username:   "super",
			resource:   api.SchemeGroupVersion.WithResource("pods"),
			oldObj:     &api.Pod{ObjectMeta: metav1.ObjectMeta{OwnerReferences: []metav1.OwnerReference{{Name: "first"}}}},
			newObj:     &api.Pod{ObjectMeta: metav1.ObjectMeta{OwnerReferences: []metav1.OwnerReference{{Name: "first"}}}},
			checkError: expectNoError,
		},
		{
			name:       "super-user, update, objectref change",
			username:   "super",

				obj := newPod()
				obj.OwnerReferences = append(obj.OwnerReferences, metav1.OwnerReference{Name: "foo"})
				return obj
			},
			old: func() runtime.Object {
				return newPod()
			},
			expected: true,
		},
		{
			name: "ownerRef and finalizer",
			obj: func() runtime.Object {
				obj := newPod()
				obj.OwnerReferences = append(obj.OwnerReferences, metav1.OwnerReference{Name: "foo"})

		}
		refs[k] = false
	}
	return false
}

func TestOwnerRefsChanged(t *testing.T) {
	toRefs := func(strs []string) []metav1.OwnerReference {
		refs := []metav1.OwnerReference{}
		for _, s := range strs {
			pieces := strings.Split(s, "/")
			refs = append(refs, metav1.OwnerReference{
				APIVersion: pieces[0],
				Kind:       pieces[1],
				Name:       pieces[2],
			})
		}
		return refs
	}

		return &node{
			identity: objectReference{
				OwnerReference: metav1.OwnerReference{
					UID: types.UID("alpha"),
				},
			},
			owners: []metav1.OwnerReference{
				{UID: types.UID("bravo")},
				{UID: types.UID("charlie")},
			},
		}
	}
	bravoNode = func() *node {
		return &node{
			identity: objectReference{
				OwnerReference: metav1.OwnerReference{
					UID: types.UID("bravo"),
				},
			},

			UID: "uid1",
		},
	}
	obj2 := &metaObj{
		ObjectMeta: ObjectMeta{
			UID: "uid2",
			OwnerReferences: []OwnerReference{
				*NewControllerRef(obj1, gvk),
			},
		},
	}
	obj3 := &metaObj{
		ObjectMeta: ObjectMeta{
			UID: "uid3",
			OwnerReferences: []OwnerReference{
				*NewControllerRef(obj2, gvk),
			},
		},
	}
	if !IsControlledBy(obj2, obj1) || !IsControlledBy(obj3, obj2) {

func GetControllerOfNoCopy(controllee Object) *OwnerReference {
	refs := controllee.GetOwnerReferences()
	for i := range refs {
		if refs[i].Controller != nil && *refs[i].Controller {
			return &refs[i]
		}
	}
	return nil
}

// NewControllerRef creates an OwnerReference pointing to the given owner.
func NewControllerRef(owner Object, gvk schema.GroupVersionKind) *OwnerReference {
	return &OwnerReference{

// ownerReferenceCoordinates returns an owner reference containing only the coordinate fields
// from the input reference (uid, name, kind, apiVersion)
func ownerReferenceCoordinates(ref metav1.OwnerReference) metav1.OwnerReference {
	return metav1.OwnerReference{
		UID:        ref.UID,
		Name:       ref.Name,
		Kind:       ref.Kind,
		APIVersion: ref.APIVersion,
	}
}

	}
	return nil
}

func validateOwnerReference(ownerReference metav1.OwnerReference, fldPath *field.Path) field.ErrorList {
	allErrs := field.ErrorList{}
	gvk := schema.FromAPIVersionAndKind(ownerReference.APIVersion, ownerReference.Kind)
	// gvk.Group is empty for the legacy group.
	if len(gvk.Version) == 0 {
		allErrs = append(allErrs, field.Invalid(fldPath.Child("apiVersion"), ownerReference.APIVersion, "version must not be empty"))
	}

// only keeps the blocking refs
func blockingOwnerRefs(refs []metav1.OwnerReference) []metav1.OwnerReference {
	var ret []metav1.OwnerReference
	for _, ref := range refs {
		if ref.BlockOwnerDeletion != nil && *ref.BlockOwnerDeletion {
			ret = append(ret, ref)
		}
	}
	return ret
}

func indexByUID(refs []metav1.OwnerReference) map[types.UID]metav1.OwnerReference {
	ret := make(map[types.UID]metav1.OwnerReference)

			Name:            "pod",
			Namespace:       "ns",
			OwnerReferences: []metav1.OwnerReference{},
		},
	})
	if got := written.Load(); got != "" {
		t.Fatalf("unexpectedly enqueued %v", got)
	}

	handler(&corev1.Pod{
		ObjectMeta: metav1.ObjectMeta{
			Name:      "pod",
			Namespace: "ns",
			OwnerReferences: []metav1.OwnerReference{{
				APIVersion: gvk.Deployment.GroupVersion(),