third_party/WebKit/LayoutTests/fast/events/intercept-postmessage.html

   1 <!DOCTYPE html>
   2 <html>
   3   <body><pre id="console"></pre></body>
   4   <script>
   5     function write(str) {
   6       pre = document.getElementById('console');
   7       text = document.createTextNode(str + '\n');
   8       pre.appendChild(text);
   9     }
  10
  11     function recvMsg1(e) {
  12       write("RECV1");
  13       window.removeEventListener("message", recvMsg1, false);
  14
  15       if (window.testRunner)
  16         testRunner.interceptPostMessage = true;
  17
  18       window.addEventListener("message", recvMsg2, false);
  19       window.postMessage("Message 2", "*");
  20
  21       // Ensure that we're intercepting postMessages before the origin check
  22       window.postMessage("Message 3", "http://example.org");
  23
  24       if (window.testRunner) {
  25         // We need to call setTimeout here because we intercept the next event.
  26         window.setTimeout(function() { testRunner.notifyDone(); });
  27       }
  28     }
  29
  30     function recvMsg2(e) {
  31       write("RECV2");
  32     }
  33
  34     window.addEventListener("message", recvMsg1, false);
  35
  36     if (window.testRunner) {
  37       window.testRunner.dumpAsText();
  38       window.testRunner.waitUntilDone();
  39     }
  40
  41     window.postMessage("Message 1", "*");
  42   </script>
  43 </html>
  44