109 lines
2.8 KiB
Haskell
109 lines
2.8 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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-- GHC trac #2969
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import System.Posix.ByteString
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import Control.Exception as E
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import Control.Monad
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main = do
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cleanup
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fs <- testRegular
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ds <- testDir
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testSymlink fs ds
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cleanup
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regular = "regular2"
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dir = "dir2"
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link_regular = "link-regular2"
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link_dir = "link-dir2"
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testRegular = do
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createFile regular ownerReadMode
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(fs, _) <- getStatus regular
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let expected = (False,False,False,True,False,False,False)
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actual = snd (statusElements fs)
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when (actual /= expected) $
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fail "unexpected file status bits for regular file"
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return fs
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testDir = do
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createDirectory dir ownerReadMode
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(ds, _) <- getStatus dir
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let expected = (False,False,False,False,True,False,False)
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actual = snd (statusElements ds)
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when (actual /= expected) $
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fail "unexpected file status bits for directory"
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return ds
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testSymlink fs ds = do
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createSymbolicLink regular link_regular
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createSymbolicLink dir link_dir
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(fs', ls) <- getStatus link_regular
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(ds', lds) <- getStatus link_dir
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let expected = (False,False,False,False,False,True,False)
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actualF = snd (statusElements ls)
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actualD = snd (statusElements lds)
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when (actualF /= expected) $
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fail "unexpected file status bits for symlink to regular file"
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when (actualD /= expected) $
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fail "unexpected file status bits for symlink to directory"
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when (statusElements fs /= statusElements fs') $
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fail "status for a file does not match when it's accessed via a symlink"
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when (statusElements ds /= statusElements ds') $
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fail "status for a directory does not match when it's accessed via a symlink"
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cleanup = do
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ignoreIOExceptions $ removeDirectory dir
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mapM_ (ignoreIOExceptions . removeLink)
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[regular, link_regular, link_dir]
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ignoreIOExceptions io = io `E.catch`
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((\_ -> return ()) :: IOException -> IO ())
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getStatus f = do
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fs <- getFileStatus f
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ls <- getSymbolicLinkStatus f
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fd <- openFd f ReadOnly defaultFileFlags
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fs' <- getFdStatus fd
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when (statusElements fs /= statusElements fs') $
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fail "getFileStatus and getFdStatus give inconsistent results"
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when (not (isSymbolicLink ls) && statusElements fs /= statusElements fs') $
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fail $ "getFileStatus and getSymbolicLinkStatus give inconsistent results "
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++ "on a file that is not a symbolic link"
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return (fs, ls)
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-- Yay for 20-element tuples!
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statusElements fs = (,)
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(deviceID fs
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,fileMode fs
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,linkCount fs
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,fileOwner fs
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,fileGroup fs
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,specialDeviceID fs
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,fileSize fs
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,accessTime fs
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,accessTimeHiRes fs
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,modificationTime fs
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,modificationTimeHiRes fs
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,statusChangeTime fs
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,statusChangeTimeHiRes fs
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)
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(isBlockDevice fs
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,isCharacterDevice fs
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,isNamedPipe fs
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,isRegularFile fs
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,isDirectory fs
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,isSymbolicLink fs
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,isSocket fs
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)
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