67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
|
//===----------------------------------------------------------------------===//
|
||
|
|
//
|
||
|
|
// The LLVM Compiler Infrastructure
|
||
|
|
//
|
||
|
|
// This file is distributed under the University of Illinois Open Source
|
||
|
|
// License. See LICENSE.TXT for details.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
// <future>
|
||
|
|
|
||
|
|
// class shared_future<R>
|
||
|
|
|
||
|
|
// shared_future(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 = std::move(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 int& T;
|
||
|
|
std::promise<T> p;
|
||
|
|
std::shared_future<T> f0 = p.get_future();
|
||
|
|
std::shared_future<T> f = std::move(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 = std::move(f0);
|
||
|
|
assert(!f0.valid());
|
||
|
|
assert(f.valid());
|
||
|
|
}
|
||
|
|
{
|
||
|
|
typedef void T;
|
||
|
|
std::shared_future<T> f0;
|
||
|
|
std::shared_future<T> f = std::move(f0);
|
||
|
|
assert(!f0.valid());
|
||
|
|
assert(!f.valid());
|
||
|
|
}
|
||
|
|
}
|