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-rw-r--r--accessible/tests/browser/browser_shutdown_pref.js72
1 files changed, 72 insertions, 0 deletions
diff --git a/accessible/tests/browser/browser_shutdown_pref.js b/accessible/tests/browser/browser_shutdown_pref.js
new file mode 100644
index 0000000000..74cef28b03
--- /dev/null
+++ b/accessible/tests/browser/browser_shutdown_pref.js
@@ -0,0 +1,72 @@
+/* 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";
+
+const PREF_ACCESSIBILITY_FORCE_DISABLED = "accessibility.force_disabled";
+
+add_task(async function testForceDisable() {
+ ok(
+ !Services.appinfo.accessibilityEnabled,
+ "Accessibility is disabled by default"
+ );
+
+ info("Reset force disabled preference");
+ Services.prefs.clearUserPref(PREF_ACCESSIBILITY_FORCE_DISABLED);
+
+ info("Enable accessibility service via XPCOM");
+ let [a11yInitObserver, a11yInit] = initAccService();
+ await a11yInitObserver;
+
+ let accService = Cc["@mozilla.org/accessibilityService;1"].getService(
+ Ci.nsIAccessibilityService
+ );
+ await a11yInit;
+ ok(Services.appinfo.accessibilityEnabled, "Accessibility is enabled");
+
+ info("Force disable a11y service via preference");
+ let [a11yShutdownObserver, a11yShutdown] = shutdownAccService();
+ await a11yShutdownObserver;
+
+ Services.prefs.setIntPref(PREF_ACCESSIBILITY_FORCE_DISABLED, 1);
+ await a11yShutdown;
+ ok(!Services.appinfo.accessibilityEnabled, "Accessibility is disabled");
+
+ info("Attempt to get an instance of a11y service and call its method.");
+ accService = Cc["@mozilla.org/accessibilityService;1"].getService(
+ Ci.nsIAccessibilityService
+ );
+ try {
+ accService.getAccesssibleFor(document);
+ ok(false, "getAccesssibleFor should've triggered an exception.");
+ } catch (e) {
+ ok(
+ true,
+ "getAccesssibleFor triggers an exception as a11y service is shutdown."
+ );
+ }
+ ok(!Services.appinfo.accessibilityEnabled, "Accessibility is disabled");
+
+ info("Reset force disabled preference");
+ Services.prefs.clearUserPref(PREF_ACCESSIBILITY_FORCE_DISABLED);
+
+ info("Create a11y service again");
+ [a11yInitObserver, a11yInit] = initAccService();
+ await a11yInitObserver;
+
+ accService = Cc["@mozilla.org/accessibilityService;1"].getService(
+ Ci.nsIAccessibilityService
+ );
+ await a11yInit;
+ ok(Services.appinfo.accessibilityEnabled, "Accessibility is enabled");
+
+ info("Remove all references to a11y service");
+ [a11yShutdownObserver, a11yShutdown] = shutdownAccService();
+ await a11yShutdownObserver;
+
+ accService = null;
+ forceGC();
+ await a11yShutdown;
+ ok(!Services.appinfo.accessibilityEnabled, "Accessibility is disabled");
+});