third_party/WebKit/LayoutTests/http/tests/xmlhttprequest/xmlhttprequest-onProgress-open-should-zero-length.html

   1 <html>
   2 <body>
   3 <p> Verify that XMLHttpRequest.open resets received size.</p>
   4 <p> You should see PASSED once. </p>
   5
   6 <script type="text/javascript">
   7 var resourceSize = 1461754;
   8 var lastPosition = 0;
   9
  10 function log (msg)
  11 {
  12     document.body.appendChild(document.createTextNode(msg));
  13     document.body.appendChild(document.createElement("br"));
  14 }
  15
  16 function onProgress(e) {
  17     if (e.position >= resourceSize / 4) {
  18         // We want to restart the XMLHttpRequest to see if the count is updated
  19         var xhr = e.target;
  20         xhr.onprogress = onProgressTest;
  21         xhr.onreadystatechange = onReadyStateChange;
  22         xhr.open("GET", "resources/big-response.php", true);
  23         xhr.send(null);
  24     }
  25 }
  26
  27 function onProgressTest(e) {
  28     lastPosition = e.position;
  29 }
  30
  31 function onReadyStateChange() {
  32     if (req.readyState == 4) {
  33         // Compare last position with the known resource size.
  34         log((lastPosition == resourceSize) ? "PASSED" : ("FAILED: expected " + resourceSize + ", actual " + lastPosition));
  35         if (window.testRunner)
  36             testRunner.notifyDone();
  37     }
  38 }
  39
  40 if (window.testRunner) {
  41     testRunner.dumpAsText();
  42     testRunner.waitUntilDone();
  43 }
  44
  45 var req = new XMLHttpRequest();
  46 req.onprogress = onProgress;
  47 req.open("GET", "resources/big-response.php", true);
  48 req.send(null);
  49 </script>
  50 </body>
  51 </html>