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