/// <summary>
/// Creates an aggregate of UndoServices.
/// </summary>
/// <param name="subUndoServices"></param>
public UndoServiceAggregate(IUndoService[] subUndoServices)
{
_undoStack = new IntStackWithDelete();
_redoStack = new IntStackWithDelete();
_subUndoServices = new List <SubUndoService>();
_clearStackInvocationsCount = 0;
if (subUndoServices == null)
{
throw new ArgumentNullException(nameof(subUndoServices));
}
for (var i = 0; i < subUndoServices.Length; i++)
{
AddUndoService(subUndoServices[i]);
}
_undoServiceValidator = new UndoServiceValidator <int>(_undoStack, _redoStack);
_undoStack.HasItemsChanged += UndoStack_HasItemsChanged;
_redoStack.HasItemsChanged += RedoStack_HasItemsChanged;
}
public void Setup()
{
_testStack = new IntStackWithDelete();
_testStack.HasItemsChanged += _testStack_HasItemsChanged;
_hasItemsChangedFiredCount = 0;
}
