update ceph source to reef 18.1.2

[ceph.git] / ceph / src / boost / libs / asio / test / experimental / coro / use_coro.cpp

diff --git a/ceph/src/boost/libs/asio/test/experimental/coro/use_coro.cpp b/ceph/src/boost/libs/asio/test/experimental/coro/use_coro.cpp
new file mode 100644 (file)
index 0000000..3f57a7e
--- /dev/null
+++ b/ceph/src/boost/libs/asio/test/experimental/coro/use_coro.cpp
@@ -0,0 +1,77 @@
+//
+// experimental/coro/use_coro.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2021-2022 Klemens D. Morgenstern
+//                         (klemens dot morgenstern at gmx dot net)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+// Disable autolinking for unit tests.
+#if !defined(BOOST_ALL_NO_LIB)
+#define BOOST_ALL_NO_LIB 1
+#endif // !defined(BOOST_ALL_NO_LIB)
+
+// Test that header file is self-contained.
+#include <boost/asio/experimental/use_coro.hpp>
+
+#include <boost/asio/steady_timer.hpp>
+#include <iostream>
+#include "../../unit_test.hpp"
+
+using namespace boost::asio::experimental;
+
+namespace coro {
+
+boost::asio::experimental::coro<void(), int>
+awaiter(boost::asio::any_io_executor exec)
+{
+  boost::asio::steady_timer timer{exec};
+  co_await timer.async_wait(use_coro);
+  co_return 42;
+}
+
+boost::asio::experimental::coro<void() noexcept, int>
+awaiter_noexcept(boost::asio::any_io_executor exec)
+{
+  boost::asio::steady_timer timer{exec};
+  auto ec = co_await timer.async_wait(use_coro);
+  BOOST_ASIO_CHECK(ec == boost::system::error_code{});
+  co_return 42;
+}
+
+void stack_test2()
+{
+  bool done = false;
+  boost::asio::io_context ctx;
+
+  auto k = awaiter(ctx.get_executor());
+  auto k2 = awaiter_noexcept(ctx.get_executor());
+
+  k.async_resume(
+      [&](std::exception_ptr ex, int res)
+      {
+        BOOST_ASIO_CHECK(!ex);
+        BOOST_ASIO_CHECK(res == 42);
+        done = true;
+      });
+
+  k2.async_resume([&](int res)
+       {
+         BOOST_ASIO_CHECK(res == 42);
+         done = true;
+       });
+
+  ctx.run();
+  BOOST_ASIO_CHECK(done);
+}
+
+} // namespace coro
+
+BOOST_ASIO_TEST_SUITE
+(
+  "coro/use_coro",
+  BOOST_ASIO_TEST_CASE(::coro::stack_test2)
+)