func TestHybridPool(t *testing.T) {
	t.Parallel()
	if !(runtime.GOOS == "windows" || runtime.GOOS == "darwin" || runtime.GOOS == "ios") {
		t.Skipf("platform verifier not available on %s", runtime.GOOS)
	}
	if !testenv.HasExternalNetwork() {
		t.Skip()
	}
	if runtime.GOOS == "windows" {
		// NOTE(#51599): on the Windows builders we sometimes see that the state
		// of the root pool is not fully initialized, causing an expected

	case *UDPAddr:
		ip = addr.IP
		wildcard = addr.isWildcard()
	case *IPAddr:
		ip = addr.IP
		wildcard = addr.isWildcard()
	}

	// Test wildcard IP addresses.
	if wildcard && !testenv.HasExternalNetwork() {
		return false
	}

	// Test functionality of IPv4 communication using AF_INET and
	// IPv6 communication using AF_INET6 sockets.
	if !supportsIPv4() && ip.To4() != nil {
		return false
	}

func HasSrc() bool {
	switch runtime.GOOS {
	case "ios":
		return false
	}
	return true
}

// HasExternalNetwork reports whether the current system can use
// external (non-localhost) networks.
func HasExternalNetwork() bool {
	return !testing.Short() && runtime.GOOS != "js" && runtime.GOOS != "wasip1"
}

// MustHaveExternalNetwork checks that the current system can use

}

var scriptNetEnabled sync.Map // testing.TB → already enabled

func hasNet(s *script.State, host string) (bool, error) {
	if !testenv.HasExternalNetwork() {
		return false, nil
	}

	// TODO(bcmills): Add a flag or environment variable to allow skipping tests
	// for specific hosts and/or skipping all net tests except for specific hosts.