1 | //===----------------------------------------------------------------------===// |
2 | // |
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 |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | // UNSUPPORTED: c++03, c++11, c++14, c++17 |
9 | |
10 | // <chrono> |
11 | |
12 | // using years = duration<signed integer type of at least 17 bits, ratio_multiply<ratio<146097, 400>, days::period>> |
13 | |
14 | #include <chrono> |
15 | #include <limits> |
16 | #include <ratio> |
17 | #include <type_traits> |
18 | |
19 | #include "test_macros.h" |
20 | |
21 | int main(int, char**) |
22 | { |
23 | typedef std::chrono::years D; |
24 | typedef D::rep Rep; |
25 | typedef D::period Period; |
26 | static_assert(std::is_signed<Rep>::value, "" ); |
27 | static_assert(std::is_integral<Rep>::value, "" ); |
28 | static_assert(std::numeric_limits<Rep>::digits >= 17, "" ); |
29 | static_assert(std::is_same_v<Period, std::ratio_multiply<std::ratio<146097, 400>, std::chrono::days::period>>, "" ); |
30 | |
31 | return 0; |
32 | } |
33 | |