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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include "mpi.h"
#include "mpitestconf.h"
#ifdef HAVE_IOSTREAM
// Not all C++ compilers have iostream instead of iostream.h
#include <iostream>
#ifdef HAVE_NAMESPACE_STD
// Those that do often need the std namespace; otherwise, a bare "cout"
// is likely to fail to compile
using namespace std;
#endif
#else
#include <iostream.h>
#endif
#include <string.h>
#include <stdio.h>
#include "mpitestcxx.h"
int main(int argc, char **argv)
{
int errs = 0;
char name[MPI_MAX_OBJECT_NAME], tname[MPI_MAX_OBJECT_NAME];
int rlen;
int i, n;
MPI::Comm * (comm[10]);
MTest_Init();
// Test predefined names
MPI::COMM_WORLD.Get_name(name, rlen);
if (strcmp(name, "MPI_COMM_WORLD") != 0) {
errs++;
cout << "Name of COMM_WORLD was " << name << "\n";
}
if (rlen != strlen(name)) {
errs++;
cout << "Resultlen for COMM_WORLD is incorrect: " << rlen << "\n";
}
MPI::COMM_SELF.Get_name(name, rlen);
if (strcmp(name, "MPI_COMM_SELF") != 0) {
errs++;
cout << "Name of COMM_SELF was " << name << "\n";
}
if (rlen != strlen(name)) {
errs++;
cout << "Resultlen for COMM_SELF is incorrect: " << rlen << "\n";
}
// Reset name of comm_world
MPI::COMM_WORLD.Set_name("FooBar !");
MPI::COMM_WORLD.Get_name(name, rlen);
if (strcmp(name, "FooBar !") != 0) {
errs++;
cout << "Changed name of COMM_WORLD was " << name << "\n";
}
// Test a few other communicators
n = 0;
while (n < 4 && MTestGetComm(&comm[n], 1)) {
sprintf(name, "test%d", n);
comm[n]->Set_name(name);
n++;
}
for (i = 0; i < n; i++) {
sprintf(tname, "test%d", i);
comm[i]->Get_name(name, rlen);
if (strcmp(name, tname) != 0) {
errs++;
cout << "comm[" << i << "] gave name " << name << "\n";
}
MTestFreeComm(*comm[i]);
delete comm[i];
}
MTest_Finalize(errs);
return 0;
}
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