Add mpich3 test suite, to replace older one.

[simgrid.git] / teshsuite / smpi / mpich3-test / comm / icgroup.c

diff --git a/teshsuite/smpi/mpich3-test/comm/icgroup.c b/teshsuite/smpi/mpich3-test/comm/icgroup.c
new file mode 100644 (file)
index 0000000..f44e1fa
--- /dev/null
+++ b/teshsuite/smpi/mpich3-test/comm/icgroup.c
@@ -0,0 +1,54 @@
+/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
+/*
+ *
+ *  (C) 2003 by Argonne National Laboratory.
+ *      See COPYRIGHT in top-level directory.
+ */
+#include "mpi.h"
+#include <stdio.h>
+#include "mpitest.h"
+
+/*
+static char MTEST_Descrip[] = "Get the group of an intercommunicator";
+*/
+
+int main( int argc, char *argv[] )
+{
+    int errs = 0;
+    int rank, size, grank, gsize;
+    int minsize = 2, isleft; 
+    MPI_Comm      comm;
+    MPI_Group     group;
+
+    MTest_Init( &argc, &argv );
+
+    /* The following illustrates the use of the routines to 
+       run through a selection of communicators and datatypes.
+       Use subsets of these for tests that do not involve combinations 
+       of communicators, datatypes, and counts of datatypes */
+    while (MTestGetIntercomm( &comm, &isleft, minsize )) {
+       if (comm == MPI_COMM_NULL) continue;
+       /* Determine the sender and receiver */
+       MPI_Comm_rank( comm, &rank );
+       MPI_Comm_size( comm, &size );
+       MPI_Comm_group( comm, &group );
+       MPI_Group_rank( group, &grank );
+       MPI_Group_size( group, &gsize );
+       if (rank != grank) {
+           errs++;
+           fprintf( stderr, "Ranks of groups do not match %d != %d\n",
+                    rank, grank );
+       }
+       if (size != gsize) {
+           errs++;
+           fprintf( stderr, "Sizes of groups do not match %d != %d\n",
+                    size, gsize );
+       }
+       MPI_Group_free( &group );
+       MTestFreeComm( &comm );
+    }
+
+    MTest_Finalize( errs );
+    MPI_Finalize();
+    return 0;
+}