public void AnimationSpeedTest()
{
var a = new Animator {
TimeProvider = TimeProvider
};
a.SetAnimation(BasicAnimation);
a.SetSpeed(2.0f);
a.Update();
Assert.AreEqual(0, a.Frame);
TimeProvider.Advance(5);
a.Update();
Assert.AreEqual(0, a.Frame);
TimeProvider.Advance(25);
a.Update();
Assert.AreEqual(1, a.Frame);
TimeProvider.Advance(25);
a.Update();
Assert.AreEqual(2, a.Frame);
TimeProvider.Advance(25);
a.Update();
Assert.AreEqual(0, a.Frame);
a.SetSpeed(1.0f);
TimeProvider.Advance(100);
a.Update();
Assert.AreEqual(2, a.Frame);
}