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-rw-r--r--libs/thread/test/test_10964.cpp76
1 files changed, 76 insertions, 0 deletions
diff --git a/libs/thread/test/test_10964.cpp b/libs/thread/test/test_10964.cpp
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index 000000000..b8cc7b5c0
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+++ b/libs/thread/test/test_10964.cpp
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+// Copyright (C) 2015 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
+
+#include <boost/thread/future.hpp>
+#include <boost/static_assert.hpp>
+
+struct TestCallback
+{
+ typedef boost::future<void> result_type;
+
+ result_type operator()(boost::future<void> future) const
+ {
+ future.get();
+ return boost::make_ready_future();
+ }
+
+ result_type operator()(boost::future<boost::future<void> > future) const
+ {
+ future.get();
+ return boost::make_ready_future();
+ }
+};
+
+void p1()
+{
+}
+
+int main()
+{
+#if ! defined BOOST_NO_CXX11_DECLTYPE && ! defined BOOST_NO_CXX11_AUTO_DECLARATIONS
+ std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl;
+ {
+ auto f1 = boost::make_ready_future().then(TestCallback());
+ BOOST_STATIC_ASSERT(std::is_same<decltype(f1), boost::future<boost::future<void> > >::value);
+ f1.wait();
+ }
+ std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl;
+ {
+ auto f1 = boost::make_ready_future().then(TestCallback());
+ BOOST_STATIC_ASSERT(std::is_same<decltype(f1), boost::future<boost::future<void> > >::value);
+ auto f2 = f1.unwrap();
+ BOOST_STATIC_ASSERT(std::is_same<decltype(f2), boost::future<void> >::value);
+ f2.wait();
+ }
+ std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl;
+ {
+ auto f1 = boost::make_ready_future().then(TestCallback());
+ BOOST_STATIC_ASSERT(std::is_same<decltype(f1), boost::future<boost::future<void> > >::value);
+ auto f2 = f1.unwrap();
+ BOOST_STATIC_ASSERT(std::is_same<decltype(f2), boost::future<void> >::value);
+ auto f3 = f2.then(TestCallback());
+ BOOST_STATIC_ASSERT(std::is_same<decltype(f1), boost::future<boost::future<void> > >::value);
+ f3.wait();
+ }
+ std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl;
+ {
+ boost::make_ready_future().then(
+ TestCallback()).unwrap().then(TestCallback()).get();
+ }
+ std::cout << __FILE__ << "[" << __LINE__ << "]" << std::endl;
+ {
+ boost::future<void> f = boost::async(p1);
+ f.then(
+ TestCallback()).unwrap().then(TestCallback()).get();
+ }
+#endif
+ return 0;
+}