//-------------------------------------------------------------------------
// proper end-to-end FD tests are in pricer test
public virtual void test_parameterSensitivity()
{
LegalEntitySurvivalProbabilities test = LegalEntitySurvivalProbabilities.of(LEGAL_ENTITY, DFS);
CreditCurveZeroRateSensitivity point = CreditCurveZeroRateSensitivity.of(LEGAL_ENTITY, ZeroRateSensitivity.of(USD, 1d, 1d));
assertEquals(test.parameterSensitivity(point).size(), 1);
}
//-------------------------------------------------------------------------
public virtual void test_unitParameterSensitivity()
{
LegalEntitySurvivalProbabilities test = LegalEntitySurvivalProbabilities.of(LEGAL_ENTITY, DFS);
CreditCurveZeroRateSensitivity sens = test.zeroRatePointSensitivity(DATE_AFTER);
CurrencyParameterSensitivities expected = DFS.parameterSensitivity(DFS.zeroRatePointSensitivity(DATE_AFTER));
assertEquals(test.parameterSensitivity(sens), expected);
}
public CurrencyParameterSensitivity singleCreditCurveParameterSensitivity(PointSensitivities pointSensitivities, StandardId legalEntityId, Currency currency)
{
CurrencyParameterSensitivities sens = CurrencyParameterSensitivities.empty();
foreach (PointSensitivity point in pointSensitivities.Sensitivities)
{
if (point is CreditCurveZeroRateSensitivity)
{
CreditCurveZeroRateSensitivity pt = (CreditCurveZeroRateSensitivity)point;
if (pt.LegalEntityId.Equals(legalEntityId) && pt.Currency.Equals(currency))
{
LegalEntitySurvivalProbabilities factors = survivalProbabilities(pt.LegalEntityId, pt.CurveCurrency);
sens = sens.combinedWith(factors.parameterSensitivity(pt));
}
}
}
ArgChecker.isTrue(sens.size() == 1, "sensitivity must be unique");
return(sens.Sensitivities.get(0));
}
//-------------------------------------------------------------------------
public CurrencyParameterSensitivities parameterSensitivity(PointSensitivities pointSensitivities)
{
CurrencyParameterSensitivities sens = CurrencyParameterSensitivities.empty();
foreach (PointSensitivity point in pointSensitivities.Sensitivities)
{
if (point is CreditCurveZeroRateSensitivity)
{
CreditCurveZeroRateSensitivity pt = (CreditCurveZeroRateSensitivity)point;
LegalEntitySurvivalProbabilities factors = survivalProbabilities(pt.LegalEntityId, pt.CurveCurrency);
sens = sens.combinedWith(factors.parameterSensitivity(pt));
}
else if (point is ZeroRateSensitivity)
{
ZeroRateSensitivity pt = (ZeroRateSensitivity)point;
CreditDiscountFactors factors = discountFactors(pt.CurveCurrency);
sens = sens.combinedWith(factors.parameterSensitivity(pt));
}
}
return(sens);
}