Howard Hinnant | f39daa8 | 2010-08-28 21:01:06 +0000 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Howard Hinnant | b64f8b0 | 2010-11-16 22:09:02 +0000 | [diff] [blame] | 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
Howard Hinnant | f39daa8 | 2010-08-28 21:01:06 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
Jonathan Roelofs | 8d86b2e | 2014-09-05 19:45:05 +0000 | [diff] [blame] | 9 | // |
| 10 | // UNSUPPORTED: libcpp-has-no-threads |
Howard Hinnant | f39daa8 | 2010-08-28 21:01:06 +0000 | [diff] [blame] | 11 | |
| 12 | // <future> |
| 13 | |
| 14 | // class promise<R> |
| 15 | |
| 16 | // promise(promise&& rhs); |
| 17 | |
| 18 | #include <future> |
| 19 | #include <cassert> |
| 20 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 21 | #include "../test_allocator.h" |
Howard Hinnant | f39daa8 | 2010-08-28 21:01:06 +0000 | [diff] [blame] | 22 | |
| 23 | int main() |
| 24 | { |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 25 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| 26 | assert(test_alloc_base::count == 0); |
Howard Hinnant | f39daa8 | 2010-08-28 21:01:06 +0000 | [diff] [blame] | 27 | { |
| 28 | std::promise<int> p0(std::allocator_arg, test_allocator<int>()); |
| 29 | std::promise<int> p(std::move(p0)); |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 30 | assert(test_alloc_base::count == 1); |
Howard Hinnant | f39daa8 | 2010-08-28 21:01:06 +0000 | [diff] [blame] | 31 | std::future<int> f = p.get_future(); |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 32 | assert(test_alloc_base::count == 1); |
Howard Hinnant | f39daa8 | 2010-08-28 21:01:06 +0000 | [diff] [blame] | 33 | assert(f.valid()); |
| 34 | try |
| 35 | { |
| 36 | f = p0.get_future(); |
| 37 | assert(false); |
| 38 | } |
| 39 | catch (const std::future_error& e) |
| 40 | { |
| 41 | assert(e.code() == make_error_code(std::future_errc::no_state)); |
| 42 | } |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 43 | assert(test_alloc_base::count == 1); |
Howard Hinnant | f39daa8 | 2010-08-28 21:01:06 +0000 | [diff] [blame] | 44 | } |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 45 | assert(test_alloc_base::count == 0); |
Howard Hinnant | f39daa8 | 2010-08-28 21:01:06 +0000 | [diff] [blame] | 46 | { |
| 47 | std::promise<int&> p0(std::allocator_arg, test_allocator<int>()); |
| 48 | std::promise<int&> p(std::move(p0)); |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 49 | assert(test_alloc_base::count == 1); |
Howard Hinnant | f39daa8 | 2010-08-28 21:01:06 +0000 | [diff] [blame] | 50 | std::future<int&> f = p.get_future(); |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 51 | assert(test_alloc_base::count == 1); |
Howard Hinnant | f39daa8 | 2010-08-28 21:01:06 +0000 | [diff] [blame] | 52 | assert(f.valid()); |
| 53 | try |
| 54 | { |
| 55 | f = p0.get_future(); |
| 56 | assert(false); |
| 57 | } |
| 58 | catch (const std::future_error& e) |
| 59 | { |
| 60 | assert(e.code() == make_error_code(std::future_errc::no_state)); |
| 61 | } |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 62 | assert(test_alloc_base::count == 1); |
Howard Hinnant | f39daa8 | 2010-08-28 21:01:06 +0000 | [diff] [blame] | 63 | } |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 64 | assert(test_alloc_base::count == 0); |
Howard Hinnant | f39daa8 | 2010-08-28 21:01:06 +0000 | [diff] [blame] | 65 | { |
| 66 | std::promise<void> p0(std::allocator_arg, test_allocator<void>()); |
| 67 | std::promise<void> p(std::move(p0)); |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 68 | assert(test_alloc_base::count == 1); |
Howard Hinnant | f39daa8 | 2010-08-28 21:01:06 +0000 | [diff] [blame] | 69 | std::future<void> f = p.get_future(); |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 70 | assert(test_alloc_base::count == 1); |
Howard Hinnant | f39daa8 | 2010-08-28 21:01:06 +0000 | [diff] [blame] | 71 | assert(f.valid()); |
| 72 | try |
| 73 | { |
| 74 | f = p0.get_future(); |
| 75 | assert(false); |
| 76 | } |
| 77 | catch (const std::future_error& e) |
| 78 | { |
| 79 | assert(e.code() == make_error_code(std::future_errc::no_state)); |
| 80 | } |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 81 | assert(test_alloc_base::count == 1); |
Howard Hinnant | f39daa8 | 2010-08-28 21:01:06 +0000 | [diff] [blame] | 82 | } |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 83 | assert(test_alloc_base::count == 0); |
| 84 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | f39daa8 | 2010-08-28 21:01:06 +0000 | [diff] [blame] | 85 | } |