1 files changed, 10 insertions, 0 deletions
diff --git a/Lib/test/test_contextlib_async.py b/Lib/test/test_contextlib_async.py
index 57716ae..492b226 100644
--- a/Lib/test/test_contextlib_async.py
+++ b/Lib/test/test_contextlib_async.py
@@ -352,6 +352,16 @@ class TestAsyncExitStack(TestBaseExitStack, unittest.TestCase):
 
         self.assertEqual(result, expected)
 
+        result = []
+        async with AsyncExitStack() as stack:
+            with self.assertRaises(TypeError):
+                stack.push_async_callback(arg=1)
+            with self.assertRaises(TypeError):
+                self.exit_stack.push_async_callback(arg=2)
+            with self.assertWarns(DeprecationWarning):
+                stack.push_async_callback(callback=_exit, arg=3)
+        self.assertEqual(result, [((), {'arg': 3})])
+
     @_async_test
     async def test_async_push(self):
         exc_raised = ZeroDivisionError