1 files changed, 37 insertions, 0 deletions
diff --git a/browser/components/preferences/in-content/tests/browser_sanitizeOnShutdown_prefLocked.js b/browser/components/preferences/in-content/tests/browser_sanitizeOnShutdown_prefLocked.js
new file mode 100644
index 000000000..6b587e036
--- /dev/null
+++ b/browser/components/preferences/in-content/tests/browser_sanitizeOnShutdown_prefLocked.js
@@ -0,0 +1,37 @@
+"use strict";
+
+function switchToCustomHistoryMode(doc) {
+  // Select the last item in the menulist.
+  let menulist = doc.getElementById("historyMode");
+  menulist.focus();
+  EventUtils.sendKey("UP");
+}
+
+function testPrefStateMatchesLockedState() {
+  let win = gBrowser.contentWindow;
+  let doc = win.document;
+  switchToCustomHistoryMode(doc);
+
+  let checkbox = doc.getElementById("alwaysClear");
+  let preference = doc.getElementById("privacy.sanitize.sanitizeOnShutdown");
+  is(checkbox.disabled, preference.locked, "Always Clear checkbox should be enabled when preference is not locked.");
+
+  gBrowser.removeCurrentTab();
+}
+
+add_task(function setup() {
+  registerCleanupFunction(function resetPreferences() {
+    Services.prefs.unlockPref("privacy.sanitize.sanitizeOnShutdown");
+  });
+});
+
+add_task(function* test_preference_enabled_when_unlocked() {
+  yield openPreferencesViaOpenPreferencesAPI("panePrivacy", undefined, {leaveOpen: true});
+  testPrefStateMatchesLockedState();
+});
+
+add_task(function* test_preference_disabled_when_locked() {
+  Services.prefs.lockPref("privacy.sanitize.sanitizeOnShutdown");
+  yield openPreferencesViaOpenPreferencesAPI("panePrivacy", undefined, {leaveOpen: true});
+  testPrefStateMatchesLockedState();
+});