| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 |
| |
| // <chrono> |
| |
| // using weeks = duration<signed integer type of at least 22 bits, ratio_multiply<ratio<7>, days::period>>; |
| |
| #include <chrono> |
| #include <type_traits> |
| #include <limits> |
| |
| #include "test_macros.h" |
| |
| int main(int, char**) |
| { |
| typedef std::chrono::weeks D; |
| typedef D::rep Rep; |
| typedef D::period Period; |
| static_assert(std::is_signed<Rep>::value, ""); |
| static_assert(std::is_integral<Rep>::value, ""); |
| static_assert(std::numeric_limits<Rep>::digits >= 22, ""); |
| static_assert(std::is_same_v<Period, std::ratio_multiply<std::ratio<7>, std::chrono::days::period>>, ""); |
| |
| return 0; |
| } |