Merge pull request #1872 from saper/channeldisp_fix

[WIP] Fix tests breaking due to network ports

diff --git a/mcs/class/System.ServiceModel/Test/System.ServiceModel/ServiceHostBaseTest.cs b/mcs/class/System.ServiceModel/Test/System.ServiceModel/ServiceHostBaseTest.cs
index e77173068f00a6f7495415687997a62ddb4807b6..0fef7a6e903996907ebf989eb7c7b5fa69cb1141 100644 (file)
--- a/mcs/class/System.ServiceModel/Test/System.ServiceModel/ServiceHostBaseTest.cs
+++ b/mcs/class/System.ServiceModel/Test/System.ServiceModel/ServiceHostBaseTest.cs
@@ -161,8 +161,8 @@ namespace MonoTests.System.ServiceModel
 
                [Test]
                public void ChannelDispatchers_NoDebug () {
-                       var ep = NetworkHelpers.LocalEphemeralEndPoint().ToString();
-                       ServiceHost h = new ServiceHost (typeof (AllActions), new Uri ("http://" + ep));
+                       var ep = "http://" + NetworkHelpers.LocalEphemeralEndPoint().ToString();
+                       ServiceHost h = new ServiceHost (typeof (AllActions), new Uri (ep));
                        h.AddServiceEndpoint (typeof (AllActions).FullName, new BasicHttpBinding (), "address");
 
                        ServiceDebugBehavior b = h.Description.Behaviors.Find<ServiceDebugBehavior> ();
@@ -176,7 +176,7 @@ namespace MonoTests.System.ServiceModel
                        Assert.IsTrue (channelDispatcher.Endpoints.Count == 1, "#2");
                        EndpointAddressMessageFilter filter = channelDispatcher.Endpoints [0].AddressFilter as EndpointAddressMessageFilter;
                        Assert.IsNotNull (filter, "#3");
-                       Assert.IsTrue (filter.Address.Equals (new EndpointAddress ("http://" + ep + "/address")), "#4");
+                       Assert.IsTrue (filter.Address.Equals (new EndpointAddress (ep + "/address")), "#4");
                        Assert.IsFalse (filter.IncludeHostNameInComparison, "#5");
                        Assert.IsTrue (channelDispatcher.Endpoints [0].ContractFilter is MatchAllMessageFilter, "#6");
                        } finally {
@@ -186,8 +186,8 @@ namespace MonoTests.System.ServiceModel
 
                [Test]
                public void ChannelDispatchers_WithDebug () {
-                       var ep = NetworkHelpers.LocalEphemeralEndPoint().ToString();
-                       ServiceHost h = new ServiceHost (typeof (AllActions), new Uri ("http://" + ep));
+                       var ep = "http://" + NetworkHelpers.LocalEphemeralEndPoint().ToString();
+                       ServiceHost h = new ServiceHost (typeof (AllActions), new Uri (ep));
                        h.AddServiceEndpoint (typeof (AllActions).FullName, new BasicHttpBinding (), "address");
                        ServiceMetadataBehavior b = new ServiceMetadataBehavior ();
                        b.HttpGetEnabled = true;
@@ -201,7 +201,7 @@ namespace MonoTests.System.ServiceModel
                        Assert.IsTrue (channelDispatcher.Endpoints.Count == 1, "#3");
                        EndpointAddressMessageFilter filter = channelDispatcher.Endpoints [0].AddressFilter as EndpointAddressMessageFilter;
                        Assert.IsNotNull (filter, "#4");
-                       Assert.IsTrue (filter.Address.Equals (new EndpointAddress ("http://" + ep)), "#5");
+                       Assert.IsTrue (filter.Address.Equals (new EndpointAddress (ep)), "#5");
                        Assert.IsFalse (filter.IncludeHostNameInComparison, "#6");
                        Assert.IsTrue (channelDispatcher.Endpoints [0].ContractFilter is MatchAllMessageFilter, "#7");
                        h.Close ();

diff --git a/mcs/class/System/Test/System.Net/HttpWebRequestTest.cs b/mcs/class/System/Test/System.Net/HttpWebRequestTest.cs
index 326ff298024580ff7205d0cafe3cd61ce9165310..a0a649376af9d09aab8c24be09f7f422d69c1a08 100644 (file)
--- a/mcs/class/System/Test/System.Net/HttpWebRequestTest.cs
+++ b/mcs/class/System/Test/System.Net/HttpWebRequestTest.cs
@@ -29,6 +29,8 @@ using Mono.Security.Authenticode;
 using Mono.Security.Protocol.Tls;
 #endif
 
