diff options
Diffstat (limited to 'Lib/test/test_threading.py')
| -rw-r--r-- | Lib/test/test_threading.py | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py index 91f5a8b2df..dc94603472 100644 --- a/Lib/test/test_threading.py +++ b/Lib/test/test_threading.py @@ -256,23 +256,31 @@ class ThreadTests(unittest.TestCase): def test_no_refcycle_through_target(self): class RunSelfFunction(object): - def __init__(self): + def __init__(self, should_raise): # The links in this refcycle from Thread back to self # should be cleaned up when the thread completes. + self.should_raise = should_raise self.thread = threading.Thread(target=self._run, args=(self,), kwargs={'yet_another':self}) self.thread.start() def _run(self, other_ref, yet_another): - pass + if self.should_raise: + raise SystemExit - cyclic_object = RunSelfFunction() + cyclic_object = RunSelfFunction(should_raise=False) weak_cyclic_object = weakref.ref(cyclic_object) cyclic_object.thread.join() del cyclic_object self.assertEquals(None, weak_cyclic_object()) + raising_cyclic_object = RunSelfFunction(should_raise=True) + weak_raising_cyclic_object = weakref.ref(raising_cyclic_object) + raising_cyclic_object.thread.join() + del raising_cyclic_object + self.assertEquals(None, weak_raising_cyclic_object()) + class ThreadingExceptionTests(unittest.TestCase): # A RuntimeError should be raised if Thread.start() is called |