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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.XPath;
76 import org.jaxen.dom.DOMXPath;
77 import org.w3c.dom.Document;
78 import org.xml.sax.SAXException;
79
80 /***
81 * @author Elliotte Rusty Harold
82 *
83 */
84 public class ContainsTest extends TestCase {
85
86 private Document doc;
87
88 public void setUp() throws ParserConfigurationException, SAXException, IOException
89 {
90 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
91 factory.setNamespaceAware(true);
92 DocumentBuilder builder = factory.newDocumentBuilder();
93 doc = builder.newDocument();
94 doc.appendChild(doc.createElement("root"));
95 }
96
97
98 public ContainsTest(String name) {
99 super(name);
100 }
101
102 public void testContainsNumber() throws JaxenException
103 {
104 XPath xpath = new DOMXPath( "contains(33, '3')" );
105 Boolean result = (Boolean) xpath.evaluate( doc );
106 assertEquals(Boolean.TRUE, result);
107 }
108
109 public void testContainsString() throws JaxenException
110 {
111 XPath xpath = new DOMXPath( "contains('test', 'es')" );
112 Boolean result = (Boolean) xpath.evaluate( doc );
113 assertEquals(Boolean.TRUE, result);
114 }
115
116 public void testContainsString3() throws JaxenException
117 {
118 XPath xpath = new DOMXPath( "contains('superlative', 'superlative')" );
119 Boolean result = (Boolean) xpath.evaluate( doc );
120 assertEquals(Boolean.TRUE, result);
121 }
122
123 public void testContainsNumber2() throws JaxenException
124 {
125 XPath xpath = new DOMXPath( "contains(43, '0')" );
126 Boolean result = (Boolean) xpath.evaluate( doc );
127 assertEquals(Boolean.FALSE, result);
128 }
129
130 public void testContainsString2() throws JaxenException
131 {
132 XPath xpath = new DOMXPath( "contains('1234567890', '1234567a')" );
133 Boolean result = (Boolean) xpath.evaluate( doc );
134 assertEquals(Boolean.FALSE, result);
135 }
136
137
138 public void testEmptyStringContainsNonEmptyString() throws JaxenException
139 {
140 XPath xpath = new DOMXPath( "contains('', 'a')" );
141 Boolean result = (Boolean) xpath.evaluate( doc );
142 assertEquals(Boolean.FALSE, result);
143 }
144
145 public void testEmptyStringContainsEmptyString() throws JaxenException
146 {
147 XPath xpath = new DOMXPath( "contains('', '')" );
148 Boolean result = (Boolean) xpath.evaluate( doc );
149 assertEquals(Boolean.TRUE, result);
150 }
151
152 public void testContainsEmptyString() throws JaxenException
153 {
154 XPath xpath = new DOMXPath( "contains('a', '')" );
155 Boolean result = (Boolean) xpath.evaluate( doc );
156 assertEquals(Boolean.TRUE, result);
157 }
158
159 public void testContainsFunctionRequiresAtLeastTwoArguments()
160 throws JaxenException {
161
162 BaseXPath xpath = new DOMXPath("contains('a')");
163
164 try {
165 xpath.selectNodes(doc);
166 fail("Allowed contains function with one argument");
167 }
168 catch (FunctionCallException ex) {
169 assertNotNull(ex.getMessage());
170 }
171
172 }
173
174 public void testContainsFunctionRequiresAtMostTwoArguments()
175 throws JaxenException {
176
177 BaseXPath xpath = new DOMXPath("contains('a', 'a', 'a')");
178
179 try {
180 xpath.selectNodes(doc);
181 fail("Allowed contains function with three arguments");
182 }
183 catch (FunctionCallException ex) {
184 assertNotNull(ex.getMessage());
185 }
186
187 }
188
189 }