<html>
  <head>
    <script>
    onpageshow = function(pageShowEvent) {
      if (location.hostname == "example.com" ||
          location.hostname == "test1.mochi.test") {
        // BroadcastChannel doesn't work across domains, so just go to the
        // previous page explicitly.
        history.back();
        return;
      }

      var bc = new BroadcastChannel("bug1706090");
      bc.onmessage = function(event) {
        if (event.data == "close") {
          bc.postMessage("closed");
          bc.close();
          window.close();
        } else if (event.data == "sameOrigin") {
          bc.close();
          location.href = location.href + "?foo"
        } else if (event.data == "back") {
          history.back();
        } else if (event.data == "crossOrigin") {
          bc.close();
          location.href = "https://example.com:443" + location.pathname;
        } else if (event.data == "sameSite") {
          bc.close();
          // eslint-disable-next-line @microsoft/sdl/no-insecure-url
          location.href = "http://test1.mochi.test:8888" + location.pathname;
        }
      }

      bc.postMessage({type: pageShowEvent.type, persisted: pageShowEvent.persisted});
    }
    </script>
  </head>
  <body onunload="/* dummy listener*/">
  </body>
</html>
