public void PerpendicularVector2DTest()
{
Vector test = new Vector(3, 2);
Vector perpendicular = test.PerpendicularVector2D();
Assert.AreEqual(0, test.DotProduct(perpendicular), "Error: the dot product of orthoginal vectors should be 0.");
Assert.AreEqual(test.Magnitude, perpendicular.Magnitude, "Error: the magnitude of orthoginal vectors should be the same.");
}
