public void RGBWColors_should_add()
{
var a = new RGBWColor(1, 2, 3, 4);
var b = new RGBWColor(10, 12, 14, 16);
Assert.Equal(new RGBWColor(11, 14, 17, 20), a + b);
}
public void RGBWColors_should_multiply()
{
var negative = new RGBWColor(1, 2, 3, 4) * -1;
Assert.Equal(new RGBWColor(0, 0, 0, 0), negative);
var dbl = new RGBWColor(1, 2, 3, 4) * 2;
Assert.Equal(new RGBWColor(2, 4, 6, 8), dbl);
var max = new RGBWColor(1, 2, 3, 4) * 1000;
Assert.Equal(new RGBWColor(255, 255, 255, 255), max);
}