<!DOCTYPE html>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=417760
-->
<head>
  <title>cannot focus() img with tabindex="-1"</title>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
  <style type="text/css">
    img {
      border: 5px solid white;
    }
    img:focus {
      border: 5px solid black;
    }
  </style>


  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <script type="text/javascript">
    function checkFocus(aExpected, aTabIndex)
    {
      elemCurr = document.activeElement.getAttribute("id");
      is(elemCurr, aExpected, "Element with tabIndex " + aTabIndex 
         + " did not receive focus!");
    }

    function doTest()
    {
      // First, test img with tabindex = 0
      document.getElementById("img-tabindex-0").focus();
      checkFocus("img-tabindex-0", 0);

      // now test the img with tabindex = -1
      document.getElementById("img-tabindex-minus-1").focus();
      checkFocus("img-tabindex-minus-1", -1);

      // now test the img without tabindex, should NOT receive focus!
      document.getElementById("img-no-tabindex").focus();
      checkFocus("img-tabindex-minus-1", null);

      SimpleTest.finish();
    }

    SimpleTest.waitForExplicitFinish();
    addLoadEvent(doTest);
  </script>
</head>

<body>

  <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=417760">Mozilla Bug 417760</a>
  <p id="display"></p>
  <div id="content" style="display: none"></div>
  <pre id="test">
  </pre>
  <br>img tabindex="0":
  <img id="img-tabindex-0"
    src="file_bug417760.png"
    alt="MoCo logo" tabindex="0"/>
  <br>img tabindex="-1":
  <img id="img-tabindex-minus-1"
    src="file_bug417760.png"
    alt="MoCo logo" tabindex="-1"/>
  <br>img without tabindex:
  <img id="img-no-tabindex"
    src="file_bug417760.png"
    alt="MoCo logo"/>
</body>
</html>
