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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<script>
  const ok = window.opener.ok;

  SpecialPowers.getDOMWindowUtils(window).setDynamicToolbarMaxHeight(100);
  ok(window.visualViewport.width > 0,
     "Setting the dynamic toolbar max height shouldn't clobber the visual " +
     "viewport size");
  ok(window.visualViewport.height > 0,
     "Setting the dynamic toolbar max height shouldn't clobber the visual " +
     "viewport size");

  window.opener.next();
  window.close();
</script>
</body>
</html>