Export of internal Abseil changes

--
d447fdcb801036cf08197eece193a5a706661120 by Gennadiy Rozental <rogeeff@google.com>:

Eliminate the need for static function holding help message. This decreases the cost of ABSL_FLAG abstraction by 120 bytes under clang.

PiperOrigin-RevId: 281107806

--
0aa6b91189f0e8b2381438c33465673a7ae02487 by Derek Mauro <dmauro@google.com>:

Disable the weak symbol CCTZ extension in the time test_util
on MinGW, which does not support it.

PiperOrigin-RevId: 280719769

--
67322c41c3e776eb541de90fa4526bdb49422eb6 by Abseil Team <absl-team@google.com>:

Tune PeriodicSampler implementation (for internal-use only)

PiperOrigin-RevId: 280708943

--
3a48c346340c7ed03816645cd327e1ff07729aa4 by Abseil Team <absl-team@google.com>:

Clean up public headers not to have warnings for "-Wcomma"

PiperOrigin-RevId: 280695373

--
981acd1ef3b13a83a84f04f11c8931f4ed4451c9 by Matthew Brown <matthewbr@google.com>:

Release absl::int128.

PiperOrigin-RevId: 280690817

--
d30fae9d2ec30b81322d2eb5afe7e13e45b4b422 by Derek Mauro <dmauro@google.com>:

Fix -Wundef warnings in random platform detection

PiperOrigin-RevId: 280669598
GitOrigin-RevId: d447fdcb801036cf08197eece193a5a706661120
Change-Id: Ie5e10e567c54b7de211833607689f233d4ddf734

1 files changed, 729 insertions, 0 deletions

diff --git a/absl/numeric/int128_stream_test.cc b/absl/numeric/int128_stream_test.cc
index 3cfa9dc1835a..479ad66cf4d5 100644
--- a/absl/numeric/int128_stream_test.cc
+++ b/absl/numeric/int128_stream_test.cc
@@ -147,6 +147,735 @@ TEST(Uint128, OStreamFormatTest) {
   }
 }
 
