| Howard Hinnant | 94b2dd0 | 2010-08-22 00:59:46 +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 |
| Howard Hinnant | 94b2dd0 | 2010-08-22 00:59:46 +0000 | [diff] [blame] | 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | // <chrono> |
| 10 | |
| 11 | // typedef duration<signed integral type of at least 55 bits, micro> microseconds; |
| 12 | |
| 13 | #include <chrono> |
| 14 | #include <type_traits> |
| 15 | #include <limits> |
| 16 | |
| 17 | int main() |
| 18 | { |
| 19 | typedef std::chrono::microseconds D; |
| 20 | typedef D::rep Rep; |
| 21 | typedef D::period Period; |
| 22 | static_assert(std::is_signed<Rep>::value, ""); |
| 23 | static_assert(std::is_integral<Rep>::value, ""); |
| 24 | static_assert(std::numeric_limits<Rep>::digits >= 54, ""); |
| 25 | static_assert((std::is_same<Period, std::micro>::value), ""); |
| 26 | } |