1 /* 2 * Copyright (c) 2003, 2015, 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.ptests; 25 26 import javax.xml.xpath.XPath; 27 import javax.xml.xpath.XPathExpressionException; 28 import javax.xml.xpath.XPathFactory; 29 import jaxp.library.JAXPBaseTest; 30 import static org.testng.Assert.assertEquals; 31 import org.testng.annotations.BeforeTest; 32 import org.testng.annotations.Test; 33 34 /** 35 * Class containing the test cases for XPathFunctionResolver. 36 */ 37 public class XPathFunctionResolverTest extends JAXPBaseTest { 38 /** 39 * A XPath for evaluation environment and expressions. 40 */ 41 private XPath xpath; 42 43 /** 44 * Create XPath object before every test. Make sure function resolver has 45 * been set for XPath object. 46 */ 47 @BeforeTest 48 public void setup() { 49 xpath = XPathFactory.newInstance().newXPath(); 50 if (xpath.getXPathFunctionResolver() == null) { 51 xpath.setXPathFunctionResolver((functionName,arity) -> null); 52 } 53 } 54 /** 55 * Test for resolveFunction(QName functionName,int arity). evaluate will 56 * continue as long as functionName is meaningful. 57 * 58 * @throws XPathExpressionException If the expression cannot be evaluated. 59 */ 60 @Test 61 public void testCheckXPathFunctionResolver01() throws XPathExpressionException { 62 assertEquals(xpath.evaluate("round(1.7)", (Object)null), "2"); 63 } 64 65 /** 66 * Test for resolveFunction(QName functionName,int arity); evaluate throws 67 * NPE if functionName is null. 68 * 69 * @throws XPathExpressionException If the expression cannot be evaluated. 70 */ 71 @Test(expectedExceptions = NullPointerException.class) 72 public void testCheckXPathFunctionResolver02() throws XPathExpressionException { 73 assertEquals(xpath.evaluate(null, "5"), "2"); 74 } 75 }