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<?xml version="1.0"?>
                 type="text/css"?>
<!--
-->
  onload="start();">
  <!-- test code goes here -->
  <script type="application/javascript"><![CDATA[
    /* global messageManager, sendAsyncMessage, getGroupMessageManager */
    var FRAME_SCRIPT1 = "data:,addMessageListener('test', function () {" +
                        "sendSyncMessage('test', 'group1')})";
    var FRAME_SCRIPT2 = "data:,addMessageListener('test', function () {" +
                        "sendSyncMessage('test', 'group2')})";
    var globalMM = Cc["@mozilla.org/globalmessagemanager;1"].getService();
    function is(val, exp, msg) {
      window.arguments[0].is(val, exp, msg);
    }
    function promiseTwoMessages(type, mm) {
      var numLeft = 2;
      return new Promise(function (resolve) {
        mm.addMessageListener("test", function onMessage(msg) {
          is(msg.data, type, "correct message " + type);
          if (--numLeft == 0) {
            mm.removeMessageListener("test", onMessage);
            resolve();
          }
        });
      });
    }
    /**
     * This test ensures that having multiple message manager groups with
     * multiple frame loaders in those works as expected. For a specific
     * group message manager, frame scripts should only be loaded by its
     * descendants and messages should only be received by and from those
     * child message managers.
     */
    function start() {
      var gmm1 = getGroupMessageManager("test1");
      gmm1.loadFrameScript(FRAME_SCRIPT1, true);
      var gmm2 = getGroupMessageManager("test2");
      gmm2.loadFrameScript(FRAME_SCRIPT2, true);
      var promise1 = promiseTwoMessages("group1", gmm1);
      var promise2 = promiseTwoMessages("group2", gmm2);
      messageManager.broadcastAsyncMessage("test");
      Promise.all([promise1, promise2]).then(function () {
        window.arguments[0].setTimeout(function() { this.next(); });
        window.close();
      });
    }
  ]]></script>
  <browser messagemanagergroup="test1" type="content" src="about:mozilla" />
  <browser messagemanagergroup="test1" type="content" src="about:mozilla" />
  <browser messagemanagergroup="test2" type="content" src="about:mozilla" />
  <browser messagemanagergroup="test2" type="content" src="about:mozilla" />
</window>