1 files changed, 47 insertions, 0 deletions
diff --git a/browser/components/customizableui/test/browser_948985_non_removable_defaultArea.js b/browser/components/customizableui/test/browser_948985_non_removable_defaultArea.js
new file mode 100644
index 0000000000..ce8d3c2d3a
--- /dev/null
+++ b/browser/components/customizableui/test/browser_948985_non_removable_defaultArea.js
@@ -0,0 +1,47 @@
+/* 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/. */
+
+const kWidgetId = "test-destroy-non-removable-defaultArea";
+
+add_task(function () {
+  let spec = {
+    id: kWidgetId,
+    label: "Test non-removable defaultArea re-adding.",
+    removable: false,
+    defaultArea: CustomizableUI.AREA_NAVBAR,
+  };
+  CustomizableUI.createWidget(spec);
+  let placement = CustomizableUI.getPlacementOfWidget(kWidgetId);
+  ok(placement, "Should have placed the widget.");
+  is(
+    placement && placement.area,
+    CustomizableUI.AREA_NAVBAR,
+    "Widget should be in navbar"
+  );
+  CustomizableUI.destroyWidget(kWidgetId);
+  CustomizableUI.removeWidgetFromArea(kWidgetId);
+
+  CustomizableUI.createWidget(spec);
+  ok(placement, "Should have placed the widget.");
+  is(
+    placement && placement.area,
+    CustomizableUI.AREA_NAVBAR,
+    "Widget should be in navbar"
+  );
+  CustomizableUI.destroyWidget(kWidgetId);
+  CustomizableUI.removeWidgetFromArea(kWidgetId);
+
+  const kPrefCustomizationAutoAdd = "browser.uiCustomization.autoAdd";
+  Services.prefs.setBoolPref(kPrefCustomizationAutoAdd, false);
+  CustomizableUI.createWidget(spec);
+  ok(placement, "Should have placed the widget.");
+  is(
+    placement && placement.area,
+    CustomizableUI.AREA_NAVBAR,
+    "Widget should be in navbar"
+  );
+  CustomizableUI.destroyWidget(kWidgetId);
+  CustomizableUI.removeWidgetFromArea(kWidgetId);
+  Services.prefs.clearUserPref(kPrefCustomizationAutoAdd);
+});