/*
 * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
 *
 * This software is open source.
 * See the bottom of this file for the licence.
 */

package org.dom4j.xpath;

import org.dom4j.AbstractTestCase;
import org.dom4j.Node;
import org.dom4j.XPath;

/**
 * Test harness for numeric XPath expressions
 * 
 * @author <a href="mailto:james.strachan@metastuff.com">James Strachan </a>
 * @version $Revision: 1.3 $
 */
public class NumberTest extends AbstractTestCase {
    protected static String[] paths = {"2+2", "2 + 2", "2 + number(1) + 2",
            "number(1) * 2", "2 + count(//author) + 2", "2 + (2 * 5)",
            "count(//author) + count(//author/attribute::*)",
            "(12 + count(//author) + count(//author/attribute::*)) div 2",
            "count(//author)", "count(//author/attribute::*)",
            "2 + number(1) * 2", "count(descendant::author)",
            "count(ancestor::author)", "count(descendant::*)",
            "count(descendant::author)+1", "count(ancestor::*)",
            "10 + count(ancestor-or-self::author) + 5",
            "10 + count(descendant::author) * 5",
            "10 + (count(descendant::author) * 5)"};

    // Test case(s)
    // -------------------------------------------------------------------------
    public void testXPaths() throws Exception {
        Node element = document.selectSingleNode("//author");
        int size = paths.length;

        for (int i = 0; i < size; i++) {
            testXPath(document, paths[i]);
            testXPath(element, paths[i]);
        }

        log("Finished successfully");
    }

    // Implementation methods
    // -------------------------------------------------------------------------
    protected void testXPath(Node node, String xpathText) throws Exception {
        try {
            XPath xpath = node.createXPath(xpathText);

            Number number = xpath.numberValueOf(node);

            log("Searched path: " + xpathText + " found: " + number);
        } catch (Throwable e) {
            log("Caught exception: " + e);
            e.printStackTrace();
            assertTrue("Failed to process:  " + xpathText
                    + " caught exception: " + e, false);
        }
    }
}

/*
 * Redistribution and use of this software and associated documentation
 * ("Software"), with or without modification, are permitted provided that the
 * following conditions are met:
 * 
 * 1. Redistributions of source code must retain copyright statements and
 * notices. Redistributions must also contain a copy of this document.
 * 
 * 2. 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.
 * 
 * 3. The name "DOM4J" must not be used to endorse or promote products derived
 * from this Software without prior written permission of MetaStuff, Ltd. For
 * written permission, please contact dom4j-info@metastuff.com.
 * 
 * 4. Products derived from this Software may not be called "DOM4J" nor may
 * "DOM4J" appear in their names without prior written permission of MetaStuff,
 * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
 * 
 * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
 * 
 * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESSED 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 METASTUFF, LTD. OR ITS 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.
 * 
 * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
 */
