1 /*
   2  * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package xpath;
  25 
  26 import java.io.StringReader;
  27 
  28 import javax.xml.parsers.SAXParser;
  29 import javax.xml.parsers.SAXParserFactory;
  30 import javax.xml.xpath.XPath;
  31 import javax.xml.xpath.XPathFactory;
  32 import javax.xml.xpath.XPathFactoryConfigurationException;
  33 
  34 import org.testng.Assert;
  35 import org.testng.annotations.Listeners;
  36 import org.testng.annotations.Test;
  37 import org.xml.sax.InputSource;
  38 
  39 /*
  40  * @test
  41  * @bug 4992805
  42  * @library /javax/xml/jaxp/libs /javax/xml/jaxp/unittest
  43  * @run testng/othervm -DrunSecMngr=true xpath.Bug4992805
  44  * @run testng/othervm xpath.Bug4992805
  45  * @summary Test XPath.evaluate(expression,source,returnType) throws NPE if returnType is null.
  46  */
  47 @Listeners({jaxp.library.BasePolicy.class})
  48 public class Bug4992805 {
  49 
  50     private static String expression = "/widgets/widget[@name='a']/@quantity";
  51 
  52     // test for XPath.evaluate(java.lang.String expression, InputSource source,
  53     // QName returnType)
  54     // source is null , should throw NPE
  55     @Test
  56     public void testXPath30() throws Exception {
  57         try {
  58             createXPath().evaluate(expression, new InputSource(new StringReader("<root/>")), null);
  59             Assert.fail();
  60         } catch (NullPointerException e) {
  61             ; // as expected
  62         }
  63     }
  64 
  65     private XPath createXPath() throws XPathFactoryConfigurationException {
  66         XPathFactory xpathFactory = XPathFactory.newInstance();
  67         Assert.assertNotNull(xpathFactory);
  68         XPath xpath = xpathFactory.newXPath();
  69         Assert.assertNotNull(xpath);
  70         return xpath;
  71     }
  72 }
  73