//http://www.moviemalls.com/M/memento.htm

/**
 * This tests Memento and handles the state push and pop itself
 * So consider this the application (a separate one could have been constructed).
 * <br>Memento Design Pattern example for COM1204 Summer 2003.
 *
 * @author Bob Futrelle
 * @version 0.1, 4 July 2003
 *
 */
 
 public class MementoTest {
 	
	public static void main(String[] args) {
		
		StateStore states = new StateStore();
		Engine eng = new Engine();
		eng.postResult();
		eng.add(7); // 7
		states.addMemo(eng); // 7
		eng.times(5); // 35
		eng.add(4);
		states.addMemo(eng); // 39
		eng.add(1); // 40
		states.redoMemo(eng); // 39
		states.redoMemo(eng); // 7
		states.redoMemo(eng); // no more
		states.redoMemo(eng); // no more
		
	} // main()
 } // class Engine