public void AddingChildToGroup_ShouldWork()
{
var g = new Group();
var s = new TestShape();
g.AddShape(s);
Assert.Equal(1, g.Count);
Assert.Contains(s, g.Shapes);
Assert.Equal(s.Parent, g);
}
public void IntersectingGroupWithRay_ShouldTestChildrenIfBoxIsHit()
{
var child = new TestShape();
var group = new Group();
group.AddShape(child);
var r = new Ray(new Point(0, 0, -5), new Vector(0, 0, 1));
var xs = group.Intersect(r);
Assert.NotNull(child.SavedRay);
}
public void Shape_ShouldHaveParentMember()
{
var s = new TestShape();
Assert.True(s.Parent == null);
}