Quelle test_terminate.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/workers/test/test_terminate.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for DOM Worker Navigator</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
<script class="testbody" language="javascript">

  var messageCount = 0;
  var intervalCount = 0;

  var interval;

  var worker;

  function messageListener(event) {
    is(event.data, "Still alive!", "Correct message!");
    if (++messageCount == 20) {
      ok(worker.onmessage === messageListener,
         "Correct listener before terminate");

      worker.terminate();

      var exception = false;
      try {
        worker.addEventListener("message", messageListener);
      }
      catch (e) {
        exception = true;
      }
      is(exception, false, "addEventListener didn't throw after terminate");

      exception = false;
      try {
        worker.removeEventListener("message", messageListener);
      }
      catch (e) {
        exception = true;
      }
      is(exception, false, "removeEventListener didn't throw after terminate");

      exception = false;
      try {
        worker.postMessage("foo");
      }
      catch (e) {
        exception = true;
      }
      is(exception, false, "postMessage didn't throw after terminate");

      exception = false;
      try {
        worker.terminate();
      }
      catch (e) {
        exception = true;
      }
      is(exception, false, "terminate didn't throw after terminate");

      ok(worker.onmessage === messageListener,
         "Correct listener after terminate");

      worker.onmessage = function(msg) { }

      interval = setInterval(testCount, 1000);
    }
  }

  function testCount() {
    is(messageCount, 20, "Received another message after terminated!");
    if (intervalCount++ == 5) {
      clearInterval(interval);
      SimpleTest.finish();
    }
  }

  worker = new Worker("terminate_worker.js");
  worker.onmessage = messageListener;

  SimpleTest.waitForExplicitFinish();

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

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