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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=586662
-->

<head>
  <title>Test for Bug 586662</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <script src="/tests/SimpleTest/EventUtils.js"></script>  
</head>

<body>
  <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=586662">Mozilla Bug 586662</a>
  <p id="display"><textarea onkeypress="this.style.overflow = 'hidden'"></textarea></p>
  <div id="content" style="display: none">
  </div>

  <pre id="test">
    <script type="application/javascript">

SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(function() {
  var t = document.querySelector("textarea");
  t.focus();
  sendString("a");
  is(getComputedStyle(t, null).overflow, "hidden", "The event handler should be executed");
  is(t.value, "a", "The key entry should result in a character being added to the field");

  var win = window.open("file_bug586662.html", "_blank",
                        "width=600,height=600,scrollbars=yes");
  SimpleTest.waitForFocus(function() {
    // Make sure that focusing the textarea will cause the page to scroll
    var ed = win.document.getElementById("editor");
    ed.focus();
    setTimeout(function() {
      isnot(win.scrollY, 0, "Page is scrolled down");
      // Scroll back up
      win.scrollTo(0, 0);
      setTimeout(function() {
        is(win.scrollY, 0, "Page is scrolled back up");
        // Make sure that typing something into the textarea will cause the
        // page to scroll down
        synthesizeKey("a", {}, win);
        requestAnimationFrame(function() {
          requestAnimationFrame(function() {
            isnot(win.scrollY, 0, "Page is scrolled down again");

            win.close();
            SimpleTest.finish();
          });
        });
      }, 0);
    }, 0);
  }, win);
});

   </script>
  </pre>
</body>
</html>