xref: /llvm-project/libcxx/test/std/time/hours.pass.cpp (revision 7738db2c06b177fe916ac1bcf3633449b3c1fca9)
1*7738db2cSMark de Wever //===----------------------------------------------------------------------===//
2*7738db2cSMark de Wever //
3*7738db2cSMark de Wever // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*7738db2cSMark de Wever // See https://llvm.org/LICENSE.txt for license information.
5*7738db2cSMark de Wever // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*7738db2cSMark de Wever //
7*7738db2cSMark de Wever //===----------------------------------------------------------------------===//
8*7738db2cSMark de Wever 
9*7738db2cSMark de Wever // <chrono>
10*7738db2cSMark de Wever 
11*7738db2cSMark de Wever // typedef duration<signed integral type of at least 23 bits, ratio<3600>> hours;
12*7738db2cSMark de Wever 
13*7738db2cSMark de Wever #include <chrono>
14*7738db2cSMark de Wever #include <limits>
15*7738db2cSMark de Wever #include <ratio>
16*7738db2cSMark de Wever #include <type_traits>
17*7738db2cSMark de Wever 
18*7738db2cSMark de Wever #include "test_macros.h"
19*7738db2cSMark de Wever 
main(int,char **)20*7738db2cSMark de Wever int main(int, char**)
21*7738db2cSMark de Wever {
22*7738db2cSMark de Wever     typedef std::chrono::hours D;
23*7738db2cSMark de Wever     typedef D::rep Rep;
24*7738db2cSMark de Wever     typedef D::period Period;
25*7738db2cSMark de Wever     static_assert(std::is_signed<Rep>::value, "");
26*7738db2cSMark de Wever     static_assert(std::is_integral<Rep>::value, "");
27*7738db2cSMark de Wever     static_assert(std::numeric_limits<Rep>::digits >= 22, "");
28*7738db2cSMark de Wever     static_assert((std::is_same<Period, std::ratio<3600> >::value), "");
29*7738db2cSMark de Wever 
30*7738db2cSMark de Wever   return 0;
31*7738db2cSMark de Wever }
32