public void TestConstantZ()
{
var pattern = new StripedPattern(_white, _black);
Assert.AreEqual(_white, pattern.ColorAt(Tuple.Point(0, 0, 0)));
Assert.AreEqual(_white, pattern.ColorAt(Tuple.Point(0, 0, 1)));
Assert.AreEqual(_white, pattern.ColorAt(Tuple.Point(0, 0, 2)));
}
public void TestVariableX()
{
var pattern = new StripedPattern(_white, _black);
Assert.AreEqual(_white, pattern.ColorAt(Tuple.Point(0, 0, 0)));
Assert.AreEqual(_white, pattern.ColorAt(Tuple.Point(0.9, 0, 0)));
Assert.AreEqual(_black, pattern.ColorAt(Tuple.Point(1, 0, 0)));
Assert.AreEqual(_black, pattern.ColorAt(Tuple.Point(-0.1, 0, 0)));
Assert.AreEqual(_black, pattern.ColorAt(Tuple.Point(-1, 0, 0)));
Assert.AreEqual(_white, pattern.ColorAt(Tuple.Point(-1.1, 0, 0)));
}