+struct Int128TestCase {
+  absl::int128 value;
+  std::ios_base::fmtflags flags;
+  std::streamsize width;
+  const char* expected;
+};
+
+void CheckInt128Case(const Int128TestCase& test_case) {
+  std::ostringstream os;
+  os.flags(test_case.flags);
+  os.width(test_case.width);
+  os.fill(kFill);
+  os << test_case.value;
+  SCOPED_TRACE(StreamFormatToString(test_case.flags, test_case.width));
+  EXPECT_EQ(test_case.expected, os.str());
+}
+
+TEST(Int128, OStreamValueTest) {
+  CheckInt128Case({1, kDec, /*width = */ 0, "1"});
+  CheckInt128Case({1, kOct, /*width = */ 0, "1"});
+  CheckInt128Case({1, kHex, /*width = */ 0, "1"});
+  CheckInt128Case({9, kDec, /*width = */ 0, "9"});
+  CheckInt128Case({9, kOct, /*width = */ 0, "11"});
+  CheckInt128Case({9, kHex, /*width = */ 0, "9"});
+  CheckInt128Case({12345, kDec, /*width = */ 0, "12345"});
+  CheckInt128Case({12345, kOct, /*width = */ 0, "30071"});
+  CheckInt128Case({12345, kHex, /*width = */ 0, "3039"});
+  CheckInt128Case(
+      {0x8000000000000000, kDec, /*width = */ 0, "9223372036854775808"});
+  CheckInt128Case(
+      {0x8000000000000000, kOct, /*width = */ 0, "1000000000000000000000"});
+  CheckInt128Case(
+      {0x8000000000000000, kHex, /*width = */ 0, "8000000000000000"});
+  CheckInt128Case({std::numeric_limits<uint64_t>::max(), kDec,
+                   /*width = */ 0, "18446744073709551615"});
+  CheckInt128Case({std::numeric_limits<uint64_t>::max(), kOct,
+                   /*width = */ 0, "1777777777777777777777"});
+  CheckInt128Case({std::numeric_limits<uint64_t>::max(), kHex,
+                   /*width = */ 0, "ffffffffffffffff"});
+  CheckInt128Case(
+      {absl::MakeInt128(1, 0), kDec, /*width = */ 0, "18446744073709551616"});
+  CheckInt128Case(
+      {absl::MakeInt128(1, 0), kOct, /*width = */ 0, "2000000000000000000000"});
+  CheckInt128Case(
+      {absl::MakeInt128(1, 0), kHex, /*width = */ 0, "10000000000000000"});
+  CheckInt128Case({absl::MakeInt128(std::numeric_limits<int64_t>::max(),
+                                    std::numeric_limits<uint64_t>::max()),
+                   std::ios::dec, /*width = */ 0,
+                   "170141183460469231731687303715884105727"});
+  CheckInt128Case({absl::MakeInt128(std::numeric_limits<int64_t>::max(),
+                                    std::numeric_limits<uint64_t>::max()),
+                   std::ios::oct, /*width = */ 0,
+                   "1777777777777777777777777777777777777777777"});
+  CheckInt128Case({absl::MakeInt128(std::numeric_limits<int64_t>::max(),
+                                    std::numeric_limits<uint64_t>::max()),
+                   std::ios::hex, /*width = */ 0,
+                   "7fffffffffffffffffffffffffffffff"});
+  CheckInt128Case({absl::MakeInt128(std::numeric_limits<int64_t>::min(), 0),
+                   std::ios::dec, /*width = */ 0,
+                   "-170141183460469231731687303715884105728"});
+  CheckInt128Case({absl::MakeInt128(std::numeric_limits<int64_t>::min(), 0),
+                   std::ios::oct, /*width = */ 0,
+                   "2000000000000000000000000000000000000000000"});
+  CheckInt128Case({absl::MakeInt128(std::numeric_limits<int64_t>::min(), 0),
+                   std::ios::hex, /*width = */ 0,
+                   "80000000000000000000000000000000"});
+  CheckInt128Case({-1, std::ios::dec, /*width = */ 0, "-1"});
