| // Copyright 2022 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "partition_alloc/reverse_bytes.h" |
| |
| #include <cstdint> |
| |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace partition_alloc::internal { |
| namespace { |
| |
| TEST(ReverseBytes, DeadBeefScramble) { |
| if (sizeof(uintptr_t) == 4) { |
| EXPECT_EQ(ReverseBytes(uintptr_t{0xefbeadde}), 0xdeadbeef); |
| } else { |
| // Hacky kludge to escape the compiler from immediately noticing that |
| // this won't fit into a uintptr_t when it's four bytes. |
| EXPECT_EQ(ReverseBytes(uint64_t{0xffeeddccefbeadde}), 0xdeadbeefccddeeff); |
| } |
| } |
| |
| } // namespace |
| } // namespace partition_alloc::internal |
