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| author | Yury Selivanov <yury@magic.io> | 2016-10-09 16:19:12 (GMT) |
|---|---|---|
| committer | Yury Selivanov <yury@magic.io> | 2016-10-09 16:19:12 (GMT) |
| commit | 4145c8380699f7af14ae15179e01652e25f0d102 (patch) | |
| tree | d978e85119ce1efc2cb4643bf7ab9779102d3256 /Lib/test | |
| parent | 908d55dd7e395779ed1eb5c96664aca6297fedaa (diff) | |
| download | cpython-4145c8380699f7af14ae15179e01652e25f0d102.zip cpython-4145c8380699f7af14ae15179e01652e25f0d102.tar.gz cpython-4145c8380699f7af14ae15179e01652e25f0d102.tar.bz2 | |
Issue #27972: Prohibit Tasks to await on themselves.
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_asyncio/test_tasks.py | 11 |
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(): |