libstdc++-v3/testsuite/20_util/duration/arithmetic/dr2020.cc

   1 // { dg-options "-std=gnu++0x" }
   2 // { dg-require-cstdint "" }
   3
   4 // Copyright (C) 2011-2013 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 // 20.11.5 Class template duration [time.duration]
  22
  23 #include <chrono>
  24 #include <testsuite_hooks.h>
  25
  26 // DR 2020
  27 void test01()
  28 {
  29   bool test __attribute__((unused)) = true;
  30   using namespace std::chrono;
  31
  32   constexpr duration<int> d0(12);
  33   constexpr duration<int> d1(3);
  34   constexpr int i = 5;
  35
  36   constexpr auto d2 = d0 + d1;
  37   VERIFY( d2.count() == 15 );
  38
  39   constexpr auto d3 = d0 - d1;
  40   VERIFY( d3.count() == 9 );
  41
  42   constexpr auto d4 = d0 * i;
  43   VERIFY( d4.count() == 60 );
  44
  45   constexpr auto d5 = i * d0;
  46   VERIFY( d5.count() == 60 );
  47
  48   constexpr auto d6 = d0 % i;
  49   VERIFY( d6.count() == 2 );
  50
  51   constexpr auto j = d0 % d1;
  52   VERIFY( j.count() == 0 );
  53
  54   constexpr auto d7 = d0 / i;
  55   VERIFY( d7.count() == 2 );
  56
  57   constexpr auto k = d0 / d1;
  58   VERIFY( k == 4 );
  59 }
  60
  61 int
  62 main()
  63 {
  64   test01();
  65   return 0;
  66 }