public void Do_Should_override_oldest_operation_When_max_capacity()
{
IUnDoManager manager = new UnDoManager(2);
IUnDo operation1 = Substitute.For <IUnDo>();
IUnDo operation2 = Substitute.For <IUnDo>();
IUnDo operation3 = Substitute.For <IUnDo>();
operation1.Description.Returns("un");
operation2.Description.Returns("dos");
operation3.Description.Returns("tres");
manager.Do(operation1);
manager.Do(operation2);
manager.Do(operation3);
Check.That(manager.UndoDescriptions).ContainsExactly("tres", "dos");
manager.Undo();
manager.Undo();
Check.That(manager.RedoDescriptions).ContainsExactly("dos", "tres");
manager.Redo();
manager.Redo();
Check.That(manager.UndoDescriptions).ContainsExactly("tres", "dos");
}
public void DoAdd_ICollection_Should_keep_index_When_source_is_IList()
{
IUnDoManager manager = new UnDoManager();
ICollection <int> source = new List <int> {
0, 1
};
manager.DoAdd(source, 2);
source.Add(3);
manager.Undo();
Check.That(source).ContainsExactly(0, 1, 3);
manager.Redo();
Check.That(source).ContainsExactly(0, 1, 2, 3);
}