YT: Removed extra trailing comma in std::tuple formatting

commit_hash:19b37bd3d7e3b4d80e4844676c881bbef1fec76b

1 files changed, 7 insertions, 0 deletions

diff --git a/library/cpp/yt/string/unittests/format_ut.cpp b/library/cpp/yt/string/unittests/format_ut.cpp
index 8aca8c8e29..e6b5eb7cfe 100644
--- a/library/cpp/yt/string/unittests/format_ut.cpp
+++ b/library/cpp/yt/string/unittests/format_ut.cpp
@@ -239,6 +239,13 @@ TEST(TFormatTest, Pointers)
     }
 }
 
+TEST(TFormatTest, Tuples)
+{
+    EXPECT_EQ("{}", Format("%v", std::tuple()));
+    EXPECT_EQ("{1, 2, 3}", Format("%v", std::tuple(1, 2, 3)));
+    EXPECT_EQ("{1, 2}", Format("%v", std::pair(1, 2)));
+}
+
 TEST(TFormatTest, LazyMultiValueFormatter)
 {
     int i = 1;