39 lines
1.3 KiB
Haskell
39 lines
1.3 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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module Padding (tests) where
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import qualified Data.ByteString as B
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import Imports
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import Crypto.Data.Padding
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cases =
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[ ("abcdef", 8, "abcdef\x02\x02")
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, ("abcd", 4, "abcd\x04\x04\x04\x04")
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, ("xyze", 5, "xyze\x01")
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]
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zeroCases =
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[ ("", 4, "\NUL\NUL\NUL\NUL", Nothing)
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, ("abcdef", 8, "abcdef\NUL\NUL", Nothing)
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, ("0123456789abcdef", 16, "0123456789abcdef", Just "0123456789abcdef")
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]
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--instance Arbitrary where
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testPad :: Int -> (B.ByteString, Int, B.ByteString) -> TestTree
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testPad n (inp, sz, padded) =
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testCase (show n) $ propertyHoldCase [ eqTest "padded" padded (pad (PKCS7 sz) inp)
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, eqTest "unpadded" (Just inp) (unpad (PKCS7 sz) padded)
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]
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testZeroPad :: Int -> (B.ByteString, Int, B.ByteString, Maybe B.ByteString) -> TestTree
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testZeroPad n (inp, sz, padded, unpadded) =
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testCase (show n) $ propertyHoldCase [ eqTest "padded" padded (pad (ZERO sz) inp)
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, eqTest "unpadded" unpadded (unpad (ZERO sz) padded)
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]
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tests = testGroup "Padding"
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[ testGroup "Cases" $ zipWith testPad [1..] cases
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, testGroup "ZeroCases" $ zipWith testZeroPad [1..] zeroCases
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]
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