1   /*
2    * Copyright 1999-2004 The Apache Software Foundation
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.apache.commons.jxpath.ri.compiler;
17  
18  import org.apache.commons.jxpath.JXPathTestCase;
19  import org.apache.commons.jxpath.ri.Parser;
20  
21  /***
22   * Tests the determination of whether an expression is context dependent.
23   *
24   * @author Dmitri Plotnikov
25   * @version $Revision: 1.5 $ $Date: 2004/02/29 14:17:42 $
26   */
27  
28  public class ContextDependencyTest extends JXPathTestCase {
29      public ContextDependencyTest(String name) {
30          super(name);
31      }
32  
33      public void testContextDependency() {
34          testContextDependency("1", false);
35          testContextDependency("$x", false);
36          testContextDependency("/foo", false);
37          testContextDependency("foo", true);
38          testContextDependency("/foo[3]", false);
39          testContextDependency("/foo[$x]", false);
40          testContextDependency("/foo[bar]", true);
41          testContextDependency("3 + 5", false);
42          testContextDependency("test:func(3, 5)", true);
43          testContextDependency("test:func(3, foo)", true);
44      }
45  
46      public void testContextDependency(String xpath, boolean expected) {
47          Expression expr =
48              (Expression) Parser.parseExpression(xpath, new TreeCompiler());
49  
50          assertEquals(
51              "Context dependency <" + xpath + ">",
52              expected,
53              expr.isContextDependent());
54      }
55  }