| // Copyright 2014 The Crashpad Authors. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "util/numeric/int128.h" |
| |
| #include "base/bit_cast.h" |
| #include "gtest/gtest.h" |
| |
| namespace crashpad { |
| namespace test { |
| namespace { |
| |
| TEST(Int128, UInt128) { |
| #if defined(ARCH_CPU_LITTLE_ENDIAN) |
| static constexpr uint8_t kBytes[] = |
| {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}; |
| #else |
| static constexpr uint8_t kBytes[] = |
| {15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0}; |
| #endif |
| |
| uint128_struct uint128; |
| static_assert(sizeof(uint128) == sizeof(kBytes), "sizes must be equal"); |
| |
| uint128 = bit_cast<uint128_struct>(kBytes); |
| |
| EXPECT_EQ(uint128.lo, 0x0706050403020100u); |
| EXPECT_EQ(uint128.hi, 0x0f0e0d0c0b0a0908u); |
| } |
| |
| } // namespace |
| } // namespace test |
| } // namespace crashpad |
