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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=684208
-->
<head>
  <meta charset="utf-8">
  <title>Test for Bug 684208</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <script type="application/javascript">

  /** Test for Bug 684208 **/

  function checkDispatchReturnValue(targetOrUndefined) {
    var target = targetOrUndefined ? targetOrUndefined : self;
    function createEvent() {
      if ("MouseEvent" in this) {
        return new MouseEvent("click", {cancelable: true});
      }
      return new Event("dummy", {cancelable: true});
    }

    function postSelfMessage(msg) {
      try {
        self.postMessage(msg);
      } catch(ex) {
        self.postMessage(msg, "*");
      }
    }

    function passiveListener(e) {
      e.target.removeEventListener(e.type, passiveListener);
    }
    var event = createEvent();
    target.addEventListener(event.type, passiveListener);
    postSelfMessage(target.dispatchEvent(event) == true);

    function cancellingListener(e) {
      e.target.removeEventListener(e.type, cancellingListener);
      e.preventDefault();
    }
    event = createEvent();
    target.addEventListener(event.type, cancellingListener);
    postSelfMessage(target.dispatchEvent(event) == false);
  }

  function test() {
    var expectedEvents = 6;
    function messageHandler(e) {
      ok(e.data, "All the dispatchEvent calls should pass.");
      --expectedEvents;
      if (!expectedEvents) {
        window.onmessage = null;
        window.worker.onmessage = null;
        SimpleTest.finish();
      }
    }
    window.onmessage = messageHandler;
    checkDispatchReturnValue();
    checkDispatchReturnValue(document.getElementById("link"));
    window.worker =
      new Worker(URL.createObjectURL(new Blob(["(" + checkDispatchReturnValue.toString() + ")();"])));
    window.worker.onmessage = messageHandler;
  }

  SimpleTest.waitForExplicitFinish();

  </script>
</head>
<body onload="test();">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=684208">Mozilla Bug 684208</a>
<p id="display"></p>
<div id="content" style="display: none">
<a id="link" href="#foo">foo</a>
</div>
<pre id="test">
</pre>
</body>
</html>