+  CheckInt128Case({-1, std::ios::oct, /*width = */ 0,
+                   "3777777777777777777777777777777777777777777"});
+  CheckInt128Case(
+      {-1, std::ios::hex, /*width = */ 0, "ffffffffffffffffffffffffffffffff"});
+  CheckInt128Case({-12345, std::ios::dec, /*width = */ 0, "-12345"});
+  CheckInt128Case({-12345, std::ios::oct, /*width = */ 0,
+                   "3777777777777777777777777777777777777747707"});
+  CheckInt128Case({-12345, std::ios::hex, /*width = */ 0,
+                   "ffffffffffffffffffffffffffffcfc7"});
+}
+
+std::vector<Int128TestCase> GetInt128FormatCases();
+TEST(Int128, OStreamFormatTest) {
+  for (const Int128TestCase& test_case : GetInt128FormatCases()) {
+    CheckInt128Case(test_case);
+  }
+}
+
+std::vector<Int128TestCase> GetInt128FormatCases() {
+  return {
+      {0, std::ios_base::fmtflags(), /*width = */ 0, "0"},
+      {0, std::ios_base::fmtflags(), /*width = */ 6, "_____0"},
+      {0, kPos, /*width = */ 0, "+0"},
+      {0, kPos, /*width = */ 6, "____+0"},
+      {0, kBase, /*width = */ 0, "0"},
+      {0, kBase, /*width = */ 6, "_____0"},
+      {0, kBase | kPos, /*width = */ 0, "+0"},
+      {0, kBase | kPos, /*width = */ 6, "____+0"},
+      {0, kUpper, /*width = */ 0, "0"},
+      {0, kUpper, /*width = */ 6, "_____0"},
+      {0, kUpper | kPos, /*width = */ 0, "+0"},
+      {0, kUpper | kPos, /*width = */ 6, "____+0"},
+      {0, kUpper | kBase, /*width = */ 0, "0"},
+      {0, kUpper | kBase, /*width = */ 6, "_____0"},
+      {0, kUpper | kBase | kPos, /*width = */ 0, "+0"},
+      {0, kUpper | kBase | kPos, /*width = */ 6, "____+0"},
+      {0, kLeft, /*width = */ 0, "0"},
+      {0, kLeft, /*width = */ 6, "0_____"},
+      {0, kLeft | kPos, /*width = */ 0, "+0"},
+      {0, kLeft | kPos, /*width = */ 6, "+0____"},
+      {0, kLeft | kBase, /*width = */ 0, "0"},
+      {0, kLeft | kBase, /*width = */ 6, "0_____"},
+      {0, kLeft | kBase | kPos, /*width = */ 0, "+0"},
+      {0, kLeft | kBase | kPos, /*width = */ 6, "+0____"},
+      {0, kLeft | kUpper, /*width = */ 0, "0"},
+      {0, kLeft | kUpper, /*width = */ 6, "0_____"},
+      {0, kLeft | kUpper | kPos, /*width = */ 0, "+0"},
+      {0, kLeft | kUpper | kPos, /*width = */ 6, "+0____"},
+      {0, kLeft | kUpper | kBase, /*width = */ 0, "0"},
+      {0, kLeft | kUpper | kBase, /*width = */ 6, "0_____"},
+      {0, kLeft | kUpper | kBase | kPos, /*width = */ 0, "+0"},
+      {0, kLeft | kUpper | kBase | kPos, /*width = */ 6, "+0____"},
+      {0, kInt, /*width = */ 0, "0"},
+      {0, kInt, /*width = */ 6, "_____0"},
+      {0, kInt | kPos, /*width = */ 0, "+0"},
+      {0, kInt | kPos, /*width = */ 6, "+____0"},
+      {0, kInt | kBase, /*width = */ 0, "0"},
+      {0, kInt | kBase, /*width = */ 6, "_____0"},
+      {0, kInt | kBase | kPos, /*width = */ 0, "+0"},
+      {0, kInt | kBase | kPos, /*width = */ 6, "+____0"},
+      {0, kInt | kUpper, /*width = */ 0, "0"},
+      {0, kInt | kUpper, /*width = */ 6, "_____0"},
+      {0, kInt | kUpper | kPos, /*width = */ 0, "+0"},
+      {0, kInt | kUpper | kPos, /*width = */ 6, "+____0"},
+      {0, kInt | kUpper | kBase, /*width = */ 0, "0"},
+      {0, kInt | kUpper | kBase, /*width = */ 6, "_____0"},
+      {0, kInt | kUpper | kBase | kPos, /*width = */ 0, "+0"},
+      {0, kInt | kUpper | kBase | kPos, /*width = */ 6, "+____0"},
+      {0, kRight, /*width = */ 0, "0"},
+      {0, kRight, /*width = */ 6, "_____0"},
