1 files changed, 26 insertions, 0 deletions
diff --git a/browser/components/customizableui/test/browser_944887_destroyWidget_should_destroy_in_palette.js b/browser/components/customizableui/test/browser_944887_destroyWidget_should_destroy_in_palette.js
new file mode 100644
index 0000000000..3da14ab217
--- /dev/null
+++ b/browser/components/customizableui/test/browser_944887_destroyWidget_should_destroy_in_palette.js
@@ -0,0 +1,26 @@
+/* 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 kWidgetId = "test-destroy-in-palette";
+
+// Check destroyWidget destroys the node if it's in the palette
+add_task(async function () {
+  CustomizableUI.createWidget({
+    id: kWidgetId,
+    label: "Test destroying widgets in palette.",
+  });
+  await startCustomizing();
+  await endCustomizing();
+  ok(
+    gNavToolbox.palette.querySelector("#" + kWidgetId),
+    "Widget still exists in palette."
+  );
+  CustomizableUI.destroyWidget(kWidgetId);
+  ok(
+    !gNavToolbox.palette.querySelector("#" + kWidgetId),
+    "Widget no longer exists in palette."
+  );
+});