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diff --git a/sca-java-1.x/tags/java-M1-20060522/java/sdo/impl/src/test/java/org/apache/tuscany/sdo/test/ChangeSummaryTestCase.java b/sca-java-1.x/tags/java-M1-20060522/java/sdo/impl/src/test/java/org/apache/tuscany/sdo/test/ChangeSummaryTestCase.java
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+/**
+ *
+ *  Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ *
+ *  Licensed 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();
+    }
+}