1 /* 2 * $Header: /home/projects/jaxen/scm/jaxen/src/java/test/org/jaxen/test/BinaryExprTest.java,v 1.2 2007/01/05 18:25:26 elharo Exp $ 3 * $Revision: 1.2 $ 4 * $Date: 2007/01/05 18:25:26 $ 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,v 1.2 2007/01/05 18:25:26 elharo Exp $ 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 }