LayoutTests/http/tests/xmlhttprequest/xmlhttprequest-onProgress-open-should-zero-length.html - WebKit - Git at Google

 <html>
 <body>
 <p> Verify that XMLHttpRequest.open resets received size.</p>
 <p> You should see PASSED once. </p>

 <script type="text/javascript">
 var resourceSize = 1461754;
 var lastPosition = 0;

 function log (msg)
 {
     document.body.appendChild(document.createTextNode(msg));
     document.body.appendChild(document.createElement("br"));
 }

 function onProgress(e) {
     if (e.position >= resourceSize / 4) {
         // We want to restart the XMLHttpRequest to see if the count is updated
         var xhr = e.target;
         xhr.onprogress = onProgressTest;
         xhr.onreadystatechange = onReadyStateChange;
         xhr.open("GET", "resources/big-response.php", true);
         xhr.send(null);
     }
 }

 function onProgressTest(e) {
     lastPosition = e.position;
 }

 function onReadyStateChange() {
     if (req.readyState == 4) {
         // Compare last position with the known resource size.
         log((lastPosition == resourceSize) ? "PASSED" : ("FAILED: expected " + resourceSize + ", actual " + lastPosition));
         if (window.testRunner)
             testRunner.notifyDone();
     }
 }

 if (window.testRunner) {
     testRunner.dumpAsText();
     testRunner.waitUntilDone();
 }

 var req = new XMLHttpRequest();
 req.onprogress = onProgress;
 req.open("GET", "resources/big-response.php", true);
 req.send(null);
 </script>
 </body>
 </html>
	<html>
	<body>
	<p> Verify that XMLHttpRequest.open resets received size.</p>
	<p> You should see PASSED once. </p>

	<script type="text/javascript">
	var resourceSize = 1461754;
	var lastPosition = 0;

	function log (msg)
	{
	document.body.appendChild(document.createTextNode(msg));
	document.body.appendChild(document.createElement("br"));
	}

	function onProgress(e) {
	if (e.position >= resourceSize / 4) {
	// We want to restart the XMLHttpRequest to see if the count is updated
	var xhr = e.target;
	xhr.onprogress = onProgressTest;
	xhr.onreadystatechange = onReadyStateChange;
	xhr.open("GET", "resources/big-response.php", true);
	xhr.send(null);
	}
	}

	function onProgressTest(e) {
	lastPosition = e.position;
	}

	function onReadyStateChange() {
	if (req.readyState == 4) {
	// Compare last position with the known resource size.
	log((lastPosition == resourceSize) ? "PASSED" : ("FAILED: expected " + resourceSize + ", actual " + lastPosition));
	if (window.testRunner)
	testRunner.notifyDone();
	}
	}

	if (window.testRunner) {
	testRunner.dumpAsText();
	testRunner.waitUntilDone();
	}

	var req = new XMLHttpRequest();
	req.onprogress = onProgress;
	req.open("GET", "resources/big-response.php", true);
	req.send(null);
	</script>
	</body>
	</html>