1 /*
2     tests/test_async.cpp -- __await__ support
3 
4     Copyright (c) 2019 Google Inc.
5 
6     All rights reserved. Use of this source code is governed by a
7     BSD-style license that can be found in the LICENSE file.
8 */
9 
10 #include "pybind11_tests.h"
11 
TEST_SUBMODULE(async_module,m)12 TEST_SUBMODULE(async_module, m) {
13     struct DoesNotSupportAsync {};
14     py::class_<DoesNotSupportAsync>(m, "DoesNotSupportAsync")
15         .def(py::init<>());
16     struct SupportsAsync {};
17     py::class_<SupportsAsync>(m, "SupportsAsync")
18         .def(py::init<>())
19         .def("__await__", [](const SupportsAsync& self) -> py::object {
20             static_cast<void>(self);
21             py::object loop = py::module_::import("asyncio.events").attr("get_event_loop")();
22             py::object f = loop.attr("create_future")();
23             f.attr("set_result")(5);
24             return f.attr("__await__")();
25         });
26 }
27