blob: 445c189b13f312904d5831cc967652a5e851dc01 [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 shared_future<R>
// shared_future(const shared_future& rhs);
#include <future>
#include <cassert>
int main()
{
{
typedef int T;
std::promise<T> p;
std::shared_future<T> f0 = p.get_future();
std::shared_future<T> f = f0;
assert(f0.valid());
assert(f.valid());
}
{
typedef int T;
std::shared_future<T> f0;
std::shared_future<T> f = f0;
assert(!f0.valid());
assert(!f.valid());
}
{
typedef int& T;
std::promise<T> p;
std::shared_future<T> f0 = p.get_future();
std::shared_future<T> f = f0;
assert(f0.valid());
assert(f.valid());
}
{
typedef int& T;
std::shared_future<T> f0;
std::shared_future<T> f = std::move(f0);
assert(!f0.valid());
assert(!f.valid());
}
{
typedef void T;
std::promise<T> p;
std::shared_future<T> f0 = p.get_future();
std::shared_future<T> f = f0;
assert(f0.valid());
assert(f.valid());
}
{
typedef void T;
std::shared_future<T> f0;
std::shared_future<T> f = f0;
assert(!f0.valid());
assert(!f.valid());
}
}