gecko-dev/accessible/tests/browser/browser_shutdown_start_rest...

42 строки
1.3 KiB
JavaScript

/* 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() {
info("Creating a service");
// Create a11y service.
let a11yInit = initPromise();
let accService = Cc["@mozilla.org/accessibilityService;1"].getService(
Ci.nsIAccessibilityService);
await a11yInit;
ok(accService, "Service initialized");
info("Removing a service");
// Remove the only reference to an a11y service.
let a11yShutdown = shutdownPromise();
accService = null;
ok(!accService, "Service is removed");
// Force garbage collection that should trigger shutdown.
forceGC();
await a11yShutdown;
info("Recreating a service");
// Re-create a11y service.
a11yInit = initPromise();
accService = Cc["@mozilla.org/accessibilityService;1"].getService(
Ci.nsIAccessibilityService);
await a11yInit;
ok(accService, "Service initialized again");
info("Removing a service again");
// Remove the only reference to an a11y service again.
a11yShutdown = shutdownPromise();
accService = null;
ok(!accService, "Service is removed again");
// Force garbage collection that should trigger shutdown.
forceGC();
await a11yShutdown;
});