop_Flat_roundtrip::RT Bool)
,rt "Word8" (prop_Flat_Large_roundtrip:: RTL Word8)
,rt "Word16" (prop_Flat_Large_roundtrip:: RTL Word16)
,rt "Word32" (prop_Flat_Large_roundtrip:: RTL Word32)
,rt "Word64" (prop_Flat_Large_roundtrip:: RTL Word64)
,rt "Word" (prop_Flat_Large_roundtrip:: RTL Word)
,rt "Int8" (prop_Flat_Large_roundtrip:: RTL Int8)
,rt "Int16" (prop_Flat_Large_roundtrip:: RTL Int16)
,rt "Int32" (prop_Flat_Large_roundtrip:: RTL Int32)
,rt "Int64" (prop_Flat_Large_roundtrip:: RTL Int64)
,rt "Int" (prop_Flat_Large_roundtrip:: RTL Int)
,rt "Integer" (prop_Flat_roundtrip:: RT Integer)
,rt "Natural" (prop_Flat_roundtrip:: RT Natural)
,rt "Float" (prop_Flat_roundtrip:: RT Float)
,rt "Double" (prop_Flat_roundtrip:: RT Double)
,rt "Char" (prop_Flat_roundtrip:: RT Char)
--,rt "ASCII" (prop_Flat_roundtrip:: RT ASCII)
,rt "Unit" (prop_Flat_roundtrip:: RT Unit)
,rt "Un" (prop_Flat_roundtrip:: RT Un )
,rt "N" (prop_Flat_roundtrip:: RT N )
,rt "E2" (prop_Flat_roundtrip:: RT E2 )
,rt "E3" (prop_Flat_roundtrip:: RT E3 )
,rt "E4" (prop_Flat_roundtrip:: RT E4 )
,rt "E8" (prop_Flat_roundtrip:: RT E8 )
,rt "E16" (prop_Flat_roundtrip:: RT E16 )
,rt "E17" (prop_Flat_roundtrip:: RT E17 )
,rt "E32" (prop_Flat_roundtrip:: RT E32 )
,rt "A" (prop_Flat_roundtrip:: RT A )
,rt "B" (prop_Flat_roundtrip:: RT B )
,rt "Maybe N" (prop_Flat_roundtrip:: RT (Maybe N))
,rt "Either N Bool" (prop_Flat_roundtrip:: RT (Either N Bool))
,rt "Either Int Char" (prop_Flat_roundtrip:: RT (Either Int Char))
-- ,rt "Tree Bool" (prop_Flat_roundtrip:: RT (Tree Bool))
-- ,rt "Tree N" (prop_Flat_roundtrip:: RT (Tree N))
,rt "List N" (prop_Flat_roundtrip:: RT (List N))
,rt "[Int16]" (prop_Flat_roundtrip:: RT [Int16])
,rt "String" (prop_Flat_roundtrip:: RT String)
-- Generates incorrect ascii chars?
,rt "Text" (prop_Flat_roundtrip:: RT T.Text)
,rt "ByteString" (prop_Flat_roundtrip:: RT B.ByteString)
,rt "Lazy ByteString" (prop_Flat_roundtrip:: RT L.ByteString)
#ifndef ghcjs_HOST_OS
,rt "Short ByteString" (prop_Flat_roundtrip:: RT SBS.ShortByteString)
#endif
]
rt n = QC.testProperty (unwords ["round trip",n])
flatTests = testGroup "flat/unflat Unit tests" $ concat [
-- Expected errors
errDec (Proxy::Proxy Bool) [] -- no data
,errDec (Proxy::Proxy Bool) [128] -- no filler
,errDec (Proxy::Proxy Bool) [128+1,1,2,4,8] -- additional bytes
,encRaw () []
,encRaw ((),(),Unit) []
,encRaw (Unit,'a',Unit,'a',Unit,'a',Unit) [97,97,97]
,a () [1]
,a True [128+1]
,a (True,True) [128+64+1]
,a (True,False,True) [128+32+1]
,a (True,False,True,True) [128+32+16+1]
,a (True,False,True,True,True) [128+32+16+8+1]
,a (True,False,True,True,True,True) [128+32+16+8+4+1]
,a (True,False,True,True,True,True,True) [128+32+16+8+4+2+1]
,a (True,False,True,True,(True,True,True,True)) [128+32+16+8+4+2+1,1]
