// create a cidrSet for each cidr we operate on
	// cidrSet are mapped to clusterCIDR by index
	cidrSets := make([]*cidrset.CidrSet, len(allocatorParams.ClusterCIDRs))
	for idx, cidr := range allocatorParams.ClusterCIDRs {
		cidrSet, err := cidrset.NewCIDRSet(cidr, allocatorParams.NodeCIDRMaskSizes[idx])
		if err != nil {
			return nil, err
		}
		cidrSets[idx] = cidrSet
	}

	ra := &rangeAllocator{

}

func TestCidrSetMetricsDual(t *testing.T) {
	// create IPv4 cidrSet
	cidrIPv4 := "10.0.0.0/16"
	_, clusterCIDRv4, _ := netutils.ParseCIDRSloppy(cidrIPv4)
	clearMetrics(map[string]string{"clusterCIDR": cidrIPv4})

	a, err := NewCIDRSet(clusterCIDRv4, 24)
	if err != nil {
		t.Fatalf("unexpected error creating CidrSet: %v", err)
	}

	clusterMaskSize, _ := clusterCIDRv4.Mask.Size()

	kubeAPI    kubeAPI
	mode       NodeSyncMode
	nodeName   string
	opChan     chan syncOp
	set        *cidrset.CidrSet
}

// New returns a new syncer for a given node.
func New(c controller, cloudAlias cloudAlias, kubeAPI kubeAPI, mode NodeSyncMode, nodeName string, set *cidrset.CidrSet) *NodeSync {
	return &NodeSync{
		c:          c,
		cloudAlias: cloudAlias,
		kubeAPI:    kubeAPI,
		mode:       mode,

	if err != nil {
		t.Fatalf("unexpected error creating CidrSet: %v", err)
	}
	a.EnableMetrics()
	// create IPv6 allocator
	cidrIPv6 := "2001:db8::/112"
	_, clusterCIDRv6, _ := netutils.ParseCIDRSloppy(cidrIPv6)
	b, err := NewInMemory(clusterCIDRv6)
	b.EnableMetrics()
	if err != nil {
		t.Fatalf("unexpected error creating CidrSet: %v", err)
	}

	// Check initial state
	em := testMetrics{

	// create IPv6 allocator
	cidrIPv6 := "2001:db8::/112"
	_, clusterCIDRv6, _ := netutils.ParseCIDRSloppy(cidrIPv6)
	b, err := newTestAllocator(clusterCIDRv6)
	if err != nil {
		t.Fatalf("unexpected error creating CidrSet: %v", err)
	}
	b.EnableMetrics()

	// Check initial state
	em := testMetrics{
		free:      0,
		used:      0,
		allocated: 0,
		errors:    0,
	}
	expectMetrics(t, cidrIPv4, em)