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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
* (C) 2011 by Argonne National Laboratory.
* See COPYRIGHT in top-level directory.
*/
/*
Tests invocation of error handlers on a variety of communicators, including
COMM_NULL.
*/
#include "mpitestconf.h"
#include <mpi.h>
#include <iostream>
#include "mpitestcxx.h"
/* returns number of errors found */
int testCommCall( MPI::Comm &comm )
{
int i;
bool sawException = false;
comm.Set_errhandler( MPI::ERRORS_THROW_EXCEPTIONS );
try {
// Invalid send
comm.Send( &i, -1, MPI::DATATYPE_NULL, -1, -10 );
} catch (MPI::Exception &ex ) {
// This is good
sawException = true;
}
catch (...) {
// This is bad
}
if (!sawException) {
int len;
char commname[MPI_MAX_OBJECT_NAME];
comm.Get_name( commname, len );
std::cout << "Did not see MPI exception on invalid call on communicator " <<
commname << "\n";
}
return sawException ? 0 : 1;
}
int testNullCommCall( void )
{
int i;
bool sawException = false;
const MPI::Comm &comm = MPI::COMM_NULL;
MPI::COMM_WORLD.Set_errhandler( MPI::ERRORS_THROW_EXCEPTIONS );
try {
// Invalid send
comm.Send( &i, -1, MPI::DATATYPE_NULL, -1, -10 );
} catch (MPI::Exception &ex ) {
// This is good
sawException = true;
}
catch (...) {
// This is bad
}
if (!sawException) {
std::cout << "Did not see MPI exception on invalid call on communicator COMM_NULL\n";
}
return sawException ? 0 : 1;
}
int main( int argc, char *argv[] )
{
int errs = 0;
bool periods[2] = { false, false };
int dims[2] = { 0, 0 };
MTest_Init( );
MPI::Compute_dims( MPI::COMM_WORLD.Get_size(), 2, dims );
MPI::Cartcomm cart = MPI::COMM_WORLD.Create_cart( 2, dims, periods, true );
cart.Set_name( "Cart comm" );
// Graphcomm graph = COMM_WORLD.Create_graph( );
errs += testCommCall( MPI::COMM_WORLD );
errs += testNullCommCall( );
errs += testCommCall( MPI::COMM_SELF );
errs += testCommCall( cart );
//errs += testCommCall( graph );
MTest_Finalize( errs );
cart.Free();
// graph.Free();
MPI::Finalize();
return 0;
}
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