public void testDerived()
{
Currency EUR = new EURCurrency(), USD = new USDCurrency(), GBP = new GBPCurrency();
ExchangeRate eur_usd = new ExchangeRate(EUR, USD, 1.2042);
ExchangeRate eur_gbp = new ExchangeRate(EUR, GBP, 0.6612);
ExchangeRate derived = ExchangeRate.chain(eur_usd, eur_gbp);
Money m1 = 50000.0 * GBP;
Money m2 = 100000.0 * USD;
Money.conversionType = Money.ConversionType.NoConversion;
Money calculated = derived.exchange(m1);
Money expected = new Money(m1.value*eur_usd.rate/eur_gbp.rate, USD);
if (!Utils.close(calculated, expected))
{
Assert.Fail("Wrong result: expected: " + expected + " calculated: " + calculated);
}
calculated = derived.exchange(m2);
expected = new Money(m2.value*eur_gbp.rate/eur_usd.rate, GBP);
if (!Utils.close(calculated, expected))
{
Assert.Fail("Wrong result: expected: " + expected + " calculated: " + calculated);
}
}
public void testBaseCurrency()
{
Currency EUR = new EURCurrency(), GBP = new GBPCurrency(), USD = new USDCurrency();
Money m1 = 50000.0 * GBP;
Money m2 = 100000.0 * EUR;
Money m3 = 500000.0 * USD;
ExchangeRateManager.Instance.clear();
ExchangeRate eur_usd = new ExchangeRate(EUR, USD, 1.2042);
ExchangeRate eur_gbp = new ExchangeRate(EUR, GBP, 0.6612);
ExchangeRateManager.Instance.add(eur_usd);
ExchangeRateManager.Instance.add(eur_gbp);
Money.conversionType = Money.ConversionType.BaseCurrencyConversion;
Money.baseCurrency = EUR;
Money calculated = m1 * 3.0 + 2.5 * m2 - m3 / 5.0;
Rounding round = Money.baseCurrency.rounding;
double x = round.Round(m1.value * 3.0 / eur_gbp.rate) + 2.5 * m2.value
- round.Round(m3.value / (5.0 * eur_usd.rate));
Money expected = new Money(x, EUR);
Money.conversionType = Money.ConversionType.NoConversion;
if (calculated != expected)
{
Assert.Fail("Wrong result: expected: " + expected + "calculated: " + calculated);
}
}
public void testSmartLookup()
{
Currency EUR = new EURCurrency(), USD = new USDCurrency(), GBP = new GBPCurrency(),
CHF = new CHFCurrency(), SEK = new SEKCurrency(), JPY = new JPYCurrency();
ExchangeRateManager rateManager = ExchangeRateManager.Instance;
rateManager.clear();
ExchangeRate eur_usd1 = new ExchangeRate(EUR, USD, 1.1983);
ExchangeRate eur_usd2 = new ExchangeRate(USD, EUR, 1.0/1.2042);
rateManager.add(eur_usd1, new Date(4,Month.August,2004));
rateManager.add(eur_usd2, new Date(5,Month.August,2004));
ExchangeRate eur_gbp1 = new ExchangeRate(GBP, EUR, 1.0 / 0.6596);
ExchangeRate eur_gbp2 = new ExchangeRate(EUR, GBP, 0.6612);
rateManager.add(eur_gbp1, new Date(4,Month.August,2004));
rateManager.add(eur_gbp2, new Date(5,Month.August,2004));
ExchangeRate usd_chf1 = new ExchangeRate(USD, CHF, 1.2847);
ExchangeRate usd_chf2 = new ExchangeRate(CHF, USD, 1.0 / 1.2774);
rateManager.add(usd_chf1, new Date(4,Month.August,2004));
rateManager.add(usd_chf2, new Date(5,Month.August,2004));
ExchangeRate chf_sek1 = new ExchangeRate(SEK, CHF, 0.1674);
ExchangeRate chf_sek2 = new ExchangeRate(CHF, SEK, 1.0 / 0.1677);
rateManager.add(chf_sek1, new Date(4,Month.August,2004));
rateManager.add(chf_sek2, new Date(5,Month.August,2004));
ExchangeRate jpy_sek1 = new ExchangeRate(SEK, JPY, 14.5450);
