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<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>Test for Bug 919437</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=919437">Mozilla Bug 919437</a>
<div id="content" style="display: none"></div>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 919437 **/

SimpleTest.waitForExplicitFinish();

function run()
{
  var oldWidth = window.innerWidth;
  var oldHeight = window.innerHeight;
  var newWidth = oldWidth / 2;
  var newHeight = oldHeight / 2;

  var utils = SpecialPowers.getDOMWindowUtils(window);
  utils.setVisualViewportSize(newWidth, newHeight);
  is(window.innerWidth, oldWidth, "innerWidth unaffected by changes to visual viewport size");
  is(window.innerHeight, oldHeight, "innerHeight unaffected by changes to visual viewport size");

  SimpleTest.finish();
}

window.addEventListener("load", run);

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