test_ariahidden.html

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<html>

<head>

  <title>aria-hidden tree update tests</title>

  <link rel="stylesheet" type="text/css"

        href="chrome://mochikit/content/tests/SimpleTest/test.css" />

  <script 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">

    async function doTests() {

      ok(!isAccessible("t1_child"), "No accessible for aria-hidden");

      let reordered = waitForEvent(EVENT_REORDER, "t1");

      getNode("t1_child").removeAttribute("aria-hidden");

      await reordered;

      ok(isAccessible("t1_child"), "No aria-hidden, has to be accessible");

      reordered = waitForEvent(EVENT_REORDER, "t1");

      getNode("t1_child").setAttribute("aria-hidden", "true");

      await reordered;

      ok(!isAccessible("t1_child"), "No accessible for aria-hidden");

      reordered = waitForEvent(EVENT_REORDER, "t2");

      getNode("t2_child").setAttribute("aria-hidden", "true");

      await reordered;

      testAccessibleTree("t2", { SECTION: []});

      let unexpected = new UnexpectedEvents([[EVENT_REORDER, "t2"]]);

      getNode("t2_child").innerHTML = "<input>";

      await unexpected.flush();

      unexpected.stop();

      testAccessibleTree("t2", { SECTION: []});

      SimpleTest.finish();

    SimpleTest.waitForExplicitFinish();

    addA11yLoadEvent(doTests);

  </script>

</head>

<body>

  <p id="display"></p>

  <div id="content" style="display: none"></div>

  <pre id="test">

  </pre>

  <div id="t1"><div id="t1_child" aria-hidden="true">Hi</div><div>there</div></div>

  <div id="t2">

    <span id="t2_child">hoho</span>

  </div>

</body>

</html>