public void RandomArpTest() { Random random = new Random(); for (int i = 0; i != 1000; ++i) { MacAddress ethernetSource = random.NextMacAddress(); EthernetLayer ethernetLayer = new EthernetLayer { Source = ethernetSource, }; ArpLayer arpLayer = random.NextArpLayer(); Packet packet = PacketBuilder.Build(DateTime.Now, ethernetLayer, arpLayer); Assert.IsTrue(packet.IsValid, "IsValid"); // Ethernet Assert.AreEqual(packet.Length - EthernetDatagram.HeaderLengthValue, packet.Ethernet.PayloadLength, "PayloadLength"); Assert.AreEqual(ethernetSource, packet.Ethernet.Source, "Ethernet Source"); Assert.AreEqual(EthernetDatagram.BroadcastAddress, packet.Ethernet.Destination, "Ethernet Destination"); Assert.AreEqual(EthernetType.Arp, packet.Ethernet.EtherType, "Ethernet EtherType"); // Arp Assert.AreEqual(ArpDatagram.HeaderBaseLength + 2 * arpLayer.SenderHardwareAddress.Count + 2 * arpLayer.SenderProtocolAddress.Count, packet.Ethernet.Arp.Length, "Arp length"); Assert.AreEqual(ArpHardwareType.Ethernet, packet.Ethernet.Arp.HardwareType, "Arp hardware type"); Assert.AreEqual(arpLayer, packet.Ethernet.Arp.ExtractLayer(), "ARP Layer"); Assert.AreNotEqual(arpLayer, random.NextArpLayer(), "ARP Layer"); Assert.AreEqual(arpLayer.GetHashCode(), packet.Ethernet.Arp.ExtractLayer().GetHashCode(), "ARP Layer"); ArpLayer differentArpLayer = random.NextArpLayer(); Assert.AreNotEqual(arpLayer.GetHashCode(), differentArpLayer.GetHashCode(), "ARP Layer"); } }