public void testParse() {
XPathStaxParser parser = new XPathStaxParser();
parser.addHandler(new XPathRequest("/catalog/book[@id='bk101']/price"), new NodeHandler() {
@Override
public void processNode(XmlNode xmlNode) {
Value count = xmlNode.getText();
assertEquals(44.95, count.asDouble(), 0.001); }
@Override
public void elementStart(String elementName) {
assertEquals("price", elementName);
}