From 19642310c63739cac6a9991938477cedcee8be3a Mon Sep 17 00:00:00 2001
From: Kunle <67528514+unw9527@users.noreply.github.com>
Date: Mon, 18 Nov 2024 21:54:47 -0500
Subject: [PATCH] add(p2): test for deleting the only remaining node (#776)

---
 test/storage/b_plus_tree_delete_test.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/test/storage/b_plus_tree_delete_test.cpp b/test/storage/b_plus_tree_delete_test.cpp
index c6bfa7afd..3b11f184a 100644
--- a/test/storage/b_plus_tree_delete_test.cpp
+++ b/test/storage/b_plus_tree_delete_test.cpp
@@ -81,6 +81,13 @@ TEST(BPlusTreeTests, DISABLED_DeleteTestNoIterator) {
     }
   }
   EXPECT_EQ(size, 1);
+
+  // Remove the remaining key
+  index_key.SetFromInteger(2);
+  tree.Remove(index_key);
+  auto root_page_id = tree.GetRootPageId();
+  ASSERT_EQ(root_page_id, INVALID_PAGE_ID);
+
   delete bpm;
 }