From 9975c012045a63a9b0ecda3ce9a053503b521de1 Mon Sep 17 00:00:00 2001
From: hjiang <hjiang@anyscale.com>
Date: Tue, 17 Dec 2024 19:20:13 +0000
Subject: [PATCH] fix compilation on windows

---
 tests/test_file_logging.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/test_file_logging.cpp b/tests/test_file_logging.cpp
index 7a9ffd75..01036cdd 100644
--- a/tests/test_file_logging.cpp
+++ b/tests/test_file_logging.cpp
@@ -153,7 +153,7 @@ TEST_CASE("rotating_file_logger5", "[rotating_logger]") {
             return filename;
         }
         const auto old_fname = spdlog::sinks::rotating_file_sink_st::calc_filename(filename, index);
-        return old_fname + ".test_suffix";
+        return spdlog::fmt_lib::format("{}.test_suffix", old_fname);
     });
     auto logger = std::make_shared<spdlog::logger>("rotating_sink_logger", sink);