Function newClockInternal

tstest/clock.go:65–82

newClockInternal creates a Clock with the specified settings and allows specifying a non-standard realTimeClock.

(co ClockOpts, rtClock tstime.Clock)

// newClockInternal creates a Clock with the specified settings and allows
// specifying a non-standard realTimeClock.
func newClockInternal(co ClockOpts, rtClock tstime.Clock) *Clock {
	if !co.FollowRealTime && rtClock != nil {
		panic("rtClock can only be set with FollowRealTime enabled")
	}

	if co.FollowRealTime && rtClock == nil {
		rtClock = new(tstime.StdClock)
	}

	c := &Clock{
		start:            co.Start,
		realTimeClock:    rtClock,
		step:             co.Step,
		timerChannelSize: co.TimerChannelSize,
	}
	c.init() // init now to capture the current time when co.Start.IsZero()
	return c
}

// Clock is a testing clock that advances every time its Now method is
// called, beginning at its start time. If no start time is specified using