[System] Fix HttpListenerRequestTest.HttpRequestIsLocal intermittently failing

[mono.git] / mcs / class / System / Test / System.Net / HttpListenerRequestTest.cs

diff --git a/mcs/class/System/Test/System.Net/HttpListenerRequestTest.cs b/mcs/class/System/Test/System.Net/HttpListenerRequestTest.cs
index c088e4e14e2ddeb71509bbda356c4d7761d12c66..6ff1b33260ed2ab7e82883d4f600a12e89136888 100644 (file)
--- a/mcs/class/System/Test/System.Net/HttpListenerRequestTest.cs
+++ b/mcs/class/System/Test/System.Net/HttpListenerRequestTest.cs
@@ -30,6 +30,7 @@
 using System;
 using System.IO;
 using System.Net;
+using System.Net.NetworkInformation;
 using System.Net.Sockets;
 using System.Text;
 using System.Collections.Generic;
@@ -194,15 +195,22 @@ namespace MonoTests.System.Net
                [Test]
                public void HttpRequestIsLocal ()
                {
-                       var ips = new List<IPAddress> (Dns.GetHostAddresses (Dns.GetHostName ()));
+                       var port = NetworkHelpers.FindFreePort ();
+                       var ips = new List<IPAddress> ();
                        ips.Add (IPAddress.Loopback);
+                       foreach (var adapter in NetworkInterface.GetAllNetworkInterfaces ()) {
+                               foreach (var ip in adapter.GetIPProperties ().UnicastAddresses) {
+                                       ips.Add (ip.Address);
+                               }
+                       }
+
                        foreach (var ip in ips) {
                                if (ip.AddressFamily != AddressFamily.InterNetwork)
                                        continue;
 
                                HttpListener listener = HttpListener2Test.CreateAndStartListener (
-                                       "http://" + ip + ":9000/HttpRequestIsLocal/");
-                               NetworkStream ns = HttpListener2Test.CreateNS (ip, 9000);
+                                       "http://" + ip + ":" + port + "/HttpRequestIsLocal/");
+                               NetworkStream ns = HttpListener2Test.CreateNS (ip, port);
                                HttpListener2Test.Send (ns, "GET /HttpRequestIsLocal/ HTTP/1.0\r\n\r\n");
                                HttpListenerContext ctx = listener.GetContext ();
                                HttpListenerRequest request = ctx.Request;