text: /*
   * Copyright 2018 The Cartographer Authors
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #include "cartographer/io/testing/test_helpers.h"
  #include "cartographer/mapping/proto/serialization.pb.h"
  
  namespace cartographer {
  namespace io {
  namespace testing {
  
  std::unique_ptr<InMemoryProtoStreamReader> ProtoReaderFromStrings(
      const std::string &header_textpb,
      const std::initializer_list<std::string> &data_textpbs) {
    std::queue<std::unique_ptr<::google::protobuf::Message>> proto_queue;
    proto_queue.emplace(common::make_unique<
                        ::cartographer::mapping::proto::SerializationHeader>(
        ProtoFromStringOrDie<::cartographer::mapping::proto::SerializationHeader>(
            header_textpb)));
    for (const std::string &data_textpb : data_textpbs) {
      proto_queue.emplace(
          common::make_unique<::cartographer::mapping::proto::SerializedData>(
              ProtoFromStringOrDie<
                  ::cartographer::mapping::proto::SerializedData>(data_textpb)));
    }
    return common::make_unique<InMemoryProtoStreamReader>(std::move(proto_queue));
  }
  
  }  // namespace testing
  }  // namespace io
  }  // namespace cartographer
  