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<html>

<head>
  <title>Test hide/show events on event listener changes</title>
  <link rel="stylesheet" type="text/css"
        href="chrome://mochikit/content/tests/SimpleTest/test.css" />

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

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

  <script type="application/javascript">

    function dummyListener() {}

    function testAddListener()
    {
      this.eventSeq = [
        new invokerChecker(EVENT_SHOW, getNode("parent")),
      ];

      this.invoke = function testAddListener_invoke()
      {
        is(getAccessible("parent", null, null, DONOTFAIL_IF_NO_ACC), null, "Check that parent is not accessible.");
        is(getAccessible("child", null, null, DONOTFAIL_IF_NO_ACC), null, "Check that child is not accessible.");
        getNode("parent").addEventListener("click", dummyListener);
      }

      this.finalCheck = function testAddListener_finalCheck()
      {
        var tree = { TEXT: [] };
        testAccessibleTree("parent", tree);
      }

      this.getID = function testAddListener_getID()
      {
        return "Test that show event is sent when click listener is added";
      }
    }

    function testRemoveListener()
    {
      this.eventSeq = [
        new unexpectedInvokerChecker(EVENT_HIDE, getNode("parent")),
      ];

      this.invoke = function testRemoveListener_invoke()
      {
        getNode("parent").removeEventListener("click", dummyListener);
      }

      this.finalCheck = function testRemoveListener_finalCheck()
      {
        ok(getAccessible("parent", null, null, DONOTFAIL_IF_NO_ACC),
           "Parent stays accessible after click event listener is removed");
        ok(!getAccessible("child", null, null, DONOTFAIL_IF_NO_ACC),
           "Child stays inaccessible");
      }

      this.getID = function testRemoveListener_getID()
      {
        return "Test that hide event is sent when click listener is removed";
      }
    }

    var gQueue = null;
    function doTest()
    {
      gQueue = new eventQueue();
      gQueue.push(new testAddListener());
      gQueue.push(new testRemoveListener());
      gQueue.invoke(); // SimpleTest.finish();
    }

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

</head>

<body>

  <a target="_blank"
     href="https://bugzilla.mozilla.org/show_bug.cgi?id=1175913"
     title="Crash in mozilla::a11y::DocAccessibleParent::RemoveAccessible(ProxyAccessible* aAccessible)">
    Mozilla Bug 1175913
  </a>
  <p id="display"></p>
  <div id="content" style="display: none"></div>
  <pre id="test">
  </pre>

  <span id="parent">
      <span id="child">
      </span>
  </span>

</body>
</html>