+      {0, kRight | kPos, /*width = */ 0, "+0"},
+      {0, kRight | kPos, /*width = */ 6, "____+0"},
+      {0, kRight | kBase, /*width = */ 0, "0"},
+      {0, kRight | kBase, /*width = */ 6, "_____0"},
+      {0, kRight | kBase | kPos, /*width = */ 0, "+0"},
+      {0, kRight | kBase | kPos, /*width = */ 6, "____+0"},
+      {0, kRight | kUpper, /*width = */ 0, "0"},
+      {0, kRight | kUpper, /*width = */ 6, "_____0"},
+      {0, kRight | kUpper | kPos, /*width = */ 0, "+0"},
+      {0, kRight | kUpper | kPos, /*width = */ 6, "____+0"},
+      {0, kRight | kUpper | kBase, /*width = */ 0, "0"},
+      {0, kRight | kUpper | kBase, /*width = */ 6, "_____0"},
+      {0, kRight | kUpper | kBase | kPos, /*width = */ 0, "+0"},
+      {0, kRight | kUpper | kBase | kPos, /*width = */ 6, "____+0"},
+      {0, kDec, /*width = */ 0, "0"},
+      {0, kDec, /*width = */ 6, "_____0"},
+      {0, kDec | kPos, /*width = */ 0, "+0"},
+      {0, kDec | kPos, /*width = */ 6, "____+0"},
+      {0, kDec | kBase, /*width = */ 0, "0"},
+      {0, kDec | kBase, /*width = */ 6, "_____0"},
+      {0, kDec | kBase | kPos, /*width = */ 0, "+0"},
+      {0, kDec | kBase | kPos, /*width = */ 6, "____+0"},
+      {0, kDec | kUpper, /*width = */ 0, "0"},
+      {0, kDec | kUpper, /*width = */ 6, "_____0"},
+      {0, kDec | kUpper | kPos, /*width = */ 0, "+0"},
+      {0, kDec | kUpper | kPos, /*width = */ 6, "____+0"},
+      {0, kDec | kUpper | kBase, /*width = */ 0, "0"},
+      {0, kDec | kUpper | kBase, /*width = */ 6, "_____0"},
+      {0, kDec | kUpper | kBase | kPos, /*width = */ 0, "+0"},
+      {0, kDec | kUpper | kBase | kPos, /*width = */ 6, "____+0"},
+      {0, kDec | kLeft, /*width = */ 0, "0"},
+      {0, kDec | kLeft, /*width = */ 6, "0_____"},
+      {0, kDec | kLeft | kPos, /*width = */ 0, "+0"},
+      {0, kDec | kLeft | kPos, /*width = */ 6, "+0____"},
+      {0, kDec | kLeft | kBase, /*width = */ 0, "0"},
+      {0, kDec | kLeft | kBase, /*width = */ 6, "0_____"},
+      {0, kDec | kLeft | kBase | kPos, /*width = */ 0, "+0"},
+      {0, kDec | kLeft | kBase | kPos, /*width = */ 6, "+0____"},
+      {0, kDec | kLeft | kUpper, /*width = */ 0, "0"},
+      {0, kDec | kLeft | kUpper, /*width = */ 6, "0_____"},
+      {0, kDec | kLeft | kUpper | kPos, /*width = */ 0, "+0"},
+      {0, kDec | kLeft | kUpper | kPos, /*width = */ 6, "+0____"},
+      {0, kDec | kLeft | kUpper | kBase, /*width = */ 0, "0"},
+      {0, kDec | kLeft | kUpper | kBase, /*width = */ 6, "0_____"},
+      {0, kDec | kLeft | kUpper | kBase | kPos, /*width = */ 0, "+0"},
+      {0, kDec | kLeft | kUpper | kBase | kPos, /*width = */ 6, "+0____"},
+      {0, kDec | kInt, /*width = */ 0, "0"},
+      {0, kDec | kInt, /*width = */ 6, "_____0"},
+      {0, kDec | kInt | kPos, /*width = */ 0, "+0"},
+      {0, kDec | kInt | kPos, /*width = */ 6, "+____0"},
+      {0, kDec | kInt | kBase, /*width = */ 0, "0"},
+      {0, kDec | kInt | kBase, /*width = */ 6, "_____0"},
+      {0, kDec | kInt | kBase | kPos, /*width = */ 0, "+0"},
+      {0, kDec | kInt | kBase | kPos, /*width = */ 6, "+____0"},
+      {0, kDec | kInt | kUpper, /*width = */ 0, "0"},
+      {0, kDec | kInt | kUpper, /*width = */ 6, "_____0"},
+      {0, kDec | kInt | kUpper | kPos, /*width = */ 0, "+0"},
+      {0, kDec | kInt | kUpper | kPos, /*width = */ 6, "+____0"},
+      {0, kDec | kInt | kUpper | kBase, /*width = */ 0, "0"},
