1 files changed, 21 insertions, 0 deletions
diff --git a/toolkit/components/places/tests/unit/test_PlacesUtils_isRootItem.js b/toolkit/components/places/tests/unit/test_PlacesUtils_isRootItem.js
new file mode 100644
index 0000000000..f626d437e0
--- /dev/null
+++ b/toolkit/components/places/tests/unit/test_PlacesUtils_isRootItem.js
@@ -0,0 +1,21 @@
+"use strict";
+
+const GUIDS = [
+  PlacesUtils.bookmarks.rootGuid,
+  ...PlacesUtils.bookmarks.userContentRoots,
+  PlacesUtils.bookmarks.tagsGuid,
+];
+
+add_task(async function test_isRootItem() {
+  for (let guid of GUIDS) {
+    Assert.ok(
+      PlacesUtils.isRootItem(guid),
+      `Should correctly identify root item ${guid}`
+    );
+  }
+
+  Assert.ok(
+    !PlacesUtils.isRootItem("fakeguid1234"),
+    "Should not identify other items as root."
+  );
+});