ManualTests/eventsource/eventsource-loader-buffering.html - WebKit - Git at Google

 <!doctype html>
 <html>
 <head>
 <title>EventSource Loader Buffering</title>
 <script>
 window.onload = function () {
     setTimeout(test_es, 500);
 };

 function test_es() {
     var len = 0;
     var count = 0;
     var step = 1000;
     var es = new EventSource("eventsource-loader-buffering.php");
     es.onopen = function () {
         log("got 'open' event");
         log("waiting for the first " + step + " 'message' events");
     };
     es.onmessage = function (evt) {
         len += evt.data.length;
         if (++count % step)
             return;
         log("got " + count + " 'message' events (" + len + " characters)", 1);
         if (len >= 1e9)
             end();
     };
     es.onerror = function () {
         log("got 'error' event");
         end();
     };
     function end() {
         if (es.readyState != es.CLOSED)
             es.close();
         log("ENDED");
     };
 }

 function log(message, updateLast) {
     if (!log.list)
         log.list = document.getElementById("log");
     var text = document.createTextNode(message);
     if (updateLast)
         log.list.lastChild.replaceChild(text, log.list.lastChild.firstChild);
     else
         log.list.appendChild(document.createElement("li")).appendChild(text);
 }
 </script>
 </head>
 <body>
 <p>Manual test to verify that the EventSource loader does not buffer data (may result in memory growth with long lived connections). Monitor memory usage; it should be stable. This file has to be served from the same web server as the php script with the same name.</p>
 <ul id="log" style="list-style-type: none"></ul>
 </body>
 </html>
	<!doctype html>
	<html>
	<head>
	<title>EventSource Loader Buffering</title>
	<script>
	window.onload = function () {
	setTimeout(test_es, 500);
	};

	function test_es() {
	var len = 0;
	var count = 0;
	var step = 1000;
	var es = new EventSource("eventsource-loader-buffering.php");
	es.onopen = function () {
	log("got 'open' event");
	log("waiting for the first " + step + " 'message' events");
	};
	es.onmessage = function (evt) {
	len += evt.data.length;
	if (++count % step)
	return;
	log("got " + count + " 'message' events (" + len + " characters)", 1);
	if (len >= 1e9)
	end();
	};
	es.onerror = function () {
	log("got 'error' event");
	end();
	};
	function end() {
	if (es.readyState != es.CLOSED)
	es.close();
	log("ENDED");
	};
	}

	function log(message, updateLast) {
	if (!log.list)
	log.list = document.getElementById("log");
	var text = document.createTextNode(message);
	if (updateLast)
	log.list.lastChild.replaceChild(text, log.list.lastChild.firstChild);
	else
	log.list.appendChild(document.createElement("li")).appendChild(text);
	}
	</script>
	</head>
	<body>
	<p>Manual test to verify that the EventSource loader does not buffer data (may result in memory growth with long lived connections). Monitor memory usage; it should be stable. This file has to be served from the same web server as the php script with the same name.</p>
	<ul id="log" style="list-style-type: none"></ul>
	</body>
	</html>