Add test file for bug #51873 from Jeremy, and a test that uses it

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1210332 13f79535-47bb-0310-9956-ffa450edef68

src/scratchpad/testcases/org/apache/poi/hsmf/parsers/TestPOIFSChunkParser.java

@@ -333,4 +333,20 @@ public final class TestPOIFSChunkParser extends TestCase {
          fail();
       }
    }
+	
+   /**
+    * Bugzilla #51873 - Outlook 2002 files created with dragging and
+    *  dropping files to the disk include a non-standard named streams
+    *  such as "Olk10SideProps_0001"
+    */
+   public void testOlk10SideProps() throws Exception {
+      POIFSFileSystem poifs = new POIFSFileSystem(
+          new FileInputStream(samples.getFile("51873.msg"))
+      );
+      MAPIMessage msg = new MAPIMessage(poifs);
+
+      // Check core details came through
+      assertEquals("bubba@bubbasmith.com", msg.getDisplayTo());
+      assertEquals("Test with Olk10SideProps_ Chunk", msg.getSubject());
+   }
 }