| 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 | |
|---|