+using MonoTests.Helpers;
+
 namespace MonoTests.System.Net
 {
        [TestFixture]
@@ -93,7 +95,7 @@ namespace MonoTests.System.Net
                [Test] // bug #471782
                public void CloseRequestStreamAfterReadingResponse ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9152);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (EchoRequestHandler))) {
@@ -241,7 +243,7 @@ namespace MonoTests.System.Net
                        methods.Add ("whatever", "whatever");
                        methods.Add ("PUT", "PUT");
 
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9153);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        foreach (DictionaryEntry de in methods) {
@@ -271,7 +273,7 @@ namespace MonoTests.System.Net
                [Test]
                public void BeginGetRequestStream_Body_NotAllowed ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9154);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (EchoRequestHandler))) {
@@ -310,7 +312,7 @@ namespace MonoTests.System.Net
                [Test] // bug #465613
                public void BeginGetRequestStream_NoBuffering ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 11001);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (EchoRequestHandler))) {
@@ -366,7 +368,7 @@ namespace MonoTests.System.Net
                [Category ("NotWorking")] // #5842
                public void BeginGetResponse ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 8001);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (EchoRequestHandler))) {
@@ -463,7 +465,7 @@ namespace MonoTests.System.Net
                [Test] // bug #511851
                public void BeginGetRequestStream_Request_Aborted ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 8002);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (EchoRequestHandler))) {
@@ -490,7 +492,7 @@ namespace MonoTests.System.Net
                [Test] // bug #511851
                public void BeginGetResponse_Request_Aborted ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9155);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (EchoRequestHandler))) {
@@ -517,7 +519,7 @@ namespace MonoTests.System.Net
                [Test]
                public void EndGetRequestStream_AsyncResult_Null ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9156);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (EchoRequestHandler))) {
@@ -545,7 +547,7 @@ namespace MonoTests.System.Net
                [Category ("NotWorking")] // do not get consistent result on MS
                public void EndGetRequestStream_Request_Aborted ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 8003);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (EchoRequestHandler))) {
@@ -575,7 +577,7 @@ namespace MonoTests.System.Net
                [Category ("NotWorking")]
                public void EndGetResponse_AsyncResult_Invalid ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9157);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (EchoRequestHandler))) {
@@ -601,7 +603,7 @@ namespace MonoTests.System.Net
                [Test]
                public void EndGetResponse_AsyncResult_Null ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9158);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (EchoRequestHandler))) {
@@ -634,7 +636,7 @@ namespace MonoTests.System.Net
                [Test] // bug #429200
                public void GetRequestStream ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 10000);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (EchoRequestHandler))) {
@@ -658,7 +660,7 @@ namespace MonoTests.System.Net
                [Test] // bug #511851
                public void GetRequestStream_Request_Aborted ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 10001);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (EchoRequestHandler))) {
@@ -686,7 +688,7 @@ namespace MonoTests.System.Net
                [Category ("NotWorking")] // #5842
                public void GetRequestStream_Close_NotAllBytesWritten ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 10002);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (EchoRequestHandler))) {
@@ -754,7 +756,7 @@ namespace MonoTests.System.Net
                [Category ("NotWorking")] // #5842
                public void GetRequestStream_Write_Overflow ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 8010);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        // buffered, non-chunked
@@ -965,7 +967,7 @@ namespace MonoTests.System.Net
                [Test] // bug #511851
                public void GetResponse_Request_Aborted ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 10100);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (EchoRequestHandler))) {
@@ -1320,7 +1322,7 @@ namespace MonoTests.System.Net
                [Test] // bug #513087
                public void NonStandardVerb ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 8123);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/moved/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (VerbEchoHandler))) {
@@ -1355,7 +1357,7 @@ namespace MonoTests.System.Net
                [Category ("NotWorking")] // Assert #2 fails
                public void NotModifiedSince ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9123);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (NotModifiedSinceHandler))) {
@@ -2301,7 +2303,7 @@ namespace MonoTests.System.Net
 
                void DoRequest (Action<HttpWebRequest, EventWaitHandle> request)
                {
-                       int port = 30158;
+                       int port = NetworkHelpers.FindFreePort ();
 
                        ManualResetEvent completed = new ManualResetEvent (false);
                        Uri address = new Uri (string.Format ("http://localhost:{0}", port));
@@ -2315,7 +2317,7 @@ namespace MonoTests.System.Net
 
                void DoRequest (Action<HttpWebRequest, EventWaitHandle> request, Action<HttpListenerContext> processor)
                {
-                       int port = 30158;
+                       int port = NetworkHelpers.FindFreePort ();
 
