    1   /*
    2    * $Header$
    3    * $Revision$
    4    * $Date$
    5    *
    6    * ====================================================================
    7    *
    8    * Copyright (C) 2005 Elliotte Rusty Harold.
    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  package org.jaxen.function;
    63
    64  import javax.xml.parsers.DocumentBuilder;
    65  import javax.xml.parsers.DocumentBuilderFactory;
    66  import javax.xml.parsers.ParserConfigurationException;
    67
    68  import junit.framework.TestCase;
    69
    70  import org.jaxen.FunctionCallException;
    71  import org.jaxen.JaxenException;
    72  import org.jaxen.XPath;
    73  import org.jaxen.dom.DOMXPath;
    74  import org.w3c.dom.Document;
    75
    76  /***
    77   * @author Elliotte Rusty Harold
    78   *
    79   */
    80  public class FalseTest extends TestCase {
    81
    82      private Document doc;
    83
    84      public void setUp() throws ParserConfigurationException
    85      {
    86          DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    87          factory.setNamespaceAware(true);
    88          DocumentBuilder builder = factory.newDocumentBuilder();
    89          doc = builder.newDocument();
    90          doc.appendChild(doc.createElement("root"));
    91      }
    92
    93
    94      public FalseTest(String name) {
    95          super(name);
    96      }
    97
    98      public void testFalseOfNumber() throws JaxenException
    99      {
    100         try
    101         {
    102             XPath xpath = new DOMXPath( "false(3)" );
    103             xpath.selectNodes( doc );
    104             fail("false() function took arguments");
    105         }
    106         catch (FunctionCallException e)
    107         {
    108             assertEquals("false() requires no arguments.", e.getMessage());
    109         }
    110     }
    111
    112     public void testFalse() throws JaxenException
    113     {
    114         XPath xpath = new DOMXPath( "false()" );
    115         Object result = xpath.evaluate( doc );
    116         assertEquals(Boolean.FALSE, result);
    117     }
    118
    119 }