public void TestClassABroadcastAddress()
{
Mock <UnicastIPAddressInformation> unicastInfoMock = new Mock <UnicastIPAddressInformation>();
IPAddress ipAddr = IPAddress.Parse("10.1.2.5");
IPAddress ipMask = IPAddress.Parse("255.0.0.0");
// UnicastIPInfo
unicastInfoMock.SetupGet(n => n.Address).Returns(ipAddr);
unicastInfoMock.SetupGet(n => n.IPv4Mask).Returns(ipMask);
UnicastIPAddressInformation unicastInfo = unicastInfoMock.Object;
IPAddress result = Networks.GetIPv4BroadcastAddress(unicastInfo);
Assert.AreEqual(IPAddress.Parse("10.255.255.255"), result);
}