| Marshall Clow | 5b08c17 | 2018-10-16 17:27:54 +0000 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| Chandler Carruth | 57b08b0 | 2019-01-19 10:56:40 +0000 | [diff] [blame] | 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| Marshall Clow | 5b08c17 | 2018-10-16 17:27:54 +0000 | [diff] [blame] | 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| Mikhail Maltsev | b7e43df | 2018-10-24 15:09:08 +0000 | [diff] [blame] | 8 | // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 |
| Marshall Clow | 5b08c17 | 2018-10-16 17:27:54 +0000 | [diff] [blame] | 9 | |
| 10 | // <chrono> |
| 11 | |
| 12 | // using months = duration<signed integer type of at least 20 bits, ratio_divide<years::period, ratio<12>>>; |
| 13 | |
| 14 | |
| 15 | #include <chrono> |
| 16 | #include <type_traits> |
| 17 | #include <limits> |
| 18 | |
| 19 | int main() |
| 20 | { |
| 21 | typedef std::chrono::months D; |
| 22 | typedef D::rep Rep; |
| 23 | typedef D::period Period; |
| 24 | static_assert(std::is_signed<Rep>::value, ""); |
| 25 | static_assert(std::is_integral<Rep>::value, ""); |
| 26 | static_assert(std::numeric_limits<Rep>::digits >= 20, ""); |
| 27 | static_assert(std::is_same_v<Period, std::ratio_divide<std::chrono::years::period, std::ratio<12>>>, ""); |
| 28 | } |