diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_os.py | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py index 63f409e..62edd6c 100644 --- a/Lib/test/test_os.py +++ b/Lib/test/test_os.py @@ -617,7 +617,18 @@ class TestInvalidFD(unittest.TestCase): def test_closerange(self): if hasattr(os, "closerange"): fd = support.make_bad_fd() - self.assertEqual(os.closerange(fd, fd + 10), None) + # Make sure none of the descriptors we are about to close are + # currently valid (issue 6542). + for i in range(10): + try: os.fstat(fd+i) + except OSError: + pass + else: + break + if i < 2: + raise unittest.SkipTest( + "Unable to acquire a range of invalid file descriptors") + self.assertEqual(os.closerange(fd, fd + i-1), None) def test_dup2(self): if hasattr(os, "dup2"): |