public TestCurrencyExchange()
{
_repository = new CurrencyExchangeRepository();
_repository.AddExchangeRate(Currency.USD, Currency.CHF, 2.0 / 1.0);
_exchanger = new CurrencyExchanger(_repository);
}
public TestSum()
{
var repository = new CurrencyExchangeRepository();
var exchanger = new CurrencyExchanger(repository);
_calculation = new Calculation(exchanger);
repository.AddExchangeRate(Currency.USD, Currency.CHF, 2.0 / 1.0);
}
static Calculation GetCalculation()
{
var repository = new CurrencyExchangeRepository();
repository.AddExchangeRate(Currency.USD, Currency.CHF, 1.5);
var exchanger = new CurrencyExchanger(repository);
return(new Calculation(exchanger));
}
public void AddExchangeRate_USDtoCHF()
{
var repository = new CurrencyExchangeRepository();
repository.AddExchangeRate(Currency.USD, Currency.CHF, 2.0 / 1.0);
var pair = new CurrencyPair(Currency.USD, Currency.CHF);
Assert.IsTrue(Math.Abs(2.0 / 1.0 - repository.Rates[pair]) < double.Epsilon);
}
public void AddExchangeRate_CHFtoUSD_GetExchangeRate_CHFtoUSD()
{
var repository = new CurrencyExchangeRepository();
repository.AddExchangeRate(Currency.USD, Currency.CHF, 2.0 / 1.0);
var rate = repository.GetExchangeRate(Currency.CHF, Currency.USD);
Assert.IsTrue(Math.Abs(1.0 / 2.0 - rate) < double.Epsilon);
}
