time-unit-test-clock.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#ifndef NDN_TIME_UNIT_TEST_CLOCK_HPP
#define NDN_TIME_UNIT_TEST_CLOCK_HPP

#include "time-custom-clock.hpp"

namespace ndn {
namespace time {


template<class BaseClock>
class UnitTestClockTraits
{
public:
  static nanoseconds
  getDefaultStartTime()
  {
    return nanoseconds::zero();
  };
};

template<>
class UnitTestClockTraits<system_clock>
{
public:
  static nanoseconds
  getDefaultStartTime()
  {
    return seconds(1415684132);
  };
};

template<class BaseClock>
class UnitTestClock : public CustomClock<BaseClock>
{
public:
  explicit
  UnitTestClock(const nanoseconds& startTime =
                UnitTestClockTraits<BaseClock>::getDefaultStartTime());

  void
  advance(const nanoseconds& duration);

  void
  setNow(const nanoseconds& timeSinceEpoch);

public: // CustomClock<BaseClock>

  virtual std::string
  getSince() const;

  virtual typename BaseClock::time_point
  getNow() const;

  virtual boost::posix_time::time_duration
  toPosixDuration(const typename BaseClock::duration& duration) const;

private:
  nanoseconds m_currentTime;
};

typedef UnitTestClock<system_clock> UnitTestSystemClock;
typedef UnitTestClock<steady_clock> UnitTestSteadyClock;

} // namespace time
} // namespace ndn

#endif // NDN_TIME_UNIT_TEST_CLOCK_HPP