blob: a19ce2e39174a85867aa8cb6b66dcbb25729cd1f [file] [log] [blame]
//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <future>
// class future<R>
// shared_future<R> share() &&;
#include <future>
#include <cassert>
int main()
{
{
typedef int T;
std::promise<T> p;
std::future<T> f0 = p.get_future();
std::shared_future<T> f = std::move(f0.share());
assert(!f0.valid());
assert(f.valid());
}
{
typedef int T;
std::future<T> f0;
std::shared_future<T> f = std::move(f0.share());
assert(!f0.valid());
assert(!f.valid());
}
{
typedef int& T;
std::promise<T> p;
std::future<T> f0 = p.get_future();
std::shared_future<T> f = std::move(f0.share());
assert(!f0.valid());
assert(f.valid());
}
{
typedef int& T;
std::future<T> f0;
std::shared_future<T> f = std::move(f0.share());
assert(!f0.valid());
assert(!f.valid());
}
{
typedef void T;
std::promise<T> p;
std::future<T> f0 = p.get_future();
std::shared_future<T> f = std::move(f0.share());
assert(!f0.valid());
assert(f.valid());
}
{
typedef void T;
std::future<T> f0;
std::shared_future<T> f = std::move(f0.share());
assert(!f0.valid());
assert(!f.valid());
}
}