region = items[i]
		case zoneIndex:
			zone = items[i]
		case subZoneIndex:
			subZone = items[i]
		}
	}
	return region, zone, subZone, len(items) - 1, nil
}

func validateServiceSettings(config *meshconfig.MeshConfig) (errs error) {
	for sIndex, s := range config.ServiceSettings {
		for _, h := range s.Hosts {
			if err := ValidateWildcardDomain(h); err != nil {

			m := meshconfig.MeshConfig{
				ServiceSettings: []*meshconfig.MeshConfig_ServiceSettings{
					{
						Hosts: c.hosts,
					},
				},
			}

			if got := validateServiceSettings(&m); (got == nil) != c.valid {
				t.Errorf("got(%v) != want(%v)\n", got, c.valid)
			}
		})
	}
}

func TestValidateMeshNetworks(t *testing.T) {
	testcases := []struct {