1 /* 2 * Copyright (c) 2014, 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 javax.xml.xpath; 25 26 import javax.xml.parsers.SAXParser; 27 import javax.xml.parsers.SAXParserFactory; 28 import javax.xml.xpath.XPath; 29 import javax.xml.xpath.XPathConstants; 30 import javax.xml.xpath.XPathFactory; 31 import javax.xml.xpath.XPathFactoryConfigurationException; 32 33 import org.testng.Assert; 34 import org.testng.annotations.Test; 35 import org.xml.sax.InputSource; 36 37 /* 38 * @bug 4992788 39 * @summary Test XPath.evaluate(expression,source,returnType) throws NPE if source is null. 40 */ 41 public class Bug4992788 { 42 43 private static String expression = "/widgets/widget[@name='a']/@quantity"; 44 45 // test for XPath.evaluate(java.lang.String expression, InputSource source) 46 // - default returnType is String 47 // source is null , should throw NPE 48 @Test 49 public void testXPath23() throws Exception { 50 try { 51 createXPath().evaluate(expression, (InputSource) null); 52 Assert.fail(); 53 } catch (NullPointerException e) { 54 ; // as expected 55 } 56 } 57 58 // test for XPath.evaluate(java.lang.String expression, InputSource source, 59 // QName returnType) 60 // source is null , should throw NPE 61 @Test 62 public void testXPath28() throws Exception { 63 try { 64 createXPath().evaluate(expression, (InputSource) null, XPathConstants.STRING); 65 Assert.fail(); 66 } catch (NullPointerException e) { 67 ; // as expected 68 } 69 } 70 71 private XPath createXPath() throws XPathFactoryConfigurationException { 72 XPathFactory xpathFactory = XPathFactory.newInstance(); 73 Assert.assertNotNull(xpathFactory); 74 XPath xpath = xpathFactory.newXPath(); 75 Assert.assertNotNull(xpath); 76 return xpath; 77 } 78 }