1 /* 2 * Copyright (c) 2003, 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 javax.xml.xpath.ptests; 25 26 import static org.testng.Assert.assertEquals; 27 28 import javax.xml.xpath.XPath; 29 import javax.xml.xpath.XPathExpressionException; 30 import javax.xml.xpath.XPathFactory; 31 32 import org.testng.annotations.BeforeTest; 33 import org.testng.annotations.Listeners; 34 import org.testng.annotations.Test; 35 36 /** 37 * Class containing the test cases for XPathFunctionResolver. 38 */ 39 @Listeners({jaxp.library.BasePolicy.class}) 40 public class XPathFunctionResolverTest { 41 /** 42 * A XPath for evaluation environment and expressions. 43 */ 44 private XPath xpath; 45 46 /** 47 * Create XPath object before every test. Make sure function resolver has 48 * been set for XPath object. 49 */ 50 @BeforeTest 51 public void setup() { 52 xpath = XPathFactory.newInstance().newXPath(); 53 if (xpath.getXPathFunctionResolver() == null) { 54 xpath.setXPathFunctionResolver((functionName,arity) -> null); 55 } 56 } 57 /** 58 * Test for resolveFunction(QName functionName,int arity). evaluate will 59 * continue as long as functionName is meaningful. 60 * 61 * @throws XPathExpressionException If the expression cannot be evaluated. 62 */ 63 @Test 64 public void testCheckXPathFunctionResolver01() throws XPathExpressionException { 65 assertEquals(xpath.evaluate("round(1.7)", (Object)null), "2"); 66 } 67 68 /** 69 * Test for resolveFunction(QName functionName,int arity); evaluate throws 70 * NPE if functionName is null. 71 * 72 * @throws XPathExpressionException If the expression cannot be evaluated. 73 */ 74 @Test(expectedExceptions = NullPointerException.class) 75 public void testCheckXPathFunctionResolver02() throws XPathExpressionException { 76 assertEquals(xpath.evaluate(null, "5"), "2"); 77 } 78 }