static void TestMemento()
{
var editor = new Editor();
var history = new Memento.History();
editor.Content = "This is content 1";
history.Push(editor.CreateState());
editor.Content = "This is content 2";
history.Push(editor.CreateState());
editor.Content = "This is content 3";
history.Push(editor.CreateState());
editor.Content = "This is content 4";
System.Console.WriteLine(editor.Content);
editor.Restore(history.Pop());
System.Console.WriteLine(editor.Content);
editor.Restore(history.Pop());
// editor.Restore(history.Pop());
// editor.Restore(history.Pop());
System.Console.WriteLine(editor.Content);
}
public static void Behavioral_Memento()
{
var editor = new EditorM();
var history = new Memento.History();
editor.SetContent("A");
history.Push(editor.CreateState());
editor.SetContent("B");
history.Push(editor.CreateState());
editor.SetContent("C");
editor.Restore(history.Pop());
editor.Restore(history.Pop());
Console.WriteLine(editor.GetContent());
}
