Bug4991857.java 文件源码

@Test
public void testXPath11() throws Exception {
    try {
        Document d = null;

        XPathFactory xpathFactory = XPathFactory.newInstance();
        Assert.assertNotNull(xpathFactory);

        XPath xpath = xpathFactory.newXPath();
        Assert.assertNotNull(xpath);

        String quantity = (String) xpath.evaluate("/widgets/widget[@name='a']/@quantity", d, XPathConstants.STRING);
        Assert.fail("XPathExpressionException not thrown");
    } catch (XPathExpressionException e) {
        // Expected exception as context node is null
    }
}