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#include "gtest/gtest.h"
#include <mpi.h>

int main(int argc, char **argv) {
  ::testing::InitGoogleTest(&argc, argv);
  
  int initialized;
  MPI_Initialized(&initialized);
  if (!initialized) {
    int provided;
    MPI_Init_thread(nullptr, nullptr, MPI_THREAD_MULTIPLE, &provided);
    if (provided != MPI_THREAD_MULTIPLE) {
      std::cerr << "MPI_THREAD_MULTIPLE support disabled.\n";
    }
  }

  int ret_val = RUN_ALL_TESTS();
  
  int finalized{0};
  MPI_Finalized(&finalized);
  if (!finalized) {
    MPI_Finalize();
  }
  return ret_val;
}