}

func (do descendingOrdinal) Swap(i, j int) {
	do[i], do[j] = do[j], do[i]
}

func (do descendingOrdinal) Less(i, j int) bool {
	return getOrdinal(do[i]) > getOrdinal(do[j])
}

// getStatefulSetMaxUnavailable calculates the real maxUnavailable number according to the replica count
// and maxUnavailable from rollingUpdateStrategy. The number defaults to 1 if the maxUnavailable field is

		// more than 1. Ignore the passed in value and Use maxUnavailable as 1 to enforce
		// expected behavior when feature gate is not enabled.
		var err error
		maxUnavailable, err = getStatefulSetMaxUnavailable(set.Spec.UpdateStrategy.RollingUpdate.MaxUnavailable, replicaCount)
		if err != nil {
			return &status, err
		}
	}

	}

	for i, tc := range testCases {
		t.Run(fmt.Sprintf("case %d", i), func(t *testing.T) {
			gotMaxUnavailable, err := getStatefulSetMaxUnavailable(tc.maxUnavailable, tc.replicaCount)
			if err != nil {
				t.Fatal(err)
			}
			if gotMaxUnavailable != tc.expectedMaxUnavailable {