/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
/*
 * Copyright (c) 2012-2020  University of California, Los Angeles
 *                          The University of Memphis
 *
 * This file is part of PSync.
 *
 * PSync 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.
 *
 * PSync 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 a copy of the GNU Lesser General Public License along with
 * PSync, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef NDN_TESTS_UNIT_TESTS_UNIT_TEST_TIME_FIXTURE_HPP
#define NDN_TESTS_UNIT_TESTS_UNIT_TEST_TIME_FIXTURE_HPP

#include <ndn-cxx/util/time-unit-test-clock.hpp>

#include <boost/asio.hpp>

namespace ndn {
namespace tests {

class UnitTestTimeFixture
{
public:
  UnitTestTimeFixture()
    : steadyClock(make_shared<time::UnitTestSteadyClock>())
    , systemClock(make_shared<time::UnitTestSystemClock>())
  {
    time::setCustomClocks(steadyClock, systemClock);
  }

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

  void
  advanceClocks(const time::nanoseconds& tick, size_t nTicks = 1)
  {
    for (size_t i = 0; i < nTicks; ++i) {
      steadyClock->advance(tick);
      systemClock->advance(tick);

      if (io.stopped())
        io.reset();
      io.poll();
    }
  }

public:
  shared_ptr<time::UnitTestSteadyClock> steadyClock;
  shared_ptr<time::UnitTestSystemClock> systemClock;
  boost::asio::io_service io;
};

} // namespace tests
} // namespace ndn

#endif // NDN_TESTS_UNIT_TESTS_UNIT_TEST_TIME_FIXTURE_HPP