Method WriteString

cpp/src/arrow/filesystem/filesystem_test.cc:422–424

  }

  Status WriteString(io::OutputStream* stream, const std::string& s) {
    return stream->Write(s.data(), static_cast<int64_t>(s.length()));
  }

  std::vector<MockDirInfo> AllDirs() {
    return arrow::internal::checked_pointer_cast<MockFileSystem>(fs_)->AllDirs();