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package dns
// Tests that solve that an specific issue.
import "testing"
func TestTCPRtt(t *testing.T) {
m := new(Msg)
m.RecursionDesired = true
m.SetQuestion("example.org.", TypeA)
c := &Client{}
for _, proto := range []string{"udp", "tcp"} {
c.Net = proto
_, rtt, err := c.Exchange(m, "8.8.4.4:53")
if err != nil {
t.Fatal(err)
}
if rtt == 0 {
t.Fatalf("expecting non zero rtt %s, got zero", c.Net)
}
}
}
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