coroutine.cpp
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//
// coroutine.cpp
// ~~~~~~~~~~~~~
//
// Copyright (c) 2003-2020 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// 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 "asio/coroutine.hpp"
#include "unit_test.hpp"
// Must come after all other headers.
#include "asio/yield.hpp"
//------------------------------------------------------------------------------
// Coroutine completes via yield break.
void yield_break_coro(asio::coroutine& coro)
{
reenter (coro)
{
yield return;
yield break;
}
}
void yield_break_test()
{
asio::coroutine coro;
ASIO_CHECK(!coro.is_complete());
yield_break_coro(coro);
ASIO_CHECK(!coro.is_complete());
yield_break_coro(coro);
ASIO_CHECK(coro.is_complete());
}
//------------------------------------------------------------------------------
// Coroutine completes via return.
void return_coro(asio::coroutine& coro)
{
reenter (coro)
{
return;
}
}
void return_test()
{
asio::coroutine coro;
return_coro(coro);
ASIO_CHECK(coro.is_complete());
}
//------------------------------------------------------------------------------
// Coroutine completes via exception.
void exception_coro(asio::coroutine& coro)
{
reenter (coro)
{
throw 1;
}
}
void exception_test()
{
asio::coroutine coro;
try { exception_coro(coro); } catch (int) {}
ASIO_CHECK(coro.is_complete());
}
//------------------------------------------------------------------------------
// Coroutine completes by falling off the end.
void fall_off_end_coro(asio::coroutine& coro)
{
reenter (coro)
{
}
}
void fall_off_end_test()
{
asio::coroutine coro;
fall_off_end_coro(coro);
ASIO_CHECK(coro.is_complete());
}
//------------------------------------------------------------------------------
ASIO_TEST_SUITE
(
"coroutine",
ASIO_TEST_CASE(yield_break_test)
ASIO_TEST_CASE(return_test)
ASIO_TEST_CASE(exception_test)
ASIO_TEST_CASE(fall_off_end_test)
)