diff options
Diffstat (limited to 'src/boost/libs/thread/test/test_10963.cpp')
-rw-r--r-- | src/boost/libs/thread/test/test_10963.cpp | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/boost/libs/thread/test/test_10963.cpp b/src/boost/libs/thread/test/test_10963.cpp new file mode 100644 index 00000000..1ec8d6cf --- /dev/null +++ b/src/boost/libs/thread/test/test_10963.cpp @@ -0,0 +1,61 @@ +// Copyright (C) 2014 Vicente Botet +// +// 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) + +#define BOOST_THREAD_VERSION 4 +#include <boost/config.hpp> +#if ! defined BOOST_NO_CXX11_DECLTYPE +#define BOOST_RESULT_OF_USE_DECLTYPE +#endif +#define BOOST_THREAD_PROVIDES_EXECUTORS + +#include <boost/thread/future.hpp> +#include <boost/static_assert.hpp> +#include <cassert> +#include <boost/thread/executors/basic_thread_pool.hpp> + + +struct TestCallback +{ + typedef boost::future<void> result_type; + + result_type operator()(boost::future<void> future) const + { + assert(future.is_ready()); + future.get(); + return boost::make_ready_future(); + } + + result_type operator()(boost::future<boost::future<void> > future) const + { + assert(future.is_ready()); + future.get(); + return boost::make_ready_future(); + } +}; + +int main() +{ +#if ! defined BOOST_NO_CXX11_DECLTYPE && ! defined BOOST_NO_CXX11_AUTO_DECLARATIONS + { + boost::promise<void> test_promise; + boost::future<void> test_future(test_promise.get_future()); + auto f1 = test_future.then(TestCallback()); + BOOST_STATIC_ASSERT(std::is_same<decltype(f1), boost::future<boost::future<void> > >::value); + auto f2 = f1.then(TestCallback()); + BOOST_STATIC_ASSERT(std::is_same<decltype(f2), boost::future<boost::future<void> > >::value); + } + { + boost::basic_thread_pool executor; + boost::promise<void> test_promise; + boost::future<void> test_future(test_promise.get_future()); + auto f1 = test_future.then(executor, TestCallback()); + BOOST_STATIC_ASSERT(std::is_same<decltype(f1), boost::future<boost::future<void> > >::value); + auto f2 = f1.then(executor, TestCallback()); + BOOST_STATIC_ASSERT(std::is_same<decltype(f2), boost::future<boost::future<void> > >::value); + + } +#endif + return 0; +} |