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diff --git a/das-java/branches/das-java-M2/rdb/src/test/java/org/apache/tuscany/das/rdb/test/RelationshipTests.java b/das-java/branches/das-java-M2/rdb/src/test/java/org/apache/tuscany/das/rdb/test/RelationshipTests.java
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.das.rdb.test;
+
+/*
+ * 
+ * 
+ */
+
+import org.apache.tuscany.das.rdb.Command;
+import org.apache.tuscany.das.rdb.DAS;
+import org.apache.tuscany.das.rdb.test.data.CustomerData;
+import org.apache.tuscany.das.rdb.test.data.OrderData;
+import org.apache.tuscany.das.rdb.test.framework.DasTest;
+
+import commonj.sdo.DataObject;
+
+public class RelationshipTests extends DasTest {
+
+    protected void setUp() throws Exception {
+        super.setUp();
+
+        new CustomerData(getAutoConnection()).refresh();
+        new OrderData(getAutoConnection()).refresh();
+
+    }
+
+    protected void tearDown() throws Exception {
+        super.tearDown();
+    }
+
+    /**
+     * Test ability to read a compound graph
+     */
+    public void testRead() throws Exception {
+
+        String statement = "SELECT * FROM CUSTOMER LEFT JOIN ANORDER "
+                + "ON CUSTOMER.ID = ANORDER.CUSTOMER_ID WHERE CUSTOMER.ID = 1";
+
+        DAS das = DAS.FACTORY.createDAS(getConfig("customerOrderRelationshipMapping.xml"), getConnection());
+        // Read some customers and related orders
+        Command select = das.createCommand(statement);
+
+        DataObject root = select.executeQuery();
+        DataObject customer = root.getDataObject("CUSTOMER[1]");
+
+        assertEquals(2, customer.getList("orders").size());
+
+    }
+
+    /**
+     * Same as above except uses xml file for relationhip and key information.
+     * Employs CUD generation.
+     */
+    public void testRelationshipModification2() throws Exception {
+
+        DAS das = DAS.FACTORY.createDAS(getConfig("basicCustomerOrderMapping.xml"), getConnection());
+        // Read some customers and related orders
+        Command select = das
+                .createCommand("SELECT * FROM CUSTOMER LEFT JOIN ANORDER ON CUSTOMER.ID = ANORDER.CUSTOMER_ID");
+
+        DataObject root = select.executeQuery();
+
+        DataObject cust1 = root.getDataObject("CUSTOMER[1]");
+        DataObject cust2 = root.getDataObject("CUSTOMER[2]");
+
+        // Save IDs
+        Integer cust1ID = (Integer) cust1.get("ID");
+        Integer cust2ID = (Integer) cust2.get("ID");
+        // save order count
+        Integer cust1OrderCount = Integer.valueOf(cust1.getList("orders").size());
+        Integer cust2OrderCount = Integer.valueOf(cust2.getList("orders").size());
+
+        // Move an order to cust1 from cust2
+        DataObject order = (DataObject) cust2.getList("orders").get(0);
+        cust1.getList("orders").add(order);
+
+        // Flush changes
+        das.applyChanges(root);
+
+        // verify cust1 relationship updates
+        select = das
+                .createCommand("SELECT * FROM CUSTOMER LEFT JOIN ANORDER ON "
+                        + "CUSTOMER.ID = ANORDER.CUSTOMER_ID where CUSTOMER.ID = ?");
+        select.setParameter(1, cust1ID);
+
+        root = select.executeQuery();
+        assertEquals(cust1OrderCount.intValue() + 1, root.getList("CUSTOMER[1]/orders").size());
+
+        // verify cust2 relationship updates
+        select.setParameter(1, cust2ID);
+        root = select.executeQuery();
+        assertEquals(cust2OrderCount.intValue() - 1, root.getList("CUSTOMER[1]/orders").size());
+
+    }
+
+}