}
	if deployment.Spec.Replicas != nil && deployment.Status.UpdatedReplicas < *deployment.Spec.Replicas {
		return fmt.Errorf("waiting for deployment %q rollout to finish: %d out of %d new replicas have been updated",
			deployment.Name, deployment.Status.UpdatedReplicas, *deployment.Spec.Replicas)
	}
	if deployment.Status.Replicas > deployment.Status.UpdatedReplicas {

		},
		Status: appsv1.DeploymentStatus{
			Conditions: []appsv1.DeploymentCondition{
				{
					Type: appsv1.DeploymentProgressing,
				},
				{
					Type: appsv1.DeploymentAvailable,
				},
			},
			UpdatedReplicas: 2,
		},
	}

	deletingOldRollingDeployment = appsv1.Deployment{
		Spec: appsv1.DeploymentSpec{
			Replicas: &[]int32{2}[0],
		},
		Status: appsv1.DeploymentStatus{

	"k8s.io/klog/v2/ktesting"
	"k8s.io/kubernetes/pkg/controller/deployment/util"
)

func newDeploymentStatus(replicas, updatedReplicas, availableReplicas int32) apps.DeploymentStatus {
	return apps.DeploymentStatus{
		Replicas:          replicas,
		UpdatedReplicas:   updatedReplicas,
		AvailableReplicas: availableReplicas,
	}
}

// assumes the retuned deployment is always observed - not needed to be tested here.

		if sts.Spec.UpdateStrategy.Type == appsv1.OnDeleteStatefulSetStrategyType &&
			sts.Status.UpdatedReplicas != sts.Status.Replicas {
			scope.Infof("StatefulSet is not ready: %s/%s. %d out of %d expected pods have been scheduled",
				sts.Namespace, sts.Name, sts.Status.UpdatedReplicas, sts.Status.Replicas)
			notReady = append(notReady, "StatefulSet/"+sts.Namespace+"/"+sts.Name)
		}

		currentReplicas: 2,
		updatedReplicas: 1,
		expectedErr:     true,
	}, {
		name:            "invalid readyReplicas",
		replicas:        3,
		readyReplicas:   -1,
		currentReplicas: 2,
		updatedReplicas: 1,
		expectedErr:     true,
	}, {
		name:            "invalid currentReplicas",
		replicas:        3,
		readyReplicas:   3,
		currentReplicas: -1,
		updatedReplicas: 1,
		expectedErr:     true,

	CurrentReplicas int32 `json:"currentReplicas,omitempty" protobuf:"varint,4,opt,name=currentReplicas"`

	// updatedReplicas is the number of Pods created by the StatefulSet controller from the StatefulSet version
	// indicated by updateRevision.
	UpdatedReplicas int32 `json:"updatedReplicas,omitempty" protobuf:"varint,5,opt,name=updatedReplicas"`

	// currentRevision, if not empty, indicates the version of the StatefulSet used to generate Pods in the

		allErrs = append(allErrs, field.Invalid(fieldPath.Child("currentReplicas"), status.CurrentReplicas, msg))
	}
	if status.UpdatedReplicas > status.Replicas {
		allErrs = append(allErrs, field.Invalid(fieldPath.Child("updatedReplicas"), status.UpdatedReplicas, msg))
	}
	if status.AvailableReplicas > status.Replicas {

	out.ObservedGeneration = in.ObservedGeneration
	out.Replicas = in.Replicas
	out.UpdatedReplicas = in.UpdatedReplicas
	out.ReadyReplicas = in.ReadyReplicas
	out.AvailableReplicas = in.AvailableReplicas
	out.UnavailableReplicas = in.UnavailableReplicas

				CurrentReplicas:    int32(3),
				UpdatedReplicas:    int32(3),
				CurrentRevision:    "12345",
				UpdateRevision:     "23456",
				ObservedGeneration: observedGeneration,
			},
			stsStatus2: &appsv1.StatefulSetStatus{
				Replicas:           int32(3),
				ReadyReplicas:      int32(1),
				CurrentReplicas:    int32(3),
				UpdatedReplicas:    int32(3),
				CurrentRevision:    "12345",

  // +optional
  optional int32 replicas = 2;

  // updatedReplicas is the total number of non-terminated pods targeted by this deployment that have the desired template spec.
  // +optional
  optional int32 updatedReplicas = 3;

  // readyReplicas is the number of pods targeted by this Deployment controller with a Ready Condition.
  // +optional