public void PositionateAbsoluteEdgeWithNoLeft()
{
var edge = new OnTopEdge();
edge.Add(null, null);
edge.Positionate(WIDTH, HEIGHT);
}
public void PositionateAbsoluteOnTopEdge()
{
var edge = new OnTopEdge();
edge.Add(this.Left, null);
edge.Positionate(WIDTH, HEIGHT);
Assert.IsNotNull(edge.Left.Position);
Assert.AreEqual(edge.Left, this.Left);
Assert.AreEqual(edge.Left.Position.Value.Y, 0);
}