#include <petscmat.h>

static char help[PETSC_MAX_PATH_LEN] = "Tests MatLoad() with MatCreateDense() for memory leak ";

int main(int argc, char **argv)
{
  PetscViewer viewer;
  Mat         A;
  char        filename[PETSC_MAX_PATH_LEN];
  PetscBool   flg;

  PetscFunctionBeginUser;
  PetscCall(PetscInitialize(&argc, &argv, NULL, help));
  PetscCall(PetscOptionsGetString(NULL, NULL, "-f", filename, sizeof(filename), &flg));
  PetscCheck(flg, PETSC_COMM_WORLD, PETSC_ERR_USER_INPUT, "Must indicate a filename for input with the -f option");

  PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, filename, FILE_MODE_READ, &viewer));
  PetscCall(MatCreateDense(PETSC_COMM_WORLD, PETSC_DECIDE, PETSC_DECIDE, 36, 36, NULL, &A));
  PetscCall(MatLoad(A, viewer));
  PetscCall(PetscViewerDestroy(&viewer));
  PetscCall(MatDestroy(&A));
  PetscCall(PetscFinalize());
  return 0;
}

/*TEST

     test:
       requires: double !complex !defined(PETSC_USE_64BIT_INDICES) datafilespath
       args: -f ${DATAFILESPATH}/matrices/small
       output_file: output/empty.out

TEST*/