}
	}()

	var (
		staticBindings    []*BindingInfo
		dynamicProvisions []*v1.PersistentVolumeClaim
	)
	defer func() {
		// Although we do not distinguish nil from empty in this function, for
		// easier testing, we normalize empty to nil.
		if len(staticBindings) == 0 {
			staticBindings = nil
		}
		if len(dynamicProvisions) == 0 {
			dynamicProvisions = nil
		}

	if !ok {
		return 0, nil
	}
	// group by storage class
	classResources := make(classResourceMap)
	for _, staticBinding := range podVolumes.StaticBindings {
		class := staticBinding.StorageClassName()
		storageResource := staticBinding.StorageResource()
		if _, ok := classResources[class]; !ok {
			classResources[class] = &StorageResource{
				Requested: 0,
				Capacity:  0,
			}

	var (
		bindings          []*BindingInfo
		provisionedClaims []*v1.PersistentVolumeClaim
	)
	if podVolumes != nil {
		bindings = podVolumes.StaticBindings
		provisionedClaims = podVolumes.DynamicProvisions
	}
	if aLen, eLen := len(bindings), len(expectedBindings); aLen != eLen {
		t.Errorf("expected %v bindings, got %v", eLen, aLen)