third_party/WebKit/LayoutTests/http/tests/xmlhttprequest/onloadend-event-after-load.html

   1 <!doctype html>
   2 <html>
   3 <head>
   4 <title>Test case for bug 40952</title>
   5 <script src="../resources/testharness.js"></script>
   6 <script src="../resources/testharnessreport.js"></script>
   7 </head>
   8 <body>
   9 <p> Test case for <a href="https://bugs.webkit.org/show_bug.cgi?id=40952"> bug 40952</a>: Onloadend event is not supported in XMLHttpRequest</p>
  10 <p> Verify that a loadend ProgressEvent is dispatched after the load ProgressEvent when an async request completes normally.</p>
  11 <div id="log"></div>
  12 <script type="text/javascript">
  13
  14 var xhr;
  15 var payload = "data";
  16 var expectedLength = payload.length;
  17 var results = "";
  18 var expected = " loadstart readyState=DONE load loadend";
  19
  20 function verifyProgressEvent(context, e, expected)
  21 {
  22     assert_true(e.lengthComputable);
  23     assert_equals(e.loaded, expected, "Expected 'loaded' value for '" + context + "' event.");
  24     assert_equals(e.total, expected, "Expected 'total' value for '" + context + "' event.");
  25 }
  26
  27 function logProgressEvent(e) {
  28     results += " " + e.type;
  29 }
  30
  31 function logUnexpectedProgressEvent(e) {
  32     results += " [unexpected ProgressEvent: " + e.type + "]";
  33     completeTest();
  34 }
  35
  36 function completeTest()
  37 {
  38     assert_equals(results, expected, "Expected load event sequence");
  39     testOnloadEndEvent.done();
  40 }
  41
  42 function loadendHandler(e)
  43 {
  44     logProgressEvent(e);
  45     assert_true(e instanceof ProgressEvent);
  46     verifyProgressEvent("onloadend", e, expectedLength);
  47     completeTest();
  48 }
  49
  50 var testOnloadEndEvent = async_test("Check that 'loadend' events are delivered and have expected values.");
  51 testOnloadEndEvent.step(function () {
  52     xhr = new XMLHttpRequest();
  53     xhr.onreadystatechange = testOnloadEndEvent.step_func(function(e) {
  54         if (xhr.readyState == xhr.DONE)
  55             results += " readyState=DONE";
  56     });
  57     xhr.onloadstart = testOnloadEndEvent.step_func(logProgressEvent);
  58     xhr.onabort = testOnloadEndEvent.step_func(logUnexpectedProgressEvent);
  59     xhr.onerror = testOnloadEndEvent.step_func(logUnexpectedProgressEvent);
  60     xhr.onload = testOnloadEndEvent.step_func(logProgressEvent);
  61     xhr.onloadend = testOnloadEndEvent.step_func(loadendHandler);
  62     xhr.open("POST", "resources/post-echo.php", true);
  63     xhr.send(payload);
  64 });
  65 </script>
  66 </body>
  67 </html>