testCases := []struct {
		name   string
		given  []v1.EndpointSubset
		expect []v1.EndpointSubset
	}{
		{
			name:   "empty everything",
			given:  []v1.EndpointSubset{{Addresses: []v1.EndpointAddress{}, Ports: []v1.EndpointPort{}}},
			expect: []v1.EndpointSubset{},
		}, {
			name:   "empty addresses",
			given:  []v1.EndpointSubset{{Addresses: []v1.EndpointAddress{}, Ports: []v1.EndpointPort{{Port: 111}}}},

	tests := []struct {
		name     string
		subsets1 []v1.EndpointSubset
		subsets2 []v1.EndpointSubset
		expected bool
	}{
		{
			name:     "Subsets removed",
			subsets1: []v1.EndpointSubset{*es1, *es2},
			subsets2: []v1.EndpointSubset{*es1},
			expected: false,
		},
		{
			name:     "Ready Pod IP changed",
			subsets1: []v1.EndpointSubset{*es1, *es2},

	}{{
		testName:               "Endpoints with no subsets",
		subsets:                []corev1.EndpointSubset{},
		existingEndpointSlices: []*discovery.EndpointSlice{},
		expectedNumSlices:      0,
		expectedClientActions:  0,
		expectedMetrics:        &expectedMetrics{},
	}, {
		testName: "Endpoints with no addresses",
		subsets: []corev1.EndpointSubset{{
			Ports: []corev1.EndpointPort{{
				Name:     "http",
				Port:     80,

		expectedNumActions int
		expectedNumSlices  int
	}{{
		testName: "Endpoints with no addresses",
		service:  &v1.Service{},
		endpoints: &v1.Endpoints{
			Subsets: []v1.EndpointSubset{{
				Ports: []v1.EndpointPort{{Port: 80}},
			}},
		},
		endpointSlices:     []*discovery.EndpointSlice{},
		expectedNumActions: 0,
		expectedNumSlices:  0,
	}, {

	eventRecorder record.EventRecorder

	// maxEndpointsPerSubset references the maximum number of endpoints that
	// should be added to an EndpointSlice for an EndpointSubset. This allows
	// for a simple 1:1 mapping between EndpointSubset and EndpointSlice.
	maxEndpointsPerSubset int32

	// metricsCache tracks values for total numbers of desired endpoints as well
	// as the efficiency of EndpointSlice endpoints distribution

			}
			ports = append(ports, v1.EndpointPort{Name: p.Name, Port: p.TargetPort.IntVal})
		}

		return []*v1.Endpoints{{
			ObjectMeta: metav1.ObjectMeta{Namespace: svc.Namespace, Name: svc.Name},
			Subsets: []v1.EndpointSubset{{
				Addresses: []v1.EndpointAddress{{Hostname: "dummy-host", IP: "127.0.0.1"}},
				Ports:     ports,
			}},
		}}
	}

	type expectation struct {
		url   string
		error bool
	}

// addEndpointSubset add the endpoints addresses and ports to the EndpointSubset.
// The addresses are added to the corresponding field, ready or not ready, depending
// on the pod status and the Service PublishNotReadyAddresses field value.
// The pod passed to this function must have already been filtered through ShouldPodBeInEndpoints.
func addEndpointSubset(logger klog.Logger, subsets []v1.EndpointSubset, pod *v1.Pod, epa v1.EndpointAddress,

	// EndpointSlices. This may change in the future.
	skipMirrorChanged := setSkipMirrorTrue(e)

	if errors.IsNotFound(err) {
		// Simply create non-existing endpoints for the service.
		e.Subsets = []corev1.EndpointSubset{{
			Addresses: []corev1.EndpointAddress{{IP: ip.String()}},
			Ports:     endpointPorts,
		}}
		_, err = r.epAdapter.Create(metav1.NamespaceDefault, e)
		return err
	}

		"pod":             &v1.Pod{ObjectMeta: om("pod")},
		"emptyPodList":    &v1.PodList{},
		"nonEmptyPodList": &v1.PodList{Items: []v1.Pod{{}}},
		"endpoints": &v1.Endpoints{
			Subsets: []v1.EndpointSubset{{
				Addresses: []v1.EndpointAddress{{IP: "127.0.0.1"}, {IP: "localhost"}},
				Ports:     []v1.EndpointPort{{Port: 8080}},
			}}},
	}

	// Test PrintObj() success.
	for pName, p := range genericPrinters {

		ObjectMeta:  metav1.ObjectMeta{Name: name, Namespace: namespace},
		AddressType: discovery.AddressTypeIPv4,
	}
	epSlice.Labels = map[string]string{discovery.LabelServiceName: name}
	subset := corev1.EndpointSubset{}

	for i, port := range ports {
		endpointPort := corev1.EndpointPort{
			Name:     fmt.Sprintf("port-%d", i),
			Port:     int32(port),
			Protocol: corev1.ProtocolTCP,
		}