1 files changed, 17 insertions, 0 deletions
diff --git a/Lib/test/test_asyncio/test_unix_events.py b/Lib/test/test_asyncio/test_unix_events.py
index 5a49984..868751b 100644
--- a/Lib/test/test_asyncio/test_unix_events.py
+++ b/Lib/test/test_asyncio/test_unix_events.py
@@ -230,6 +230,23 @@ class SelectorEventLoopSignalTests(test_utils.TestCase):
         self.assertEqual(len(self.loop._signal_handlers), 0)
         m_signal.set_wakeup_fd.assert_called_once_with(-1)
 
+    @mock.patch('asyncio.unix_events.sys')
+    @mock.patch('asyncio.unix_events.signal')
+    def test_close_on_finalizing(self, m_signal, m_sys):
+        m_signal.NSIG = signal.NSIG
+        self.loop.add_signal_handler(signal.SIGHUP, lambda: True)
+
+        self.assertEqual(len(self.loop._signal_handlers), 1)
+        m_sys.is_finalizing.return_value = True
+        m_signal.signal.reset_mock()
+
+        with self.assertWarnsRegex(ResourceWarning,
+                                   "skipping signal handlers removal"):
+            self.loop.close()
+
+        self.assertEqual(len(self.loop._signal_handlers), 0)
+        self.assertFalse(m_signal.signal.called)
+
 
 @unittest.skipUnless(hasattr(socket, 'AF_UNIX'),
                      'UNIX Sockets are not supported')