File: Base64Test.hs

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{-# OPTIONS_GHC -XTemplateHaskell #-}
-- Copyright: (c) Magnus Therning, 2013
-- License: BSD3, found in the LICENSE file

module Codec.Binary.Base64Test where

import Codec.TestUtils
import qualified Codec.Binary.Base64 as B64

import qualified Data.ByteString as BS
import qualified Data.ByteString.Char8 as BSC
import Data.Word (Word8)

import Test.Tasty
import Test.Tasty.TH
import Test.Tasty.HUnit
import Test.Tasty.QuickCheck

case_enc_foobar :: IO ()
case_enc_foobar = do
    BSC.empty           @=? B64.encode BSC.empty
    BSC.pack "Zg=="     @=? B64.encode (BSC.pack "f")
    BSC.pack "Zm8="     @=? B64.encode (BSC.pack "fo")
    BSC.pack "Zm9v"     @=? B64.encode (BSC.pack "foo")
    BSC.pack "Zm9vYg==" @=? B64.encode (BSC.pack "foob")
    BSC.pack "Zm9vYmE=" @=? B64.encode (BSC.pack "fooba")
    BSC.pack "Zm9vYmFy" @=? B64.encode (BSC.pack "foobar")

case_enc_specials :: IO ()
case_enc_specials = do
    -- /++/
    BSC.pack "/++/" @=? B64.encode (BS.pack [255,239,191])

case_dec_foobar :: IO ()
case_dec_foobar = do
    Right BSC.empty           @=? B64.decode BSC.empty
    Right (BSC.pack "f")      @=? B64.decode (BSC.pack "Zg==")
    Right (BSC.pack "fo")     @=? B64.decode (BSC.pack "Zm8=")
    Right (BSC.pack "foo")    @=? B64.decode (BSC.pack "Zm9v")
    Right (BSC.pack "foob")   @=? B64.decode (BSC.pack "Zm9vYg==")
    Right (BSC.pack "fooba")  @=? B64.decode (BSC.pack "Zm9vYmE=")
    Right (BSC.pack "foobar") @=? B64.decode (BSC.pack "Zm9vYmFy")

case_dec_specials :: IO ()
case_dec_specials = do
    -- /++/
    Right (BS.pack [255,239,191]) @=? B64.decode (BSC.pack "/++/")

prop_encdec :: [Word8] -> Bool
prop_encdec ws = (BS.pack ws) == (fromRight $ B64.decode $ B64.encode $ BS.pack ws)

tests :: TestTree
tests = $(testGroupGenerator)