don't segfault when trying to fdopen() a fd for a dir (closes #22259)
Patch from Brian Kearns.
diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py
index df122f7..3f44aa3 100644
--- a/Lib/test/test_posix.py
+++ b/Lib/test/test_posix.py
@@ -194,6 +194,18 @@
self.fdopen_helper('r')
self.fdopen_helper('r', 100)
+ @unittest.skipUnless(hasattr(posix, 'fdopen'),
+ 'test needs posix.fdopen()')
+ def test_fdopen_directory(self):
+ try:
+ fd = os.open('.', os.O_RDONLY)
+ except OSError as e:
+ self.assertEqual(e.errno, errno.EACCES)
+ self.skipTest("system cannot open directories")
+ with self.assertRaises(IOError) as cm:
+ os.fdopen(fd, 'r')
+ self.assertEqual(cm.exception.errno, errno.EISDIR)
+
@unittest.skipUnless(hasattr(posix, 'fdopen') and
not sys.platform.startswith("sunos"),
'test needs posix.fdopen()')