[System] Check SocketOptionName.ReuseAddress support.

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

diff --git a/mcs/class/System/Test/System.Net.Sockets/SocketTest.cs b/mcs/class/System/Test/System.Net.Sockets/SocketTest.cs
index a53a5d5624ab010ece48667b8bfe72719d856110..14a4490fa4bd4b71116477d8b57676193c167576 100755 (executable)
--- a/mcs/class/System/Test/System.Net.Sockets/SocketTest.cs
+++ b/mcs/class/System/Test/System.Net.Sockets/SocketTest.cs
@@ -3500,27 +3500,6 @@ namespace MonoTests.System.Net.Sockets
                        s.Close ();
                }
 
-#if MONOTOUCH
-               // when the linker is enabled then reflection won't work and would throw an NRE
-               // this is also always true for iOS - so we do not need to poke internals
-               static bool SupportsPortReuse ()
-               {
-                       return true;
-               }
-#else
-               static bool? supportsPortReuse;
-               static bool SupportsPortReuse ()
-               {
-                       if (supportsPortReuse.HasValue)
-                               return supportsPortReuse.Value;
-
-                       supportsPortReuse = (bool) typeof (Socket).GetMethod ("SupportsPortReuse",
-                                       BindingFlags.Static | BindingFlags.NonPublic)
-                                       .Invoke (null, new object [] {});
-                       return supportsPortReuse.Value;
-               }
-#endif
-
                // Test case for bug #31557
                [Test]
                public void TcpDoubleBind ()
@@ -3529,22 +3508,28 @@ namespace MonoTests.System.Net.Sockets
                                                SocketType.Stream, ProtocolType.Tcp))
                        using (Socket ss = new Socket (AddressFamily.InterNetwork,
                                                SocketType.Stream, ProtocolType.Tcp)) {
-                               s.SetSocketOption (SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
+                               var supportsReuseAddress = true;
+                               try {
+                                       s.SetSocketOption (SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
+                               } catch (SocketException e) {
+                                       // Exception is thrown when ReuseAddress is not supported
+                                       supportsReuseAddress = false;
+                               }
+
                                var ep = new IPEndPoint (IPAddress.Any, NetworkHelpers.FindFreePort ());
                                s.Bind (ep);
                                s.Listen(1);
 
-                               ss.SetSocketOption (SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
+                               if (supportsReuseAddress)
+                                       ss.SetSocketOption (SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
 
-                               Exception ex = null;
                                try {
                                        ss.Bind (new IPEndPoint (IPAddress.Any, ep.Port));
                                        ss.Listen(1);
+                                       if (!supportsReuseAddress)
+                                               Assert.Fail ("Reusing address is not supported, exception was expected on second bind.");
                                } catch (SocketException e) {
-                                       ex = e;
                                }
-
-                               Assert.AreEqual (SupportsPortReuse (), ex == null);
                        }
                }