new file mode 100644
--- /dev/null
+++ b/tests/Test_Dobjects.java
@@ -0,0 +1,51 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * Copyright 1997 - July 2008 CWI, August 2008 - 2016 MonetDB B.V.
+ */
+
+import java.sql.*;
+import java.util.*;
+
+public class Test_Dobjects {
+	private static void dumpResultSet(ResultSet rs) throws SQLException {
+		ResultSetMetaData rsmd = rs.getMetaData();
+		System.out.println("Resultset with " + rsmd.getColumnCount() + " columns");
+		for (int col = 1; col <= rsmd.getColumnCount(); col++) {
+			System.out.print(rsmd.getColumnName(col) + "\t");
+		}
+		System.out.println();
+		while (rs.next()) {
+			for (int col = 1; col <= rsmd.getColumnCount(); col++) {
+				System.out.print(rs.getString(col) + "\t");
+			}
+			System.out.println();
+		}
+	}
+
+	public static void main(String[] args) throws Exception {
+		Class.forName("nl.cwi.monetdb.jdbc.MonetDriver");
+		Connection con = DriverManager.getConnection(args[0]);
+		Statement stmt = con.createStatement();
+		PreparedStatement pstmt;
+		DatabaseMetaData dbmd = con.getMetaData();
+
+		try {
+			// inspect the catalog by use of dbmd functions
+			dumpResultSet(dbmd.getCatalogs());
+//			dumpResultSet(dbmd.getSchemas());	// this produces different outputs on different platforms due to dependency on SAMTOOLS and NETCDF. so exclude it
+			dumpResultSet(dbmd.getSchemas(null, "sys"));
+			dumpResultSet(dbmd.getTables(null, "sys", null, null));
+			dumpResultSet(dbmd.getUDTs(null, "sys", null, null));
+			int[] UDTtypes = { Types.STRUCT, Types.DISTINCT };
+			dumpResultSet(dbmd.getUDTs(null, "sys", null, UDTtypes));
+		} catch (SQLException e) {
+			System.out.println("FAILED :( "+ e.getMessage());
+			System.out.println("ABORTING TEST!!!");
+		}
+
+		con.close();
+	}
+}