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1
61
62 package org.jaxen.function;
63
64 import java.util.List  ;
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.JaxenException;
73 import org.jaxen.XPath;
74 import org.jaxen.dom.DOMXPath;
75 import org.w3c.dom.Document ;
76
77
81 public class NumberTest extends TestCase {
82
83 private Document doc;
84
85 public void setUp() throws ParserConfigurationException
86 {
87 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
88 factory.setNamespaceAware(true);
89 DocumentBuilder builder = factory.newDocumentBuilder();
90 doc = builder.newDocument();
91 }
92
93
94 public NumberTest(String name) {
95 super(name);
96 }
97
98 public void testNumberFunctionOperatesOnFirstNodeInDocumentOrder()
100 throws JaxenException {
101
102 XPath xpath = new DOMXPath("number(//x)");
103 org.w3c.dom.Element a = doc.createElementNS("", "a");
104 org.w3c.dom.Element b = doc.createElementNS("", "b");
105 doc.appendChild(a);
106 a.appendChild(b);
107 org.w3c.dom.Element x2 = doc.createElementNS("", "x");
108 org.w3c.dom.Element x3 = doc.createElementNS("", "x");
109 org.w3c.dom.Element x4 = doc.createElementNS("", "x");
110 a.appendChild(x4);
111 b.appendChild(x2);
112 b.appendChild(x3);
113 x2.appendChild(doc.createTextNode("2"));
114 x3.appendChild(doc.createTextNode("3"));
115 x4.appendChild(doc.createTextNode("4"));
116
117 List result = xpath.selectNodes(doc);
118 assertEquals(1, result.size());
119 assertEquals(Double.valueOf("2.0"), result.get(0));
120
121 }
122
123 public void testNumberFunctionOperatesOnContextNode()
124 throws JaxenException {
125
126 XPath xpath = new DOMXPath("number()");
127 org.w3c.dom.Element a = doc.createElementNS("", "a");
128 doc.appendChild(a);
129 a.appendChild(doc.createTextNode("2"));
130
131 Double result = (Double ) xpath.evaluate(doc);
132 assertEquals(2, result.intValue());
133
134 }
135
136 }
137 |
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