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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.BaseXPath;
73 import org.jaxen.FunctionCallException;
74 import org.jaxen.JaxenException;
75 import org.jaxen.dom.DOMXPath;
76 import org.w3c.dom.Document ;
77
78
82 public class NotTest extends TestCase {
83
84 private Document doc;
85
86 public void setUp() throws ParserConfigurationException
87 {
88 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
89 factory.setNamespaceAware(true);
90 DocumentBuilder builder = factory.newDocumentBuilder();
91 doc = builder.newDocument();
92 doc.appendChild(doc.createElement("root"));
93 }
94
95
96 public NotTest(String name) {
97 super(name);
98 }
99
100 public void testZeroIsFalse()
101 throws JaxenException {
102
103 BaseXPath xpath = new DOMXPath("not(0)");
104
105 List result = xpath.selectNodes(doc);
106 assertEquals(1, result.size());
107 assertEquals(Boolean.TRUE, result.get(0));
108
109 }
110
111 public void testOneIsTrue()
112 throws JaxenException {
113
114 BaseXPath xpath = new DOMXPath("not(1)");
115
116 List result = xpath.selectNodes(doc);
117 assertEquals(1, result.size());
118 assertEquals(Boolean.FALSE, result.get(0));
119
120 }
121
122 public void testEmptyStringIsFalse()
123 throws JaxenException {
124
125 BaseXPath xpath = new DOMXPath("not('')");
126
127 List result = xpath.selectNodes(doc);
128 assertEquals(1, result.size());
129 assertEquals(Boolean.TRUE, result.get(0));
130
131 }
132
133 public void testNaNIsFalse()
134 throws JaxenException {
135
136 BaseXPath xpath = new DOMXPath("not(0 div 0)");
137 Object result = xpath.evaluate(null);
138 assertEquals(Boolean.TRUE, result);
139
140 }
141
142 public void testNonEmptyStringIsTrue()
143 throws JaxenException {
144
145 BaseXPath xpath = new DOMXPath("not('false')");
146
147 List result = xpath.selectNodes(doc);
148 assertEquals(1, result.size());
149 assertEquals(Boolean.FALSE, result.get(0));
150
151 }
152
153 public void testNotFunctionRequiresOneArgument()
154 throws JaxenException {
155
156 BaseXPath xpath = new DOMXPath("not()");
157
158 try {
159 xpath.selectNodes(doc);
160 fail("Allowed not() function with no arguments");
161 }
162 catch (FunctionCallException ex) {
163 assertNotNull(ex.getMessage());
164 }
165
166 }
167
168 public void testNotFunctionRequiresExactlyOneArgument()
169 throws JaxenException {
170
171 BaseXPath xpath = new DOMXPath("not('', '')");
172
173 try {
174 xpath.selectNodes(doc);
175 fail("Allowed not() function with two arguments");
176 }
177 catch (FunctionCallException ex) {
178 assertNotNull(ex.getMessage());
179 }
180
181 }
182
183 }
184 |
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