From 610dcd974d1fb96f81af782ef99808f294be8f22 Mon Sep 17 00:00:00 2001
From: David Kocher <dkocher@iterate.ch>
Date: Wed, 6 May 2015 07:59:17 +0000
Subject: [PATCH] Add test.

Former-commit-id: 5fa05b063b7a37c7c14c93ee2d35895b156d1d33
---
 .../core/ProxySocketFactoryTest.java          | 31 ++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/test/ch/cyberduck/core/ProxySocketFactoryTest.java b/test/ch/cyberduck/core/ProxySocketFactoryTest.java
index 5f716ee537b..dfef83b9738 100644
--- a/test/ch/cyberduck/core/ProxySocketFactoryTest.java
+++ b/test/ch/cyberduck/core/ProxySocketFactoryTest.java
@@ -25,11 +25,14 @@
 
 import org.junit.Test;
 
+import java.net.Inet4Address;
+import java.net.Inet6Address;
 import java.net.InetSocketAddress;
 import java.net.Socket;
 import java.net.SocketException;
 
 import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
 
 public class ProxySocketFactoryTest extends AbstractTestCase {
 
@@ -65,4 +68,30 @@ public Proxy find(final Host target) {
         assertNotNull(socket);
         socket.connect(new InetSocketAddress("test.cyberduck.ch", 21));
     }
-}
+
+    @Test
+    public void testCreateSocketIPv6Localhost() throws Exception {
+        System.setProperty("java.net.preferIPv6Addresses", String.valueOf(true));
+        final Socket socket = new ProxySocketFactory(ProtocolFactory.SFTP, new TrustManagerHostnameCallback() {
+            @Override
+            public String getTarget() {
+                return "localhost";
+            }
+        }).createSocket("::1", 22);
+        assertNotNull(socket);
+        assertTrue(socket.getInetAddress() instanceof Inet6Address);
+    }
+
+    @Test
+    public void testCreateSocketDualStackGoogle() throws Exception {
+        final Socket socket = new ProxySocketFactory(ProtocolFactory.WEBDAV, new TrustManagerHostnameCallback() {
+            @Override
+            public String getTarget() {
+                return "localhost";
+            }
+        }).createSocket("ipv6test.google.com", 80);
+        assertNotNull(socket);
+        // We have set `java.net.preferIPv6Addresses` to `false` by default
+        assertTrue(socket.getInetAddress() instanceof Inet4Address);
+    }
+}
\ No newline at end of file