}, {
		name: "can use MinDomains with ScheduleAnyway, when MinDomains = nil",
		constraints: []core.TopologySpreadConstraint{{
			MaxSkew:           1,
			TopologyKey:       "k8s.io/zone",
			WhenUnsatisfiable: core.ScheduleAnyway,
			MinDomains:        nil,
		}},
		wantFieldErrors: field.ErrorList{},
	}, {
		name: "negative minDomains is invalid",

          },
          "minDomains": {