1 files changed, 36 insertions, 0 deletions
diff --git a/devtools/client/storage/test/browser_storage_indexeddb_overflow.js b/devtools/client/storage/test/browser_storage_indexeddb_overflow.js
new file mode 100644
index 0000000000..7ec65ea010
--- /dev/null
+++ b/devtools/client/storage/test/browser_storage_indexeddb_overflow.js
@@ -0,0 +1,36 @@
+/* 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/. */
+
+// Test endless scrolling when a lot of items are present in the storage
+// inspector table for IndexedDB.
+"use strict";
+
+const ITEMS_PER_PAGE = 50;
+
+add_task(async function () {
+  await openTabAndSetupStorage(
+    MAIN_DOMAIN_SECURED + "storage-overflow-indexeddb.html"
+  );
+
+  info("Run the tests with short DevTools");
+  await runTests();
+
+  info("Close Toolbox");
+  await gDevTools.closeToolboxForTab(gBrowser.selectedTab);
+});
+
+async function runTests() {
+  gUI.tree.expandAll();
+
+  await selectTreeItem([
+    "indexedDB",
+    "https://test1.example.org",
+    "database (default)",
+    "store",
+  ]);
+  checkCellLength(ITEMS_PER_PAGE);
+
+  await scroll();
+  checkCellLength(ITEMS_PER_PAGE * 2);
+}