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<!DOCTYPE HTML>
<html>
<!--
Bug 1205109: Make `pushsubscriptionchange` extendable.

Any copyright is dedicated to the Public Domain.
http://creativecommons.org/licenses/publicdomain/

-->
<head>
  <title>Test for Bug 1205109</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="/tests/dom/push/test/test_utils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
  <meta http-equiv="Content-type" content="text/html;charset=UTF-8">
</head>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1205109">Mozilla Bug 1205109</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
</pre>

<script class="testbody" type="text/javascript">
  /* import-globals-from ./test_utils.js */

  var registration;
  add_task(async function start() {
    await setupPrefsAndMockSocket(new MockWebSocket());
    await setPushPermission(true);

    var url = "worker.js?" + (Math.random());
    registration = await navigator.serviceWorker.register(url, {scope: "."});
    await waitForActive(registration);
  });

  var controlledFrame;
  add_task(async function createControlledIFrame() {
    controlledFrame = await injectControlledFrame();
  });

  add_task(async function togglePermission() {
    var subscription = await registration.pushManager.subscribe();
    ok(subscription, "Should create a push subscription");

    await setPushPermission(false);
    var permissionState = await registration.pushManager.permissionState();
    is(permissionState, "denied", "Should deny push permission");

    subscription = await registration.pushManager.getSubscription();
    is(subscription, null, "Should not return subscription when permission is revoked");

    var changePromise = controlledFrame.waitOnWorkerMessage("changed");
    await setPushPermission(true);
    await changePromise;

    subscription = await registration.pushManager.getSubscription();
    is(subscription, null, "Should drop subscription after reinstating permission");
  });

  add_task(async function unsubscribe() {
    controlledFrame.remove();
    await registration.unregister();
  });

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