libstdc++-v3/testsuite/20_util/time_point/1.cc

   1 // { dg-options "-std=gnu++0x" }
   2 // { dg-require-cstdint "" }
   3
   4 // Copyright (C) 2008 Free Software Foundation
   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 2, 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 COPYING.  If not, write to the Free
  19 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  20 // USA.
  21
  22 // 20.8.4 Class template time_point [time.point]
  23
  24 #include <chrono>
  25 #include <testsuite_hooks.h>
  26
  27 // 20.8.4.1 time_point constructors [time.point.cons]
  28 void
  29 test01()
  30 {
  31   bool test __attribute__((unused)) = true;
  32   using namespace std::chrono;
  33
  34   time_point<system_clock> t1;
  35   VERIFY(t1.time_since_epoch() == system_clock::duration::zero());
  36
  37   time_point<monotonic_clock> t2;
  38   VERIFY(t2.time_since_epoch() == monotonic_clock::duration::zero());
  39
  40   time_point<high_resolution_clock> t3;
  41   VERIFY(t3.time_since_epoch() == high_resolution_clock::duration::zero());
  42 }
  43
  44 int
  45 main()
  46 {
  47   test01();
  48   return 0;
  49 }