1 files changed, 47 insertions, 0 deletions
diff --git a/browser/components/preferences/tests/browser_sanitizeOnShutdown_prefLocked.js b/browser/components/preferences/tests/browser_sanitizeOnShutdown_prefLocked.js
new file mode 100644
index 0000000000..2a7cb2d10e
--- /dev/null
+++ b/browser/components/preferences/tests/browser_sanitizeOnShutdown_prefLocked.js
@@ -0,0 +1,47 @@
+"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 = win.Preferences.get("privacy.sanitize.sanitizeOnShutdown");
+  is(
+    checkbox.disabled,
+    preference.locked,
+    "Always Clear checkbox should be enabled when preference is not locked."
+  );
+
+  Services.prefs.clearUserPref("privacy.history.custom");
+  gBrowser.removeCurrentTab();
+}
+
+add_setup(function () {
+  registerCleanupFunction(function resetPreferences() {
+    Services.prefs.unlockPref("privacy.sanitize.sanitizeOnShutdown");
+    Services.prefs.clearUserPref("privacy.history.custom");
+  });
+});
+
+add_task(async function test_preference_enabled_when_unlocked() {
+  await openPreferencesViaOpenPreferencesAPI("panePrivacy", {
+    leaveOpen: true,
+  });
+  testPrefStateMatchesLockedState();
+});
+
+add_task(async function test_preference_disabled_when_locked() {
+  Services.prefs.lockPref("privacy.sanitize.sanitizeOnShutdown");
+  await openPreferencesViaOpenPreferencesAPI("panePrivacy", {
+    leaveOpen: true,
+  });
+  testPrefStateMatchesLockedState();
+});