From 4298687d8bfaec812dd8b3b82400e1bd2b1466fa Mon Sep 17 00:00:00 2001
From: Vladislav Shchapov <vladislav@shchapov.ru>
Date: Sat, 5 Aug 2023 13:41:34 +0500
Subject: [PATCH] Add test for std::bitset<N>::reference

Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
---
 test/std-test.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/test/std-test.cc b/test/std-test.cc
index 643d93c6..53c0559e 100644
--- a/test/std-test.cc
+++ b/test/std-test.cc
@@ -7,6 +7,7 @@
 
 #include "fmt/std.h"
 
+#include <bitset>
 #include <stdexcept>
 #include <string>
 #include <vector>
@@ -222,7 +223,9 @@ TEST(std_test, exception) {
 #endif
 }
 
-TEST(std_test, format_vector_bool_specialization) {
+TEST(std_test, format_bit_reference) {
+  std::bitset<2> bs(1);
+  EXPECT_EQ(fmt::format("{} {}", bs[0], bs[1]), "true false");
   std::vector<bool> v = {true, false};
   EXPECT_EQ(fmt::format("{} {}", v[0], v[1]), "true false");
 }