NumberTest xref

    1   /*
    2    * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
    3    *
    4    * This software is open source.
    5    * See the bottom of this file for the licence.
    6    */
    7
    8   package org.dom4j.xpath;
    9
    10  import junit.textui.TestRunner;
    11
    12  import org.dom4j.AbstractTestCase;
    13  import org.dom4j.Node;
    14  import org.dom4j.XPath;
    15
    16  /***
    17   * Test harness for numeric XPath expressions
    18   *
    19   * @author <a href="mailto:james.strachan@metastuff.com">James Strachan </a>
    20   * @version $Revision: 1.3 $
    21   */
    22  public class NumberTest extends AbstractTestCase {
    23      protected static String[] paths = {"2+2", "2 + 2", "2 + number(1) + 2",
    24              "number(1) * 2", "2 + count(//author) + 2", "2 + (2 * 5)",
    25              "count(//author) + count(//author/attribute::*)",
    26              "(12 + count(//author) + count(//author/attribute::*)) div 2",
    27              "count(//author)", "count(//author/attribute::*)",
    28              "2 + number(1) * 2", "count(descendant::author)",
    29              "count(ancestor::author)", "count(descendant::*)",
    30              "count(descendant::author)+1", "count(ancestor::*)",
    31              "10 + count(ancestor-or-self::author) + 5",
    32              "10 + count(descendant::author) * 5",
    33              "10 + (count(descendant::author) * 5)"};
    34
    35      public static void main(String[] args) {
    36          TestRunner.run(NumberTest.class);
    37      }
    38
    39      // Test case(s)
    40      // -------------------------------------------------------------------------
    41      public void testXPaths() throws Exception {
    42          Node element = document.selectSingleNode("//author");
    43          int size = paths.length;
    44
    45          for (int i = 0; i < size; i++) {
    46              testXPath(document, paths[i]);
    47              testXPath(element, paths[i]);
    48          }
    49
    50          log("Finished successfully");
    51      }
    52
    53      // Implementation methods
    54      // -------------------------------------------------------------------------
    55      protected void testXPath(Node node, String xpathText) throws Exception {
    56          try {
    57              XPath xpath = node.createXPath(xpathText);
    58
    59              Number number = xpath.numberValueOf(node);
    60
    61              log("Searched path: " + xpathText + " found: " + number);
    62          } catch (Throwable e) {
    63              log("Caught exception: " + e);
    64              e.printStackTrace();
    65              assertTrue("Failed to process:  " + xpathText
    66                      + " caught exception: " + e, false);
    67          }
    68      }
    69  }
    70
    71  /*
    72   * Redistribution and use of this software and associated documentation
    73   * ("Software"), with or without modification, are permitted provided that the
    74   * following conditions are met:
    75   *
    76   * 1. Redistributions of source code must retain copyright statements and
    77   * notices. Redistributions must also contain a copy of this document.
    78   *
    79   * 2. Redistributions in binary form must reproduce the above copyright notice,
    80   * this list of conditions and the following disclaimer in the documentation
    81   * and/or other materials provided with the distribution.
    82   *
    83   * 3. The name "DOM4J" must not be used to endorse or promote products derived
    84   * from this Software without prior written permission of MetaStuff, Ltd. For
    85   * written permission, please contact dom4j-info@metastuff.com.
    86   *
    87   * 4. Products derived from this Software may not be called "DOM4J" nor may
    88   * "DOM4J" appear in their names without prior written permission of MetaStuff,
    89   * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
    90   *
    91   * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
    92   *
    93   * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
    94   * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    95   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    96   * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
    97   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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    100  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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    102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    103  * POSSIBILITY OF SUCH DAMAGE.
    104  *
    105  * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
    106  */