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diff --git a/sdo-java/branches/sdo-java-M2/sdo/impl/src/test/java/org/apache/tuscany/sdo/test/ChangeSummaryTestCase.java b/sdo-java/branches/sdo-java-M2/sdo/impl/src/test/java/org/apache/tuscany/sdo/test/ChangeSummaryTestCase.java
new file mode 100644
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+++ b/sdo-java/branches/sdo-java-M2/sdo/impl/src/test/java/org/apache/tuscany/sdo/test/ChangeSummaryTestCase.java
@@ -0,0 +1,92 @@
+/**
+ *
+ *  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.sdo.test;
+
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.math.BigDecimal;
+import java.net.URL;
+
+import junit.framework.TestCase;
+
+import org.apache.tuscany.sdo.util.SDOUtil;
+
+import commonj.sdo.ChangeSummary;
+import commonj.sdo.DataGraph;
+import commonj.sdo.DataObject;
+import commonj.sdo.helper.XSDHelper;
+
+
+public class ChangeSummaryTestCase extends TestCase {
+    private final String TEST_MODEL = "/simple.xsd";
+    private final String TEST_DATA = "/simplechangesummary.xml";
+
+    /**
+     * Simple ChangeSummary test.
+     */
+    public void testChangeSummary() throws IOException {
+        // Create an empty data graph and add a root object, an instance of type Quote
+        //
+      
+        DataGraph dataGraph = SDOUtil.createDataGraph();
+        DataObject quote = dataGraph.createRootObject("http://www.example.com/simple", "Quote");
+
+        // Begin logging changes
+        //
+        ChangeSummary changeSummary = dataGraph.getChangeSummary();
+        changeSummary.beginLogging();
+
+        // Modify the data graph in various fun and interesting ways
+        //
+        quote.setString("symbol", "fbnt");
+        quote.setString("companyName", "FlyByNightTechnology");
+        quote.setBigDecimal("price", new BigDecimal("1000.0"));
+        quote.setBigDecimal("open1", new BigDecimal("1000.0"));
+        quote.setBigDecimal("high", new BigDecimal("1000.0"));
+        quote.setBigDecimal("low", new BigDecimal("1000.0"));
+        quote.setDouble("volume", 1000);
+        quote.setDouble("change1", 1000);
+
+        DataObject child = quote.createDataObject("quotes");
+        child.setBigDecimal("price", new BigDecimal("2000.0"));
+
+        // Stop logging changes and print the resulting data graph to stdout
+        //
+        changeSummary.endLogging();
+        
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        SDOUtil.saveDataGraph(dataGraph, baos, null);
+
+        assertTrue(TestUtil.equalXmlFiles(new ByteArrayInputStream(baos.toByteArray()), getClass().getResource(TEST_DATA)));
+    }
+
+    protected void setUp() throws Exception {
+        super.setUp();
+
+        // Populate the meta data for the test (Stock Quote) model
+        URL url = getClass().getResource(TEST_MODEL);
+        InputStream inputStream = url.openStream();
+        XSDHelper.INSTANCE.define(inputStream, url.toString());
+        inputStream.close();
+    }
+}