"syscall"
	"testing"
	"time"
)

var prohibitionaryDialArgTests = []struct {
	network string
	address string
}{
	{"tcp6", "127.0.0.1"},
	{"tcp6", "::ffff:127.0.0.1"},
}

func TestProhibitionaryDialArg(t *testing.T) {
	testenv.MustHaveExternalNetwork(t)

	switch runtime.GOOS {
	case "plan9":
		t.Skipf("not supported on %s", runtime.GOOS)
	}
	if !supportsIPv4map() {