    1   /*
    2    * $Header$
    3    * $Revision$
    4    * $Date$
    5    *
    6    * ====================================================================
    7    *
    8    * Copyright (C) 2000-2002 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
    13   * are met:
    14   *
    15   * 1. Redistributions of source code must retain the above copyright
    16   *    notice, this list of conditions, and the following disclaimer.
    17   *
    18   * 2. Redistributions in binary form must reproduce the above copyright
    19   *    notice, this list of conditions, and the disclaimer that follows
    20   *    these conditions in the documentation and/or other materials
    21   *    provided with the distribution.
    22   *
    23   * 3. The name "Jaxen" must not be used to endorse or promote products
    24   *    derived from this software without prior written permission.  For
    25   *    written permission, please contact license@jaxen.org.
    26   *
    27   * 4. Products derived from this software may not be called "Jaxen", nor
    28   *    may "Jaxen" appear in their name, without prior written permission
    29   *    from the Jaxen Project Management (pm@jaxen.org).
    30   *
    31   * In addition, we request (but do not require) that you include in the
    32   * end-user documentation provided with the redistribution and/or in the
    33   * software itself an acknowledgement equivalent to the following:
    34   *     "This product includes software developed by the
    35   *      Jaxen Project (http://www.jaxen.org/)."
    36   * Alternatively, the acknowledgment may be graphical using the logos
    37   * available at http://www.jaxen.org/
    38   *
    39   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
    40   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    41   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    42   * DISCLAIMED.  IN NO EVENT SHALL THE Jaxen AUTHORS OR THE PROJECT
    43   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    44   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    45   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
    46   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
    47   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    48   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
    49   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    50   * SUCH DAMAGE.
    51   *
    52   * ====================================================================
    53   * This software consists of voluntary contributions made by many
    54   * individuals on behalf of the Jaxen Project and was originally
    55   * created by bob mcwhirter <bob@werken.com> and
    56   * James Strachan <jstrachan@apache.org>.  For more information on the
    57   * Jaxen Project, please see <http://www.jaxen.org/>.
    58   *
    59   * $Id$
    60   */
    61
    62
    63
    64  package org.jaxen.expr;
    65
    66  import java.io.IOException;
    67  import java.io.StringReader;
    68  import java.util.List;
    69
    70  import javax.xml.parsers.DocumentBuilderFactory;
    71  import javax.xml.parsers.ParserConfigurationException;
    72
    73  import org.jaxen.JaxenException;
    74  import org.jaxen.dom.DOMXPath;
    75  import org.w3c.dom.Document;
    76  import org.w3c.dom.Element;
    77  import org.xml.sax.InputSource;
    78  import org.xml.sax.SAXException;
    79
    80  import junit.framework.TestCase;
    81
    82  /***
    83   * <p>
    84   *  Test for function context.
    85   * </p>
    86   *
    87   * @author Elliotte Rusty Harold
    88   * @version 1.1b4
    89   *
    90   */
    91  public class EqualsTest extends TestCase
    92  {
    93
    94      public void testEqualityAgainstNonExistentNodes()
    95        throws JaxenException, ParserConfigurationException {
    96
    97          DOMXPath xpath = new DOMXPath("/a/b[c = ../d]");
    98
    99          DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    100         factory.setNamespaceAware(true);
    101         Document doc = factory.newDocumentBuilder().newDocument();
    102         Element root = doc.createElement("a");
    103         doc.appendChild(root);
    104         Element b = doc.createElement("b");
    105         root.appendChild(b);
    106         Element c = doc.createElement("c");
    107         b.appendChild(c);
    108
    109         List result = (List) xpath.evaluate(doc);
    110         assertEquals(0, result.size());
    111
    112     }
    113
    114     public void testOlander()
    115       throws JaxenException, SAXException, IOException, ParserConfigurationException {
    116
    117         DOMXPath xpath = new DOMXPath("//BlockStatement//IfStatement[./Statement =  ./ancestor::BlockStatement/following-sibling::BlockStatement//IfStatement/Statement]");
    118
    119         String data = "<?xml version='1.0'?><Block><BlockStatement><LocalVariableDeclaration><Type><PrimitiveType>boolean</PrimitiveType></Type><VariableDeclarator><VariableDeclaratorId/></VariableDeclarator><VariableDeclarator><VariableDeclaratorId/></VariableDeclarator></LocalVariableDeclaration></BlockStatement><BlockStatement><Statement><IfStatement><Expression><PrimaryExpression><PrimaryPrefix><Name>a</Name></PrimaryPrefix></PrimaryExpression></Expression><Statement><StatementExpression><PrimaryExpression><PrimaryPrefix><Name>methodB</Name></PrimaryPrefix><PrimarySuffix><Arguments/></PrimarySuffix></PrimaryExpression></StatementExpression></Statement></IfStatement></Statement></BlockStatement><BlockStatement><Statement><IfStatement><Expression><PrimaryExpression><PrimaryPrefix><Name>b</Name></PrimaryPrefix></PrimaryExpression></Expression><Statement><StatementExpression><PrimaryExpression><PrimaryPrefix><Name>methodB</Name></PrimaryPrefix><PrimarySuffix><Arguments/></PrimarySuffix></PrimaryExpression></StatementExpression></Statement></IfStatement></Statement></BlockStatement></Block>";
    120         StringReader reader = new StringReader(data);
    121         InputSource in = new InputSource(reader);
    122
    123         DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    124         factory.setNamespaceAware(true);
    125         Document doc = factory.newDocumentBuilder().parse(in);
    126
    127         List result = (List) xpath.evaluate(doc);
    128         assertEquals(1, result.size());
    129
    130     }
    131
    132 }