public void RelaySimpleCommandShouldCallAction()
{
var action = Substitute.For<Action>();
var target = new RelaySimpleCommand(action);
var arg = new object();
target.Execute(arg);
action.Received(1).Invoke();
}
public CardViewModel()
{
Insert = new RelaySimpleCommand<ItemViewModel>((it) => _Items.Insert(_Items.IndexOf(it),new ItemViewModel()));
Remove = new RelaySimpleCommand<ItemViewModel>((it) => _Items.Remove(it));
}