public virtual void test_getCurves_withGroup()
        {
            ImmutableRatesProvider test  = ImmutableRatesProvider.builder(VAL_DATE).discountCurve(GBP, DISCOUNT_CURVE_GBP).discountCurve(USD, DISCOUNT_CURVE_USD).build();
            CurveGroupName         group = CurveGroupName.of("GRP");

            assertEquals(test.getCurves(group).Count, 2);
            assertEquals(test.getCurves(group)[CurveId.of(group, DISCOUNT_CURVE_GBP.Name)], DISCOUNT_CURVE_GBP);
            assertEquals(test.getCurves(group)[CurveId.of(group, DISCOUNT_CURVE_USD.Name)], DISCOUNT_CURVE_USD);
        }