--- /dev/null	2017-01-25 15:07:48.135556721 +0000
+++ new/test/com/sun/jndi/ldap/TestDnsProvider.java	2017-01-25 16:14:22.014441390 +0000
@@ -0,0 +1,16 @@
+import java.util.ArrayList;
+import java.util.Hashtable;
+import java.util.List;
+import java.util.function.BiFunction;
+
+public class TestDnsProvider implements
+        BiFunction<String, Hashtable<?,?>, List<String>>
+{
+    @Override
+    public List<String> apply(String url, Hashtable<?, ?> env) {
+        List<String> urls = new ArrayList<>();
+        urls.add("ldap://yupyupyup:389");
+        return urls;
+    }
+}
+