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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.XPath;
74 import org.jaxen.dom.DOMXPath;
75 import org.w3c.dom.Document ;
76
77
81 public class StartsWithTest 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 doc.appendChild(doc.createElement("root"));
92 }
93
94
95 public StartsWithTest(String name) {
96 super(name);
97 }
98
99 public void testStartsWithNumber() throws JaxenException
100 {
101 XPath xpath = new DOMXPath( "starts-with(33, '3')" );
102 Boolean result = (Boolean ) xpath.evaluate( doc );
103 assertEquals(Boolean.TRUE, result);
104 }
105
106 public void testStartsWithString() throws JaxenException
107 {
108 XPath xpath = new DOMXPath( "starts-with('test', 't')" );
109 Boolean result = (Boolean ) xpath.evaluate( doc );
110 assertEquals(Boolean.TRUE, result);
111 }
112
113 public void testStartsWithString3() throws JaxenException
114 {
115 XPath xpath = new DOMXPath( "starts-with('superlative', 'superlative')" );
116 Boolean result = (Boolean ) xpath.evaluate( doc );
117 assertEquals(Boolean.TRUE, result);
118 }
119
120 public void testStartsWithNumber2() throws JaxenException
121 {
122 XPath xpath = new DOMXPath( "starts-with(43, '3')" );
123 Boolean result = (Boolean ) xpath.evaluate( doc );
124 assertEquals(Boolean.FALSE, result);
125 }
126
127 public void testStartsWithString2() throws JaxenException
128 {
129 XPath xpath = new DOMXPath( "starts-with('1234567890', '1234567a')" );
130 Boolean result = (Boolean ) xpath.evaluate( doc );
131 assertEquals(Boolean.FALSE, result);
132 }
133
134
135 public void testEmptyStringStartsWithNonEmptyString() throws JaxenException
136 {
137 XPath xpath = new DOMXPath( "starts-with('', 'a')" );
138 Boolean result = (Boolean ) xpath.evaluate( doc );
139 assertEquals(Boolean.FALSE, result);
140 }
141
142 public void testEmptyStringStartsWithEmptyString() throws JaxenException
143 {
144 XPath xpath = new DOMXPath( "starts-with('', '')" );
145 Boolean result = (Boolean ) xpath.evaluate( doc );
146 assertEquals(Boolean.TRUE, result);
147 }
148
149 public void testStartsWithEmptyString() throws JaxenException
150 {
151 XPath xpath = new DOMXPath( "starts-with('a', '')" );
152 Boolean result = (Boolean ) xpath.evaluate( doc );
153 assertEquals(Boolean.TRUE, result);
154 }
155
156 public void testStartsWithFunctionRequiresAtLeastTwoArguments()
157 throws JaxenException {
158
159 BaseXPath xpath = new DOMXPath("starts-with('a')");
160
161 try {
162 xpath.selectNodes(doc);
163 fail("Allowed starts-with function with one argument");
164 }
165 catch (FunctionCallException ex) {
166 assertNotNull(ex.getMessage());
167 }
168
169 }
170
171 public void testStartsWithFunctionRequiresAtMostTwoArguments()
172 throws JaxenException {
173
174 BaseXPath xpath = new DOMXPath("starts-with('a', 'a', 'a')");
175
176 try {
177 xpath.selectNodes(doc);
178 fail("Allowed starts-with function with three arguments");
179 }
180 catch (FunctionCallException ex) {
181 assertNotNull(ex.getMessage());
182 }
183
184 }
185
186 }
187 |
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