browser_shutdown_scope_lifecycle.js

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

"use strict";

add_task(async function () {

  // Create a11y service inside of the function scope. Its reference should be

  // released once the anonimous function is called.

  const [a11yInitObserver, a11yInit] = initAccService();

  await a11yInitObserver;

  const a11yInitThenShutdown = a11yInit.then(async () => {

    const [a11yShutdownObserver, a11yShutdown] = shutdownAccService();

    await a11yShutdownObserver;

    return a11yShutdown;

});

  (function () {

    let accService = Cc["@mozilla.org/accessibilityService;1"].getService(

      Ci.nsIAccessibilityService

);

    ok(accService, "Service initialized");

  })();

  // Force garbage collection that should trigger shutdown.

  forceGC();

  await a11yInitThenShutdown;

});