Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

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

@@ -0,0 +1,77 @@
+//
+// IPInterfacePropertiesTest.cs - NUnit Test Cases for System.Net.NetworkInformation.IPInterfaceProperties
+//
+// Authors:
+//   Ben Woods (woodsb02@gmail.com)
+//
+
+using NUnit.Framework;
+using System;
+using System.Net;
+using System.Net.NetworkInformation;
+
+namespace MonoTests.System.Net.NetworkInformation
+{
+
+	[TestFixture]
+	public class IPInterfacePropertiesTest
+	{
+		[Test]
+		public void AtLeastOneUnicastAddress ()
+		{
+			int numUnicastAddresses = 0;
+			NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces ();
+			foreach (NetworkInterface adapter in adapters)
+			{
+				IPInterfaceProperties adapterProperties = adapter.GetIPProperties ();
+				UnicastIPAddressInformationCollection unicastAddresses = adapterProperties.UnicastAddresses;
+				numUnicastAddresses += unicastAddresses.Count;
+			}
+			Assert.IsTrue (numUnicastAddresses > 0);
+		}
+	
+		[Test]
+		public void AtLeastOneGatewayAddress ()
+		{
+			int numGatewayAddresses = 0;
+			NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces ();
+			foreach (NetworkInterface adapter in adapters)
+			{
+				IPInterfaceProperties adapterProperties = adapter.GetIPProperties ();
+				GatewayIPAddressInformationCollection gatewayAddresses = adapterProperties.GatewayAddresses;
+				numGatewayAddresses += gatewayAddresses.Count;
+			}
+			Assert.IsTrue (numGatewayAddresses > 0);
+		}
+	
+		[Test]
+		public void DnsEnabled ()
+		{
+			NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces ();
+			foreach (NetworkInterface adapter in adapters)
+			{
+				IPInterfaceProperties adapterProperties = adapter.GetIPProperties ();
+				Assert.IsTrue (adapterProperties.IsDnsEnabled);
+			}
+		}
+	
+		[Test]
+		public void AtLeastOneDnsAddress ()
+		{
+			int numDnsAddresses = 0;
+			NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces ();
+			foreach (NetworkInterface adapter in adapters)
+			{
+				IPInterfaceProperties adapterProperties = adapter.GetIPProperties ();
+				IPAddressCollection dnsAddresses = adapterProperties.DnsAddresses;
+				numDnsAddresses += dnsAddresses.Count;
+			}
+			// reading /etc/resolve.conf does not work on iOS devices (but works on simulator)
+			// ref: https://bugzilla.xamarin.com/show_bug.cgi?id=27707
+#if !MONOTOUCH
+			Assert.IsTrue (numDnsAddresses > 0);
+#endif
+		}
+	
+	}
+}