third_party/WebKit/LayoutTests/fast/events/before-unload-remove-and-add-subframe.html

   1 <!DOCTYPE html>
   2 <html>
   3 <body>
   4 <p>This test ensures beforeunload event does not fire for subframes that has been removed from the DOM within a beforeunload event handler. Also ensures the event doesn't fire for subframes added within a beforeunload event handler. The latter behavior matches MSIE.</p>
   5 <pre id="log"></pre>
   6 <script>
   7
   8 if (window.testRunner) {
   9     testRunner.dumpAsText();
  10     testRunner.waitUntilDone();
  11 }
  12
  13 function createFrame(id, parent) {
  14     var iframe = document.createElement('iframe');
  15     iframe.id = id;
  16     if (parent)
  17         parent.contentDocument.body.appendChild(iframe);
  18     else
  19         document.body.appendChild(iframe);
  20     if (!iframe.contentDocument.body)
  21         iframe.contentDocument.appendChild(iframe.contentDocument.createElement('body'));
  22     iframe.contentDocument.body.appendChild(iframe.contentDocument.createTextNode(id));
  23     iframe.contentDocument.body.appendChild(iframe.contentDocument.createElement('br'));
  24     iframe.contentWindow.onbeforeunload = function () { fired(iframe.contentWindow, id); return null; }
  25     iframe.style.width = '70%';
  26     iframe.style.height = '40%';
  27     return iframe;
  28 }
  29
  30 function log(message) {
  31     var log = document.getElementById('log');
  32     log.innerHTML += message + '\n';
  33 }
  34
  35 var expectedOrder = ['parent', 'a', 'c'];
  36 var i = 0;
  37
  38 function fired(contentWindow, id) {
  39     if (expectedOrder[i] == id)
  40         log('PASS: fired on ' + id);
  41     else
  42         log('FAIL: fired on ' + id + ' but expected on ' + expectedOrder[i]);
  43     i++;
  44
  45     if (contentWindow == a.contentWindow) {
  46         b.parentNode.removeChild(b);
  47         createFrame('d', container);
  48     }
  49 }
  50
  51 var container = createFrame('parent');
  52 var a = createFrame('a', container);
  53 var b = createFrame('b', container);
  54 var c = createFrame('c', container);
  55
  56 container.onload = function () {
  57     if (i == expectedOrder.length)
  58         log('DONE');
  59     else
  60         log('Received ' + i + ' events but expected ' + expectedOrder.length);
  61     if (window.testRunner)
  62         testRunner.notifyDone();
  63 }
  64 container.src = 'resources/before-unload-in-subframe-destination.html';
  65
  66 </script>
  67 </body>
  68 </html>