1 files changed, 51 insertions, 0 deletions
diff --git a/accessible/tests/browser/browser_shutdown_start_restart.js b/accessible/tests/browser/browser_shutdown_start_restart.js
new file mode 100644
index 0000000000..92d2823388
--- /dev/null
+++ b/accessible/tests/browser/browser_shutdown_start_restart.js
@@ -0,0 +1,51 @@
+/* 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 [a11yInitObserver, a11yInit] = initAccService();
+  await a11yInitObserver;
+
+  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 [a11yShutdownObserver, a11yShutdown] = shutdownAccService();
+  await a11yShutdownObserver;
+
+  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.
+  [a11yInitObserver, a11yInit] = initAccService();
+  await a11yInitObserver;
+
+  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.
+  [a11yShutdownObserver, a11yShutdown] = shutdownAccService();
+  await a11yShutdownObserver;
+
+  accService = null;
+  ok(!accService, "Service is removed again");
+  // Force garbage collection that should trigger shutdown.
+  forceGC();
+  await a11yShutdown;
+});