1 /*
2 * $Header$
3 * $Revision$
4 * $Date$
5 *
6 * ====================================================================
7 *
8 * Copyright 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 are
13 * met:
14 *
15 * * Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 *
18 * * Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 *
22 * * Neither the name of the Jaxen Project nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
27 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
29 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
30 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
31 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
32 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
33 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
34 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
35 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
36 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 *
38 * ====================================================================
39 * This software consists of voluntary contributions made by many
40 * individuals on behalf of the Jaxen Project and was originally
41 * created by bob mcwhirter <bob@werken.com> and
42 * James Strachan <jstrachan@apache.org>. For more information on the
43 * Jaxen Project, please see <http://www.jaxen.org/>.
44 *
45 * $Id$
46 */
47
48 package org.jaxen.test;
49
50 import javax.xml.parsers.DocumentBuilder;
51 import javax.xml.parsers.DocumentBuilderFactory;
52 import javax.xml.parsers.ParserConfigurationException;
53
54 import junit.framework.TestCase;
55
56 import org.jaxen.BaseXPath;
57 import org.jaxen.FunctionCallException;
58 import org.jaxen.JaxenException;
59 import org.jaxen.dom.DOMXPath;
60 import org.w3c.dom.Document;
61
62 /***
63 * @author Elliotte Rusty Harold
64 *
65 */
66 public class CeilingTest extends TestCase {
67
68 private Document doc;
69
70 public void setUp() throws ParserConfigurationException
71 {
72 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
73 factory.setNamespaceAware(true);
74 DocumentBuilder builder = factory.newDocumentBuilder();
75 doc = builder.newDocument();
76 org.w3c.dom.Element a = doc.createElementNS("", "a");
77 doc.appendChild(a);
78 }
79
80
81 public CeilingTest(String name) {
82 super(name);
83 }
84
85
86
87 public void testCeiling() throws JaxenException {
88
89 BaseXPath xpath = new DOMXPath("ceiling(1.5)");
90
91 Object result = xpath.evaluate(doc);
92 assertEquals(2, ((Double) result).doubleValue(), 0.0001);
93
94 }
95
96 public void testNegativeCeiling() throws JaxenException {
97
98 BaseXPath xpath = new DOMXPath("ceiling(-1.5)");
99
100 Object result = xpath.evaluate(doc);
101 assertEquals(-1, ((Double) result).doubleValue(), 0.0001);
102
103 }
104
105 public void testNaNCeilingIsNaN() throws JaxenException {
106 BaseXPath xpath = new DOMXPath("ceiling(1.0 div 0.0 - 2.0 div 0.0)");
107 double result = ((Double) xpath.evaluate(doc)).doubleValue();
108 assertTrue(Double.isNaN(result));
109 }
110
111 public void testCeilingFunctionRequiresAtLeastOneArgument()
112 throws JaxenException {
113
114 BaseXPath xpath = new DOMXPath("ceiling()");
115
116 try {
117 xpath.selectNodes(doc);
118 fail("Allowed ceiling function with no arguments");
119 }
120 catch (FunctionCallException ex) {
121 assertNotNull(ex.getMessage());
122 }
123
124 }
125
126 public void testCeilingFunctionRequiresAtMostOneArgument()
127 throws JaxenException {
128
129 BaseXPath xpath = new DOMXPath("ceiling(2.2, 1.2)");
130
131 try {
132 xpath.selectNodes(doc);
133 fail("Allowed ceiling function with two arguments");
134 }
135 catch (FunctionCallException ex) {
136 assertNotNull(ex.getMessage());
137 }
138
139 }
140
141 }