/**
   * Test for the case where publication lag=0, effective offset=0 (GBP conventions) and no cutoff
   * period. The arithmetic average coupons are used mainly in USD. This test is more for
   * completeness than a real case.
   */
  public void rateGbpNoCutOffSensitivity() {
    OvernightIndexRates mockRates = mock(OvernightIndexRates.class);
    when(mockRates.getIndex()).thenReturn(GBP_SONIA);
    SimpleRatesProvider simpleProv = new SimpleRatesProvider(mockRates);

    for (int i = 0; i < FIXING_DATES.length; i++) {
      when(mockRates.rate(FIXING_DATES[i])).thenReturn(FIXING_RATES[i]);
      LocalDate fixingStartDate = GBP_SONIA.calculateEffectiveFromFixing(FIXING_DATES[i]);
      LocalDate fixingEndDate = GBP_SONIA.calculateMaturityFromEffective(fixingStartDate);
      OvernightRateSensitivity sensitivity =
          OvernightRateSensitivity.of(
              GBP_SONIA, FIXING_DATES[i], fixingEndDate, GBP_SONIA.getCurrency(), 1d);
      when(mockRates.ratePointSensitivity(FIXING_DATES[i])).thenReturn(sensitivity);
    }
    OvernightAveragedRateObservation ro =
        OvernightAveragedRateObservation.of(GBP_SONIA, FIXING_START_DATE, FIXING_END_DATE, 0);
    ForwardOvernightAveragedRateObservationFn obsFn =
        ForwardOvernightAveragedRateObservationFn.DEFAULT;
    PointSensitivityBuilder sensitivityBuilderComputed =
        obsFn.rateSensitivity(ro, DUMMY_ACCRUAL_START_DATE, DUMMY_ACCRUAL_END_DATE, simpleProv);
    PointSensitivities sensitivityComputed = sensitivityBuilderComputed.build().normalized();
    Double[] sensitivityExpected = computedSensitivityFD(ro, GBP_SONIA);
    assertEquals(sensitivityComputed.getSensitivities().size(), sensitivityExpected.length);
    for (int i = 0; i < sensitivityExpected.length; ++i) {
      assertEquals(
          sensitivityComputed.getSensitivities().get(i).getSensitivity(),
          sensitivityExpected[i],
          EPS_FD);
    }
  }