static char help[] = "Tests PetscGetFullPath().\n\n";

#include <petscsys.h>

/* for windows - fix up path - so that we can do diff test */
PetscErrorCode path_to_unix(char filein[]) {
  size_t i, n;

  PetscFunctionBegin;
  PetscCall(PetscStrlen(filein, &n));
  for (i = 0; i < n; i++) {
    if (filein[i] == '\\') filein[i] = '/';
  }
  PetscFunctionReturn(0);
}

int main(int argc, char **argv) {
  char fpath[PETSC_MAX_PATH_LEN];

  PetscFunctionBeginUser;
  PetscCall(PetscInitialize(&argc, &argv, (char *)0, help));
  PetscCall(PetscGetFullPath("~/somefile", fpath, sizeof(fpath)));
  PetscCall(path_to_unix(fpath));
  PetscCall(PetscPrintf(PETSC_COMM_WORLD, "%s\n", fpath));
  PetscCall(PetscGetFullPath("someotherfile", fpath, sizeof(fpath)));
  PetscCall(path_to_unix(fpath));
  PetscCall(PetscPrintf(PETSC_COMM_WORLD, "%s\n", fpath));
  PetscCall(PetscFinalize());
  return 0;
}

/*TEST

   test:
      requires: !windows_compilers
      filter: sed "s?$(pwd -P)??g" |  sed "s?${HOME}??g"

   test:
      suffix: 2
      requires: windows_compilers
      output_file: output/ex31_1.out
      filter: sed "s?`cygpath -m ${PWD}`??g" |  sed "s?`cygpath -m ${HOME}`??g"

TEST*/