public void ShouldTriggerFinishCallbackOnlyWhenLastTweenFinishes()
{
var sequenceFinishCallbackCount = 0;
var tween1 = new TweenSleep(new TimeSpan(100));
var tween2 = new TweenSleep(new TimeSpan(100));
var sequence = new TweenSequence(() => sequenceFinishCallbackCount++);
sequence.Add(tween1);
sequence.Add(tween2);
sequence.Advance(new TimeSpan(50));
Assert.Equal(0, sequenceFinishCallbackCount);
sequence.Advance(new TimeSpan(50));
Assert.Equal(0, sequenceFinishCallbackCount);
sequence.Advance(new TimeSpan(50));
Assert.Equal(0, sequenceFinishCallbackCount);
sequence.Advance(new TimeSpan(50));
Assert.Equal(1, sequenceFinishCallbackCount);
sequence.Advance(new TimeSpan(50));
Assert.Equal(1, sequenceFinishCallbackCount);
Assert.True(sequence.IsFinished);
}
public void ShouldAdvanceTheSecondTweenByWhatIsLeft()
{
var tween1 = new TweenSleep(new TimeSpan(100));
var tween2 = new TweenSleep(new TimeSpan(100));
var sequence = new TweenSequence();
sequence.Add(tween1);
sequence.Add(tween2);
sequence.Advance(new TimeSpan(150));
Assert.Equal(0, tween1.RemainingDuration.Ticks);
Assert.Equal(50, tween2.RemainingDuration.Ticks);
Assert.True(tween1.IsFinished);
Assert.False(tween2.IsFinished);
}
public void ShouldAdvanceTheFirstTween()
{
var tween1 = new TweenSleep(new TimeSpan(100));
var tween2 = new TweenSleep(new TimeSpan(100));
var sequence = new TweenSequence();
sequence.Add(tween1);
sequence.Add(tween2);
sequence.Advance(new TimeSpan(50));
Assert.Equal(50, tween1.RemainingDuration.Ticks);
Assert.Equal(100, tween2.RemainingDuration.Ticks);
Assert.False(tween1.IsFinished);
Assert.False(tween2.IsFinished);
}
