<!--
  Any copyright is dedicated to the Public Domain.
  http://creativecommons.org/publicdomain/zero/1.0/
-->
<html>
<head>
  <title>Indexed Database Blob Worker Crash Test</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

  <script type="text/javascript">
  /* import-globals-from helpers.js */
  /*
   * This tests ensures that if the last live reference to a Blob is on the
   * worker and the database has already been shutdown, that there is no crash
   * when the owning page gets cleaned up which causes the termination of the
   * worker which in turn garbage collects during its shutdown.
   *
   * We do the IndexedDB stuff in the iframe so we can kill it as part of our
   * test.  Doing it out here is no good.
   */

  function* testSteps()
  {
    info("Open iframe, wait for it to do its IndexedDB stuff.");

    let iframe = document.getElementById("iframe1");
    window.addEventListener("message", grabEventAndContinueHandler);
    // Put it in a different origin to be safe
    iframe.src = // "http://example.org" +
                 window.location.pathname.replace(
                   "test_blob_worker_crash.html",
                   "blob_worker_crash_iframe.html");

    let event = yield unexpectedSuccessHandler;
    is(event.data.result, "ready", "worker initialized correctly");

    info("Trigger a GC to clean-up the iframe's main-thread IndexedDB");
    scheduleGC();
    yield undefined;

    info("Kill the iframe, forget about it, trigger a GC.");
    iframe.remove();
    iframe = null;
    scheduleGC();
    yield undefined;

    info("If we are still alive, then we win!");
    ok("Did not crash / trigger an assert!");

    finishTest();
  }
  </script>
  <script type="text/javascript" src="helpers.js"></script>

</head>

<body onload="runTest();"></body>
  <iframe id="iframe1"></iframe>
</html>
