Region:  "region1",
						Zone:    "zone1",
						SubZone: "subzone1",
					},
				},
				{
					Locality: &core.Locality{
						Region:  "region1",
						Zone:    "zone1",
						SubZone: "subzone1",
					},
				},
				{
					Locality: &core.Locality{
						Region:  "region1",
						Zone:    "zone1",
						SubZone: "subzone2",
					},
				},

				Protocol: protocol.HTTP,
			},
		},
	}
	m.AddService(svc)
	localities := []string{
		"region1/zone1/subzone1",
		"region1/zone1/subzone2",
		"region1/zone2/subzone1",
		"region2/zone1/subzone1",
		"region2/zone1/subzone2",
		"region2/zone2/subzone1",
		"region2/zone2/subzone2",
	}
	for i, locality := range localities {
		_, _ = i, locality
		m.AddInstance(&model.ServiceInstance{

	}{
		{
			name: "node updates label which matches topologyKey",
			pod: st.MakePod().Name("p").SpreadConstraint(1, "zone", v1.DoNotSchedule, fooSelector, nil, nil, nil, nil).
				Obj(),
			oldNode:      st.MakeNode().Name("node-a").Label("zone", "zone1").Obj(),
			newNode:      st.MakeNode().Name("node-a").Label("zone", "zone2").Obj(),
			expectedHint: framework.Queue,
		},
		{

				Weight:         1,
				Network:        "nw0",
				Locality:       "rgn1/zone1/subzone1",
				ServiceAccount: "sa-a",
			},
		},
	}
	proxy := fakeProxy("10.0.0.1", group, "nw1", "sa")
	proxy.Labels[model.LocalityLabel] = "rgn2/zone2/subzone2"
	proxy.XdsNode = fakeNode("rgn2", "zone2", "subzone2")
	proxy.Locality = proxy.XdsNode.Locality

	wantLabels := map[string]string{

	differingServiceAccount.Endpoint.ServiceAccount = "service-account-two"
	differingLocality := exampleInstance.DeepCopy()
	differingLocality.Endpoint.Locality = Locality{
		ClusterID: "cluster-id-two",
		Label:     "region2/zone2/subzone2",
	}
	differingLbWeight := exampleInstance.DeepCopy()
	differingLbWeight.Endpoint.LbWeight = 0

	cases := []struct {
		comparer *WorkloadInstance
		comparee *WorkloadInstance
		shouldEq bool

			},
		},
		{
			name:     "locality with region and zone",
			locality: "region/zone",
			want: &core.Locality{
				Region: "region",
				Zone:   "zone",
			},
		},
		{
			name:     "locality with region zone and subzone",
			locality: "region/zone/subzone",
			want: &core.Locality{
				Region:  "region",
				Zone:    "zone",
				SubZone: "subzone",
			},
		},
		{

		t.Errorf("Unexpected node tree (-want, +got):\n%s", diff)
	}
	if len(nt.zones) != len(expectedTree) {
		t.Errorf("Number of zones in nodeTree.zones is not expected. Expected: %v, Got: %v", len(expectedTree), len(nt.zones))
	}
	for _, z := range nt.zones {
		if _, ok := expectedTree[z]; !ok {
			t.Errorf("zone %v is not expected to exist in nodeTree.zones", z)
		}
	}
}

func TestNodeTree_AddNode(t *testing.T) {

	// First the zone information.
	//	utcoff[4] isdst[1] nameindex[1]
	nzone := n[NZone]
	if nzone == 0 {
		// Reject tzdata files with no zones. There's nothing useful in them.
		// This also avoids a panic later when we add and then use a fake transition (golang.org/issue/29437).
		return nil, errBadData
	}
	zones := make([]zone, nzone)
	for i := range zones {
		var ok bool
		var n uint32

			inputTopology: map[string]string{
				"com.example.csi/zone": "zoneA",
			},
			expectedNode: &v1.Node{
				ObjectMeta: metav1.ObjectMeta{
					Name:        "node1",
					Annotations: map[string]string{annotationKeyNodeID: marshall(nodeIDMap{"com.example.csi.driver1": "com.example.csi/csi-node1"})},
					Labels:      labelMap{"com.example.csi/zone": "zoneA"},
				},
			},
			expectedCSINode: &storage.CSINode{

// WithZone returns an IP that's the same as ip but with the provided
// zone. If zone is empty, the zone is removed. If ip is an IPv4
// address, WithZone is a no-op and returns ip unchanged.
func (ip Addr) WithZone(zone string) Addr {
	if !ip.Is6() {
		return ip
	}
	if zone == "" {
		ip.z = z6noz
		return ip
	}
	ip.z = unique.Make(addrDetail{IsV6: true, ZoneV6: zone})
	return ip
}