public void PerformABidding() { var round = new Round(_Players.Object, _Biddings, new HighestCardCalculator(Trump)); round.PerformBidding(); Assert.That(_Biddings.BidOf(_Player1), Is.TypeOf<int>()); Assert.That(_Biddings.BidOf(_Player2), Is.TypeOf<int>()); Assert.That(_Biddings.BidOf(_Player3), Is.TypeOf<int>()); Assert.That(_Biddings.BidOf(_Player4), Is.TypeOf<int>()); }