src/third_party/web_platform_tests/websockets/unload-a-document/005-1.html - cobalt - Git at Google

 <!doctype html>
 <title>WebSockets: navigating nested browsing context with a websocket in top-level</title>
 <script src=../constants.js?pipe=sub></script>
 <script>
 var t = opener.t;
 var assert_unreached = opener.assert_unreached;
 var hasRun = false;
 function run(){
   var ws = new WebSocket(SCHEME_DOMAIN_PORT+'/echo');
   ws.onopen = t.step_func(function(e) {
     setTimeout(t.step_func(function() {
       ws.send('test');
     }), 1000);
     window[0].location = 'data:text/html,<body onload="history.back()">';
     ws.onmessage = t.step_func(function(e) {
       ws.close();
       t.done();
     });
   });
   ws.onerror = ws.onmessage = ws.onclose = t.step_func(function(e) {assert_unreached("Got unexpected event " + e.type)});
 }
 </script>
 <iframe src='data:text/html,foo' onload='if (hasRun) return; hasRun = true; t.step(run)'></iframe>
	<!doctype html>
	<title>WebSockets: navigating nested browsing context with a websocket in top-level</title>
	<script src=../constants.js?pipe=sub></script>
	<script>
	var t = opener.t;
	var assert_unreached = opener.assert_unreached;
	var hasRun = false;
	function run(){
	var ws = new WebSocket(SCHEME_DOMAIN_PORT+'/echo');
	ws.onopen = t.step_func(function(e) {
	setTimeout(t.step_func(function() {
	ws.send('test');
	}), 1000);
	window[0].location = 'data:text/html,<body onload="history.back()">';
	ws.onmessage = t.step_func(function(e) {
	ws.close();
	t.done();
	});
	});
	ws.onerror = ws.onmessage = ws.onclose = t.step_func(function(e) {assert_unreached("Got unexpected event " + e.type)});
	}
	</script>
	<iframe src='data:text/html,foo' onload='if (hasRun) return; hasRun = true; t.step(run)'></iframe>