public void TopOfCirclePiWidth()
{
CircleArc arc = new CircleArc(Math.PI, Math.PI / 2);
Assert.AreEqual(Math.PI, arc.GetRadianInterval().Item1);
Assert.AreEqual(0, arc.GetRadianInterval().Item2);
}
public void BeginsAtTopOfCircle()
{
CircleArc arc = new CircleArc(0, Math.PI / 2);
Assert.AreEqual(Math.PI / 2, arc.GetRadianInterval().Item1);
Assert.AreEqual(Math.PI / 2, arc.GetRadianInterval().Item2);
}
public void MoveCounterClockwise5PI()
{
CircleArc arc = new CircleArc(Math.PI / 2, Math.PI / 2);
double pi = Math.PI;
double startRadian = (pi / 2 + (pi / 2) / 2) + pi;
double endRadian = (pi / 2 - (pi / 2) / 2) + pi;
arc.MoveCounterClockwise(Math.PI * 5);
Assert.AreEqual(startRadian, arc.GetRadianInterval().Item1, 0.01);
Assert.AreEqual(endRadian, arc.GetRadianInterval().Item2, 0.01);
}