From 6f5e978a4762260c4bcf09e6adf4094859c70ffb Mon Sep 17 00:00:00 2001
From: Sandro Wenzel <sandro.wenzel@cern.ch>
Date: Mon, 24 Nov 2025 20:34:25 +0100
Subject: [PATCH] Exercise CalArray<PadFlags> loading in a TPC unit test

This makes it easy to valgrind the process.
It seems that despite the custom streamer, there are still sporadic segfaults
when exercising DeadChannelMapCreator::loadIDCPadFlags (at least on ARM64).
---
 Detectors/TPC/base/test/testTPCCalDet.cxx | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Detectors/TPC/base/test/testTPCCalDet.cxx b/Detectors/TPC/base/test/testTPCCalDet.cxx
index b93e952084396..fda38c2d03e91 100644
--- a/Detectors/TPC/base/test/testTPCCalDet.cxx
+++ b/Detectors/TPC/base/test/testTPCCalDet.cxx
@@ -24,6 +24,7 @@
 #include "TPCBase/CalDet.h"
 #include "TFile.h"
 #include "Framework/TypeTraits.h"
+#include "TPCBase/DeadChannelMapCreator.h"
 
 namespace o2::tpc
 {
@@ -344,4 +345,12 @@ BOOST_AUTO_TEST_CASE(CalDetTypeTest)
   BOOST_CHECK(testDict == true);
 }
 
+BOOST_AUTO_TEST_CASE(CalDetStreamerTest)
+{
+  // simple code executing the TPC IDCPadFlags loading in a standalone env --> easy to valgrind
+  o2::tpc::DeadChannelMapCreator creator{};
+  creator.init("https://alice-ccdb.cern.ch");
+  creator.loadIDCPadFlags(1731274461770);
+}
+
 } // namespace o2::tpc