third_party/WebKit/LayoutTests/fast/html/adopt-parent-frame.html

   1 <!DOCTYPE html>
   2 <html>
   3 <body onload="adopt()">
   4 <p>This tests adopting a parent iframe (i.e. the iframe contains the document into which iframe is adopted). WebKit should not hang and should throw a hierarchy request exception.</p>
   5 <div>Adopting parent frame: <span id="child"></span></div>
   6 <div>Adopting grandparent frame: <span id="grandchild"></span></div>
   7 <script>
   8
   9 if (window.testRunner)
  10     testRunner.dumpAsText();
  11
  12 function createFrame(id, parent) {
  13     var iframe = document.createElement('iframe');
  14     if (parent)
  15         parent.contentDocument.body.appendChild(iframe);
  16     else
  17         document.body.appendChild(iframe);
  18     iframe.contentDocument.body.appendChild(iframe.contentDocument.createTextNode(id));
  19     iframe.contentDocument.body.appendChild(iframe.contentDocument.createElement('br'));
  20     iframe.style.width = '70%';
  21     iframe.style.height = '40%';
  22     return iframe;
  23 }
  24
  25 var parent = createFrame('parent');
  26 var child = createFrame('child', parent);
  27 var grandchild = createFrame('grandchild', child);
  28
  29 function log(id, message) {
  30     document.getElementById(id).innerHTML = message;
  31 }
  32
  33 function testChild(id, action) {
  34     try {
  35         action();
  36     } catch(error) {
  37         if (error.name == 'HierarchyRequestError')
  38             log(id, 'PASS');
  39         else
  40             log(id, 'FAIL: got ' + error.name + ' but expected HierarchyRequestError');
  41         return;
  42     }
  43     log(id, 'FAIL: no exceptions thrown but expected HierarchyRequestError');
  44 }
  45
  46 function adopt() {
  47     testChild('child', function () { child.contentDocument.adoptNode(parent); });
  48     testChild('grandchild', function () { grandchild.contentDocument.adoptNode(parent); });
  49 }
  50
  51 </script>
  52 </body>
  53 </html>