thread/test/sync/futures/promise/set_exception_pass.cpp
2017-09-18 02:22:49 +02:00

111 lines
2.3 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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/future.hpp>
// class promise<R>
// void set_exception(exception_ptr p);
#define BOOST_THREAD_VERSION 3
#include <boost/thread/future.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <boost/static_assert.hpp>
namespace boost
{
template <typename T>
struct wrap
{
wrap(T const& v) :
value(v)
{
}
T value;
};
template <typename T>
exception_ptr make_exception_ptr(T v)
{
return copy_exception(wrap<T> (v));
}
}
int main()
{
{
typedef int T;
boost::promise<T> p;
boost::future<T> f = p.get_future();
p.set_exception(boost::make_exception_ptr(3));
try
{
f.get();
BOOST_TEST(false);
}
catch (boost::wrap<int> i)
{
BOOST_TEST(i.value == 3);
}
try
{
p.set_exception(boost::make_exception_ptr(3));
BOOST_TEST(false);
}
catch (const boost::future_error& e)
{
BOOST_TEST(e.code() == boost::system::make_error_code(boost::future_errc::promise_already_satisfied));
}
catch (...)
{
BOOST_TEST(false);
}
}
{
typedef int T;
boost::promise<T> p;
boost::future<T> f = p.get_future();
p.set_exception_deferred(boost::make_exception_ptr(3));
BOOST_TEST(!f.is_ready());
p.notify_deferred();
try
{
f.get();
BOOST_TEST(false);
}
catch (boost::wrap<int> i)
{
BOOST_TEST(i.value == 3);
}
try
{
p.set_exception(boost::make_exception_ptr(3));
BOOST_TEST(false);
}
catch (const boost::future_error& e)
{
BOOST_TEST(e.code() == boost::system::make_error_code(boost::future_errc::promise_already_satisfied));
}
catch (...)
{
BOOST_TEST(false);
}
}
return boost::report_errors();
}