}
		q, err := ParseQuantity(item.expect)
		if err != nil {
			t.Errorf("%#v: unexpected error: %v", item.expect, err)
		}
		if len(q.s) == 0 || q.s != item.expect {
			t.Errorf("%#v: did not copy canonical string on parse: %s", item.expect, q.s)
		}
		if len(item.alternate) == 0 {
			continue
		}
		q, err = ParseQuantity(item.alternate)
		if err != nil {

	usage, err := DiskUsage(dir1)
	if err != nil {
		t.Fatalf("TestDiskUsage failed: %s", err.Error())
	}
	size, err := resource.ParseQuantity(fmt.Sprintf("%d", usage.Bytes))
	if err != nil {
		t.Fatalf("TestDiskUsage failed: %s", err.Error())
	}

	used, err := resource.ParseQuantity(fmt.Sprintf("%d", total))
	if err != nil {
		t.Fatalf("TestDiskUsage failed: %s", err.Error())
	}
	if size.Cmp(used) != 0 {

				spec.PersistentVolume.Spec.CSI.NodeExpandSecretRef = &api.SecretReference{
					Name:      tc.secret.Name,
					Namespace: tc.secret.Namespace,
				}
			}

			newSize, _ := resource.ParseQuantity("20Gi")

			resizeOptions := volume.NodeResizeOptions{
				VolumeSpec:      spec,
				NewSize:         newSize,
				DeviceMountPath: "/foo/bar",
				DeviceStagePath: "/foo/bar",

		}
	}
	// we encountered a non decimal in the Suffix loop, but the last character
	// was not a valid exponent
	err = ErrFormatWrong
	return
}

// ParseQuantity turns str into a Quantity, or returns an error.
func ParseQuantity(str string) (Quantity, error) {
	if len(str) == 0 {
		return Quantity{}, ErrFormatWrong
	}
	if str == "0" {
		return Quantity{Format: DecimalSI, s: str}, nil
	}

	if !IsHugePageResourceName(name) {
		return resource.Quantity{}, fmt.Errorf("resource name: %s is an invalid hugepage name", name)
	}
	pageSize := strings.TrimPrefix(string(name), v1.ResourceHugePagesPrefix)
	return resource.ParseQuantity(pageSize)
}

// HugePageUnitSizeFromByteSize returns hugepage size has the format.
// `size` must be guaranteed to divisible into the largest units that can be expressed.

			// e.g. pagesize=2M or pagesize=1024M for x86 CPUs
			trimmedOpt := strings.TrimPrefix(opt, prefix)
			if !strings.HasSuffix(trimmedOpt, "i") {
				trimmedOpt = trimmedOpt + "i"
			}
			pageSize, err := resource.ParseQuantity(trimmedOpt)
			if err != nil {
				return nil, fmt.Errorf("error getting page size from '%s' mount option: %v", opt, err)
			}
			return &pageSize, nil
		}
	}

		return types.MaybeNoSuchOverloadErr(arg)
	}

	_, err := resource.ParseQuantity(str)
	if err != nil {
		return types.Bool(false)
	}

	return types.Bool(true)
}

func stringToQuantity(arg ref.Val) ref.Val {
	str, ok := arg.Value().(string)
	if !ok {
		return types.MaybeNoSuchOverloadErr(arg)
	}

	q, err := resource.ParseQuantity(str)
	if err != nil {
		return types.WrapErr(err)
	}

			}
			postIndex := iNdEx + intStringLen
			if postIndex > l {
				return io.ErrUnexpectedEOF
			}
			s := string(data[iNdEx:postIndex])

			// BEGIN CUSTOM DECODE
			p, err := ParseQuantity(s)
			if err != nil {
				return err
			}
			*m = p
			// END CUSTOM DECODE

			iNdEx = postIndex
		default:
			iNdEx = preIndex
			skippy, err := skipGenerated(data[iNdEx:])

			if resourceName != v1.ResourceMemory && !corev1helper.IsHugePageResourceName(resourceName) {
				return fmt.Errorf("memory type conversion error, unknown type: %q", resourceName)
			}

			q, err := resource.ParseQuantity(limit[1])
			if err != nil {
				return fmt.Errorf("failed to parse the quantatity, expected quantatity, got %s", limit[1])
			}

			memoryReservation.Limits[v1.ResourceName(limit[0])] = q
		}

	pod := newPod(name, priority, []v1.Container{
		newContainer(name, requests, limits),
	}, volumes)
	podStats := newPodDiskStats(pod, parseQuantity(rootFsUsed), parseQuantity(logsUsed), parseQuantity(perLocalVolumeUsed))
	return pod, podStats
}