public void NPCBaseUndoChangeAndRedo()
{
CustomerINotifyPC obj = new CustomerINotifyPC();
UndoRedoINPC sut = new UndoRedoINPC(obj);
obj.Name = "one";
obj.Name = "two";
obj.Name = "three";
sut.Undo();
Assert.That(obj.Name, Is.EqualTo("two"));
sut.Undo();
Assert.That(obj.Name, Is.EqualTo("one"));
obj.Name = "four";
sut.Undo();
Assert.That(obj.Name, Is.EqualTo("one"));
sut.Redo();
Assert.That(obj.Name, Is.EqualTo("four"));
}
public void NPCBaseUndo()
{
CustomerINotifyPC obj = new CustomerINotifyPC();
UndoRedoINPC sut = new UndoRedoINPC(obj);
obj.Name = "NewValue";
sut.Undo();
Assert.That(obj.Name, Is.Null);
}
public void NPCBaseRedoCountLimitExceeded()
{
CustomerINotifyPC obj = new CustomerINotifyPC();
UndoRedoINPC sut = new UndoRedoINPC(obj);
obj.Name = "one";
sut.Undo();
Assert.That(obj.Name, Is.Null);
sut.Redo();
Assert.That(obj.Name, Is.EqualTo("one"));
sut.Redo();
Assert.That(obj.Name, Is.EqualTo("one"));
}
public void NPCBaseUndoTwoLevelAndRedo()
{
CustomerINotifyPC obj = new CustomerINotifyPC();
UndoRedoINPC sut = new UndoRedoINPC(obj);
obj.Name = "one";
obj.Name = "two";
sut.Undo();
Assert.That(obj.Name, Is.EqualTo("one"));
sut.Undo();
Assert.That(obj.Name, Is.Null);
sut.Redo();
Assert.That(obj.Name, Is.EqualTo("one"));
sut.Redo();
Assert.That(obj.Name, Is.EqualTo("two"));
}