+      {0, kDec | kInt | kUpper | kBase, /*width = */ 6, "_____0"},
+      {0, kDec | kInt | kUpper | kBase | kPos, /*width = */ 0, "+0"},
+      {0, kDec | kInt | kUpper | kBase | kPos, /*width = */ 6, "+____0"},
+      {0, kDec | kRight, /*width = */ 0, "0"},
+      {0, kDec | kRight, /*width = */ 6, "_____0"},
+      {0, kDec | kRight | kPos, /*width = */ 0, "+0"},
+      {0, kDec | kRight | kPos, /*width = */ 6, "____+0"},
+      {0, kDec | kRight | kBase, /*width = */ 0, "0"},
+      {0, kDec | kRight | kBase, /*width = */ 6, "_____0"},
+      {0, kDec | kRight | kBase | kPos, /*width = */ 0, "+0"},
+      {0, kDec | kRight | kBase | kPos, /*width = */ 6, "____+0"},
+      {0, kDec | kRight | kUpper, /*width = */ 0, "0"},
+      {0, kDec | kRight | kUpper, /*width = */ 6, "_____0"},
+      {0, kDec | kRight | kUpper | kPos, /*width = */ 0, "+0"},
+      {0, kDec | kRight | kUpper | kPos, /*width = */ 6, "____+0"},
+      {0, kDec | kRight | kUpper | kBase, /*width = */ 0, "0"},
+      {0, kDec | kRight | kUpper | kBase, /*width = */ 6, "_____0"},
+      {0, kDec | kRight | kUpper | kBase | kPos, /*width = */ 0, "+0"},
+      {0, kDec | kRight | kUpper | kBase | kPos, /*width = */ 6, "____+0"},
+      {0, kOct, /*width = */ 0, "0"},
+      {0, kOct, /*width = */ 6, "_____0"},
+      {0, kOct | kPos, /*width = */ 0, "0"},
+      {0, kOct | kPos, /*width = */ 6, "_____0"},
+      {0, kOct | kBase, /*width = */ 0, "0"},
+      {0, kOct | kBase, /*width = */ 6, "_____0"},
+      {0, kOct | kBase | kPos, /*width = */ 0, "0"},
+      {0, kOct | kBase | kPos, /*width = */ 6, "_____0"},
+      {0, kOct | kUpper, /*width = */ 0, "0"},
+      {0, kOct | kUpper, /*width = */ 6, "_____0"},
+      {0, kOct | kUpper | kPos, /*width = */ 0, "0"},
+      {0, kOct | kUpper | kPos, /*width = */ 6, "_____0"},
+      {0, kOct | kUpper | kBase, /*width = */ 0, "0"},
+      {0, kOct | kUpper | kBase, /*width = */ 6, "_____0"},
+      {0, kOct | kUpper | kBase | kPos, /*width = */ 0, "0"},
+      {0, kOct | kUpper | kBase | kPos, /*width = */ 6, "_____0"},
+      {0, kOct | kLeft, /*width = */ 0, "0"},
+      {0, kOct | kLeft, /*width = */ 6, "0_____"},
+      {0, kOct | kLeft | kPos, /*width = */ 0, "0"},
+      {0, kOct | kLeft | kPos, /*width = */ 6, "0_____"},
+      {0, kOct | kLeft | kBase, /*width = */ 0, "0"},
+      {0, kOct | kLeft | kBase, /*width = */ 6, "0_____"},
+      {0, kOct | kLeft | kBase | kPos, /*width = */ 0, "0"},
+      {0, kOct | kLeft | kBase | kPos, /*width = */ 6, "0_____"},
+      {0, kOct | kLeft | kUpper, /*width = */ 0, "0"},
+      {0, kOct | kLeft | kUpper, /*width = */ 6, "0_____"},
+      {0, kOct | kLeft | kUpper | kPos, /*width = */ 0, "0"},
+      {0, kOct | kLeft | kUpper | kPos, /*width = */ 6, "0_____"},
+      {0, kOct | kLeft | kUpper | kBase, /*width = */ 0, "0"},
+      {0, kOct | kLeft | kUpper | kBase, /*width = */ 6, "0_____"},
+      {0, kOct | kLeft | kUpper | kBase | kPos, /*width = */ 0, "0"},
+      {0, kOct | kLeft | kUpper | kBase | kPos, /*width = */ 6, "0_____"},
+      {0, kOct | kInt, /*width = */ 0, "0"},
+      {0, kOct | kInt, /*width = */ 6, "_____0"},
+      {0, kOct | kInt | kPos, /*width = */ 0, "0"},
+      {0, kOct | kInt | kPos, /*width = */ 6, "_____0"},
+      {0, kOct | kInt | kBase, /*width = */ 0, "0"},
+      {0, kOct | kInt | kBase, /*width = */ 6, "_____0"},
