forked from OSchip/llvm-project
71 lines
2.0 KiB
C++
71 lines
2.0 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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// XFAIL: libcpp-no-exceptions
|
|
// UNSUPPORTED: libcpp-has-no-threads
|
|
// UNSUPPORTED: c++98, c++03
|
|
|
|
// <future>
|
|
|
|
// class shared_future<R>
|
|
|
|
// ~shared_future();
|
|
|
|
#include <future>
|
|
#include <cassert>
|
|
|
|
#include "test_allocator.h"
|
|
|
|
int main()
|
|
{
|
|
assert(test_alloc_base::alloc_count == 0);
|
|
{
|
|
typedef int T;
|
|
std::shared_future<T> f;
|
|
{
|
|
std::promise<T> p(std::allocator_arg, test_allocator<T>());
|
|
assert(test_alloc_base::alloc_count == 1);
|
|
f = p.get_future();
|
|
assert(test_alloc_base::alloc_count == 1);
|
|
assert(f.valid());
|
|
}
|
|
assert(test_alloc_base::alloc_count == 1);
|
|
assert(f.valid());
|
|
}
|
|
assert(test_alloc_base::alloc_count == 0);
|
|
{
|
|
typedef int& T;
|
|
std::shared_future<T> f;
|
|
{
|
|
std::promise<T> p(std::allocator_arg, test_allocator<int>());
|
|
assert(test_alloc_base::alloc_count == 1);
|
|
f = p.get_future();
|
|
assert(test_alloc_base::alloc_count == 1);
|
|
assert(f.valid());
|
|
}
|
|
assert(test_alloc_base::alloc_count == 1);
|
|
assert(f.valid());
|
|
}
|
|
assert(test_alloc_base::alloc_count == 0);
|
|
{
|
|
typedef void T;
|
|
std::shared_future<T> f;
|
|
{
|
|
std::promise<T> p(std::allocator_arg, test_allocator<T>());
|
|
assert(test_alloc_base::alloc_count == 1);
|
|
f = p.get_future();
|
|
assert(test_alloc_base::alloc_count == 1);
|
|
assert(f.valid());
|
|
}
|
|
assert(test_alloc_base::alloc_count == 1);
|
|
assert(f.valid());
|
|
}
|
|
assert(test_alloc_base::alloc_count == 0);
|
|
}
|