name       string
		tree       *routingNode
		host, path string
		want       string
	}{
		{
			"post",
			buildTree("POST /"), "", "/foo",
			"POST",
		},
		{
			"get",
			buildTree("GET /"), "", "/foo",
			"GET,HEAD",
		},
		{
			"host",
			hostTree, "", "/foo",
			"",
		},
		{
			"host",
			hostTree, "", "/foo/bar",
			"POST",
		},
		{

		zone := strings.Index(host[:i], "%25")
		if zone >= 0 {
			host1, err := unescape(host[:zone], encodeHost)
			if err != nil {
				return "", err
			}
			host2, err := unescape(host[zone:i], encodeZone)
			if err != nil {
				return "", err
			}
			host3, err := unescape(host[i:], encodeHost)
			if err != nil {
				return "", err
			}
			return host1 + host2 + host3, nil
		}

	port := "80"
	if req.TLS != nil {
		port = "443"
	}
	if matches := trailingPort.FindStringSubmatch(req.Host); len(matches) != 0 {
		port = matches[1]
	}

	env := []string{
		"SERVER_SOFTWARE=go",
		"SERVER_PROTOCOL=HTTP/1.1",
		"HTTP_HOST=" + req.Host,
		"GATEWAY_INTERFACE=CGI/1.1",
		"REQUEST_METHOD=" + req.Method,
		"QUERY_STRING=" + req.URL.RawQuery,

			namespacedName: types.NamespacedName{Name: "svc1", Namespace: "ns1"},
			hostname:       "host1",
			endpointSlices: []*discovery.EndpointSlice{
				generateEndpointSliceWithOffset("svc1", "ns1", 1, 1, 2, 999, 999, []string{"host1", "host2"}, []*int32{ptr.To[int32](80)}),
				generateEndpointSliceWithOffset("svc1", "ns1", 2, 1, 2, 999, 999, []string{"host1", "host2"}, []*int32{ptr.To[int32](8080)}),
			},

func isHostIP(ipAddress string) bool {
	host, _, err := net.SplitHostPort(ipAddress)
	if err != nil {
		host = ipAddress
	}
	// Strip off IPv6 zone information.
	if i := strings.Index(host, "%"); i > -1 {
		host = host[:i]
	}
	return net.ParseIP(host) != nil
}

// extractHostPort - extracts host/port from many address formats

  creationTimestamp: null
  name: egress-0-istio-autogenerated-k8s-gateway
  namespace: default
spec:
  gateways:
  - mesh
  hosts:
  - google.com
  http:
  - name: default.egress.0
    route:
    - destination:
        host: google.com
        port:
          number: 80
---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  annotations:

  name: consumer-override-0-istio-autogenerated-k8s-gateway
  namespace: default
spec:
  gateways:
  - mesh
  hosts:
  - httpbin-apple.apple.svc.domain.suffix
  http:
  - match:
    - port: 80
    name: default.consumer-override.0
    route:
    - destination:
        host: httpbin-apple.apple.svc.domain.suffix
        port:
          number: 80
---
apiVersion: networking.istio.io/v1alpha3

		},
	)
}

func TestGatewayConflicts(t *testing.T) {
	tcpServer := `port:
  number: 80
  name: tcp
  protocol: TCP
hosts:
- "foo.bar"`
	httpServer := `port:
  number: 80
  name: http
  protocol: HTTP
hosts:
- "foo.bar"`
	tlsServer := `hosts:
  - ./*
port:
  name: https-ingress
  number: 443
  protocol: HTTPS
tls:
  credentialName: sds-credential
  mode: SIMPLE`

  namespace: default
spec:
  gateways:
  - istio-system/gateway-istio-autogenerated-k8s-gateway-tcp
  hosts:
  - '*'
  tcp:
  - route:
    - destination:
        host: httpbin.default.svc.domain.suffix
        port:
          number: 9090
      weight: 1
    - destination:
        host: httpbin-alt.default.svc.domain.suffix
        port:
          number: 9090
      weight: 2

	if cMatch.PortNumber != 0 && int(cMatch.PortNumber) != port {
		return false
	}
	return true
}

func hostContains(hosts []host.Name, service host.Name) bool {
	for _, h := range hosts {
		if h == service {
			return true
		}
	}
	return false