| //===----------------------------------------------------------------------===// |
| // |
| // 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. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // UNSUPPORTED: 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); |
| } |