1 files changed, 43 insertions, 0 deletions
diff --git a/toolkit/components/narrate/test/browser_narrate_disable.js b/toolkit/components/narrate/test/browser_narrate_disable.js
new file mode 100644
index 0000000000..17b240ae19
--- /dev/null
+++ b/toolkit/components/narrate/test/browser_narrate_disable.js
@@ -0,0 +1,43 @@
+/* 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 ENABLE_PREF = "narrate.enabled";
+
+registerCleanupFunction(() => {
+  clearUserPref(ENABLE_PREF);
+  teardown();
+});
+
+add_task(async function testNarratePref() {
+  setup();
+
+  await spawnInNewReaderTab(TEST_ARTICLE, function() {
+    is(
+      content.document.querySelectorAll(NarrateTestUtils.TOGGLE).length,
+      1,
+      "narrate is inserted by default"
+    );
+  });
+
+  setBoolPref(ENABLE_PREF, false);
+
+  await spawnInNewReaderTab(TEST_ARTICLE, function() {
+    ok(
+      !content.document.querySelector(NarrateTestUtils.TOGGLE),
+      "narrate is disabled and is not in reader mode"
+    );
+  });
+
+  setBoolPref(ENABLE_PREF, true);
+
+  await spawnInNewReaderTab(TEST_ARTICLE, function() {
+    is(
+      content.document.querySelectorAll(NarrateTestUtils.TOGGLE).length,
+      1,
+      "narrate is re-enabled and appears only once"
+    );
+  });
+});