<!DOCTYPE HTML>
<html>
<head>
  <script>
    window.onpagehide = function(event) {
      opener.is(event.persisted, false, "Should have disabled bfcache for this test.");
    }

    window.onpageshow = function(event) {
      opener.pageshow();
    }
  </script>
</head>
<body>
</body>
</html>
