Add a regression test for http://code.google.com/p/android/issues/detail?id=7935.

Bug: http://code.google.com/p/android/issues/detail?id=7935
Change-Id: I5d1b46687f0f257e24870fe34f05b6e7dceed346
diff --git a/libcore/luni/src/test/java/java/net/SocketTest.java b/libcore/luni/src/test/java/java/net/SocketTest.java
index b0e278f..5839bb9 100644
--- a/libcore/luni/src/test/java/java/net/SocketTest.java
+++ b/libcore/luni/src/test/java/java/net/SocketTest.java
@@ -43,4 +43,13 @@
             s.close();
         }
     }
+
+    // http://code.google.com/p/android/issues/detail?id=7935
+    public void test_newSocket_connection_refused() throws Exception {
+        try {
+            new Socket("localhost", 80);
+            fail("connection should have been refused");
+        } catch (ConnectException expected) {
+        }
+    }
 }