/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2014-2020, Regents of the University of California
 *
 * NAC library is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * NAC library is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
 *
 * You should have received copies of the GNU General Public License and GNU Lesser
 * General Public License along with ndn-cxx, e.g., in COPYING.md file.  If not, see
 * <http://www.gnu.org/licenses/>.
 *
 * See AUTHORS.md for complete list of NAC library authors and contributors.
 */

#include "tests/clock-fixture.hpp"

namespace ndn {
namespace nac {
namespace tests {

ClockFixture::ClockFixture()
  : m_steadyClock(make_shared<time::UnitTestSteadyClock>())
  , m_systemClock(make_shared<time::UnitTestSystemClock>())
{
  time::setCustomClocks(m_steadyClock, m_systemClock);
}

ClockFixture::~ClockFixture()
{
  time::setCustomClocks(nullptr, nullptr);
}

void
ClockFixture::advanceClocks(time::nanoseconds tick, time::nanoseconds total)
{
  BOOST_ASSERT(tick > time::nanoseconds::zero());
  BOOST_ASSERT(total >= time::nanoseconds::zero());

  while (total > time::nanoseconds::zero()) {
    auto t = std::min(tick, total);
    m_steadyClock->advance(t);
    m_systemClock->advance(t);
    total -= t;

    afterTick();
  }
}

} // namespace tests
} // namespace nac
} // namespace ndn