<!DOCTYPE HTML>
<html>
<head>
  <title>Test for BroadcastChannel</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>

<div id="content"></div>

<script type="application/javascript">

function runTest() {
  var receiver = new BroadcastChannel("foo");
  var sequence = [ "2", "done" ];
  receiver.onmessage = function(e) {
    if (!sequence.length) {
      ok(false, "No more data is expected");
      return;
    }

    var data = sequence.shift();
    is(e.data, data);

    if (!sequence.length) {
      SimpleTest.executeSoon(function() {
        SimpleTest.finish();
      });
    }
  };

  var x = new BroadcastChannel("foo");
  x.close();
  try {
    x.postMessage("1");
    ok(false, "PostMessage should throw if called after a close().");
  } catch (e) {
    ok(true, "PostMessage should throw if called after a close().");
  }

  var y = new BroadcastChannel("foo");
  y.postMessage("2");
  y.close();
  try {
    y.postMessage("3");
    ok(false, "PostMessage should throw if called after a close().");
  } catch (e) {
    ok(true, "PostMessage should throw if called after a close().");
  }

  var z = new BroadcastChannel("foo");
  z.postMessage("done");
}

SimpleTest.waitForExplicitFinish();
runTest();

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