Function ParseProtoTest

3rd_party/flatbuffers/tests/test.cpp:878–927

Parse a .proto schema, output as .fbs

// Parse a .proto schema, output as .fbs
void ParseProtoTest() {
  // load the .proto and the golden file from disk
  std::string protofile;
  std::string goldenfile;
  std::string goldenunionfile;
  TEST_EQ(
      flatbuffers::LoadFile((test_data_path + "prototest/test.proto").c_str(),
                            false, &protofile),
      true);
  TEST_EQ(
      flatbuffers::LoadFile((test_data_path + "prototest/test.golden").c_str(),
                            false, &goldenfile),
      true);
  TEST_EQ(
      flatbuffers::LoadFile((test_data_path +
                            "prototest/test_union.golden").c_str(),
                            false, &goldenunionfile),
      true);

  flatbuffers::IDLOptions opts;
  opts.include_dependence_headers = false;
  opts.proto_mode = true;

  // Parse proto.
  flatbuffers::Parser parser(opts);
  auto protopath = test_data_path + "prototest/";
  const char *include_directories[] = { protopath.c_str(), nullptr };
  TEST_EQ(parser.Parse(protofile.c_str(), include_directories), true);

  // Generate fbs.
  auto fbs = flatbuffers::GenerateFBS(parser, "test");

  // Ensure generated file is parsable.
  flatbuffers::Parser parser2;
  TEST_EQ(parser2.Parse(fbs.c_str(), nullptr), true);
  TEST_EQ_STR(fbs.c_str(), goldenfile.c_str());

  // Parse proto with --oneof-union option.
  opts.proto_oneof_union = true;
  flatbuffers::Parser parser3(opts);
  TEST_EQ(parser3.Parse(protofile.c_str(), include_directories), true);

  // Generate fbs.
  auto fbs_union = flatbuffers::GenerateFBS(parser3, "test");

  // Ensure generated file is parsable.
  flatbuffers::Parser parser4;
  TEST_EQ(parser4.Parse(fbs_union.c_str(), nullptr), true);
  TEST_EQ_STR(fbs_union.c_str(), goldenunionfile.c_str());
}

template<typename T>
void CompareTableFieldValue(flatbuffers::Table *table,