public void AdditiveSumTestRedGreen50() { var colorA = new Color(0.0f, 1.0f, 0.0f, 0.5f); var colorB = new Color(1.0f, 0.0f, 0.0f, 0.5f); var expectedResult = new Color(0.667f, 0.333f, 0.0f, 0.75f); var result = colorA.AdditiveSum(colorB); Assert.AreEqual(expectedResult, result); }