Method Move

cpp/src/arrow/filesystem/mockfs.cc:661–693

}  // namespace

Status MockFileSystem::Move(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.dest_entry != nullptr) {
      if (op.dest_entry->is_dir()) {
        return Status::IOError("Cannot replace destination '", dest,
                               "', which is a directory");
      }
      if (op.dest_entry->is_file() && op.src_entry->is_dir()) {
        return Status::IOError("Cannot replace destination '", dest,
                               "', which is a file, with directory '", src, "'");
      }
    }
    if (op.src_parts.size() < op.dest_parts.size()) {
      // Check if dest is a child of src
      auto p =
          std::mismatch(op.src_parts.begin(), op.src_parts.end(), op.dest_parts.begin());
      if (p.first == op.src_parts.end()) {
        return Status::IOError("Cannot move '", src, "' into child path '", dest, "'");
      }
    }

    // Move original entry, fix its name
    std::unique_ptr<Entry> new_entry(new Entry(std::move(*op.src_entry)));
    new_entry->SetName(op.dest_name);
    bool deleted = op.src_dir.DeleteEntry(op.src_name);
    DCHECK(deleted);
    op.dest_dir.AssignEntry(op.dest_name, std::move(new_entry));
    return Status::OK();
  });
}

Status MockFileSystem::CopyFile(const std::string& src, const std::string& dest) {
  return BinaryOp::Run(impl_.get(), src, dest, [&](const BinaryOp& op) -> Status {