1 files changed, 35 insertions, 0 deletions
diff --git a/browser/components/customizableui/test/browser_remove_customized_specials.js b/browser/components/customizableui/test/browser_remove_customized_specials.js
new file mode 100644
index 0000000000..1f123d10cb
--- /dev/null
+++ b/browser/components/customizableui/test/browser_remove_customized_specials.js
@@ -0,0 +1,35 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Check that after a reset, we can still drag special nodes in customize mode
+ */
+add_task(async function () {
+  await startCustomizing();
+  CustomizableUI.addWidgetToArea("spring", "nav-bar", 5);
+  await gCustomizeMode.reset();
+  let springs = document.querySelectorAll("#nav-bar toolbarspring");
+  let lastSpring = springs[springs.length - 1];
+  let expectedPlacements = CustomizableUI.getWidgetIdsInArea("nav-bar");
+  info("Placements before drag: " + expectedPlacements.join(","));
+  let lastItem = document.getElementById(
+    expectedPlacements[expectedPlacements.length - 1]
+  );
+  await waitForElementShown(lastItem);
+  simulateItemDrag(lastSpring, lastItem, "end");
+  expectedPlacements.splice(expectedPlacements.indexOf(lastSpring.id), 1);
+  expectedPlacements.push(lastSpring.id);
+  let actualPlacements = CustomizableUI.getWidgetIdsInArea("nav-bar");
+  // Log these separately because Assert.deepEqual truncates the stringified versions...
+  info("Actual placements: " + actualPlacements.join(","));
+  info("Expected placements: " + expectedPlacements.join(","));
+  Assert.deepEqual(
+    expectedPlacements,
+    actualPlacements,
+    "Should be able to move spring"
+  );
+  await gCustomizeMode.reset();
+  await endCustomizing();
+});