string(static_cast<const char*>(values[i]), lens[i]))
        << i;
  }
  TF_DeleteStatus(status);
}

TEST(TF_GraphProperties, InputProperties) {
  std::unique_ptr<SingleMachine> cluster(new SingleMachine(5 * 60, 3, 0));
  TF_ASSERT_OK(cluster->Provision());

  TrivialTestGraphInputYielder fake_input(4, 1, 10, false,
                                          cluster->GetDeviceNames());