dom/tests/mochitest/whatwg/postMessage_override_helper.html

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/tests/mochitest/whatwg/postMessage_override_helper.html	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,42 @@
     1.4 +<!DOCTYPE html>
     1.5 +<html>
     1.6 +<head>
     1.7 +  <title>Overriding postMessage and dispatchEvent bindings</title>
     1.8 +  <script type="application/javascript">
     1.9 +    window.postMessage = function (evt)
    1.10 +    {
    1.11 +      window.parent.postMessage("FAIL overridden postMessage called", "*");
    1.12 +    };
    1.13 +
    1.14 +    var count = 0;
    1.15 +
    1.16 +    function receiveMessage(evt)
    1.17 +    {
    1.18 +      count++;
    1.19 +      if (count == 1)
    1.20 +      {
    1.21 +        window.dispatchEvent = function(evt)
    1.22 +        {
    1.23 +          window.parent.postMessage("FAIL", "*");
    1.24 +          throw "dispatchEvent threw";
    1.25 +        };
    1.26 +      }
    1.27 +
    1.28 +      window.parent.postMessage(evt.data, "http://mochi.test:8888");
    1.29 +    }
    1.30 +    
    1.31 +    function setup()
    1.32 +    {
    1.33 +      var target = document.getElementById("location");
    1.34 +      target.textContent = location.hostname + ":" + (location.port || 80);
    1.35 +    }
    1.36 +
    1.37 +    window.addEventListener("message", receiveMessage, false);
    1.38 +
    1.39 +    window.addEventListener("load", setup, false);
    1.40 +  </script>
    1.41 +</head>
    1.42 +<body>
    1.43 +<h1 id="location">No location!</h1>
    1.44 +</body>
    1.45 +</html>

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