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 
9 // <chrono>
10 
11 // typedef duration<signed integral type of at least 29 bits, ratio< 60>> minutes;
12 
13 #include <chrono>
14 #include <type_traits>
15 #include <limits>
16 
17 #include "test_macros.h"
18 
main(int,char **)19 int main(int, char**)
20 {
21     typedef std::chrono::minutes 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 >= 28, "");
27     static_assert((std::is_same<Period, std::ratio<60> >::value), "");
28 
29   return 0;
30 }
31