From ed78b06524f84f0fc5c0fbf2d6dd87e42d652e0f Mon Sep 17 00:00:00 2001
From: Aglargil <1252223935@qq.com>
Date: Thu, 6 Feb 2025 15:24:56 +0800
Subject: [PATCH] Use recursive call in Blackboard::createEntry

---
 src/blackboard.cpp         |  2 +-
 tests/gtest_blackboard.cpp | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/blackboard.cpp b/src/blackboard.cpp
index 0f1f304db..2202f1260 100644
--- a/src/blackboard.cpp
+++ b/src/blackboard.cpp
@@ -143,7 +143,7 @@ void Blackboard::createEntry(const std::string& key, const TypeInfo& info)
 {
   if(StartWith(key, '@'))
   {
-    rootBlackboard()->createEntryImpl(key.substr(1, key.size() - 1), info);
+    rootBlackboard()->createEntry(key.substr(1, key.size() - 1), info);
   }
   else
   {
diff --git a/tests/gtest_blackboard.cpp b/tests/gtest_blackboard.cpp
index fcbc272a3..ffe0e656a 100644
--- a/tests/gtest_blackboard.cpp
+++ b/tests/gtest_blackboard.cpp
@@ -654,3 +654,14 @@ TEST(BlackboardTest, TimestampedInterface)
   ASSERT_EQ(stamp_opt->seq, 2);
   ASSERT_GE(stamp_opt->time.count(), nsec_before);
 }
+
+TEST(BlackboardTest, EmptyKeyTest)
+{
+  auto bb = BT::Blackboard::create();
+  bb->set("", 2);
+  ASSERT_EQ(bb->get<int>(""), 2);
+  bb->set("@@", 3);
+  ASSERT_EQ(bb->get<int>("@@"), 3);
+  ASSERT_EQ(bb->get<int>("@"), 3);
+  ASSERT_EQ(bb->get<int>(""), 3);
+}