libstdc++-v3/testsuite/20_util/duration/arithmetic/2.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // Copyright (C) 2008-2020 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 // 20.8.3 Class template duration [time.duration]
  21
  22 #include <chrono>
  23 #include <testsuite_hooks.h>
  24
  25 // 20.8.3.5 duration non-member arithmetic [time.duration.nonmember]
  26 void
  27 test01()
  28 {
  29   using namespace std::chrono;
  30
  31   duration<int> d0(12);
  32   duration<int> d1(3);
  33   int i = 3;
  34
  35   duration<int> d2 = d0 + d1;
  36   VERIFY(d2.count() == 15);
  37
  38   duration<int> d3 = d0 - d1;
  39   VERIFY(d3.count() == 9);
  40
  41   duration<int> d4 = d0 * i;
  42   VERIFY(d4.count() == 36);
  43
  44   duration<int> d5 = i * d0;
  45   VERIFY(d5.count() == 36);
  46
  47   duration<int> d6 = d0 / i;
  48   VERIFY(d6.count() == 4);
  49
  50   int j = d0 / d1;
  51   VERIFY(j == 4);
  52 }
  53
  54 int
  55 main()
  56 {
  57   test01();
  58   return 0;
  59 }