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Diffstat (limited to 'Lib/test/test_threading.py')
| -rw-r--r-- | Lib/test/test_threading.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py index 13a428d..029218d 100644 --- a/Lib/test/test_threading.py +++ b/Lib/test/test_threading.py @@ -685,6 +685,10 @@ class ThreadingExceptionTests(BaseTestCase): thread.start() self.assertRaises(RuntimeError, setattr, thread, "daemon", True) + def test_releasing_unacquired_lock(self): + lock = threading.Lock() + self.assertRaises(RuntimeError, lock.release) + class LockTests(lock_tests.LockTests): locktype = staticmethod(threading.Lock) |