ODatabaseFlat database = new ODatabaseFlat(url);
database.open("admin", "admin");
final long originalSize = database.getDictionary().size();
database.getDictionary().put("key1", database.newInstance().value("Text changed"));
database.close();
database.open("admin", "admin");
Assert.assertEquals(((ORecordFlat) database.getDictionary().get("key1")).value(), "Text changed");