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-rw-r--r--Lib/test/_test_atexit.py15
1 files changed, 15 insertions, 0 deletions
diff --git a/Lib/test/_test_atexit.py b/Lib/test/_test_atexit.py
index a316585..55d2808 100644
--- a/Lib/test/_test_atexit.py
+++ b/Lib/test/_test_atexit.py
@@ -116,6 +116,21 @@ class GeneralTest(unittest.TestCase):
atexit._run_exitfuncs()
self.assertEqual(l, [5])
+ def test_atexit_with_unregistered_function(self):
+ # See bpo-46025 for more info
+ def func():
+ atexit.unregister(func)
+ 1/0
+ atexit.register(func)
+ try:
+ with support.catch_unraisable_exception() as cm:
+ atexit._run_exitfuncs()
+ self.assertEqual(cm.unraisable.object, func)
+ self.assertEqual(cm.unraisable.exc_type, ZeroDivisionError)
+ self.assertEqual(type(cm.unraisable.exc_value), ZeroDivisionError)
+ finally:
+ atexit.unregister(func)
+
if __name__ == "__main__":
unittest.main()