,encRaw (True,False,True,True) [128+32+16]
,encRaw ((True,True,False,True,False),(False,False,True,False,True,True)) [128+64+16+1,64+32]
,encRaw ('\0','\1','\127') [0,1,127]
,encRaw (33::Word32,44::Word32) [33,44]
--,s (Elem True) [64]
--,s (NECons True (NECons False (Elem True))) [128+64+32+4]
,encRaw (0::Word8) [0]
,encRaw (1::Word8) [1]
,encRaw (255::Word8) [255]
,encRaw (0::Word16) [0]
,encRaw (1::Word16) [1]
,encRaw (255::Word16) [255,1]
,encRaw (256::Word16) [128,2]
,encRaw (65535::Word16) [255,255,3]
,encRaw (127::Word32) [127]
,encRaw (128::Word32) [128,1]
,encRaw (129::Word32) [129,1]
,encRaw (255::Word32) [255,1]
,encRaw (16383::Word32) [255,127]
,encRaw (16384::Word32) [128,128,1]
,encRaw (16385::Word32) [129,128,1]
,encRaw (32767::Word32) [255,255,1]
,encRaw (32768::Word32) [128,128,2]
,encRaw (32769::Word32) [129,128,2]
,encRaw (65535::Word32) [255,255,3]
,encRaw (2097151::Word32) [255,255,127]
,encRaw (2097152::Word32) [128,128,128,1]
,encRaw (2097153::Word32) [129,128,128,1]
,encRaw (4294967295::Word32) [255,255,255,255,15]
,encRaw (255::Word64) [255,1]
,encRaw (65535::Word64) [255,255,3]
,encRaw (4294967295::Word64) [255,255,255,255,15]
,encRaw (18446744073709551615::Word64) [255,255,255,255,255,255,255,255,255,1]
,encRaw (False,18446744073709551615::Word64) [127,255,255,255,255,255,255,255,255,128,128]
,encRaw (255::Word) [255,1]
,encRaw (65535::Word) [255,255,3]
,encRaw (4294967295::Word) [255,255,255,255,15]
,tstI [0::Int8,2,-2]
,encRaw (127::Int8) [254]
,encRaw (-128::Int8) [255]
,tstI [0::Int16,2,-2,127,-128]
,tstI [0::Int32,2,-2,127,-128]
,tstI [0::Int64,2,-2,127,-128]
,encRaw (-1024::Int64) [255,15]
,encRaw (maxBound::Word8) [255]
,encRaw (True,maxBound::Word8) [255,128]
,encRaw (maxBound::Word16) [255,255,3]
,encRaw (True,maxBound::Word16) [255,255,129,128]
,encRaw (maxBound::Word32) [255,255,255,255,15]
,encRaw (True,maxBound::Word32) [255,255,255,255,135,128]
,encRaw (maxBound::Word64) [255,255,255,255,255,255,255,255,255,1]
,encRaw (True,maxBound::Word64) [255,255,255,255,255,255,255,255,255,128,128]
,encRaw (minBound::Int64) [255,255,255,255,255,255,255,255,255,1]
,encRaw (maxBound::Int64) [254,255,255,255,255,255,255,255,255,1]
,tstI [0::Int,2,-2,127,-128]
,tstI [0::Integer,2,-2,127,-128,-256,-512]
,encRaw (-1024::Integer) [255,15]
,encRaw (0::Float) [0,0,0,0]
,encRaw (-2::Float) [0b11000000,0,0,0]
,encRaw (0.085::Float) [0b00111101,0b10101110,0b00010100,0b01111011]
,encRaw (0::Double) [0,0,0,0,0,0,0,0]
,encRaw (-2::Double) [0b11000000,0,0,0,0,0,0,0]
,encRaw (23::Double) [0b01000000,0b00110111,0,0,0,0,0,0]
,encRaw (-0.15625::Float) [0b10111110,0b00100000,0,0]
,encRaw (-0.15625::Double) [0b10111111,0b11000100,0,0,0,0,0,0]
,encRaw (-123.2325E-23::Double) [0b10111011,0b10010111,0b01000111,0b00101000,0b01110101,0b01111011,0b01000111,0b10111010]
