1 files changed, 21 insertions, 0 deletions
diff --git a/browser/components/customizableui/test/browser_touchbar_customization.js b/browser/components/customizableui/test/browser_touchbar_customization.js
new file mode 100644
index 0000000000..106c202ad9
--- /dev/null
+++ b/browser/components/customizableui/test/browser_touchbar_customization.js
@@ -0,0 +1,21 @@
+/* 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";
+
+// Checks if the Customize Touch Bar button appears when a Touch Bar is
+// initialized.
+add_task(async function customizeTouchBarButtonAppears() {
+  let updater = Cc["@mozilla.org/widget/touchbarupdater;1"].getService(
+    Ci.nsITouchBarUpdater
+  );
+  // This value will be reset to its default the next time a window is opened.
+  updater.setTouchBarInitialized(true);
+  await startCustomizing();
+  let touchbarButton = document.querySelector("#customization-touchbar-button");
+  ok(!touchbarButton.hidden, "Customize Touch Bar button is not hidden.");
+  let touchbarSpacer = document.querySelector("#customization-touchbar-spacer");
+  ok(!touchbarSpacer.hidden, "Customize Touch Bar spacer is not hidden.");
+  await endCustomizing();
+});