ExchangeRate jpy_sek2 = new ExchangeRate(JPY, SEK, 1.0 / 14.6110);
rateManager.add(jpy_sek1, new Date(4,Month.August,2004));
rateManager.add(jpy_sek2, new Date(5,Month.August,2004));
Money m1 = 100000.0 * USD;
Money m2 = 100000.0 * EUR;
Money m3 = 100000.0 * GBP;
Money m4 = 100000.0 * CHF;
Money m5 = 100000.0 * SEK;
Money m6 = 100000.0 * JPY;
Money.conversionType = Money.ConversionType.NoConversion;
// two-rate chain
ExchangeRate usd_sek = rateManager.lookup(USD, SEK, new Date(4,Month.August,2004));
Money calculated = usd_sek.exchange(m1);
Money expected = new Money(m1.value*usd_chf1.rate/chf_sek1.rate, SEK);
if (!Utils.close(calculated, expected))
{
Assert.Fail("Wrong result: expected: " + expected + " calculated: " + calculated);
}
usd_sek = rateManager.lookup(SEK, USD, new Date(5,Month.August,2004));
calculated = usd_sek.exchange(m5);
expected = new Money(m5.value*usd_chf2.rate/chf_sek2.rate, USD);
if (!Utils.close(calculated, expected))
{
Assert.Fail("Wrong result: expected: " + expected + " calculated: " + calculated);
}
// three-rate chain
ExchangeRate eur_sek = rateManager.lookup(EUR, SEK,new Date(4,Month.August,2004));
calculated = eur_sek.exchange(m2);
expected = new Money(m2.value*eur_usd1.rate*usd_chf1.rate/chf_sek1.rate, SEK);
if (!Utils.close(calculated, expected))
{
Assert.Fail("Wrong result: expected: " + expected + " calculated: " + calculated);
}
eur_sek = rateManager.lookup(SEK, EUR, new Date(5,Month.August,2004));
calculated = eur_sek.exchange(m5);
expected = new Money(m5.value*eur_usd2.rate*usd_chf2.rate/chf_sek2.rate, EUR);
if (!Utils.close(calculated, expected))
{
Assert.Fail("Wrong result: expected: " + expected + " calculated: " + calculated);
}
// four-rate chain
ExchangeRate eur_jpy = rateManager.lookup(EUR, JPY,new Date(4,Month.August,2004));
calculated = eur_jpy.exchange(m2);
expected = new Money(m2.value*eur_usd1.rate*usd_chf1.rate*jpy_sek1.rate/chf_sek1.rate, JPY);
if (!Utils.close(calculated, expected))
{
Assert.Fail("Wrong result: expected: " + expected + " calculated: " + calculated);
}
eur_jpy = rateManager.lookup(JPY, EUR, new Date(5,Month.August,2004));
calculated = eur_jpy.exchange(m6);
expected = new Money(m6.value*jpy_sek2.rate*eur_usd2.rate*usd_chf2.rate/chf_sek2.rate, EUR);
if (!Utils.close(calculated, expected))
{
Assert.Fail("Wrong result: expected: " + expected + " calculated: " + calculated);
}
// five-rate chain
ExchangeRate gbp_jpy = rateManager.lookup(GBP, JPY,new Date(4,Month.August,2004));
calculated = gbp_jpy.exchange(m3);
expected = new Money(m3.value*eur_gbp1.rate*eur_usd1.rate*usd_chf1.rate*jpy_sek1.rate/chf_sek1.rate, JPY);
if (!Utils.close(calculated, expected))
{
Assert.Fail("Wrong result: expected: " + expected + " calculated: " + calculated);
}
gbp_jpy = rateManager.lookup(JPY, GBP, new Date(5,Month.August,2004));
calculated = gbp_jpy.exchange(m6);
expected = new Money(m6.value*jpy_sek2.rate*eur_usd2.rate*usd_chf2.rate*eur_gbp2.rate/chf_sek2.rate, GBP);
if (!Utils.close(calculated, expected))
{
Assert.Fail("Wrong result: expected: " + expected + " calculated: " + calculated);
}
}