public void TestExchangeRatesEquality()
{
var newRateA = StockExchange.ExchangeRate(DateTime.Now, "CHF", "USD", 2.0M);
var newRateB = StockExchange.ExchangeRate(DateTime.Now, "CHF", "USD", 2.0M);
Assert.IsTrue(newRateA.Equals(newRateB));
Assert.IsFalse(newRateA.Equals(null));
}
public void TestGetExchangeRateOn()
{
var targetDate = new DateTime(2012, 10, 5, 8, 0, 0);
var stockExchange = new StockExchange();
stockExchange.AddExchangeRate(StockExchange.ExchangeRate(targetDate.AddDays(-2), "CHF", "USD", 2.0M));
stockExchange.AddExchangeRate(StockExchange.ExchangeRate(new DateTime(2012, 12, 7, 7, 0, 0), "CHF", "USD", 2.1M));
stockExchange.AddExchangeRate(StockExchange.ExchangeRate(new DateTime(2013, 2, 8, 8, 0, 0), "CHF", "USD", 2.2M));
Assert.AreEqual(stockExchange.GetExchangeRateOn("CHF", "USD", targetDate), StockExchange.ExchangeRate(targetDate.AddDays(-2), "CHF", "USD", 2.0M));
Assert.AreEqual(stockExchange.GetExchangeRateOn("CHF", "CAD", targetDate), null);
}
public void TestAddExchangeRates()
{
var fixedNow = DateTime.Now;
var newRate = StockExchange.ExchangeRate(fixedNow, "CHF", "USD", 2.0M);
Assert.AreEqual(newRate, StockExchange.ExchangeRate(fixedNow, "CHF", "USD", 2.0M));
var offsetRate = StockExchange.ExchangeRate(DateTime.Now, "CHF", "USD", 2.1M);
Assert.AreNotEqual(newRate, offsetRate);
}
public void TestMoneyEquality()
{
var stockExchange = new StockExchange();
stockExchange.AddExchangeRate(StockExchange.ExchangeRate(DateTime.Now, "CHF", "USD", 2.0M));
var bank = new Bank(stockExchange, new MockUpCurrencyListing(), "USD");
Assert.IsTrue(bank.Dollar(5M).Equals(bank.Dollar(5M)));
Assert.IsFalse(bank.Dollar(5M).Equals(bank.Franc(5M)));
Assert.IsTrue(bank.Franc(10M).Equals(bank.Franc(10M)));
Assert.IsFalse(bank.Dollar(5M).Equals(null));
}
public void TestGetExchangeRate()
{
var stockExchange = new StockExchange();
stockExchange.AddExchangeRate(StockExchange.ExchangeRate(DateTime.Now, "CHF", "USD", 2.0M));
stockExchange.AddExchangeRate(StockExchange.ExchangeRate(DateTime.Now.AddMilliseconds(1d), "CHF", "USD", 2.1M));
var bank = new Bank(stockExchange, new MockUpCurrencyListing(), "USD");
var currentRate = stockExchange.GetExchangeRate("CHF", "USD");
Assert.AreEqual(currentRate.ConversionRate, 2.1M);
Assert.AreEqual(bank.GetInternalExchangeRate("CHF"), currentRate);
Assert.AreEqual(stockExchange.GetExchangeRate("CHF", "CAD"), null);
}
public void TestMixedSubtraction()
{
var stockExchange = new StockExchange();
stockExchange.AddExchangeRate(StockExchange.ExchangeRate(DateTime.Now, "CHF", "USD", 2.0M));
var bank = new Bank(stockExchange, new MockUpCurrencyListing(), "USD");
var runCommands = new MoneyHandler();
var result = runCommands.Add(bank, bank.Dollar(5M), bank.Franc(-5M));
Assert.AreEqual(result, bank.Dollar(-5M));
result = runCommands.Add(bank, result, bank.Franc(10M));
Assert.AreEqual(result, bank.Dollar(15M));
}
public void TestMixedMultiplication()
{
var stockExchange = new StockExchange();
stockExchange.AddExchangeRate(StockExchange.ExchangeRate(DateTime.Now, "CHF", "USD", 2.0M));
var bank = new Bank(stockExchange, new MockUpCurrencyListing(), "USD");
var runCommands = new MoneyHandler();
var product = runCommands.Multiply(bank, bank.Dollar(5M), bank.Franc(5M));
Assert.AreEqual(product, bank.Dollar(50M));
product = runCommands.Multiply(bank, product, bank.Franc(2M));
Assert.AreEqual(product, bank.Dollar(200M));
product = runCommands.Undo(bank.Franc(2M));
Assert.AreEqual(product, bank.Dollar(50M));
product = runCommands.Redo(bank, bank.Franc(2M));
Assert.AreEqual(product, bank.Dollar(200M));
}