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<!--
  Any copyright is dedicated to the Public Domain.
  http://creativecommons.org/publicdomain/zero/1.0/
-->
<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>Test for DOM Worker Threads Suspending</title>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<div id="output"></div>
<script class="testbody" type="text/javascript">

  var output = document.getElementById("output");

  var worker;

  function terminateWorker() {
    if (worker) {
      worker.postMessage("stop");
      worker = null;
    }
  }

  function startWorker(messageCallback, errorCallback) {
    var lastData;
    worker = new Worker("suspend_worker.js");

    worker.onmessage = function(event) {
      output.textContent = (lastData ? lastData + " -> " : "") + event.data;
      lastData = event.data;
      messageCallback(event.data);
    };

    worker.onerror = function(event) {
      this.terminate();
      errorCallback(event.message);
    };
  }

</script>
</pre>
</body>
</html>