public void Discover_ServiceInstance_WithAnswersContainingAdditionRecords() { var service = new ServiceProfile("y", "_sdtest-2._udp", 1024); var done = new ManualResetEvent(false); var mdns = new MulticastService(); var sd = new ServiceDiscovery(mdns) { AnswersContainsAdditionalRecords = true }; Message discovered = null; mdns.NetworkInterfaceDiscovered += (s, e) => { sd.QueryServiceInstances(service.ServiceName); }; sd.ServiceInstanceDiscovered += (s, e) => { if (e.ServiceInstanceName == service.FullyQualifiedName) { Assert.IsNotNull(e.Message); discovered = e.Message; done.Set(); } }; try { sd.Advertise(service); mdns.Start(); Assert.IsTrue(done.WaitOne(TimeSpan.FromSeconds(1)), "instance not found"); Assert.AreEqual(0, discovered.AdditionalRecords.Count); Assert.IsTrue(discovered.Answers.Count > 1); } finally { sd.Dispose(); mdns.Stop(); } }