+      {0, kOct | kInt | kBase | kPos, /*width = */ 0, "0"},
+      {0, kOct | kInt | kBase | kPos, /*width = */ 6, "_____0"},
+      {0, kOct | kInt | kUpper, /*width = */ 0, "0"},
+      {0, kOct | kInt | kUpper, /*width = */ 6, "_____0"},
+      {0, kOct | kInt | kUpper | kPos, /*width = */ 0, "0"},
+      {0, kOct | kInt | kUpper | kPos, /*width = */ 6, "_____0"},
+      {0, kOct | kInt | kUpper | kBase, /*width = */ 0, "0"},
+      {0, kOct | kInt | kUpper | kBase, /*width = */ 6, "_____0"},
+      {0, kOct | kInt | kUpper | kBase | kPos, /*width = */ 0, "0"},
+      {0, kOct | kInt | kUpper | kBase | kPos, /*width = */ 6, "_____0"},
+      {0, kOct | kRight, /*width = */ 0, "0"},
+      {0, kOct | kRight, /*width = */ 6, "_____0"},
+      {0, kOct | kRight | kPos, /*width = */ 0, "0"},
+      {0, kOct | kRight | kPos, /*width = */ 6, "_____0"},
+      {0, kOct | kRight | kBase, /*width = */ 0, "0"},
+      {0, kOct | kRight | kBase, /*width = */ 6, "_____0"},
+      {0, kOct | kRight | kBase | kPos, /*width = */ 0, "0"},
+      {0, kOct | kRight | kBase | kPos, /*width = */ 6, "_____0"},
+      {0, kOct | kRight | kUpper, /*width = */ 0, "0"},
+      {0, kOct | kRight | kUpper, /*width = */ 6, "_____0"},
+      {0, kOct | kRight | kUpper | kPos, /*width = */ 0, "0"},
+      {0, kOct | kRight | kUpper | kPos, /*width = */ 6, "_____0"},
+      {0, kOct | kRight | kUpper | kBase, /*width = */ 0, "0"},
+      {0, kOct | kRight | kUpper | kBase, /*width = */ 6, "_____0"},
+      {0, kOct | kRight | kUpper | kBase | kPos, /*width = */ 0, "0"},
+      {0, kOct | kRight | kUpper | kBase | kPos, /*width = */ 6, "_____0"},
+      {0, kHex, /*width = */ 0, "0"},
+      {0, kHex, /*width = */ 6, "_____0"},
+      {0, kHex | kPos, /*width = */ 0, "0"},
+      {0, kHex | kPos, /*width = */ 6, "_____0"},
+      {0, kHex | kBase, /*width = */ 0, "0"},
+      {0, kHex | kBase, /*width = */ 6, "_____0"},
+      {0, kHex | kBase | kPos, /*width = */ 0, "0"},
+      {0, kHex | kBase | kPos, /*width = */ 6, "_____0"},
+      {0, kHex | kUpper, /*width = */ 0, "0"},
+      {0, kHex | kUpper, /*width = */ 6, "_____0"},
+      {0, kHex | kUpper | kPos, /*width = */ 0, "0"},
+      {0, kHex | kUpper | kPos, /*width = */ 6, "_____0"},
+      {0, kHex | kUpper | kBase, /*width = */ 0, "0"},
+      {0, kHex | kUpper | kBase, /*width = */ 6, "_____0"},
+      {0, kHex | kUpper | kBase | kPos, /*width = */ 0, "0"},
+      {0, kHex | kUpper | kBase | kPos, /*width = */ 6, "_____0"},
+      {0, kHex | kLeft, /*width = */ 0, "0"},
+      {0, kHex | kLeft, /*width = */ 6, "0_____"},
+      {0, kHex | kLeft | kPos, /*width = */ 0, "0"},
+      {0, kHex | kLeft | kPos, /*width = */ 6, "0_____"},
+      {0, kHex | kLeft | kBase, /*width = */ 0, "0"},
+      {0, kHex | kLeft | kBase, /*width = */ 6, "0_____"},
+      {0, kHex | kLeft | kBase | kPos, /*width = */ 0, "0"},
+      {0, kHex | kLeft | kBase | kPos, /*width = */ 6, "0_____"},
+      {0, kHex | kLeft | kUpper, /*width = */ 0, "0"},
+      {0, kHex | kLeft | kUpper, /*width = */ 6, "0_____"},
+      {0, kHex | kLeft | kUpper | kPos, /*width = */ 0, "0"},
+      {0, kHex | kLeft | kUpper | kPos, /*width = */ 6, "0_____"},
+      {0, kHex | kLeft | kUpper | kBase, /*width = */ 0, "0"},
+      {0, kHex | kLeft | kUpper | kBase, /*width = */ 6, "0_____"},
+      {0, kHex | kLeft | kUpper | kBase | kPos, /*width = */ 0, "0"},
