libstdc++-v3/testsuite/20_util/duration/arithmetic/58850.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-cstdint "" }
   3
   4 // Copyright (C) 2013-2016 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <chrono>
  22 #include <testsuite_hooks.h>
  23
  24 void test01()
  25 {
  26   bool test __attribute__((unused)) = true;
  27   using namespace std::chrono;
  28
  29   typedef duration<std::int64_t, std::ratio<36 * 24 * 36525>> Years;
  30   Years galactic_empire_age( 12067 );
  31
  32   VERIFY( duration_cast<seconds>( galactic_empire_age ).count()
  33           == duration_cast<minutes>( galactic_empire_age ).count() * 60 );
  34   VERIFY( duration_cast<minutes>( galactic_empire_age ).count()
  35           == duration_cast<seconds>( galactic_empire_age ).count() / 60 );
  36 }
  37
  38 int main()
  39 {
  40   test01();
  41   return 0;
  42 }