Merge 3.4 (Issue #24867)

1 files changed, 17 insertions, 0 deletions

diff --git a/Lib/test/test_asyncio/test_pep492.py b/Lib/test/test_asyncio/test_pep492.py
index b702efc..41e1b8a 100644
--- a/Lib/test/test_asyncio/test_pep492.py
+++ b/Lib/test/test_asyncio/test_pep492.py
@@ -186,6 +186,23 @@ class CoroutineTests(BaseTest):
         data = self.loop.run_until_complete(coro())
         self.assertEqual(data, 'spam')
 
+    def test_task_print_stack(self):
+        T = None
+
+        async def foo():
+            f = T.get_stack(limit=1)
+            try:
+                self.assertEqual(f[0].f_code.co_name, 'foo')
+            finally:
+                f = None
+
+        async def runner():
+            nonlocal T
+            T = asyncio.ensure_future(foo(), loop=self.loop)
+            await T
+
+        self.loop.run_until_complete(runner())
+
 
 if __name__ == '__main__':
     unittest.main()