1 files changed, 11 insertions, 0 deletions
diff --git a/Lib/test/test_asyncio/test_tasks.py b/Lib/test/test_asyncio/test_tasks.py
index 2863c42..a5af7d1 100644
--- a/Lib/test/test_asyncio/test_tasks.py
+++ b/Lib/test/test_asyncio/test_tasks.py
@@ -92,6 +92,17 @@ class TaskTests(test_utils.TestCase):
         finally:
             other_loop.close()
 
+    def test_task_awaits_on_itself(self):
+        @asyncio.coroutine
+        def test():
+            yield from task
+
+        task = asyncio.ensure_future(test(), loop=self.loop)
+
+        with self.assertRaisesRegex(RuntimeError,
+                                    'Task cannot await on itself'):
+            self.loop.run_until_complete(task)
+
     def test_task_class(self):
         @asyncio.coroutine
         def notmuch():