firefox/accessible/tests/mochitest/treeupdate/test_listbox.xhtml

<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css"
                 type="text/css"?>

<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
        title="Accessible XUL listbox hierarchy tests">

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js" />

  <script type="application/javascript"
          src="../common.js" />
  <script type="application/javascript"
          src="../role.js" />
  <script type="application/javascript"
          src="../events.js" />

  <script type="application/javascript">
  <![CDATA[
    ////////////////////////////////////////////////////////////////////////////
    // Test

    function insertListitem(aListboxID)
    {
      this.listboxNode = getNode(aListboxID);

      this.listitemNode = document.createXULElement("richlistitem");
      var label = document.createXULElement("label");
      label.setAttribute("value", "item1");
      this.listitemNode.appendChild(label);

      this.eventSeq = [
        new invokerChecker(EVENT_SHOW, this.listitemNode),
        new invokerChecker(EVENT_REORDER, this.listboxNode)
      ];

      this.invoke = function insertListitem_invoke()
      {
        this.listboxNode.insertBefore(this.listitemNode,
                                      this.listboxNode.firstChild);
      }

      this.finalCheck = function insertListitem_finalCheck()
      {
        var tree =
          { LISTBOX: [
            {
              role: ROLE_RICH_OPTION,
              name: "item1"
            },
            {
              role: ROLE_RICH_OPTION,
              name: "item2"
            },
            {
              role: ROLE_RICH_OPTION,
              name: "item3"
            },
            {
              role: ROLE_RICH_OPTION,
              name: "item4"
            }
          ] };
        testAccessibleTree(this.listboxNode, tree);
      }

      this.getID = function insertListitem_getID()
      {
        return "insert listitem ";
      }
    }

    function removeListitem(aListboxID)
    {
      this.listboxNode = getNode(aListboxID);
      this.listitemNode = null;
      this.listitem;

      function getListitem(aThisObj)
      {
        return aThisObj.listitem;
      }

      this.eventSeq = [
        new invokerChecker(EVENT_HIDE, getListitem, this),
        new invokerChecker(EVENT_REORDER, this.listboxNode)
      ];

      this.invoke = function removeListitem_invoke()
      {
        this.listitemNode = this.listboxNode.firstChild;
        this.listitem = getAccessible(this.listitemNode);

        this.listboxNode.removeChild(this.listitemNode);
      }

      this.finalCheck = function removeListitem_finalCheck()
      {
        var tree =
          { LISTBOX: [
            {
              role: ROLE_RICH_OPTION,
              name: "item2"
            },
            {
              role: ROLE_RICH_OPTION,
              name: "item3"
            },
            {
              role: ROLE_RICH_OPTION,
              name: "item4"
            }
          ] };
        testAccessibleTree(this.listboxNode, tree);
      }

      this.getID = function removeListitem_getID()
      {
        return "remove listitem ";
      }
    }

    //gA11yEventDumpToConsole = true; // debug stuff

    var gQueue = null;
    function doTest()
    {
      var tree =
        { LISTBOX: [
          {
            role: ROLE_RICH_OPTION,
            name: "item2"
          },
          {
            role: ROLE_RICH_OPTION,
            name: "item3"
          },
          {
            role: ROLE_RICH_OPTION,
            name: "item4"
          }
        ] };
      testAccessibleTree("listbox", tree);

      gQueue = new eventQueue();
      gQueue.push(new insertListitem("listbox"));
      gQueue.push(new removeListitem("listbox"));
      gQueue.invoke(); // Will call SimpleTest.finish()
    }

    SimpleTest.waitForExplicitFinish();
    addA11yLoadEvent(doTest);
  ]]>
  </script>

  <hbox flex="1" style="overflow: auto;">
    <body xmlns="http://www.w3.org/1999/xhtml">
      <a target="_blank"
         href="https://bugzilla.mozilla.org/show_bug.cgi?id=656225"
         title="XUL listbox accessible tree doesn't get updated">
        Mozilla Bug 656225
      </a>
      <br/>
      <p id="display"></p>
      <div id="content" style="display: none">
      </div>
      <pre id="test">
      </pre>
    </body>

    <vbox flex="1">
      <richlistbox id="listbox">
        <richlistitem><label value="item2"/></richlistitem>
        <richlistitem><label value="item3"/></richlistitem>
        <richlistitem><label value="item4"/></richlistitem>
      </richlistbox>
    </vbox>
  </hbox>

</window>