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| 1 // Copyright 2014 The Crashpad Authors. All rights reserved. | 1 // Copyright 2014 The Crashpad Authors. All rights reserved. |
| 2 // | 2 // |
| 3 // Licensed under the Apache License, Version 2.0 (the "License"); | 3 // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 // you may not use this file except in compliance with the License. | 4 // you may not use this file except in compliance with the License. |
| 5 // You may obtain a copy of the License at | 5 // You may obtain a copy of the License at |
| 6 // | 6 // |
| 7 // http://www.apache.org/licenses/LICENSE-2.0 | 7 // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 // | 8 // |
| 9 // Unless required by applicable law or agreed to in writing, software | 9 // Unless required by applicable law or agreed to in writing, software |
| 10 // distributed under the License is distributed on an "AS IS" BASIS, | 10 // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 // See the License for the specific language governing permissions and | 12 // See the License for the specific language governing permissions and |
| 13 // limitations under the License. | 13 // limitations under the License. |
| 14 | 14 |
| 15 #include "util/numeric/int128.h" | 15 #include "util/numeric/int128.h" |
| 16 | 16 |
| 17 #include "base/basictypes.h" | 17 #include "base/macros.h" |
| 18 #include "gtest/gtest.h" | 18 #include "gtest/gtest.h" |
| 19 | 19 |
| 20 namespace crashpad { | 20 namespace crashpad { |
| 21 namespace test { | 21 namespace test { |
| 22 namespace { | 22 namespace { |
| 23 | 23 |
| 24 TEST(Int128, UInt128) { | 24 TEST(Int128, UInt128) { |
| 25 #if defined(ARCH_CPU_LITTLE_ENDIAN) | 25 #if defined(ARCH_CPU_LITTLE_ENDIAN) |
| 26 const uint8_t kBytes[] = | 26 const uint8_t kBytes[] = |
| 27 {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}; | 27 {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}; |
| 28 #else | 28 #else |
| 29 const uint8_t kBytes[] = | 29 const uint8_t kBytes[] = |
| 30 {15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0}; | 30 {15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0}; |
| 31 #endif | 31 #endif |
| 32 | 32 |
| 33 uint128_struct uint128; | 33 uint128_struct uint128; |
| 34 static_assert(sizeof(uint128) == sizeof(kBytes), "sizes must be equal"); | 34 static_assert(sizeof(uint128) == sizeof(kBytes), "sizes must be equal"); |
| 35 | 35 |
| 36 uint128 = bit_cast<uint128_struct>(kBytes); | 36 uint128 = bit_cast<uint128_struct>(kBytes); |
| 37 | 37 |
| 38 EXPECT_EQ(0x0706050403020100u, uint128.lo); | 38 EXPECT_EQ(0x0706050403020100u, uint128.lo); |
| 39 EXPECT_EQ(0x0f0e0d0c0b0a0908u, uint128.hi); | 39 EXPECT_EQ(0x0f0e0d0c0b0a0908u, uint128.hi); |
| 40 } | 40 } |
| 41 | 41 |
| 42 } // namespace | 42 } // namespace |
| 43 } // namespace test | 43 } // namespace test |
| 44 } // namespace crashpad | 44 } // namespace crashpad |
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