1f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant//===----------------------------------------------------------------------===// 2f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant// 3f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant// The LLVM Compiler Infrastructure 4f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant// 8f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant//===----------------------------------------------------------------------===// 9f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant 10f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant// <future> 11f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant 12f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant// class promise<R> 13f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant 14f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant// void swap(promise& other); 15f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant 16f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant// template <class R> void swap(promise<R>& x, promise<R>& y); 17f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant 18f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant#include <future> 19f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant#include <cassert> 20f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant 21f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant#include "../test_allocator.h" 22f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant 23f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnantint main() 24f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant{ 25f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 0); 26f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant { 27f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant std::promise<int> p0(std::allocator_arg, test_allocator<int>()); 28f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant std::promise<int> p(std::allocator_arg, test_allocator<int>()); 29f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 2); 30f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant p.swap(p0); 31f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 2); 32f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant std::future<int> f = p.get_future(); 33f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 2); 34f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(f.valid()); 35f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant f = p0.get_future(); 36f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(f.valid()); 37f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 2); 38f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant } 39f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 0); 40f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant { 41f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant std::promise<int> p0(std::allocator_arg, test_allocator<int>()); 42f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant std::promise<int> p(std::allocator_arg, test_allocator<int>()); 43f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 2); 44f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant swap(p, p0); 45f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 2); 46f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant std::future<int> f = p.get_future(); 47f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 2); 48f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(f.valid()); 49f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant f = p0.get_future(); 50f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(f.valid()); 51f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 2); 52f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant } 53f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 0); 54f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant { 55f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant std::promise<int> p0(std::allocator_arg, test_allocator<int>()); 56f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant std::promise<int> p; 57f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 1); 58f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant p.swap(p0); 59f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 1); 60f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant std::future<int> f = p.get_future(); 61f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 1); 62f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(f.valid()); 63f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant f = p0.get_future(); 64f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(f.valid()); 65f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 1); 66f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant } 67f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 0); 68f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant { 69f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant std::promise<int> p0(std::allocator_arg, test_allocator<int>()); 70f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant std::promise<int> p; 71f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 1); 72f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant swap(p, p0); 73f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 1); 74f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant std::future<int> f = p.get_future(); 75f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 1); 76f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(f.valid()); 77f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant f = p0.get_future(); 78f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(f.valid()); 79f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 1); 80f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant } 81f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant assert(test_alloc_base::count == 0); 82f39daa8e5a5f7d7eb19f391497a29b4fa0eec28dHoward Hinnant} 83