third_party/WebKit/LayoutTests/fast/events/message-port-inactive-document.html

   1 <body>
   2 <p>Test that messaging an inactive frameless document works as expected.</p>
   3 <pre id=log></pre>
   4 <script>
   5 function gc()
   6 {
   7     if (window.GCController)
   8         return GCController.collect();
   9
  10     for (var i = 0; i < 10000; i++) { // > force garbage collection (FF requires about 9K allocations before a collect)
  11         var s = new String("abc");
  12     }
  13 }
  14
  15 function log(message)
  16 {
  17     document.getElementById("log").innerHTML += message + "<br>";
  18 }
  19
  20 if (window.testRunner) {
  21     testRunner.dumpAsText();
  22     testRunner.waitUntilDone();
  23 }
  24
  25 var otherDocument;
  26 var mainPort;
  27
  28 function test()
  29 {
  30     otherDocument = window.frames[0].document;
  31     var channel = new MessageChannel;
  32     window.frames[0].postMessage("msg", [channel.port2], "*");
  33     mainPort = channel.port1;
  34     mainPort.start();
  35
  36     mainPort.postMessage("ping");
  37     mainPort.onmessage = test2;
  38 }
  39
  40 function test2()
  41 {
  42     var frameElement = document.getElementsByTagName("iframe")[0];
  43     frameElement.src = "resources/window-opened.html";
  44     frameElement.onload = test3;
  45     gc();
  46 }
  47
  48 function test3()
  49 {
  50     gc();
  51     mainPort.postMessage("alert FAIL: the document is inactive.");
  52     mainPort.postMessage("freeze");
  53     mainPort.postMessage("ping");
  54     mainPort.onmessage = function(evt) {
  55         log("Unexpected response: FAIL");
  56     };
  57     setTimeout(test4, 10);
  58 }
  59
  60 function test4()
  61 {
  62     mainPort.close();
  63
  64     log("Didn't crash, freeze or respond: SUCCESS");
  65
  66     if (window.testRunner)
  67         testRunner.notifyDone();
  68 }
  69
  70 </script>
  71 <iframe src="resources/message-port-iframe.html" onload="test()" width=0 height=0 frameborder=0></iframe>
  72 </body>