                        ManualResetEvent [] completed = new ManualResetEvent [2];
                        completed [0] = new ManualResetEvent (false);
@@ -2697,7 +2699,7 @@ namespace MonoTests.System.Net
                [Test]
                public void CookieContainerTest ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 11002);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString ();
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (CookieRequestHandler))) {
@@ -2785,7 +2787,7 @@ namespace MonoTests.System.Net
                [Test]
                public void BeginRead ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9124);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (HttpWebRequestTest.EchoRequestHandler))) {
@@ -2814,7 +2816,7 @@ namespace MonoTests.System.Net
                [Test]
                public void BeginWrite_Request_Aborted ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9125);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (HttpWebRequestTest.EchoRequestHandler))) {
@@ -2843,7 +2845,7 @@ namespace MonoTests.System.Net
                [Test]
                public void CanRead ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9126);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (HttpWebRequestTest.EchoRequestHandler))) {
@@ -2867,7 +2869,7 @@ namespace MonoTests.System.Net
                [Test]
                public void CanSeek ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9127);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (HttpWebRequestTest.EchoRequestHandler))) {
@@ -2891,7 +2893,7 @@ namespace MonoTests.System.Net
                [Test] // bug #324182
                public void CanTimeout ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9128);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (HttpWebRequestTest.EchoRequestHandler))) {
@@ -2915,7 +2917,7 @@ namespace MonoTests.System.Net
                [Test]
                public void CanWrite ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9129);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (HttpWebRequestTest.EchoRequestHandler))) {
@@ -2939,7 +2941,7 @@ namespace MonoTests.System.Net
                [Test]
                public void Read ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9130);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (HttpWebRequestTest.EchoRequestHandler))) {
@@ -2968,7 +2970,7 @@ namespace MonoTests.System.Net
                [Test]
                public void ReadByte ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9140);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (HttpWebRequestTest.EchoRequestHandler))) {
@@ -2996,7 +2998,7 @@ namespace MonoTests.System.Net
                [Test]
                public void ReadTimeout ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9141);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (HttpWebRequestTest.EchoRequestHandler))) {
@@ -3020,7 +3022,7 @@ namespace MonoTests.System.Net
                [Test]
                public void Seek ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9142);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (HttpWebRequestTest.EchoRequestHandler))) {
@@ -3048,7 +3050,7 @@ namespace MonoTests.System.Net
                [Test]
                public void Write_Buffer_Null ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9143);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (HttpWebRequestTest.EchoRequestHandler))) {
@@ -3076,7 +3078,7 @@ namespace MonoTests.System.Net
                [Test]
                public void Write_Count_Negative ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9144);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (HttpWebRequestTest.EchoRequestHandler))) {
@@ -3106,7 +3108,7 @@ namespace MonoTests.System.Net
                [Test]
                public void Write_Count_Overflow ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9145);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (HttpWebRequestTest.EchoRequestHandler))) {
@@ -3136,7 +3138,7 @@ namespace MonoTests.System.Net
                [Test]
                public void Write_Offset_Negative ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9146);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (HttpWebRequestTest.EchoRequestHandler))) {
@@ -3166,7 +3168,7 @@ namespace MonoTests.System.Net
                [Test]
                public void Write_Offset_Overflow ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9147);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (HttpWebRequestTest.EchoRequestHandler))) {
@@ -3196,7 +3198,7 @@ namespace MonoTests.System.Net
                [Test]
                public void Write_Request_Aborted ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9148);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (HttpWebRequestTest.EchoRequestHandler))) {
@@ -3226,7 +3228,7 @@ namespace MonoTests.System.Net
                [Category ("NotWorking")]
                public void Write_Stream_Closed ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9149);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (HttpWebRequestTest.EchoRequestHandler))) {
@@ -3255,7 +3257,7 @@ namespace MonoTests.System.Net
                [Test]
                public void WriteByte_Request_Aborted ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9150);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (HttpWebRequestTest.EchoRequestHandler))) {
@@ -3284,7 +3286,7 @@ namespace MonoTests.System.Net
                [Test]
                public void WriteTimeout ()
                {
-                       IPEndPoint ep = new IPEndPoint (IPAddress.Loopback, 9151);
+                       IPEndPoint ep = NetworkHelpers.LocalEphemeralEndPoint ();
                        string url = "http://" + ep.ToString () + "/test/";
 
                        using (SocketResponder responder = new SocketResponder (ep, new SocketRequestHandler (HttpWebRequestTest.EchoRequestHandler))) {