NullAttributesTest 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;
    9
    10  import junit.textui.TestRunner;
    11
    12  /***
    13   * Tests the use of null attribute values
    14   *
    15   * @author <a href="mailto:jstrachan@apache.org">James Strachan </a>
    16   * @version $Revision: 1.3 $
    17   */
    18  public class NullAttributesTest extends AbstractTestCase {
    19      protected DocumentFactory factory = DocumentFactory.getInstance();
    20
    21      protected Document document = factory.createDocument();
    22
    23      protected Element element = document.addElement("root");
    24
    25      public static void main(String[] args) {
    26          TestRunner.run(NullAttributesTest.class);
    27      }
    28
    29      // Test case(s)
    30      // -------------------------------------------------------------------------
    31      public void testStringNames() throws Exception {
    32          element.addAttribute("foo", null);
    33
    34          Attribute attribute = element.attribute("foo");
    35          assertTrue(attribute == null);
    36
    37          element.addAttribute("foo", "123");
    38          attribute = element.attribute("foo");
    39          assertTrue(attribute != null);
    40
    41          element.addAttribute("foo", null);
    42          attribute = element.attribute("foo");
    43          assertTrue(attribute == null);
    44      }
    45
    46      public void testQNames() throws Exception {
    47          QName bar = QName.get("bar");
    48
    49          element.addAttribute(bar, null);
    50
    51          Attribute attribute = element.attribute(bar);
    52          assertTrue(attribute == null);
    53
    54          element.addAttribute(bar, "123");
    55          attribute = element.attribute(bar);
    56          assertTrue(attribute != null);
    57
    58          element.addAttribute(bar, null);
    59          attribute = element.attribute(bar);
    60          assertTrue(attribute == null);
    61      }
    62
    63      public void testAttributes() throws Exception {
    64          Attribute attribute = factory.createAttribute(element, "v", null);
    65
    66          assertTrue(attribute.getText() == null);
    67          assertTrue(attribute.getValue() == null);
    68
    69          element.add(attribute);
    70          attribute = element.attribute("v");
    71          assertTrue(attribute == null);
    72
    73          attribute = factory.createAttribute(element, "v", "123");
    74          element.add(attribute);
    75          attribute = element.attribute("v");
    76          assertTrue(attribute != null);
    77
    78          attribute = factory.createAttribute(element, "v", null);
    79          element.add(attribute);
    80          attribute = element.attribute("v");
    81          assertTrue(attribute == null);
    82      }
    83  }
    84
    85  /*
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    107  * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
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    118  *
    119  * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
    120  */