websocket-treat-as-public-address.html

<!DOCTYPE html>
<html>
<head>
<link rel="icon" href="data:,">
<title>test websocket connection</title>
<script type="text/javascript">
var url = new URL(location).searchParams.get('url');

// Do connection test.
var ws = new WebSocket(url);

ws.onopen = function()
{
  // Close WebSocket connection once it is established.
  ws.close();
}

ws.onclose = function(event)
{
  // Check wasClean, then set proper title.
  if (event.wasClean)
    document.title = 'PASS';
  else
    document.title = 'FAIL';
}

</script>
</head>
</html>

chromium/chrome/test/data/private_network_access/websocket-treat-as-public-address.html