1 /* 2 * $Header$ 3 * $Revision$ 4 * $Date$ 5 * 6 * ==================================================================== 7 * 8 * Copyright (C) 2005 Elliotte Rusty Harold. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions, and the following disclaimer. 17 * 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions, and the disclaimer that follows 20 * these conditions in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * 3. The name "Jaxen" must not be used to endorse or promote products 24 * derived from this software without prior written permission. For 25 * written permission, please contact license@jaxen.org. 26 * 27 * 4. Products derived from this software may not be called "Jaxen", nor 28 * may "Jaxen" appear in their name, without prior written permission 29 * from the Jaxen Project Management (pm@jaxen.org). 30 * 31 * In addition, we request (but do not require) that you include in the 32 * end-user documentation provided with the redistribution and/or in the 33 * software itself an acknowledgement equivalent to the following: 34 * "This product includes software developed by the 35 * Jaxen Project (http://www.jaxen.org/)." 36 * Alternatively, the acknowledgment may be graphical using the logos 37 * available at http://www.jaxen.org/ 38 * 39 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 40 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 41 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 42 * DISCLAIMED. IN NO EVENT SHALL THE Jaxen AUTHORS OR THE PROJECT 43 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 45 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 46 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 47 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 48 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 49 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 50 * SUCH DAMAGE. 51 * 52 * ==================================================================== 53 * This software consists of voluntary contributions made by many 54 * individuals on behalf of the Jaxen Project and was originally 55 * created by bob mcwhirter <bob@werken.com> and 56 * James Strachan <jstrachan@apache.org>. For more information on the 57 * Jaxen Project, please see <http://www.jaxen.org/>. 58 * 59 * $Id$ 60 */ 61 62 package org.jaxen.function; 63 64 import java.io.IOException; 65 66 import javax.xml.parsers.DocumentBuilder; 67 import javax.xml.parsers.DocumentBuilderFactory; 68 import javax.xml.parsers.ParserConfigurationException; 69 70 import junit.framework.TestCase; 71 72 import org.jaxen.BaseXPath; 73 import org.jaxen.FunctionCallException; 74 import org.jaxen.JaxenException; 75 import org.jaxen.dom.DOMXPath; 76 import org.w3c.dom.Document; 77 import org.xml.sax.SAXException; 78 79 /*** 80 * @author Elliotte Rusty Harold 81 * 82 */ 83 public class FloorTest extends TestCase { 84 85 private Document doc; 86 87 public void setUp() throws ParserConfigurationException, SAXException, IOException 88 { 89 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); 90 factory.setNamespaceAware(true); 91 DocumentBuilder builder = factory.newDocumentBuilder(); 92 doc = builder.newDocument(); 93 org.w3c.dom.Element a = doc.createElementNS("", "a"); 94 doc.appendChild(a); 95 } 96 97 98 public FloorTest(String name) { 99 super(name); 100 } 101 102 103 104 public void testFloor() throws JaxenException { 105 106 BaseXPath xpath = new DOMXPath("floor(1.5)"); 107 108 Object result = xpath.evaluate(doc); 109 assertEquals(1, ((Double) result).doubleValue(), 0.0001); 110 111 } 112 113 public void testNegativeFloor() throws JaxenException { 114 115 BaseXPath xpath = new DOMXPath("floor(-1.5)"); 116 117 Object result = xpath.evaluate(doc); 118 assertEquals(-2, ((Double) result).doubleValue(), 0.0001); 119 120 } 121 122 public void testNaNFloorIsNaN() throws JaxenException { 123 BaseXPath xpath = new DOMXPath("floor(1.0 div 0.0 - 2.0 div 0.0)"); 124 double result = ((Double) xpath.evaluate(doc)).doubleValue(); 125 assertTrue(Double.isNaN(result)); 126 } 127 128 public void testFloorFunctionRequiresAtLeastArgument() 129 throws JaxenException { 130 131 BaseXPath xpath = new DOMXPath("floor()"); 132 133 try { 134 xpath.selectNodes(doc); 135 fail("Allowed floor function with no arguments"); 136 } 137 catch (FunctionCallException ex) { 138 assertNotNull(ex.getMessage()); 139 } 140 141 } 142 143 public void testBooleanFunctionRequiresExactlyOneArgument() 144 throws JaxenException { 145 146 BaseXPath xpath = new DOMXPath("floor(2.2, 1.2)"); 147 148 try { 149 xpath.selectNodes(doc); 150 fail("Allowed floor function with two arguments"); 151 } 152 catch (FunctionCallException ex) { 153 assertNotNull(ex.getMessage()); 154 } 155 156 } 157 158 }