172   MemMap dest = MemMap::MapAnonymous("MapAnonymousEmpty-atomic-replace-dest",  in TEST_F()  local
177   ASSERT_TRUE(dest.IsValid());  in TEST_F()
185   void* dest_addr = dest.Begin();  in TEST_F()
192   ASSERT_TRUE(dest.ReplaceWith(&source, &error_msg)) << error_msg;  in TEST_F()
198   ASSERT_EQ(dest.Size(), static_cast<size_t>(page_size));  in TEST_F()
200   ASSERT_EQ(memcmp(dest.Begin(), data.data(), dest.Size()), 0);  in TEST_F()
206   MemMap dest = MemMap::MapAnonymous("MapAnonymousEmpty-atomic-replace-dest",  in TEST_F()  local
215   ASSERT_TRUE(dest.IsValid());  in TEST_F()
223   uint8_t* dest_addr = dest.Begin();  in TEST_F()
231   dest.SetSize(page_size);  in TEST_F()
235   ASSERT_EQ(dest.Size(), static_cast<size_t>(page_size));  in TEST_F()
237   ASSERT_TRUE(dest.ReplaceWith(&source, &error_msg)) << error_msg;  in TEST_F()
240   ASSERT_EQ(dest.Size(), static_cast<size_t>(3 * page_size));  in TEST_F()
245   ASSERT_EQ(memcmp(dest.Begin(), data.data(), dest.Size()), 0);  in TEST_F()
251   MemMap dest = MemMap::MapAnonymous("MapAnonymousEmpty-atomic-replace-dest",  in TEST_F()  local
256   ASSERT_TRUE(dest.IsValid());  in TEST_F()
264   uint8_t* dest_addr = dest.Begin();  in TEST_F()
268   ASSERT_EQ(dest.Size(), static_cast<size_t>(3 * page_size));  in TEST_F()
273   ASSERT_TRUE(dest.ReplaceWith(&source, &error_msg)) << error_msg;  in TEST_F()
276   ASSERT_EQ(dest.Size(), static_cast<size_t>(page_size));  in TEST_F()
281   ASSERT_EQ(memcmp(dest.Begin(), data.data(), dest.Size()), 0);  in TEST_F()
287   MemMap dest =  in TEST_F()  local
295   ASSERT_TRUE(dest.IsValid());  in TEST_F()
297   dest.SetSize(page_size);  in TEST_F()
300                                        dest.Begin() + page_size,  in TEST_F()
308   ASSERT_EQ(dest.Begin() + page_size, source.Begin());  in TEST_F()
310   uint8_t* dest_addr = dest.Begin();  in TEST_F()
317   memcpy(dest.Begin(), dest_data.data(), dest_data.size());  in TEST_F()
320   ASSERT_EQ(dest.Size(), static_cast<size_t>(page_size));  in TEST_F()
322   ASSERT_FALSE(dest.ReplaceWith(&source, &error_msg)) << error_msg;  in TEST_F()
327   ASSERT_EQ(dest.Size(), dest_data.size());  in TEST_F()
330   ASSERT_EQ(memcmp(dest.Begin(), dest_data.data(), dest_data.size()), 0);  in TEST_F()