public void TestRegisterAddsObserverToObserverList() { CoinReturn coinReturn = new CoinReturn(); MockCoinReturnObserver mockCoinReturnObserver = new MockCoinReturnObserver(); coinReturn.RegisterObserver(mockCoinReturnObserver); Assert.AreEqual(1, coinReturn.Observers.Count); Assert.AreEqual(mockCoinReturnObserver, coinReturn.Observers[0]); }
public void TestClearCallsCoinReturnUpdatedOnObservers() { CoinReturn coinReturn = new CoinReturn(); MockCoinReturnObserver mockCoinReturnObserverOne = new MockCoinReturnObserver(); MockCoinReturnObserver mockCoinReturnObserverTwo = new MockCoinReturnObserver(); coinReturn.RegisterObserver(mockCoinReturnObserverOne); coinReturn.RegisterObserver(mockCoinReturnObserverTwo); coinReturn.Clear(); Assert.AreEqual(1, mockCoinReturnObserverOne.NumberOfTimesCoinPurseUpdatedCalled); Assert.AreEqual(1, mockCoinReturnObserverTwo.NumberOfTimesCoinPurseUpdatedCalled); }