diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_threading.py | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py index a9d31af..87c68df 100644 --- a/Lib/test/test_threading.py +++ b/Lib/test/test_threading.py @@ -759,6 +759,51 @@ class ThreadTests(BaseTestCase): # Daemon threads must never add it to _shutdown_locks. self.assertNotIn(tstate_lock, threading._shutdown_locks) + def test_locals_at_exit(self): + # bpo-19466: thread locals must not be deleted before destructors + # are called + rc, out, err = assert_python_ok("-c", """if 1: + import threading + + class Atexit: + def __del__(self): + print("thread_dict.atexit = %r" % thread_dict.atexit) + + thread_dict = threading.local() + thread_dict.atexit = "value" + + atexit = Atexit() + """) + self.assertEqual(out.rstrip(), b"thread_dict.atexit = 'value'") + + def test_warnings_at_exit(self): + # bpo-19466: try to call most destructors at Python shutdown before + # destroying Python thread states + filename = __file__ + rc, out, err = assert_python_ok("-Wd", "-c", """if 1: + import time + import threading + from test import support + + def open_sleep(): + # a warning will be emitted when the open file will be + # destroyed (without being explicitly closed) while the daemon + # thread is destroyed + fileobj = open(%a, 'rb') + start_event.set() + time.sleep(support.LONG_TIMEOUT) + + start_event = threading.Event() + + thread = threading.Thread(target=open_sleep, daemon=True) + thread.start() + + # wait until the thread started + start_event.wait() + """ % filename) + self.assertRegex(err.rstrip(), + b"^sys:1: ResourceWarning: unclosed file ") + class ThreadJoinOnShutdown(BaseTestCase): |