From a2826e898323c206ac54c1781040e0eefd19468a Mon Sep 17 00:00:00 2001
From: Simon Gene Gottlieb <simon@gottliebtfreitag.de>
Date: Wed, 10 Dec 2025 03:47:08 +0100
Subject: [PATCH] fix: unittests sets locale before testing

the convert_with_stringstream seems to be missing a
.imbue() call to set the locale independent of the global state.
Not setting this, can in some settings lead to errors, see Issue #1366.
---
 test/fptostring_test.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/fptostring_test.cpp b/test/fptostring_test.cpp
index 3f377ab..3301c63 100644
--- a/test/fptostring_test.cpp
+++ b/test/fptostring_test.cpp
@@ -10,6 +10,7 @@ namespace {
 template <typename T>
 static std::string convert_with_stringstream(T v, size_t precision = 0) {
   std::stringstream ss;
+  ss.imbue(std::locale::classic());
   if (precision > 0) {
     ss << std::setprecision(precision);
   }