Bug4991939.java 文件源码

@Test
public void testXPath13() throws Exception {
    QName qname = new QName(XMLConstants.XML_NS_URI, "");

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

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

    try {
        xpath.evaluate("1+1", (Object) null, qname);
        Assert.fail("failed , expected IAE not thrown");
    } catch (IllegalArgumentException e) {
        ; // as expected
    }
}