public void ShouldFinishAllTheTweensOnlyOnceRegardlessOfCalls()
{
var tween1FinishCallbacks = 0;
var tween2FinishCallbacks = 0;
var tween1 = new TweenSleep(new TimeSpan(100), () => tween1FinishCallbacks++);
var tween2 = new TweenSleep(new TimeSpan(100), () => tween2FinishCallbacks++);
var sequence = new TweenSequence();
sequence.Add(tween1);
sequence.Add(tween2);
sequence.Finish();
sequence.Finish();
sequence.Finish();
Assert.Equal(1, tween1FinishCallbacks);
Assert.Equal(1, tween2FinishCallbacks);
Assert.True(tween1.IsFinished);
Assert.True(tween2.IsFinished);
Assert.True(sequence.IsFinished);
}
