diff options
Diffstat (limited to 'testsuite/tests/lib/IO/4808.hs')
| -rw-r--r-- | testsuite/tests/lib/IO/4808.hs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/testsuite/tests/lib/IO/4808.hs b/testsuite/tests/lib/IO/4808.hs new file mode 100644 index 0000000000..97ca344bb4 --- /dev/null +++ b/testsuite/tests/lib/IO/4808.hs @@ -0,0 +1,12 @@ +import System.IO +import GHC.IO.Handle +import GHC.IO.FD as FD + +main = do + (fd, _) <- FD.openFile "4808.hs" ReadWriteMode False + hdl <- mkDuplexHandle fd "4808.hs" Nothing nativeNewlineMode + hClose hdl + (fd2, _) <- FD.openFile "4808.hs" ReadWriteMode False + print (fdFD fd == fdFD fd2) -- should be True + hGetLine hdl >>= print -- should fail with an exception + |