Support for int128 to string type conversion.

PiperOrigin-RevId: 542269673
Change-Id: Ib6f7e9a57f83d73dd6fb9c45fc9f85ff0fdd75fe

1 files changed, 7 insertions, 0 deletions

diff --git a/absl/numeric/int128_stream_test.cc b/absl/numeric/int128_stream_test.cc
index 81d2adee..bd937847 100644
--- a/absl/numeric/int128_stream_test.cc
+++ b/absl/numeric/int128_stream_test.cc
@@ -18,6 +18,7 @@
 #include <string>
 
 #include "gtest/gtest.h"
+#include "absl/strings/str_cat.h"
 
 namespace {
 
@@ -87,6 +88,9 @@ constexpr std::ios::fmtflags kBase = std::ios::showbase;
 constexpr std::ios::fmtflags kPos = std::ios::showpos;
 
 void CheckUint128Case(const Uint128TestCase& test_case) {
+  if (test_case.flags == kDec && test_case.width == 0) {
+    EXPECT_EQ(absl::StrCat(test_case.value), test_case.expected);
+  }
   std::ostringstream os;
   os.flags(test_case.flags);
   os.width(test_case.width);
@@ -155,6 +159,9 @@ struct Int128TestCase {
 };
 
 void CheckInt128Case(const Int128TestCase& test_case) {
+  if (test_case.flags == kDec && test_case.width == 0) {
+    EXPECT_EQ(absl::StrCat(test_case.value), test_case.expected);
+  }
   std::ostringstream os;
   os.flags(test_case.flags);
   os.width(test_case.width);