Method CopyFile

cpp/src/arrow/filesystem/mockfs.cc:695–714

}

Status MockFileSystem::CopyFile(const std::string& src, const std::string& dest) {
  return BinaryOp::Run(impl_.get(), src, dest, [&](const BinaryOp& op) -> Status {
    if (op.src_entry == nullptr) {
      return PathNotFound(src);
    }
    if (!op.src_entry->is_file()) {
      return NotAFile(src);
    }
    if (op.dest_entry != nullptr && op.dest_entry->is_dir()) {
      return Status::IOError("Cannot replace destination '", dest,
                             "', which is a directory");
    }

    // Copy original entry, fix its name
    std::unique_ptr<Entry> new_entry(new Entry(File(op.src_entry->as_file())));
    new_entry->SetName(op.dest_name);
    op.dest_dir.AssignEntry(op.dest_name, std::move(new_entry));
    return Status::OK();
  });
}

Result<std::shared_ptr<io::InputStream>> MockFileSystem::OpenInputStream(
    const std::string& path) {