public virtual void test_rateIgnoringFixings_onValuation_fixing()
        {
            DiscountOvernightIndexRates test = DiscountOvernightIndexRates.of(GBP_SONIA, DFCURVE, SERIES);
            LocalDate startDate     = GBP_SONIA_VAL.EffectiveDate;
            LocalDate endDate       = GBP_SONIA_VAL.MaturityDate;
            double    accrualFactor = GBP_SONIA_VAL.YearFraction;
            double    expected      = (DFCURVE.discountFactor(startDate) / DFCURVE.discountFactor(endDate) - 1) / accrualFactor;

            assertEquals(test.rateIgnoringFixings(GBP_SONIA_VAL), expected, 1e-8);
        }