1 files changed, 27 insertions, 0 deletions
diff --git a/browser/components/customizableui/test/browser_923857_customize_mode_event_wrapping_during_reset.js b/browser/components/customizableui/test/browser_923857_customize_mode_event_wrapping_during_reset.js
new file mode 100644
index 0000000000..d416f34144
--- /dev/null
+++ b/browser/components/customizableui/test/browser_923857_customize_mode_event_wrapping_during_reset.js
@@ -0,0 +1,27 @@
+/* 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";
+
+// Customize mode reset button should revert correctly
+add_task(async function () {
+  await startCustomizing();
+  let devButton = document.getElementById("developer-button");
+  let fxaButton = document.getElementById("fxa-toolbar-menu-button");
+  let stopReloadButton = document.getElementById("stop-reload-button");
+  let palette = document.getElementById("customization-palette");
+  ok(
+    devButton && fxaButton && stopReloadButton && palette,
+    "Stuff should exist"
+  );
+  simulateItemDrag(devButton, fxaButton);
+  simulateItemDrag(stopReloadButton, palette);
+  await gCustomizeMode.reset();
+  ok(CustomizableUI.inDefaultState, "Should be back in default state");
+  await endCustomizing();
+});
+
+add_task(async function asyncCleanup() {
+  await resetCustomization();
+});