public static  void main(String[] args) 
{
         
        TestRunner.run(XPathTest.class);
}

 public  void testBooleanValueOf() throws Exception 
{
        Document doc = DocumentHelper.parseText("< root >< foo >blah< /foo >< /root >");
        XPath path = new DefaultXPath("//root");
        assertTrue(path.booleanValueOf(doc));
        path = new DefaultXPath("//root2");
        assertFalse(path.booleanValueOf(doc));
}

 public  void testBug1116471() throws Exception 
{
        String xml = "< a >< b >Water T & D-46816< /b >< /a >";
        String expected = "Water T & D-46816";
        Document doc = DocumentHelper.parseText(xml);
        String result = (String) doc.selectObject("string(a/b[1])");
        assertEquals("xpath result not correct", expected, result);
        Node node = doc.selectSingleNode("a/b");
        String result2 = node.getStringValue();
        assertEquals("xpath result not correct", expected, result2);
}

 public  void testBug857704() throws Exception 
{
        Document doc = DocumentHelper
                .parseText("< foo xmlns:bar='http://blort'/ >");
        doc.selectNodes("//*[preceding-sibling::*]"); // shouldn't throw NPE
}

 public  void testCreateXPathBug() throws Exception 
{
        Element element = new DefaultElement("foo");
        XPath xpath = element.createXPath("//bar");
        assertTrue(("created a valid XPath: " + xpath) != null);
}

 protected  void testXPath(String xpathExpression) 
{
        log("Searched path: " + xpathExpression);
        XPath xpath = DocumentHelper.createXPath(xpathExpression);
        List list = xpath.selectNodes(document);
        if (list == null) {
            log("null");
        } else {
            log("[");
            for (int i = 0, size = list.size(); i <  size; i++) {
                Object object = list.get(i);
                String text = "null";
                if (object instanceof Node) {
                    Node node = (Node) object;
                    text = node.asXML();
                } else if (object != null) {
                    text = object.toString();
                }
                log("    " + text);
            }
            log("]");
        }
        log("...........................................");
}

 public  void testXPaths() throws Exception 
{
        int size = paths.length;
        for (int i = 0; i <  size; i++) {
            testXPath(paths[i]);
        }
}