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-rw-r--r--bittorrent/tests/Network/BitTorrent/Exchange/BlockSpec.hs35
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diff --git a/bittorrent/tests/Network/BitTorrent/Exchange/BlockSpec.hs b/bittorrent/tests/Network/BitTorrent/Exchange/BlockSpec.hs
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1module Network.BitTorrent.Exchange.BlockSpec (spec) where
2import Control.Applicative
3import Control.Exception
4import Data.Maybe
5import Test.Hspec
6import Test.QuickCheck
7import Test.QuickCheck.Instances ()
8
9import Network.BitTorrent.Exchange.Block as Block
10
11
12instance Arbitrary a => Arbitrary (Block a) where
13 arbitrary = Block <$> arbitrary <*> arbitrary <*> arbitrary
14
15instance Arbitrary BlockIx where
16 arbitrary = BlockIx <$> arbitrary <*> arbitrary <*> arbitrary
17
18instance Arbitrary Bucket where
19 arbitrary = do
20 s <- arbitrary `suchThat` (> 0)
21 chunks <- arbitrary
22 return $ Block.fromList s chunks
23
24isSomeException :: SomeException -> Bool
25isSomeException = const True
26
27spec :: Spec
28spec = do
29 describe "empty" $ do
30 it "should fail on bad size" $ do
31 evaluate (Block.empty (-1)) `shouldThrow` isSomeException
32
33 describe "toPiece" $ do
34 it "render to piece when it is full" $ property $ \ bkt ->
35 full bkt == isJust (toPiece bkt) \ No newline at end of file