+      {0, kHex | kLeft | kUpper | kBase | kPos, /*width = */ 6, "0_____"},
+      {0, kHex | kInt, /*width = */ 0, "0"},
+      {0, kHex | kInt, /*width = */ 6, "_____0"},
+      {0, kHex | kInt | kPos, /*width = */ 0, "0"},
+      {0, kHex | kInt | kPos, /*width = */ 6, "_____0"},
+      {0, kHex | kInt | kBase, /*width = */ 0, "0"},
+      {0, kHex | kInt | kBase, /*width = */ 6, "_____0"},
+      {0, kHex | kInt | kBase | kPos, /*width = */ 0, "0"},
+      {0, kHex | kInt | kBase | kPos, /*width = */ 6, "_____0"},
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+      {-321, kLeft | kUpper | kBase | kPos, /*width = */ 6, "-321__"},
+      {-321, kInt, /*width = */ 0, "-321"},
+      {-321, kInt, /*width = */ 6, "-__321"},
+      {-321, kInt | kPos, /*width = */ 0, "-321"},
+      {-321, kInt | kPos, /*width = */ 6, "-__321"},
+      {-321, kInt | kBase, /*width = */ 0, "-321"},
+      {-321, kInt | kBase, /*width = */ 6, "-__321"},
+      {-321, kInt | kBase | kPos, /*width = */ 0, "-321"},
+      {-321, kInt | kBase | kPos, /*width = */ 6, "-__321"},
+      {-321, kInt | kUpper, /*width = */ 0, "-321"},
+      {-321, kInt | kUpper, /*width = */ 6, "-__321"},
+      {-321, kInt | kUpper | kPos, /*width = */ 0, "-321"},
+      {-321, kInt | kUpper | kPos, /*width = */ 6, "-__321"},
+      {-321, kInt | kUpper | kBase, /*width = */ 0, "-321"},
+      {-321, kInt | kUpper | kBase, /*width = */ 6, "-__321"},
+      {-321, kInt | kUpper | kBase | kPos, /*width = */ 0, "-321"},
+      {-321, kInt | kUpper | kBase | kPos, /*width = */ 6, "-__321"},
+      {-321, kRight, /*width = */ 0, "-321"},
+      {-321, kRight, /*width = */ 6, "__-321"},
+      {-321, kRight | kPos, /*width = */ 0, "-321"},
+      {-321, kRight | kPos, /*width = */ 6, "__-321"},
+      {-321, kRight | kBase, /*width = */ 0, "-321"},
+      {-321, kRight | kBase, /*width = */ 6, "__-321"},
+      {-321, kRight | kBase | kPos, /*width = */ 0, "-321"},
+      {-321, kRight | kBase | kPos, /*width = */ 6, "__-321"},
+      {-321, kRight | kUpper, /*width = */ 0, "-321"},
+      {-321, kRight | kUpper, /*width = */ 6, "__-321"},
+      {-321, kRight | kUpper | kPos, /*width = */ 0, "-321"},
+      {-321, kRight | kUpper | kPos, /*width = */ 6, "__-321"},
+      {-321, kRight | kUpper | kBase, /*width = */ 0, "-321"},
+      {-321, kRight | kUpper | kBase, /*width = */ 6, "__-321"},
+      {-321, kRight | kUpper | kBase | kPos, /*width = */ 0, "-321"},
+      {-321, kRight | kUpper | kBase | kPos, /*width = */ 6, "__-321"},
+      {-321, kDec, /*width = */ 0, "-321"},
+      {-321, kDec, /*width = */ 6, "__-321"},
+      {-321, kDec | kPos, /*width = */ 0, "-321"},
+      {-321, kDec | kPos, /*width = */ 6, "__-321"},
+      {-321, kDec | kBase, /*width = */ 0, "-321"},
+      {-321, kDec | kBase, /*width = */ 6, "__-321"},
+      {-321, kDec | kBase | kPos, /*width = */ 0, "-321"},
+      {-321, kDec | kBase | kPos, /*width = */ 6, "__-321"},
+      {-321, kDec | kUpper, /*width = */ 0, "-321"},
+      {-321, kDec | kUpper, /*width = */ 6, "__-321"},
+      {-321, kDec | kUpper | kPos, /*width = */ 0, "-321"},
+      {-321, kDec | kUpper | kPos, /*width = */ 6, "__-321"},
+      {-321, kDec | kUpper | kBase, /*width = */ 0, "-321"},
+      {-321, kDec | kUpper | kBase, /*width = */ 6, "__-321"},
+      {-321, kDec | kUpper | kBase | kPos, /*width = */ 0, "-321"},
