class SpecTimer
  def initialize()
    self.start_time = 0
    self.end_time = 0
  end

  defm start()
    self.start_time = reltime()
  end

  defm stop()
    self.end_time = reltime()
    self.duration = self.time_to_ms(reltime(self.start_time))
  end

  defm get_duration()
    return self.duration
  end

  def time_to_ms(time)
    duration_str = reltimestr(time)
    duration_split = split(duration_str, '\.')
    seconds = str2nr(duration_split[0])
    microseconds = str2nr(duration_split[1])
    milliseconds = (seconds * 1000) + (microseconds / 1000)

    return milliseconds
  end

end