public void TestAddPutsCoinIntoCoinList()
{
CoinPurse coinPurse = new CoinPurse();
MockCoin coinAdded = new MockCoin();
coinPurse.AddCoin(coinAdded);
Assert.AreEqual(new List <ICoin>()
{
coinAdded
}, coinPurse.Coins);
}
public void TestAddPutsCoinIntoCoinListMultipleCoins()
{
CoinPurse coinPurse = new CoinPurse();
MockCoin firstCoinAdded = new MockCoin();
MockCoin secondCoinAdded = new MockCoin();
MockCoin thirdCoinAdded = new MockCoin();
List <ICoin> expectedCoins = new List <ICoin>()
{
firstCoinAdded,
secondCoinAdded,
thirdCoinAdded
};
coinPurse.AddCoin(firstCoinAdded);
coinPurse.AddCoin(secondCoinAdded);
coinPurse.AddCoin(thirdCoinAdded);
Assert.AreEqual(expectedCoins, coinPurse.Coins);
}
public void TestAmountAvailableReturnsTotalValueOfCoinsInPurse()
{
CoinPurse coinPurse = new CoinPurse();
decimal expectedValueOfAllCoins = 5.55m;
MockCoin coinAdded = new MockCoin()
{
ValueToReturn = expectedValueOfAllCoins
};
coinPurse.AddCoin(coinAdded);
Assert.AreEqual(expectedValueOfAllCoins, coinPurse.AmountAvailable);
}
public void TestClearReturnsAllCoinsAndEmptiesPurse()
{
CoinPurse coinPurse = new CoinPurse();
MockCoin mockCoin = new MockCoin();
coinPurse.AddCoin(mockCoin);
List <ICoin> coinsReturnedFromClear = coinPurse.Clear();
Assert.AreEqual(1, coinsReturnedFromClear.Count);
Assert.AreEqual(mockCoin, coinsReturnedFromClear[0]);
Assert.AreEqual(0, coinPurse.Coins.Count);
}
public void TestAmountAvailableReturnsTotalValueOfCoinsInPurseMultipleCoins()
{
CoinPurse coinPurse = new CoinPurse();
decimal expectedValueOfAllCoins = 0;
const decimal firstCoinValue = 1.25m;
MockCoin firstCoinAdded = new MockCoin()
{
ValueToReturn = firstCoinValue
};
expectedValueOfAllCoins += firstCoinValue;
const decimal secondCoinValue = 0.25m;
MockCoin secondCoinAdded = new MockCoin()
{
ValueToReturn = secondCoinValue
};
expectedValueOfAllCoins += secondCoinValue;
const decimal thirdCoinValue = 4.25m;
MockCoin thirdCoinAdded = new MockCoin()
{
ValueToReturn = thirdCoinValue
};
expectedValueOfAllCoins += thirdCoinValue;
coinPurse.AddCoin(firstCoinAdded);
coinPurse.AddCoin(secondCoinAdded);
coinPurse.AddCoin(thirdCoinAdded);
Assert.AreEqual(expectedValueOfAllCoins, coinPurse.AmountAvailable);
}
public void TestUpdatesOberserversWhenCoinIsAddedToCoinPurse()
{
CoinPurse coinPurse = new CoinPurse();
MockCoinPurseObserver mockCoinPurseObserverOne = new MockCoinPurseObserver();
MockCoinPurseObserver mockCoinPurseObserverTwo = new MockCoinPurseObserver();
coinPurse.RegisterObserver(mockCoinPurseObserverOne);
coinPurse.RegisterObserver(mockCoinPurseObserverTwo);
coinPurse.AddCoin(new MockCoin());
Assert.AreEqual(1, mockCoinPurseObserverOne.NumberOfTimesCoinPurseUpdatedCalled);
Assert.AreEqual(1, mockCoinPurseObserverTwo.NumberOfTimesCoinPurseUpdatedCalled);
}
