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{- arch-tag: HVIO tests main file
Copyright (C) 2004-2011 John Goerzen <jgoerzen@complete.org>
All rights reserved.
For license and copyright information, see the file LICENSE
-}
module HVIOtest(tests) where
import Control.Exception
import System.IO
import System.IO.Error
import System.IO.HVIO
import Test.HUnit
import TestUtils
ioeq :: (Show a, Eq a) => a -> IO a -> Assertion
ioeq exp inp = do x <- inp
exp @=? x
test_MemoryBuffer =
let f inp testfunc = TestLabel inp $ TestCase $ do x <- newMemoryBuffer inp mbDefaultCloseFunc
testfunc x
in
[
f "" (\x -> do True `ioeq` vIsOpen x
assertRaises (== mkIOError eofErrorType "" Nothing Nothing) (vGetChar x)
vPutStrLn x "Line1"
vPutStrLn x "Line2"
vRewind x
"Line1" `ioeq` vGetLine x
"Line2" `ioeq` vGetLine x
12 `ioeq` vTell x
vSeek x AbsoluteSeek 1
"ine1" `ioeq` vGetLine x
vSeek x RelativeSeek (-3)
"e1" `ioeq` vGetLine x
vSeek x SeekFromEnd (-3)
"e2" `ioeq` vGetLine x
vSeek x AbsoluteSeek 1
vPutStr x "IN"
vRewind x
"LINe1" `ioeq` vGetLine x
"Line2" `ioeq` vGetLine x
vSeek x SeekFromEnd 0
vPutChar x 'c'
assertRaises (== mkIOError eofErrorType "" Nothing Nothing) (vGetLine x)
vRewind x
"LINe1\nLine2\nc" `ioeq` vGetContents x
)
]
test_StreamReader =
let f inp testfunc = TestLabel inp $ TestCase $ do x <- newStreamReader inp
testfunc x
in
[
f "" (\x -> do True `ioeq` vIsEOF x
True `ioeq` vIsOpen x
assertRaises (== mkIOError eofErrorType "" Nothing Nothing) (vGetChar x)
vClose x
False `ioeq` vIsOpen x
)
,f "abcd" (\x -> do False `ioeq` vIsEOF x
True `ioeq` vIsOpen x
'a' `ioeq` vGetChar x
"bcd" `ioeq` vGetContents x
vClose x
)
,f "line1\nline2\n\n\nline5\nlastline"
(\x -> do False `ioeq` vIsEOF x
"line1" `ioeq` vGetLine x
"line2" `ioeq` vGetLine x
"" `ioeq` vGetLine x
"" `ioeq` vGetLine x
"line5" `ioeq` vGetLine x
"lastline" `ioeq` vGetLine x
assertRaises (== mkIOError eofErrorType "" Nothing Nothing) (vGetLine x)
)
]
tests = TestList [TestLabel "streamReader" (TestList test_StreamReader),
TestLabel "MemoryBuffer" (TestList test_MemoryBuffer)
]
|
