1 /*
2 * $Header$
3 * $Revision: 1277 $
4 * $Date: 2007-01-05 10:25:43 -0800 (Fri, 05 Jan 2007) $
5 *
6 * ====================================================================
7 *
8 * Copyright 2007 bob mcwhirter & James Strachan.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions are
13 * met:
14 *
15 * * Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 *
18 * * Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 *
22 * * Neither the name of the Jaxen Project nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
27 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
29 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
30 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
31 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
32 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
33 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
34 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
35 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
36 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 *
38 * ====================================================================
39 * This software consists of voluntary contributions made by many
40 * individuals on behalf of the Jaxen Project and was originally
41 * created by bob mcwhirter <bob@werken.com> and
42 * James Strachan <jstrachan@apache.org>. For more information on the
43 * Jaxen Project, please see <http://www.jaxen.org/>.
44 *
45 * $Id: BinaryExprTest.java 1277 2007-01-05 18:25:43Z elharo $
46 */
47
48
49
50 package org.jaxen.test;
51
52 import javax.xml.parsers.ParserConfigurationException;
53
54 import org.jaxen.JaxenException;
55 import org.jaxen.dom.DOMXPath;
56
57 import junit.framework.TestCase;
58
59 /**
60 * <p>
61 * Test for various kinds of binary expressions.
62 * </p>
63 *
64 * @author Elliotte Rusty Harold
65 * @version 1.1.1
66 *
67 */
68 public class BinaryExprTest extends TestCase
69 {
70
71 public void testBooleanPrecedence()
72 throws JaxenException, ParserConfigurationException {
73
74 // Note how the parentheses change the precedence and the result
75 DOMXPath xpath1 = new DOMXPath("false() and (false() or true())");
76 Boolean result1 = (Boolean) xpath1.evaluate(null);
77 assertFalse(result1.booleanValue());
78 DOMXPath xpath2 = new DOMXPath("false() and false() or true()");
79 Boolean result2 = (Boolean) xpath2.evaluate(null);
80 assertTrue(result2.booleanValue());
81
82 String expr = xpath1.getRootExpr().getText();
83 DOMXPath xpath3 = new DOMXPath(expr);
84 Boolean result3 = (Boolean) xpath3.evaluate(null);
85 assertEquals(expr, result1, result3);
86 assertFalse(expr, result3.booleanValue());
87
88 }
89
90 }