public virtual void test_mapSensitivity()
        {
            IssuerCurveZeroRateSensitivity @base    = IssuerCurveZeroRateSensitivity.of(CURRENCY, YEARFRAC, GROUP, VALUE);
            IssuerCurveZeroRateSensitivity expected = IssuerCurveZeroRateSensitivity.of(CURRENCY, YEARFRAC, GROUP, 1d / VALUE);
            IssuerCurveZeroRateSensitivity test     = @base.mapSensitivity(s => 1d / s);

            assertEquals(test, expected);
        }