/*
* $Header$
* $Revision$
* $Date$
*
* ====================================================================
*
* Copyright 2005 Elliotte Rusty Harold.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of the Jaxen Project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ====================================================================
* This software consists of voluntary contributions made by many
* individuals on behalf of the Jaxen Project and was originally
* created by bob mcwhirter <bob@werken.com> and
* James Strachan <jstrachan@apache.org>. For more information on the
* Jaxen Project, please see <http://www.jaxen.org/>.
*
* $Id$
*/
package org.jaxen.test;
import java.util.List;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import junit.framework.TestCase;
import org.jaxen.BaseXPath;
import org.jaxen.FunctionCallException;
import org.jaxen.JaxenException;
import org.jaxen.dom.DOMXPath;
import org.w3c.dom.Document;
/**
* @author Elliotte Rusty Harold
*
*/
public class NotTest extends TestCase {
private Document doc;
public void setUp() throws ParserConfigurationException
{
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
DocumentBuilder builder = factory.newDocumentBuilder();
doc = builder.newDocument();
doc.appendChild(doc.createElement("root"));
}
public NotTest(String name) {
super(name);
}
public void testZeroIsFalse()
throws JaxenException {
BaseXPath xpath = new DOMXPath("not(0)");
List result = xpath.selectNodes(doc);
assertEquals(1, result.size());
assertEquals(Boolean.TRUE, result.get(0));
}
public void testOneIsTrue()
throws JaxenException {
BaseXPath xpath = new DOMXPath("not(1)");
List result = xpath.selectNodes(doc);
assertEquals(1, result.size());
assertEquals(Boolean.FALSE, result.get(0));
}
public void testEmptyStringIsFalse()
throws JaxenException {
BaseXPath xpath = new DOMXPath("not('')");
List result = xpath.selectNodes(doc);
assertEquals(1, result.size());
assertEquals(Boolean.TRUE, result.get(0));
}
public void testNaNIsFalse()
throws JaxenException {
BaseXPath xpath = new DOMXPath("not(0 div 0)");
Object result = xpath.evaluate(null);
assertEquals(Boolean.TRUE, result);
}
public void testNonEmptyStringIsTrue()
throws JaxenException {
BaseXPath xpath = new DOMXPath("not('false')");
List result = xpath.selectNodes(doc);
assertEquals(1, result.size());
assertEquals(Boolean.FALSE, result.get(0));
}
public void testNotFunctionRequiresOneArgument()
throws JaxenException {
BaseXPath xpath = new DOMXPath("not()");
try {
xpath.selectNodes(doc);
fail("Allowed not() function with no arguments");
}
catch (FunctionCallException ex) {
assertNotNull(ex.getMessage());
}
}
public void testNotFunctionRequiresExactlyOneArgument()
throws JaxenException {
BaseXPath xpath = new DOMXPath("not('', '')");
try {
xpath.selectNodes(doc);
fail("Allowed not() function with two arguments");
}
catch (FunctionCallException ex) {
assertNotNull(ex.getMessage());
}
}
}