Add test which shows that bug #48832 is invalid

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@948473 13f79535-47bb-0310-9956-ffa450edef68

src/testcases/org/apache/poi/hpsf/basic/AllPOIHPSFBasicTests.java

@@ -30,6 +30,7 @@ public final class AllPOIHPSFBasicTests {
         result.addTestSuite(TestBasic.class);
         result.addTestSuite(TestClassID.class);
         result.addTestSuite(TestEmptyProperties.class);
+        result.addTestSuite(TestHPSFBugs.class);
         result.addTestSuite(TestMetaDataIPI.class);
         result.addTestSuite(TestUnicode.class);
         result.addTestSuite(TestWrite.class);

src/testcases/org/apache/poi/hpsf/basic/TestHPSFBugs.java

@@ -0,0 +1,111 @@
+/* ====================================================================
+   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.poi.hpsf.basic;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.UnsupportedEncodingException;
+import java.util.Date;
+import java.util.List;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+import org.apache.poi.hpsf.DocumentSummaryInformation;
+import org.apache.poi.hpsf.HPSFException;
+import org.apache.poi.hpsf.MarkUnsupportedException;
+import org.apache.poi.hpsf.NoPropertySetStreamException;
+import org.apache.poi.hpsf.PropertySet;
+import org.apache.poi.hpsf.PropertySetFactory;
+import org.apache.poi.hpsf.Section;
+import org.apache.poi.hpsf.SummaryInformation;
+import org.apache.poi.hpsf.wellknown.SectionIDMap;
+import org.apache.poi.hssf.usermodel.HSSFWorkbook;
+import org.apache.poi.POIDataSamples;
+
+/**
+ * Tests various bugs have been fixed
+ */
+public final class TestHPSFBugs extends TestCase {
+   /**
+    * Ensure that we can create a new HSSF Workbook,
+    *  then add some properties to it, save +
+    *  reload, and still access & change them.
+    */
+   public void test48832() throws Exception {
+      HSSFWorkbook wb = new HSSFWorkbook();
+      
+      // Starts empty
+      assertNull(wb.getDocumentSummaryInformation());
+      assertNull(wb.getSummaryInformation());
+      
+      // Add new properties
+      wb.createInformationProperties();
+      
+      assertNotNull(wb.getDocumentSummaryInformation());
+      assertNotNull(wb.getSummaryInformation());
+      
+      // Set initial values
+      wb.getSummaryInformation().setAuthor("Apache POI");
+      wb.getSummaryInformation().setKeywords("Testing POI");
+      wb.getSummaryInformation().setCreateDateTime(new Date(12345));
+      
+      wb.getDocumentSummaryInformation().setCompany("Apache");
+      
+      
+      // Save and reload
+      ByteArrayOutputStream baos = new ByteArrayOutputStream();
+      wb.write(baos);
+      ByteArrayInputStream bais = 
+         new ByteArrayInputStream(baos.toByteArray());
+      wb = new HSSFWorkbook(bais);
+      
+      
+      // Ensure changes were taken
+      assertNotNull(wb.getDocumentSummaryInformation());
+      assertNotNull(wb.getSummaryInformation());
+ 
+      assertEquals("Apache POI", wb.getSummaryInformation().getAuthor());
+      assertEquals("Testing POI", wb.getSummaryInformation().getKeywords());
+      assertEquals(12345, wb.getSummaryInformation().getCreateDateTime().getTime());
+      assertEquals("Apache", wb.getDocumentSummaryInformation().getCompany());
+      
+      
+      // Set some more, save + reload
+      wb.getSummaryInformation().setComments("Resaved");
+      
+      baos = new ByteArrayOutputStream();
+      wb.write(baos);
+      bais = new ByteArrayInputStream(baos.toByteArray());
+      wb = new HSSFWorkbook(bais);
+      
+      // Check again
+      assertNotNull(wb.getDocumentSummaryInformation());
+      assertNotNull(wb.getSummaryInformation());
+ 
+      assertEquals("Apache POI", wb.getSummaryInformation().getAuthor());
+      assertEquals("Testing POI", wb.getSummaryInformation().getKeywords());
+      assertEquals("Resaved", wb.getSummaryInformation().getComments());
+      assertEquals(12345, wb.getSummaryInformation().getCreateDateTime().getTime());
+      assertEquals("Apache", wb.getDocumentSummaryInformation().getCompany());
+   }
+}