public void TestNormalize() { Cartesian test = new Cartesian(2.0, 3.0, 6.0); UnitCartesian unit = test.Normalize(); Assert.AreEqual(2.0 / 7.0, unit.X); Assert.AreEqual(3.0 / 7.0, unit.Y); Assert.AreEqual(6.0 / 7.0, unit.Z); }