StockQuoteOffer wrapper = new StockQuoteOffer();
wrapper.setInput("IBM");
List<ElementInfo> elements = new ArrayList<ElementInfo>();
elements.add(new ElementInfo(INPUT, null));
WrapperInfo wrapperInfo = new WrapperInfo(JAXBDataBinding.NAME, null, null, elements, null);
Operation op = new OperationImpl();
op.setWrapper(wrapperInfo);
List children = handler.getChildren(wrapper, op, true);
assertNotNull(children);
assertEquals(1, children.size());
assertEquals("IBM", children.get(0));
}