protected void SetProperty <T>(ref T model, Action setter, [CallerMemberName] string propertyName = null)
{
var oldState = model;
setter();
RaisePropertyChanged(propertyName);
UndoService.AddUndoState(this, propertyName, oldState, model);
}
public void UndoService_AddUndoState_AddsStateToUndoStates()
{
//arrange
var testViewModel = new TestViewModel();
//act
UndoService.AddUndoState(testViewModel, propertyName, 1, 2);
var state = UndoService.GetWindowPreviousState;
//assert
Assert.AreEqual(testViewModel, state.viewModel);
Assert.AreEqual(propertyName, state.propertyName);
Assert.AreEqual(1, state.oldState);
Assert.AreEqual(2, state.newState);
}