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authorSam T <pxqr.sta@gmail.com>2013-06-06 21:48:30 +0400
committerSam T <pxqr.sta@gmail.com>2013-06-06 21:48:30 +0400
commit99e771564a1433029ce8a8ce4db8282fc217a1c4 (patch)
tree2b6c80c6bec1f46841b7b881e929cfd0119f95d6 /src/Data/Bitfield.hs
parent638ffee180b444c6c8d769fa8c95d151a44b7962 (diff)
+ Add some tests.
Diffstat (limited to 'src/Data/Bitfield.hs')
-rw-r--r--src/Data/Bitfield.hs9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/Data/Bitfield.hs b/src/Data/Bitfield.hs
index 024f8f71..3424a0c6 100644
--- a/src/Data/Bitfield.hs
+++ b/src/Data/Bitfield.hs
@@ -9,6 +9,7 @@
9-- bitfields. Bitfields are used to keep track indices of complete 9-- bitfields. Bitfields are used to keep track indices of complete
10-- pieces either peer have or client have. 10-- pieces either peer have or client have.
11-- 11--
12{-# LANGUAGE CPP #-}
12{-# LANGUAGE BangPatterns #-} 13{-# LANGUAGE BangPatterns #-}
13{-# LANGUAGE RecordWildCards #-} 14{-# LANGUAGE RecordWildCards #-}
14module Data.Bitfield 15module Data.Bitfield
@@ -32,8 +33,10 @@ module Data.Bitfield
32 , getBitfield, putBitfield 33 , getBitfield, putBitfield
33 , bitfieldByteCount 34 , bitfieldByteCount
34 35
36-- #ifdef TESTING
35 , -- * Debug 37 , -- * Debug
36 mkBitfield 38 mkBitfield
39-- #endif
37 ) where 40 ) where
38 41
39import Control.Monad 42import Control.Monad
@@ -143,11 +146,13 @@ frequencies xs = runST $ do
143 where 146 where
144 size = maximum (map bfSize xs) 147 size = maximum (map bfSize xs)
145 148
149-- TODO it seems like this operation is veeery slow
150
146-- | Find least available piece index. If no piece available return 'Nothing'. 151-- | Find least available piece index. If no piece available return 'Nothing'.
147rarest :: [Bitfield] -> Maybe PieceIx 152rarest :: [Bitfield] -> Maybe PieceIx
148rarest xs 153rarest xs
149 | V.null freqMap = Nothing 154 | V.null freqMap = Nothing
150 | otherwise = Just $ fst $ V.ifoldr minIx (0, freqMap V.! 0) freqMap 155 | otherwise = Just $ fst $ V.ifoldr' minIx (0, freqMap V.! 0) freqMap
151 where 156 where
152 freqMap = frequencies xs 157 freqMap = frequencies xs
153 158
@@ -210,5 +215,5 @@ bitfieldByteCount = error "bitfieldByteCount"
210mkBitfield :: PieceCount -> [PieceIx] -> Bitfield 215mkBitfield :: PieceCount -> [PieceIx] -> Bitfield
211mkBitfield s ixs = Bitfield { 216mkBitfield s ixs = Bitfield {
212 bfSize = s 217 bfSize = s
213 , bfSet = S.splitLT s $ S.fromList ixs 218 , bfSet = S.splitGT (-1) $ S.splitLT s $ S.fromList ixs
214 } \ No newline at end of file 219 } \ No newline at end of file