72   char* mapping = static_cast<char*>(  in TEST()  local
75   ASSERT_NE(MAP_FAILED, mapping);  in TEST()
77   mprotect(mapping + getpagesize(), getpagesize(), PROT_NONE);  in TEST()
78   memset(mapping + getpagesize() - 1024, 0x4c, 1024);  in TEST()
83   ASSERT_EQ(1024U, local.Read(reinterpret_cast<uint64_t>(mapping + getpagesize() - 1024),  in TEST()
89   ASSERT_EQ(0, munmap(mapping, 2 * getpagesize()));  in TEST()
93   void* mapping =  in TEST()  local
95   ASSERT_NE(MAP_FAILED, mapping);  in TEST()
96   memset(mapping, 0xFF, 3 * 4096);  in TEST()
97   mprotect(static_cast<char*>(mapping) + 4096, 4096, PROT_NONE);  in TEST()
101   ASSERT_EQ(4096U, local.Read(reinterpret_cast<uintptr_t>(mapping), dst.data(), 4096 * 3));  in TEST()
108   ASSERT_EQ(0, munmap(mapping, 3 * 4096));  in TEST()