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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// Copyright (C) 2011 Vicente J. Botet Escriba
//
// 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)
// <boost/thread/shared_future.hpp>
// class shared_future<R>
// const R& shared_future::get();
// R& shared_future<R&>::get();
// void shared_future<void>::get();
//#define BOOST_THREAD_VERSION 3
#define BOOST_THREAD_VERSION 4
#include <boost/thread/future.hpp>
#include <boost/thread/thread.hpp>
#include <boost/detail/lightweight_test.hpp>
#if defined BOOST_THREAD_USES_CHRONO
template <typename T>
struct wrap
{
wrap(T const& v) : value(v){}
T value;
};
template <typename T>
boost::exception_ptr make_exception_ptr(T v) {
return boost::copy_exception(wrap<T>(v));
}
void func1(boost::promise<int> p)
{
boost::this_thread::sleep_for(boost::chrono::milliseconds(500));
p.set_value(3);
}
void func2(boost::promise<int> p)
{
boost::this_thread::sleep_for(boost::chrono::milliseconds(500));
p.set_exception(::make_exception_ptr(3));
}
int j = 0;
void func3(boost::promise<int&> p)
{
boost::this_thread::sleep_for(boost::chrono::milliseconds(500));
j = 5;
p.set_value(j);
}
void func4(boost::promise<int&> p)
{
boost::this_thread::sleep_for(boost::chrono::milliseconds(500));
p.set_exception(::make_exception_ptr(3.5));
}
void func5(boost::promise<void> p)
{
boost::this_thread::sleep_for(boost::chrono::milliseconds(500));
p.set_value();
}
void func6(boost::promise<void> p)
{
boost::this_thread::sleep_for(boost::chrono::milliseconds(500));
p.set_exception(::make_exception_ptr(4));
}
int main()
{
{
typedef int T;
{
boost::promise<T> p;
boost::shared_future<T> f((p.get_future()));
#if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
boost::thread(func1, boost::move(p)).detach();
#else
p.set_value(3);
#endif
BOOST_TEST(f.valid());
BOOST_TEST(f.get() == 3);
BOOST_TEST(f.valid());
}
{
boost::promise<T> p;
boost::shared_future<T> f((p.get_future()));
#if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
boost::thread(func2, boost::move(p)).detach();
#else
p.set_exception(::make_exception_ptr(3));
#endif
try
{
BOOST_TEST(f.valid());
BOOST_TEST(f.get() == 3);
BOOST_TEST(false);
}
catch (::wrap<int> const& i)
{
BOOST_TEST(i.value == 3);
}
catch (...)
{
BOOST_TEST(false);
}
BOOST_TEST(f.valid());
}
}
{
typedef int& T;
{
boost::promise<T> p;
boost::shared_future<T> f((p.get_future()));
#if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
boost::thread(func3, boost::move(p)).detach();
#else
int j=5;
p.set_value(j);
#endif
BOOST_TEST(f.valid());
BOOST_TEST(f.get() == 5);
BOOST_TEST(f.valid());
}
{
boost::promise<T> p;
boost::shared_future<T> f((p.get_future()));
#if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
boost::thread(func4, boost::move(p)).detach();
#else
p.set_exception(::make_exception_ptr(3.5));
#endif
try
{
BOOST_TEST(f.valid());
BOOST_TEST(f.get() == 3);
BOOST_TEST(false);
}
catch (::wrap<double> const& i)
{
BOOST_TEST(i.value == 3.5);
}
BOOST_TEST(f.valid());
}
}
typedef void T;
{
boost::promise<T> p;
boost::shared_future<T> f((p.get_future()));
#if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
boost::thread(func5, boost::move(p)).detach();
#else
p.set_value();
#endif
BOOST_TEST(f.valid());
f.get();
BOOST_TEST(f.valid());
}
{
boost::promise<T> p;
boost::shared_future<T> f((p.get_future()));
#if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
boost::thread(func6, boost::move(p)).detach();
#else
p.set_exception(::make_exception_ptr(4));
#endif
try
{
BOOST_TEST(f.valid());
f.get();
BOOST_TEST(false);
}
catch (::wrap<int> const& i)
{
BOOST_TEST(i.value == 4);
}
catch (...)
{
BOOST_TEST(false);
}
BOOST_TEST(f.valid());
}
return boost::report_errors();
}
#else
#error "Test not applicable: BOOST_THREAD_USES_CHRONO not defined for this platform as not supported"
#endif
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