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-rw-r--r--Lib/test/test_asyncio/test_futures.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/Lib/test/test_asyncio/test_futures.py b/Lib/test/test_asyncio/test_futures.py
index 96b41d69db..a6071ea76b 100644
--- a/Lib/test/test_asyncio/test_futures.py
+++ b/Lib/test/test_asyncio/test_futures.py
@@ -343,6 +343,12 @@ class FutureTests(test_utils.TestCase):
message = m_log.error.call_args[0][0]
self.assertRegex(message, re.compile(regex, re.DOTALL))
+ def test_set_result_unless_cancelled(self):
+ fut = asyncio.Future(loop=self.loop)
+ fut.cancel()
+ fut._set_result_unless_cancelled(2)
+ self.assertTrue(fut.cancelled())
+
class FutureDoneCallbackTests(test_utils.TestCase):