,encRaw (Left True :: Either Bool (Double, Double)) [0b01000000]
,encRaw (-2.1234E15 :: Double) [195,30,44,226,90,221,64,0]
,encRaw (1.1234E-22 :: Double) [59,96,249,241,120,219,249,174]
,encRaw ((False,-2.1234E15) :: (Bool,Double)) [97,143,22,113,45,110,160,0,0]
,encRaw ((True,-2.1234E15) :: (Bool,Double)) [225,143,22,113,45,110,160,0,0]
,encRaw ((-2.1234E15 , 1.1234E-22) :: (Double, Double)) $ [0b11000011,30,44,226,90,221,64,0] ++ [59,96,249,241,120,219,249,174]
,encRaw ((True,-2.1234E15 , 1.1234E-22) :: (Bool,Double, Double)) [0b11100001,143,22,113,45,110,160,0,29,176,124,248,188,109,252,215,0]
,encRaw (Right (-2.1234E15 , 1.1234E-22) :: Either Bool (Double, Double)) [0b11100001,143,22,113,45,110,160,0,29,176,124,248,188,109,252,215,0]
,encRaw (Left True:: Either Bool Direction) [0b01000000]
,encRaw (Right West :: Either Bool Direction) [0b11110000]
,map trip [minBound,maxBound::Word8]
,map trip [minBound,maxBound::Word16]
,map trip [minBound,maxBound::Word32]
,map trip [minBound,maxBound::Word64]
,map trip [minBound::Int8,maxBound::Int8]
,map trip [minBound::Int16,maxBound::Int16]
,map trip [minBound::Int32,maxBound::Int32]
,map trip [minBound::Int64,maxBound::Int64]
,map trip [0::Float,-0::Float,0/0::Float,1/0::Float]
,map trip [0::Double,-0::Double,0/0::Double,1/0::Double]
,encRaw '\0' [0]
,encRaw '\1' [1]
,encRaw '\127' [127]
,encRaw 'a' [97]
,encRaw 'à' [224,1]
,encRaw '经' [207,253,1]
,[trip [chr 0x10FFFF]]
,encRaw Unit []
,encRaw (Un False) [0]
,encRaw (One,Two,Three) [16+8]
,encRaw (Five,Five,Five) [255,128]
--,s (NECons True (Elem True)) [128+64+16]
,encRaw "" [0]
#ifdef LIST_BIT
,encRaw "abc" [176,216,172,96]
,encRaw [False,True,False,True] [128
+32+16
+8
+2+1,0]
#elif defined(LIST_BYTE)
,s "abc" s3
,s (cs 600) s600
#endif
-- Aligned structures
--,s (T.pack "") [1,0]
--,s (Just $ T.pack "abc") [128+1,3,97,98,99,0]
--,s (T.pack "abc") (al s3)
--,s (T.pack $ cs 600) (al s600)
,encRaw map1 [0b10111000]
,encRaw (B.pack $ csb 3) (bsl c3)
,encRaw (B.pack $ csb 600) (bsl s600)
,encRaw (L.pack $ csb 3) (bsl c3)
-- Long LazyStrings can have internal sections shorter than 255
--,s (L.pack $ csb 600) (bsl s600)
,[trip [1..100::Int16]]
,[trip asciiStrT,trip "维护和平正",trip (T.pack "abc"),trip unicodeText,trip unicodeTextUTF8T]
,[trip longBS,trip longLBS]
#ifndef ghcjs_HOST_OS
,[trip longSBS]
,[trip unicodeTextUTF16T]
#endif
]
where
--al = (1:) -- prealign
bsl = id -- noalign
tstI = map ti
ti v | v >= 0 = testCase (unwords ["Int",show v]) $ teq v (2 * fromIntegral v ::Word64)
| otherwise = testCase (unwords ["Int",show v]) $ teq v (2 * fromIntegral (-v) - 1 ::Word64)
teq a b = ser a @?= ser b
--,testCase (unwords ["unflat raw",sshow v]) $ desRaw e @?= Right v]
-- Aligned values unflat to the original value, modulo the added filler.
