Function TEST_F

tests/unit_test/virtual_memory_test.cpp:95–118

};

TEST_F(VirtualMemoryTest, MapPageBasic) {
  VirtualMemory vm;

  auto* page_dir = aligned_alloc(cpu_io::virtual_memory::kPageSize,
                                 cpu_io::virtual_memory::kPageSize);
  ASSERT_NE(page_dir, nullptr);
  std::memset(page_dir, 0, cpu_io::virtual_memory::kPageSize);

  void* virt_addr = reinterpret_cast<void*>(0x1000);
  void* phys_addr = reinterpret_cast<void*>(0x80001000);

  // 映射页面
  auto result = vm.MapPage(page_dir, virt_addr, phys_addr,
                           cpu_io::virtual_memory::GetUserPagePermissions());

  EXPECT_TRUE(result.has_value());

  // 验证映射
  auto mapped = vm.GetMapping(page_dir, virt_addr);
  EXPECT_TRUE(mapped.has_value());
  if (mapped) {
    EXPECT_EQ(*mapped, phys_addr);
  }
}

TEST_F(VirtualMemoryTest, UnmapPage) {
  VirtualMemory vm;