Function TEST_F

lib/mdflib/mdflib_test/src/testmultipledgwrite.cpp:125–253

}

TEST_F(TestMultipleDgWrite, Mdf3WriteSingleDG) {
  if (kSkipTest) {
    GTEST_SKIP();
  }
  size_t max_sample = 10'000'000;
  path mdf_file(kTestDir);
  mdf_file.append("single_dg.mf3");
  {
    auto writer = MdfFactory::CreateMdfWriter(MdfWriterType::Mdf3Basic);

    writer->Init(mdf_file.string());

    auto* header = writer->Header();
    ASSERT_TRUE(header != nullptr);
    header->Author("Ingemar Hedvall");
    header->Department("ACME Road Runner Company");
    header->Description("Testing Single DG Measurement");
    header->Project("MDF3 Write Multiple (Sorted) File");

    {
      auto* data_group = writer->CreateDataGroup();
      ASSERT_TRUE(data_group != nullptr);

      auto* channel_group = data_group->CreateChannelGroup();
      ASSERT_TRUE(channel_group != nullptr);

      auto* master = channel_group->CreateChannel();
      master->Name("Time");
      master->Description("Time channel");
      master->Type(ChannelType::Master);
      master->DataType(ChannelDataType::FloatLe);
      master->DataBytes(4);
      master->Unit("s");

      for (size_t cn_index = 0; cn_index < 3; ++cn_index) {
        auto* channel = channel_group->CreateChannel();
        ASSERT_TRUE(channel != nullptr);
        std::ostringstream name;
        name << "Channel_" << cn_index + 1;
        channel->Name(name.str());
        channel->Description("Channel description");
        channel->Type(ChannelType::FixedLength);
        channel->DataType(ChannelDataType::FloatLe);
        channel->DataBytes(4);
        channel->Unit("s");
      }
    }
    writer->InitMeasurement();
    const auto start_time = MdfHelper::NowNs();

    writer->StartMeasurement(start_time);
    auto old_f_size = file_size(mdf_file);
    size_t file_save = 0;
    size_t sample;
    for (sample = 0; sample < max_sample && file_save <= 1; ++sample) {
      for (auto* data_group : header->DataGroups()) {
        for (auto* channel_group : data_group->ChannelGroups()) {
          auto value =  static_cast<double>(sample);