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1
61
62 package org.jaxen.function;
63
64 import javax.xml.parsers.DocumentBuilder  ;
65 import javax.xml.parsers.DocumentBuilderFactory ;
66 import javax.xml.parsers.ParserConfigurationException ;
67
68 import junit.framework.TestCase;
69
70 import org.jaxen.BaseXPath;
71 import org.jaxen.FunctionCallException;
72 import org.jaxen.JaxenException;
73 import org.jaxen.dom.DOMXPath;
74 import org.w3c.dom.Document ;
75
76
80 public class CeilingTest extends TestCase {
81
82 private Document doc;
83
84 public void setUp() throws ParserConfigurationException
85 {
86 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
87 factory.setNamespaceAware(true);
88 DocumentBuilder builder = factory.newDocumentBuilder();
89 doc = builder.newDocument();
90 org.w3c.dom.Element a = doc.createElementNS("", "a");
91 doc.appendChild(a);
92 }
93
94
95 public CeilingTest(String name) {
96 super(name);
97 }
98
99
100
101 public void testCeiling() throws JaxenException {
102
103 BaseXPath xpath = new DOMXPath("ceiling(1.5)");
104
105 Object result = xpath.evaluate(doc);
106 assertEquals(2, ((Double ) result).doubleValue(), 0.0001);
107
108 }
109
110 public void testNegativeCeiling() throws JaxenException {
111
112 BaseXPath xpath = new DOMXPath("ceiling(-1.5)");
113
114 Object result = xpath.evaluate(doc);
115 assertEquals(-1, ((Double ) result).doubleValue(), 0.0001);
116
117 }
118
119 public void testNaNCeilingIsNaN() throws JaxenException {
120 BaseXPath xpath = new DOMXPath("ceiling(1.0 div 0.0 - 2.0 div 0.0)");
121 double result = ((Double ) xpath.evaluate(doc)).doubleValue();
122 assertTrue(Double.isNaN(result));
123 }
124
125 public void testCeilingFunctionRequiresAtLeastOneArgument()
126 throws JaxenException {
127
128 BaseXPath xpath = new DOMXPath("ceiling()");
129
130 try {
131 xpath.selectNodes(doc);
132 fail("Allowed ceiling function with no arguments");
133 }
134 catch (FunctionCallException ex) {
135 assertNotNull(ex.getMessage());
136 }
137
138 }
139
140 public void testCeilingFunctionRequiresAtMostOneArgument()
141 throws JaxenException {
142
143 BaseXPath xpath = new DOMXPath("ceiling(2.2, 1.2)");
144
145 try {
146 xpath.selectNodes(doc);
147 fail("Allowed ceiling function with two arguments");
148 }
149 catch (FunctionCallException ex) {
150 assertNotNull(ex.getMessage());
151 }
152
153 }
154
155 }
156 |
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