t.Errorf("unexpected error:%v", errs)
			}
		})
	}

	test = []struct {
		name   string
		newPod *api.Pod
		oldPod *api.Pod
	}{
		{
			name: "add ephemeral container to static pod and expect failure",
			oldPod: &api.Pod{
				ObjectMeta: metav1.ObjectMeta{

func (c *Cache) ForgetPod(logger klog.Logger, pod *v1.Pod) error {
	c.ForgetFunc(pod)
	return nil
}

// AddPod is a fake method for testing.
func (c *Cache) AddPod(logger klog.Logger, pod *v1.Pod) error { return nil }

// UpdatePod is a fake method for testing.
func (c *Cache) UpdatePod(logger klog.Logger, oldPod, newPod *v1.Pod) error { return nil }

// RemovePod is a fake method for testing.

		// where it is blocking deletion of a PVC not referenced by Y, otherwise
		// such PVC will never be deleted.
		if oldPod := c.parsePod(old); oldPod != nil && oldPod.UID != pod.UID {
			c.enqueuePVCs(logger, oldPod, true)
		}
	}
}

func (*Controller) parsePod(obj interface{}) *v1.Pod {
	if obj == nil {
		return nil
	}
	pod, ok := obj.(*v1.Pod)
	if !ok {

	"k8s.io/kubernetes/pkg/features"
)

func GetWarningsForPod(ctx context.Context, pod, oldPod *api.Pod) []string {
	if pod == nil {
		return nil
	}

	var (
		oldSpec *api.PodSpec
		oldMeta *metav1.ObjectMeta
	)
	if oldPod != nil {
		oldSpec = &oldPod.Spec
		oldMeta = &oldPod.ObjectMeta
	}
	return warningsForPodSpecAndMeta(nil, &pod.Spec, &pod.ObjectMeta, oldSpec, oldMeta)
}

			allErrs = append(allErrs, validateNodeSelectorMutation(specPath.Child("nodeSelector"), mungedPodSpec.NodeSelector, oldPod.Spec.NodeSelector)...)
			mungedPodSpec.NodeSelector = oldPod.Spec.NodeSelector // +k8s:verify-mutation:reason=clone
		}

		// Validate node affinity mutations.
		var oldNodeAffinity *core.NodeAffinity
		if oldPod.Spec.Affinity != nil {

	)
	if pod != nil {
		podSpec = &pod.Spec
		podStatus = &pod.Status
		podAnnotations = pod.Annotations
	}
	if oldPod != nil {
		oldPodSpec = &oldPod.Spec
		oldPodStatus = &oldPod.Status
		oldPodAnnotations = oldPod.Annotations
	}
	dropDisabledFields(podSpec, podAnnotations, oldPodSpec, oldPodAnnotations)
	dropDisabledPodStatusFields(podStatus, oldPodStatus, podSpec, oldPodSpec)
}

func shouldIgnoreNodeUpdate(oldNode, curNode v1.Node) bool {
	return apiequality.Semantic.DeepEqual(oldNode.Labels, curNode.Labels) &&
		apiequality.Semantic.DeepEqual(oldNode.Spec.Taints, curNode.Spec.Taints)
}

func (dsc *DaemonSetsController) updateNode(logger klog.Logger, old, cur interface{}) {
	oldNode := old.(*v1.Node)
	curNode := cur.(*v1.Node)

		}

		// make copies for comparison
		oldPVC = oldPVC.DeepCopy()
		newPVC = newPVC.DeepCopy()

		// zero out resourceVersion to avoid comparing differences,
		// since the new object could leave it empty to indicate an unconditional update
		oldPVC.ObjectMeta.ResourceVersion = ""
		newPVC.ObjectMeta.ResourceVersion = ""

		oldPVC.Status.Capacity = nil
		newPVC.Status.Capacity = nil

	ForgetPod(logger klog.Logger, pod *v1.Pod) error

	// AddPod either confirms a pod if it's assumed, or adds it back if it's expired.
	// If added back, the pod's information would be added again.
	AddPod(logger klog.Logger, pod *v1.Pod) error

	// UpdatePod removes oldPod's information and adds newPod's information.
	UpdatePod(logger klog.Logger, oldPod, newPod *v1.Pod) error

// and new job. old and cur must be *v1.Pod types.
func (jm *Controller) updatePod(logger klog.Logger, old, cur interface{}) {
	curPod := cur.(*v1.Pod)
	oldPod := old.(*v1.Pod)
	recordFinishedPodWithTrackingFinalizer(oldPod, curPod)
	if curPod.ResourceVersion == oldPod.ResourceVersion {
		// Periodic resync will send update events for all known pods.
		// Two different versions of the same pod will always have different RVs.
		return