public void ExchangeRateFromCurrencyAtoCurrencyB_ShouldBeInverseOfCurrencyBtoCurrencyA()
{
var x = ExchangeRates.Get(Currency.USD, Currency.GBP);
var y = ExchangeRates.Get(Currency.GBP, Currency.USD);
var p = x * y; // should be approximately 1.0
Assert.IsTrue(p > 0.999m && p < 1.001m);
}
public void ExchangeRateForDifferentCurrencyIsNotOne()
{
var x = ExchangeRates.Get(Currency.EUR, Currency.JPY);
Assert.IsTrue(x != 1);
}
public void ExchangeRateForSameCurrencyIsOne()
{
var x = ExchangeRates.Get(Currency.EUR, Currency.EUR);
Assert.IsTrue(x == 1);
}