public void MomentoElementWriteTest()
{
Element element = new Element();
ElementMomento momento = new ElementMomento(element);
momento.WriteItem(element);
}
public void MomentoElementSubclassTest()
{
Shape shape = new Shape();
shape.MinimumSize = new SizeF(8, 8);
ElementMomento momento = new ElementMomento(shape);
shape.MinimumSize = new SizeF(0, 0);
momento.WriteItem(shape);
Assert.IsTrue(shape.MinimumSize == new SizeF(8, 8), "Subclassed type not recorded by memento.");
}