public void Start_OutputRemainingTime()
{
Console.SetOut(_stringWriter);
int time = 2;
_timer.Start(time);
int sec = 1;
int min = 0;
Thread.Sleep(time * 1500);
Assert.That(_stringWriter.ToString(), Contains.Substring($"Display shows: {min:D2}:{sec:D2}"));
}
public void Start_TimerTick_ShortEnough()
{
ManualResetEvent pause = new ManualResetEvent(false);
uut.TimerTick += (sender, args) => pause.Set();
uut.Start(2000);
// wait for a tick, but no longer
Assert.That(pause.WaitOne(1100));
}
