test_readableStream_when_closing.html

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<html>

<head>

  <meta charset="utf-8">

  <title>Test for ReadableStream+fetch when the worker is closing</title>

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>

</head>

<body>

  <script>

function workerCode() {

  onmessage = () => {

    const BIG_BUFFER_SIZE = 1000000;

    const fibStream = new ReadableStream({

        start(controller) {},

        pull(controller) {

          const buffer = new Uint8Array(BIG_BUFFER_SIZE);

          buffer.fill(42);

          controller.enqueue(buffer);

});

    const r = new Response(fibStream);

    const p = r.blob();

    self.postMessage("reading");

    p.then(() => {

      // really?

});

SimpleTest.waitForExplicitFinish();

const b = new Blob([workerCode+'workerCode();']);

const url = URL.createObjectURL(b);

const w = new Worker(url);

w.onmessage = function(e) {

  ok(true, 'Worker is reading');

  const wdm = Cc["@mozilla.org/dom/workers/workerdebuggermanager;1"].

              getService(Ci.nsIWorkerDebuggerManager);

  wdm.addListener({

    onUnregister (dbg) {

      if (dbg.url == url) {

        ok(true, "Debugger with url " + url + " should be unregistered.");

        wdm.removeListener(this);

        SimpleTest.finish();

});

  w.terminate();

w.postMessage("start");

  </script>

</body>

</html>