final Currency EUR = new EURCurrency();
final Currency GBP = new GBPCurrency();
final Currency USD = new USDCurrency();
final Money m1 = Money.multiple(50000.0,GBP);
final Money m2 = Money.multiple(100000.0 , EUR);
final Money m3 = Money.multiple(500000.0 , USD);
ExchangeRateManager.getInstance().clear();
final ExchangeRate eur_usd = new ExchangeRate(EUR, USD, 1.2042);
final ExchangeRate eur_gbp = new ExchangeRate(EUR, GBP, 0.6612);
ExchangeRateManager.getInstance().add(eur_usd);
ExchangeRateManager.getInstance().add(eur_gbp);
Money.conversionType = Money.ConversionType.BaseCurrencyConversion;
Money.baseCurrency = EUR;
//divided the steps for tracing...
final Money calculated0 = m1.mul(3.0);
final Money calculated1 = (m2.mul(2.5));
final Money calculated2 = m3.div(5.0);
final Money calculated3 = calculated0.add(calculated1).sub(calculated2);
QL.info("Calculated value: " + calculated3.value());
final Rounding round = Money.baseCurrency.rounding();
/*@Decimal*/final double x = round.operator(m1.value()*3.0/eur_gbp.rate()) + 2.5*m2.value() -
round.operator(m3.value()/(5.0*eur_usd.rate()));
QL.info("Expected value: " + x);
final Money expected = new Money(x, EUR);
assertTrue(Closeness.isClose(calculated3.value(),expected.value()));
if(!calculated3.equals(expected)) {
fail("Wrong result: \n"
+ " expected: " + expected + "\n"
+ " calculated: " + calculated3);
}