ClusterIPs: []string{"10.0.0.10"},
					IPFamilies: []v1.IPFamily{v1.IPv4Protocol},
				},
			},
		},

		{
			name:           "service single stack ipv4. want ipv6",
			requestFamily:  v1.IPv6Protocol,
			expectedResult: "",
			service: v1.Service{
				Spec: v1.ServiceSpec{
					ClusterIPs: []string{"10.0.0.10"},
					IPFamilies: []v1.IPFamily{v1.IPv4Protocol},
				},
			},
		},

apiVersion: v1
kind: Service
metadata:
  name: details
  labels:
    app: details
    service: details
spec:
  ipFamilyPolicy: RequireDualStack
  ipFamilies: [IPv6, IPv4]
  ports:
  - port: 9080
    name: http
  selector:
    app: details
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: bookinfo-details
  labels:
    account: details
---

    "healthCheckNodePort": 12,
    "publishNotReadyAddresses": true,
    "sessionAffinityConfig": {
      "clientIP": {
        "timeoutSeconds": 1
      }
    },
    "ipFamilies": [
      "ipFamiliesValue"
    ],
    "ipFamilyPolicy": "ipFamilyPolicyValue",
    "allocateLoadBalancerNodePorts": true,
    "loadBalancerClass": "loadBalancerClassValue",

apiVersion: v1
kind: Service
metadata:
  name: helloworld
  labels:
    app: helloworld
    service: helloworld
spec:
  ipFamilyPolicy: RequireDualStack
  ipFamilies:
  - IPv6
  - IPv4
  ports:
  - port: 5000
    name: http
  selector:
    app: helloworld
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: helloworld-v1
  labels:
    app: helloworld
    version: v1
spec:
  replicas: 1

    # Setup how istiod Service is configured. See https://kubernetes.io/docs/concepts/services-networking/dual-stack/#services
    # This is intended only for use with external istiod.
    ipFamilyPolicy: ""
    ipFamilies: []

  base:
    # Used for helm2 to add the CRDs to templates.
    enableCRDTemplates: false

    # Validation webhook configuration url
    # For example: https://$remotePilotAddress:15017/validate

apiVersion: v1
kind: Service
metadata:
  name: ratings
  labels:
    app: ratings
    service: ratings
spec:
  ipFamilyPolicy: RequireDualStack
  ipFamilies: [IPv6, IPv4]
  ports:
  - port: 9080
    name: http
  selector:
    app: ratings
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: ratings-v1
  labels:
    app: ratings

    "healthCheckNodePort": 12,
    "publishNotReadyAddresses": true,
    "sessionAffinityConfig": {
      "clientIP": {
        "timeoutSeconds": 1
      }
    },
    "ipFamilies": [
      "ipFamiliesValue"
    ],
    "ipFamilyPolicy": "ipFamilyPolicyValue",
    "allocateLoadBalancerNodePorts": true,
    "loadBalancerClass": "loadBalancerClassValue",

				t.Errorf("expected clusterIPs %q, got %q", tc.expect.Spec.ClusterIP, result.Spec.ClusterIP)
			}
			if !reflect.DeepEqual(result.Spec.IPFamilies, tc.expect.Spec.IPFamilies) {
				t.Errorf("expected ipFamilies %q, got %q", tc.expect.Spec.IPFamilies, result.Spec.IPFamilies)
			}
			if !reflect.DeepEqual(result.Spec.IPFamilyPolicy, tc.expect.Spec.IPFamilyPolicy) {

			intrinsics[intrinsicKey{a, pkg, fn}] = b
		}
	}
	// addF does the same as add but operates on architecture families.
	addF := func(pkg, fn string, b intrinsicBuilder, archFamilies ...sys.ArchFamily) {
		m := 0
		for _, f := range archFamilies {
			if f >= 32 {
				panic("too many architecture families")
			}
			m |= 1 << uint(f)
		}
		for _, a := range all {
			if m>>uint(a.Family)&1 != 0 {

apiVersion: v1
kind: Service
metadata:
  name: details
  labels:
    app: details
    service: details
spec:
  ipFamilyPolicy: RequireDualStack
  ipFamilies: [IPv6, IPv4]
  ports:
  - port: 9080
    name: http
  selector:
    app: details
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: details-v1
  labels:
    app: details