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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" | |
18 #include "gtest/gtest.h" | 17 #include "gtest/gtest.h" |
19 | 18 |
20 namespace { | 19 namespace { |
21 | 20 |
22 using namespace crashpad; | 21 using namespace crashpad; |
23 | 22 |
24 TEST(Int128, UInt128) { | 23 TEST(Int128, UInt128) { |
25 #if defined(ARCH_CPU_LITTLE_ENDIAN) | 24 #if defined(ARCH_CPU_LITTLE_ENDIAN) |
26 const uint8_t kBytes[] = | 25 const uint8_t kBytes[] = |
27 {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}; | 26 {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}; |
28 #else | 27 #else |
29 const uint8_t kBytes[] = | 28 const uint8_t kBytes[] = |
30 {15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0}; | 29 {15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0}; |
31 #endif | 30 #endif |
32 | 31 |
33 uint128_struct uint128; | 32 uint128_struct uint128; |
34 COMPILE_ASSERT(sizeof(uint128) == sizeof(kBytes), sizes_must_be_equal); | 33 COMPILE_ASSERT(sizeof(uint128) == sizeof(kBytes), sizes_must_be_equal); |
35 | 34 |
36 uint128 = bit_cast<uint128_struct>(kBytes); | 35 uint128 = bit_cast<uint128_struct>(kBytes); |
37 | 36 |
38 EXPECT_EQ(0x0706050403020100u, uint128.lo); | 37 EXPECT_EQ(0x0706050403020100u, uint128.lo); |
39 EXPECT_EQ(0x0f0e0d0c0b0a0908u, uint128.hi); | 38 EXPECT_EQ(0x0f0e0d0c0b0a0908u, uint128.hi); |
40 } | 39 } |
41 | 40 |
42 } // namespace | 41 } // namespace |
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