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<html>
<head>
  <title>Test for Bug 1230665</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<script>
SimpleTest.waitForExplicitFinish();

SimpleTest.waitForFocus(function() {
  document.getElementById("flexbutton1").focus();
  synthesizeKey("VK_TAB", { });
  var e = document.getElementById("flexbutton2");
  is(document.activeElement, e, "focus in flexbutton2 after TAB");

  document.getElementById("gridbutton1").focus();
  synthesizeKey("VK_TAB", { });
  e = document.getElementById("gridbutton2");
  is(document.activeElement, e, "focus in gridbutton2 after TAB");

  SimpleTest.finish();
});

</script>

<div tabindex="0" style="display:flex">
  <button id="flexbutton1"></button>
  text <!-- this text will force a :-moz-anonymous-flex-item frame -->
  <div style="">
    <button id="flexbutton2"></button>
  </div>
</div>


<div tabindex="0" style="display:grid">
  <button id="gridbutton1"></button>
  text <!-- this text will force a :-moz-anonymous-grid-item frame -->
  <div style="">
    <button id="gridbutton2"></button>
  </div>
</div>

</body>
</html>