+      {-321, kDec | kUpper | kBase | kPos, /*width = */ 6, "__-321"},
+      {-321, kDec | kLeft, /*width = */ 0, "-321"},
+      {-321, kDec | kLeft, /*width = */ 6, "-321__"},
+      {-321, kDec | kLeft | kPos, /*width = */ 0, "-321"},
+      {-321, kDec | kLeft | kPos, /*width = */ 6, "-321__"},
+      {-321, kDec | kLeft | kBase, /*width = */ 0, "-321"},
+      {-321, kDec | kLeft | kBase, /*width = */ 6, "-321__"},
+      {-321, kDec | kLeft | kBase | kPos, /*width = */ 0, "-321"},
+      {-321, kDec | kLeft | kBase | kPos, /*width = */ 6, "-321__"},
+      {-321, kDec | kLeft | kUpper, /*width = */ 0, "-321"},
+      {-321, kDec | kLeft | kUpper, /*width = */ 6, "-321__"},
+      {-321, kDec | kLeft | kUpper | kPos, /*width = */ 0, "-321"},
+      {-321, kDec | kLeft | kUpper | kPos, /*width = */ 6, "-321__"},
+      {-321, kDec | kLeft | kUpper | kBase, /*width = */ 0, "-321"},
+      {-321, kDec | kLeft | kUpper | kBase, /*width = */ 6, "-321__"},
+      {-321, kDec | kLeft | kUpper | kBase | kPos, /*width = */ 0, "-321"},
+      {-321, kDec | kLeft | kUpper | kBase | kPos, /*width = */ 6, "-321__"},
+      {-321, kDec | kInt, /*width = */ 0, "-321"},
+      {-321, kDec | kInt, /*width = */ 6, "-__321"},
+      {-321, kDec | kInt | kPos, /*width = */ 0, "-321"},
+      {-321, kDec | kInt | kPos, /*width = */ 6, "-__321"},
+      {-321, kDec | kInt | kBase, /*width = */ 0, "-321"},
+      {-321, kDec | kInt | kBase, /*width = */ 6, "-__321"},
+      {-321, kDec | kInt | kBase | kPos, /*width = */ 0, "-321"},
+      {-321, kDec | kInt | kBase | kPos, /*width = */ 6, "-__321"},
+      {-321, kDec | kInt | kUpper, /*width = */ 0, "-321"},
+      {-321, kDec | kInt | kUpper, /*width = */ 6, "-__321"},
+      {-321, kDec | kInt | kUpper | kPos, /*width = */ 0, "-321"},
+      {-321, kDec | kInt | kUpper | kPos, /*width = */ 6, "-__321"},
+      {-321, kDec | kInt | kUpper | kBase, /*width = */ 0, "-321"},
+      {-321, kDec | kInt | kUpper | kBase, /*width = */ 6, "-__321"},
+      {-321, kDec | kInt | kUpper | kBase | kPos, /*width = */ 0, "-321"},
+      {-321, kDec | kInt | kUpper | kBase | kPos, /*width = */ 6, "-__321"},
+      {-321, kDec | kRight, /*width = */ 0, "-321"},
+      {-321, kDec | kRight, /*width = */ 6, "__-321"},
+      {-321, kDec | kRight | kPos, /*width = */ 0, "-321"},
+      {-321, kDec | kRight | kPos, /*width = */ 6, "__-321"},
+      {-321, kDec | kRight | kBase, /*width = */ 0, "-321"},
+      {-321, kDec | kRight | kBase, /*width = */ 6, "__-321"},
+      {-321, kDec | kRight | kBase | kPos, /*width = */ 0, "-321"},
+      {-321, kDec | kRight | kBase | kPos, /*width = */ 6, "__-321"},
+      {-321, kDec | kRight | kUpper, /*width = */ 0, "-321"},
+      {-321, kDec | kRight | kUpper, /*width = */ 6, "__-321"},
+      {-321, kDec | kRight | kUpper | kPos, /*width = */ 0, "-321"},
+      {-321, kDec | kRight | kUpper | kPos, /*width = */ 6, "__-321"},
+      {-321, kDec | kRight | kUpper | kBase, /*width = */ 0, "-321"},
+      {-321, kDec | kRight | kUpper | kBase, /*width = */ 6, "__-321"},
+      {-321, kDec | kRight | kUpper | kBase | kPos, /*width = */ 0, "-321"},
+      {-321, kDec | kRight | kUpper | kBase | kPos, /*width = */ 6, "__-321"}};
+}
+
 std::vector<Uint128TestCase> GetUint128FormatCases() {
   return {
       {0, std::ios_base::fmtflags(), /*width = */ 0, "0"},