mcs/class/System/Test/System.Net.NetworkInformation/IPInterfacePropertiesTest.cs

   1 //
   2 // IPInterfacePropertiesTest.cs - NUnit Test Cases for System.Net.NetworkInformation.IPInterfaceProperties
   3 //
   4 // Authors:
   5 //   Ben Woods (woodsb02@gmail.com)
   6 //
   7
   8 using NUnit.Framework;
   9 using System;
  10 using System.Net;
  11 using System.Net.NetworkInformation;
  12
  13 namespace MonoTests.System.Net.NetworkInformation
  14 {
  15
  16         [TestFixture]
  17         public class IPInterfacePropertiesTest
  18         {
  19                 [Test]
  20                 public void AtLeastOneUnicastAddress ()
  21                 {
  22                         int numUnicastAddresses = 0;
  23                         NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces ();
  24                         foreach (NetworkInterface adapter in adapters)
  25                         {
  26                                 IPInterfaceProperties adapterProperties = adapter.GetIPProperties ();
  27                                 UnicastIPAddressInformationCollection unicastAddresses = adapterProperties.UnicastAddresses;
  28                                 numUnicastAddresses += unicastAddresses.Count;
  29                         }
  30                         Assert.IsTrue (numUnicastAddresses > 0);
  31                 }
  32
  33                 [Test]
  34                 public void AtLeastOneGatewayAddress ()
  35                 {
  36                         int numGatewayAddresses = 0;
  37                         NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces ();
  38                         foreach (NetworkInterface adapter in adapters)
  39                         {
  40                                 IPInterfaceProperties adapterProperties = adapter.GetIPProperties ();
  41                                 GatewayIPAddressInformationCollection gatewayAddresses = adapterProperties.GatewayAddresses;
  42                                 numGatewayAddresses += gatewayAddresses.Count;
  43                         }
  44                         Assert.IsTrue (numGatewayAddresses > 0);
  45                 }
  46
  47                 [Test]
  48                 public void DnsEnabled ()
  49                 {
  50                         NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces ();
  51                         foreach (NetworkInterface adapter in adapters)
  52                         {
  53                                 IPInterfaceProperties adapterProperties = adapter.GetIPProperties ();
  54                                 Assert.IsTrue (adapterProperties.IsDnsEnabled);
  55                         }
  56                 }
  57
  58                 [Test]
  59                 public void AtLeastOneDnsAddress ()
  60                 {
  61                         int numDnsAddresses = 0;
  62                         NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces ();
  63                         foreach (NetworkInterface adapter in adapters)
  64                         {
  65                                 IPInterfaceProperties adapterProperties = adapter.GetIPProperties ();
  66                                 IPAddressCollection dnsAddresses = adapterProperties.DnsAddresses;
  67                                 numDnsAddresses += dnsAddresses.Count;
  68                         }
  69                         // reading /etc/resolve.conf does not work on iOS devices (but works on simulator)
  70                         // ref: https://bugzilla.xamarin.com/show_bug.cgi?id=27707
  71 #if !MONOTOUCH
  72                         Assert.IsTrue (numDnsAddresses > 0);
  73 #endif
  74                 }
  75
  76         }
  77 }