function testDelete()
  {
    $mapper = new ObjectMapper();
    $object = new Object();
    $object->__class_name = 'Object';

    $this->db->insert('sys_class', array('id' => $class_id = 5,
                                         'name' => $object->__class_name));

    $this->db->insert('sys_object', array('oid' => $id1 = 1,
                                         'class_id' => $class_id));

    $this->db->insert('sys_object', array('oid' => $id2 = 2,
                                         'class_id' => $class_id));


    $object->set('oid', $id1);
    $object->set('class_id', $class_id);

    $mapper->delete($object);

    $rs =& $this->db->select('sys_class');
    $classes = $rs->getArray();
    $this->assertEqual(sizeof($classes), 1);

    $rs =& $this->db->select('sys_object');
    $objects = $rs->getArray();
    $this->assertEqual(sizeof($objects), 1);

    $this->assertEqual($objects[0]['oid'], $id2);
    $this->assertEqual($objects[0]['class_id'], $class_id);
  }
 /**
  * Deletes an array of objects
  * @static
  * @param $idArray array - array of id objects
  */
 function deleteArray($idArray)
 {
     // Coordinate transaction
     $icfDatabase = new IcfDatabase();
     $conn = $icfDatabase->dbOpen();
     $conn->StartTrans();
     $objectMapper = new ObjectMapper();
     $objectMapper->setConnection($conn);
     // Call business logic
     foreach ($idArray as $id) {
         $objectMapper->delete($id);
     }
     // Close transaction
     $conn->completeTrans();
     $icfDatabase->dbClose($conn);
 }