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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include <stdio.h>
#include "mpi.h"
#include "mpitest.h"
/* Test for error handling of MPI_Session_get_nth_pset */
int main(int argc, char *argv[])
{
int errs, rc, n_psets, psetname_len;
errs = 0;
n_psets = 0;
psetname_len = 0;
char *pset_name;
MPI_Session shandle = MPI_SESSION_NULL;
rc = MPI_Session_init(MPI_INFO_NULL, MPI_ERRORS_RETURN, &shandle);
if (rc != MPI_SUCCESS) {
errs++;
fprintf(stderr, "MPI_Session_init returned error code: %i\n", rc);
goto fn_exit;
}
MPI_Session_set_errhandler(shandle, MPI_ERRORS_RETURN);
/* Test positive case: pset at position 0 always exists because of MPI default psets */
rc = MPI_Session_get_nth_pset(shandle, MPI_INFO_NULL, 0, &psetname_len, NULL);
if (rc != MPI_SUCCESS) {
fprintf(stderr,
"MPI_Session_get_nth_pset: requesting pset name length at index 0 returned error code: %i\n",
rc);
errs++;
}
/* Provoke error with null pointer as pset_name */
rc = MPI_Session_get_nth_pset(shandle, MPI_INFO_NULL, 0, &psetname_len, NULL);
if (rc == MPI_SUCCESS) {
fprintf(stderr, "MPI_Session_get_nth_pset: null pointer pset_name did not return error\n");
errs++;
}
pset_name = (char *) malloc(sizeof(char) * psetname_len);
rc = MPI_Session_get_nth_pset(shandle, MPI_INFO_NULL, 0, &psetname_len, pset_name);
if (rc != MPI_SUCCESS) {
fprintf(stderr,
"MPI_Session_get_nth_pset: requesting pset at index 0 returned error code: %i\n",
rc);
errs++;
}
free(pset_name);
/* Test negative case: pset at position n_psets + 1 does not exist */
rc = MPI_Session_get_num_psets(shandle, MPI_INFO_NULL, &n_psets);
if (rc != MPI_SUCCESS) {
fprintf(stderr, "MPI_Session_get_num_psets: returned error code: %i\n", rc);
errs++;
}
psetname_len = 0;
rc = MPI_Session_get_nth_pset(shandle, MPI_INFO_NULL, n_psets + 1, &psetname_len, NULL);
if (rc == MPI_SUCCESS) {
fprintf(stderr,
"MPI_Session_get_nth_pset: requesting pset name length at index n + 1 did not return error\n");
errs++;
}
psetname_len = 10;
pset_name = (char *) malloc(sizeof(char) * psetname_len);
rc = MPI_Session_get_nth_pset(shandle, MPI_INFO_NULL, n_psets + 1, &psetname_len, pset_name);
if (rc == MPI_SUCCESS) {
fprintf(stderr,
"MPI_Session_get_nth_pset: requesting pset at index n + 1 did not return error\n");
errs++;
}
free(pset_name);
rc = MPI_Session_finalize(&shandle);
if (rc != MPI_SUCCESS) {
errs++;
fprintf(stderr, "MPI_Session_finalize returned error code: %i\n", rc);
}
fn_exit:
if (errs == 0) {
fprintf(stdout, " No Errors\n");
} else {
fprintf(stderr, "%d Errors\n", errs);
}
return MTestReturnValue(errs);
}
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