third_party/WebKit/LayoutTests/http/tests/xmlhttprequest/interactive-state.html

   1 <html>
   2 <head>
   3 <title>Test XmlHttpRequest onreadystatechange being called for each chunk of data</title>
   4 <body>
   5 <p>Test for <a href="https://bugs.webkit.org/show_bug.cgi?id=7392">bug 7392</a>:
   6 GMAIL: XMLHttpRequest does not correctly report "Interactive" state on receipt of load data.</p>
   7 <script>
   8
   9     if (window.testRunner) {
  10         testRunner.dumpAsText();
  11         testRunner.waitUntilDone();
  12     }
  13
  14     var console_messages = document.createElement("ol");
  15     document.body.appendChild(console_messages);
  16
  17     var count = 0;
  18
  19     function log(message)
  20     {
  21         var item = document.createElement("li");
  22         item.appendChild(document.createTextNode(message));
  23         console_messages.appendChild(item);
  24     }
  25
  26     function get(url, async)
  27     {
  28         if (window.XMLHttpRequest) {
  29             req = new XMLHttpRequest();
  30         } else {
  31             try {
  32                 req = new ActiveXObject("Msxml2.XMLHTTP");
  33             } catch (ex) {
  34                 req = new ActiveXObject("Microsoft.XMLHTTP");
  35             }
  36         }
  37
  38         req.onreadystatechange = processStateChange;
  39
  40         req.open('GET', url, async);
  41         req.send(null);
  42
  43         if (!async && req.status != 200)
  44             throw ("HTTP request failed, status: " + req.status);
  45
  46         return req;
  47     }
  48
  49     function processStateChange(){
  50         if (req.readyState == 3)
  51             ++count;
  52         else if (req.readyState == 4) {
  53             log((count > 1) ? "SUCCESS" : "FAILURE (count = " + count + ")");
  54             if (window.testRunner)
  55                 testRunner.notifyDone();
  56         }
  57     }
  58
  59     // start async steps
  60     get('interactive-state.cgi', true);
  61
  62 </script>
  63 </body>
  64 </html>