Issue #15247: FileIO now raises an error when given a file descriptor pointing to a directory.
diff --git a/Lib/test/test_fileio.py b/Lib/test/test_fileio.py
index 4d13ce5..c6863d6 100644
--- a/Lib/test/test_fileio.py
+++ b/Lib/test/test_fileio.py
@@ -130,6 +130,14 @@
else:
self.fail("Should have raised IOError")
+ @unittest.skipIf(os.name == 'nt', "test only works on a POSIX-like system")
+ def testOpenDirFD(self):
+ fd = os.open('.', os.O_RDONLY)
+ with self.assertRaises(IOError) as cm:
+ _FileIO(fd, 'r')
+ os.close(fd)
+ self.assertEqual(cm.exception.errno, errno.EISDIR)
+
#A set of functions testing that we get expected behaviour if someone has
#manually closed the internal file descriptor. First, a decorator:
def ClosedFD(func):