ObjectMeta:  standardMeta,
				AddressType: discovery.AddressType("IP"),
			},
			newEndpointSlice: &discovery.EndpointSlice{
				ObjectMeta:  standardMeta,
				AddressType: discovery.AddressType("IP"),
			},
		},
		"valid and identical slices with different address types": {
			oldEndpointSlice: &discovery.EndpointSlice{
				ObjectMeta:  standardMeta,
				AddressType: discovery.AddressType("other"),
			},

}

func autoConvert_v1beta1_EndpointSlice_To_discovery_EndpointSlice(in *v1beta1.EndpointSlice, out *discovery.EndpointSlice, s conversion.Scope) error {
	out.ObjectMeta = in.ObjectMeta
	out.AddressType = discovery.AddressType(in.AddressType)
	if in.Endpoints != nil {
		in, out := &in.Endpoints, &out.Endpoints
		*out = make([]discovery.Endpoint, len(*in))
		for i := range *in {

	go sharedInformers.Start(stopCh)
	go config.Run(stopCh)

	endpoints1 := &discoveryv1.EndpointSlice{
		ObjectMeta:  metav1.ObjectMeta{Namespace: "testnamespace", Name: "foo"},
		AddressType: discoveryv1.AddressTypeIPv4,
		Endpoints: []discoveryv1.Endpoint{{
			Addresses: []string{"1.1.1.1"},
		}, {
			Addresses: []string{"2.2.2.2"},
		}},

				NodePort: int32(svcNodePort),
			}}
		}),
	)
	populateEndpointSlices(proxier,
		makeTestEndpointSlice(svcPortName.Namespace, svcPortName.Name, 1, func(eps *discovery.EndpointSlice) {
			eps.AddressType = discovery.AddressTypeIPv4
			eps.Endpoints = []discovery.Endpoint{{
				Addresses: []string{epIpAddressRemote},
			}}
			eps.Ports = []discovery.EndpointPort{{
				Name:     ptr.To(svcPortName.Port),

	tests := []struct {
		name        string
		addressType discovery.AddressType
		wantWarning bool
	}{
		{
			name:        "AddressType = FQDN",
			addressType: discovery.AddressTypeFQDN,
			wantWarning: true,
		},
		{
			name:        "AddressType = IPV4",
			addressType: discovery.AddressTypeIPv4,
			wantWarning: false,
		},
		{
			name:        "AddressType = IPV6",

}

func autoConvert_v1_EndpointSlice_To_discovery_EndpointSlice(in *v1.EndpointSlice, out *discovery.EndpointSlice, s conversion.Scope) error {
	out.ObjectMeta = in.ObjectMeta
	out.AddressType = discovery.AddressType(in.AddressType)
	out.Endpoints = *(*[]discovery.Endpoint)(unsafe.Pointer(&in.Endpoints))
	out.Ports = *(*[]discovery.EndpointPort)(unsafe.Pointer(&in.Ports))
	return nil
}

func (r *reconciler) reconcileByPortMapping(
	endpoints *corev1.Endpoints,
	existingSlices []*discovery.EndpointSlice,
	desiredSet endpointsliceutil.EndpointSet,
	endpointPorts []discovery.EndpointPort,
	addressType discovery.AddressType,
) (slicesByAction, totalsByAction) {
	slices := slicesByAction{}
	totals := totalsByAction{}

	// If no endpoints are desired, mark existing slices for deletion and
	// return.

		expect := buildExpect(t)
		s := xds.NewFakeDiscoveryServer(t, xds.FakeOptions{
			KubernetesObjects: []runtime.Object{mkPod("pod", "sa", "127.0.0.1", "not-node")},
		})
		ads := s.ConnectDeltaADS().WithType(v3.AddressType).WithMetadata(model.NodeMetadata{NodeName: "node"})
		ads.Request(&discovery.DeltaDiscoveryRequest{
			ResourceNamesSubscribe:   []string{"*"},
			ResourceNamesUnsubscribe: []string{"*"},
		})
		ads.ExpectEmptyResponse()

	_, epSlice4IP := generateEndpointsAndSlice("foo", "testing", []int{80}, []string{"10.1.2.7", "10.1.2.8"})
	// "IP" is a deprecated address type, ensuring that it is handled properly.
	epSlice4IP.AddressType = discovery.AddressType("IP")
	_, epSlice4IPv4 := generateEndpointsAndSlice("foo", "testing", []int{80}, []string{"10.1.2.7", "10.1.2.8"})

	testCases := map[string]struct {
		expectedError  error

func (ect *EndpointsChangeTracker) EndpointSliceUpdate(endpointSlice *discovery.EndpointSlice, removeSlice bool) bool {
	if !supportedEndpointSliceAddressTypes.Has(endpointSlice.AddressType) {
		klog.V(4).InfoS("EndpointSlice address type not supported by kube-proxy", "addressType", endpointSlice.AddressType)
		return false
	}

	// This should never happen
	if endpointSlice == nil {
		klog.ErrorS(nil, "Nil endpointSlice passed to EndpointSliceUpdate")