libstdc++-v3/testsuite/20_util/duration/arithmetic/dr934-1.cc

   1 // { dg-do compile { target c++11 } }
   2
   3 // Copyright (C) 2009-2024 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 #include <chrono>
  21
  22 class ClockTime
  23 {
  24   typedef std::chrono::hours hours;
  25   typedef std::chrono::minutes minutes;
  26   typedef std::chrono::seconds seconds;
  27
  28 public:
  29   hours hours_;
  30   minutes minutes_;
  31   seconds seconds_;
  32
  33   template<typename Rep, typename Period>
  34     explicit
  35     ClockTime(const std::chrono::duration<Rep, Period>& d)
  36     : hours_  (std::chrono::duration_cast<hours>  (d)),
  37       minutes_(std::chrono::duration_cast<minutes>(d % hours(1))),
  38       seconds_(std::chrono::duration_cast<seconds>(d % minutes(1))) { }
  39 };
  40
  41 // DR 934.
  42 void test01()
  43 {
  44   std::chrono::duration<int> d;
  45   ClockTime ct(d);
  46 }