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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1248128
-->
<head>
  <meta charset="utf-8">
  <title>Test for Bug 1248128</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
  <script type="application/javascript">

  SimpleTest.waitForExplicitFinish();

  SimpleTest.waitForFocus(function() {
    var outer = document.querySelector("html");
    ok(outer.scrollTop == 0, "scrollTop is zero: got " + outer.scrollTop);

    var input = document.getElementById("testInput");
    input.focus();

    var scroll = outer.scrollTop;
    ok(scroll > 0, "element has scrolled: new value " + scroll);

    try {
      SpecialPowers.doCommand(window, "cmd_moveLeft");
      ok(false, "should not be able to do kMoveLeft");
    } catch (e) {
      ok(true, "unable to perform kMoveLeft");
    }

    ok(outer.scrollTop == scroll,
       "scroll is unchanged: got " + outer.scrollTop + ", expected " + scroll);

    // Make sure cmd_moveLeft isn't failing for some unrelated reason
    sendString("a");
    is(input.selectionStart, 1, "selectionStart after typing");
    SpecialPowers.doCommand(window, "cmd_moveLeft");
    is(input.selectionStart, 0, "selectionStart after move left");

    SimpleTest.finish();
  });
  </script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1248128">Mozilla Bug 1248128</a>
<div style="height: 2000px;"></div>
<input type="text" id="testInput"></input>
<div style="height: 200px;"></div>
</body>
</html>