diff options
Diffstat (limited to 'absl/numeric/int128_test.cc')
-rw-r--r-- | absl/numeric/int128_test.cc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/absl/numeric/int128_test.cc b/absl/numeric/int128_test.cc index 79bcca90..dfe3475a 100644 --- a/absl/numeric/int128_test.cc +++ b/absl/numeric/int128_test.cc @@ -23,6 +23,7 @@ #include "gtest/gtest.h" #include "absl/base/internal/cycleclock.h" +#include "absl/hash/hash_testing.h" #include "absl/meta/type_traits.h" #if defined(_MSC_VER) && _MSC_VER == 1900 @@ -428,4 +429,15 @@ TEST(Uint128, ConstexprTest) { EXPECT_EQ(minus_two, absl::MakeUint128(-1, -2)); } +TEST(Uint128, NumericLimitsTest) { + static_assert(std::numeric_limits<absl::uint128>::is_specialized, ""); + static_assert(!std::numeric_limits<absl::uint128>::is_signed, ""); + static_assert(std::numeric_limits<absl::uint128>::is_integer, ""); + EXPECT_EQ(static_cast<int>(128 * std::log10(2)), + std::numeric_limits<absl::uint128>::digits10); + EXPECT_EQ(0, std::numeric_limits<absl::uint128>::min()); + EXPECT_EQ(0, std::numeric_limits<absl::uint128>::lowest()); + EXPECT_EQ(absl::Uint128Max(), std::numeric_limits<absl::uint128>::max()); +} + } // namespace |