a v e = [testCase (unwords ["flat",sshow v]) $ ser v @?= e
,testCase (unwords ["unflat",sshow v]) $ let Right v' = des e in v @?= v']
-- a v e = [testCase (unwords ["flat postAligned",show v]) $ ser (postAligned v) @?= e
-- ,testCase (unwords ["unflat postAligned",show v]) $ let Right (PostAligned v' _) = des e in v @?= v']
encRaw :: forall a. (Show a, Flat a) => a -> [Word8] -> [TestTree]
encRaw v e = [testCase (unwords ["flat raw",sshow v,show . B.unpack . flat $ v]) $ serRaw v @?= e]
trip :: forall a .(Show a,Flat a) => a -> TestTree
trip v = testCase (unwords ["roundtrip",sshow v]) $
-- we use show to get Right NaN == Right NaN
show (unflat (flat v::B.ByteString)::Decoded a) @?= show (Right v::Decoded a)
-- Test Data
lzBS = L.pack bs
stBS = B.pack bs
bs = [32,32,32::Word8]
s3 = [3,97,98,99,0]
c3a = [3,99,99,99,0] -- Array Word8
c3 = pre c3a
s600 = pre s600a
pre = (1:)
s600a = concat [[255],csb 255,[255],csb 255,[90],csb 90,[0]]
s600B = concat [[55],csb 55,[255],csb 255,[90],csb 90,[200],csb 200,[0]]
longSeq :: Seq.Seq Word8
longSeq = Seq.fromList lbs
longBS = B.pack lbs
longLBS = L.concat $ concat $ replicate 10 [L.pack lbs]
lbs = concat $ replicate 100 [234,123,255,0]
cs n = replicate n 'c' -- take n $ cycle ['a'..'z']
csb = map (fromIntegral . ord) . cs
map1 = M.fromList [(False,True),(True,False)]
ns :: [(Word64, Int)]
ns = [( (-) (2 ^(i*7)) 1,fromIntegral (8*i)) | i <- [1 .. 10]]
nsI :: [(Int64, Int)]
nsI = nsI_
nsII :: [(Integer, Int)]
nsII = nsI_
nsI_ = [( (-) (2 ^(((-) i 1)*7)) 1,fromIntegral (8*i)) | i <- [1 .. 10]]
#ifndef ghcjs_HOST_OS
shBS = SBS.toShort stBS
longSBS = SBS.toShort longBS
#endif
sshow = take 80 . show
showB = show . B.unpack
errDec :: forall a . (Flat a, Eq a, Show a) => Proxy a -> [Word8] -> [TestTree]
--errDec _ bs = [testCase "bad decode" $ let ev = (des bs::Decoded a) in ev @?= Left ""]
errDec _ bs = [testCase "bad decode" $ let ev = (des bs::Decoded a) in isRight ev @?= False]
ser :: Flat a => a -> [Word8]
ser = B.unpack . flat
des :: Flat a => [Word8] -> Decoded a
des = unflat
flatRawWith sz enc = B.unpack $ E.strictEncoder (sz+8) (E.Encoding $ enc >=> E.eFillerF)
serRaw :: Flat a => a -> [Word8]
-- serRaw = B.unpack . flatRaw
-- serRaw = L.unpack . flatRaw
serRaw = asBytes . bits
--desRaw :: Flat a => [Word8] -> Decoded a
--desRaw = unflatRaw . L.pack
type RT a = a -> Bool
type RTL a = Large a -> Bool
prop_Flat_roundtrip :: (Flat a, Eq a) => a -> Bool
prop_Flat_roundtrip = roundTripExt
prop_Flat_Large_roundtrip :: (Eq b, Flat b) => Large b -> Bool
prop_Flat_Large_roundtrip (Large x) = roundTripExt x
roundTrip x = unflat (flat x::B.ByteString) == Right x
-- Test roundtrip for both the value and the value embedded between bools
roundTripExt x = roundTrip x && roundTrip (True,x,False)
prop_double_conv d = wordToDouble (doubleToWord d) == d
prop_float_conv d = wordToFloat (floatToWord d) == d
{-
prop_common_unsigned :: (Num l,Num h,Flat l,Flat h) => l -> h -> Bool
prop_common_unsigned n _ = let n2 :: h = fromIntegral n
in flat n == flat n2
-}
-- e :: Stream Bool
-- e = unflatIncremental . flat $ stream1
-- el :: List Bool
-- el = unflatIncremental . flat $ infList
-- deflat = unflat
-- b1 :: BLOB UTF8
-- b1 = BLOB UTF8 (preAligned (List255 [97,98,99]))
-- -- b1 = BLOB (preAligned (UTF8 (List255 [97,98,99])))