1 files changed, 25 insertions, 0 deletions
diff --git a/src/net/java/sip/communicator/impl/protocol/mock/MockContactGroup.java b/src/net/java/sip/communicator/impl/protocol/mock/MockContactGroup.java
index fa4fff1..e6cdd36 100644
--- a/src/net/java/sip/communicator/impl/protocol/mock/MockContactGroup.java
+++ b/src/net/java/sip/communicator/impl/protocol/mock/MockContactGroup.java
@@ -506,6 +506,31 @@ public class MockContactGroup
         return true;
     }
 
+    @Override
+    public int hashCode()
+    {
+        List<Object> objects = new ArrayList<Object>();
+        objects.add(getGroupName());
+        objects.add(getUID());
+        objects.add(countContacts());
+        objects.add(countSubgroups());
+
+        //traverse child contacts
+        for (Contact c : contacts)
+        {
+            objects.add(c.getAddress());
+        }
+        
+
+        //traverse subgroups
+        for (ContactGroup g : subGroups)
+        {
+            objects.add(g.getGroupName());
+        }
+
+        return Objects.hash(objects.toArray());
+    }
+
     public void setPersistent(boolean isPersistent)
     {
         this.isPersistent = isPersistent;