View Javadoc
1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.jxpath.ri.compiler;
18  
19  import org.apache.commons.jxpath.JXPathTestCase;
20  import org.apache.commons.jxpath.ri.Parser;
21  
22  /**
23   * Tests the determination of whether an expression is context dependent.
24   *
25   * @author Dmitri Plotnikov
26   * @version $Revision: 652845 $ $Date: 2008-05-02 19:46:46 +0200 (Fr, 02 Mai 2008) $
27   */
28  public class ContextDependencyTest extends JXPathTestCase {
29  
30      public void testContextDependency() {
31          testContextDependency("1", false);
32          testContextDependency("$x", false);
33          testContextDependency("/foo", false);
34          testContextDependency("foo", true);
35          testContextDependency("/foo[3]", false);
36          testContextDependency("/foo[$x]", false);
37          testContextDependency("/foo[bar]", true);
38          testContextDependency("3 + 5", false);
39          testContextDependency("test:func(3, 5)", true);
40          testContextDependency("test:func(3, foo)", true);
41      }
42  
43      public void testContextDependency(String xpath, boolean expected) {
44          Expression expr = (Expression) Parser.parseExpression(xpath, new TreeCompiler());
45  
46          assertEquals("Context dependency <" + xpath + ">", expected, expr.isContextDependent());
47      }
48  }