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