diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_cmd_line.py | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Lib/test/test_cmd_line.py b/Lib/test/test_cmd_line.py index 56a8e39..8167e78 100644 --- a/Lib/test/test_cmd_line.py +++ b/Lib/test/test_cmd_line.py @@ -272,6 +272,25 @@ class CmdLineTest(unittest.TestCase): self.assertRegex(err.decode('ascii', 'ignore'), 'SyntaxError') self.assertEqual(b'', out) + def test_stdout_flush_at_shutdown(self): + # Issue #5319: if stdout.flush() fails at shutdown, an error should + # be printed out. + code = """if 1: + import os, sys + sys.stdout.write('x') + os.close(sys.stdout.fileno())""" + rc, out, err = assert_python_ok('-c', code) + self.assertEqual(b'', out) + self.assertRegex(err.decode('ascii', 'ignore'), + 'Exception IOError: .* ignored') + + def test_closed_stdout(self): + # Issue #13444: if stdout has been explicitly closed, we should + # not attempt to flush it at shutdown. + code = "import sys; sys.stdout.close()" + rc, out, err = assert_python_ok('-c', code) + self.assertEqual(b'', err) + def test_main(): test.support.run_unittest(CmdLineTest) |