Howard Hinnant | 99be823 | 2010-09-03 18:39:25 +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 | 99be823 | 2010-09-03 18:39:25 +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 | 99be823 | 2010-09-03 18:39:25 +0000 | [diff] [blame] | 11 | |
| 12 | // <future> |
| 13 | |
| 14 | // class shared_future<R> |
| 15 | |
| 16 | // shared_future& operator=(shared_future&& rhs); |
| 17 | |
| 18 | #include <future> |
| 19 | #include <cassert> |
| 20 | |
| 21 | int main() |
| 22 | { |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 23 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | 99be823 | 2010-09-03 18:39:25 +0000 | [diff] [blame] | 24 | { |
| 25 | typedef int T; |
| 26 | std::promise<T> p; |
| 27 | std::shared_future<T> f0 = p.get_future(); |
| 28 | std::shared_future<T> f; |
| 29 | f = std::move(f0); |
| 30 | assert(!f0.valid()); |
| 31 | assert(f.valid()); |
| 32 | } |
| 33 | { |
| 34 | typedef int T; |
| 35 | std::shared_future<T> f0; |
| 36 | std::shared_future<T> f; |
| 37 | f = std::move(f0); |
| 38 | assert(!f0.valid()); |
| 39 | assert(!f.valid()); |
| 40 | } |
| 41 | { |
| 42 | typedef int& T; |
| 43 | std::promise<T> p; |
| 44 | std::shared_future<T> f0 = p.get_future(); |
| 45 | std::shared_future<T> f; |
| 46 | f = std::move(f0); |
| 47 | assert(!f0.valid()); |
| 48 | assert(f.valid()); |
| 49 | } |
| 50 | { |
| 51 | typedef int& T; |
| 52 | std::shared_future<T> f0; |
| 53 | std::shared_future<T> f; |
| 54 | f = std::move(f0); |
| 55 | assert(!f0.valid()); |
| 56 | assert(!f.valid()); |
| 57 | } |
| 58 | { |
| 59 | typedef void T; |
| 60 | std::promise<T> p; |
| 61 | std::shared_future<T> f0 = p.get_future(); |
| 62 | std::shared_future<T> f; |
| 63 | f = std::move(f0); |
| 64 | assert(!f0.valid()); |
| 65 | assert(f.valid()); |
| 66 | } |
| 67 | { |
| 68 | typedef void T; |
| 69 | std::shared_future<T> f0; |
| 70 | std::shared_future<T> f; |
| 71 | f = std::move(f0); |
| 72 | assert(!f0.valid()); |
| 73 | assert(!f.valid()); |
| 74 | } |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 75 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
Howard Hinnant | 99be823 | 2010-09-03 18:39:25 +0000 | [diff] [blame] | 76 | } |