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<!DOCTYPE HTML>
<html>
<head>
  <title>WebExtension test</title>
  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
  <script src="chrome://mochikit/content/tests/SimpleTest/SpawnTask.js"></script>
  <script src="chrome://mochikit/content/tests/SimpleTest/ExtensionTestUtils.js"></script>
  <script type="text/javascript" src="head.js"></script>
  <link rel="stylesheet" href="chrome://mochikit/contents/tests/SimpleTest/test.css"/>
</head>
<body>

<script type="text/javascript">
"use strict";

const {classes: Cc, interfaces: Ci, utils: Cu} = Components;

Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://testing-common/TestUtils.jsm");

const {GlobalManager} = Cu.import("resource://gre/modules/Extension.jsm");

/* eslint-disable mozilla/balanced-listeners */

add_task(function* testShutdownCleanup() {
  is(GlobalManager.initialized, false,
     "GlobalManager start as not initialized");

  let extension = ExtensionTestUtils.loadExtension({
    background: function() {
      browser.test.notifyPass("background page loaded");
    },
  });

  yield extension.startup();

  yield extension.awaitFinish("background page loaded");

  is(GlobalManager.initialized, true,
     "GlobalManager has been initialized once an extension is started");

  yield extension.unload();

  is(GlobalManager.initialized, false,
     "GlobalManager has been uninitialized once all the webextensions have been stopped");
});
</script>

</body>
</html>