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

   1 // { dg-options "-std=gnu++0x" }
   2 // { dg-require-cstdint "" }
   3
   4 // Copyright (C) 2008-2014 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 // 20.8.4 Class template time_point [time.point]
  22
  23 #include <chrono>
  24 #include <testsuite_hooks.h>
  25
  26 // 20.8.4.1 time_point constructors [time.point.cons]
  27 void
  28 test01()
  29 {
  30   bool test __attribute__((unused)) = true;
  31   using namespace std::chrono;
  32
  33   time_point<system_clock> t1;
  34   VERIFY(t1.time_since_epoch() == system_clock::duration::zero());
  35
  36   time_point<steady_clock> t2;
  37   VERIFY(t2.time_since_epoch() == steady_clock::duration::zero());
  38
  39   time_point<high_resolution_clock> t3;
  40   VERIFY(t3.time_since_epoch() == high_resolution_clock::duration::zero());
  41 }
  42
  43 int
  44 main()
  45 {
  46   test01();
  47   return 0;
  48 }