79   std::unique_ptr<WritableFileWriter> writer(  in TEST_F()  local
87     writer->Append(Slice(large_buf.get(), num));  in TEST_F()
91       writer->Flush();  in TEST_F()
94   writer->Close();  in TEST_F()
162     std::unique_ptr<WritableFileWriter> writer(  in TEST_F()  local
171       writer->Append(Slice(random_string.c_str(), num));  in TEST_F()
176         writer->Flush();  in TEST_F()
179     writer->Flush();  in TEST_F()
180     writer->Close();  in TEST_F()
217   std::unique_ptr<WritableFileWriter> writer(  in TEST_F()  local
221   ASSERT_OK(writer->Append(std::string(2 * kMb, 'a')));  in TEST_F()
225       static_cast<LegacyWritableFileWrapper*>(writer->writable_file());  in TEST_F()
227   ASSERT_NOK(writer->Append(std::string(2 * kMb, 'b')));  in TEST_F()