add mpich3 topo tests

[simgrid.git] / teshsuite / smpi / mpich3-test / topo / graphcr2.c

diff --git a/teshsuite/smpi/mpich3-test/topo/graphcr2.c b/teshsuite/smpi/mpich3-test/topo/graphcr2.c
new file mode 100644 (file)
index 0000000..6d5fd2a
--- /dev/null
+++ b/teshsuite/smpi/mpich3-test/topo/graphcr2.c
@@ -0,0 +1,70 @@
+/* -*- 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 <stdlib.h>
+#include "mpitest.h"
+
+/*
+static char MTEST_Descrip[] = "Create a communicator with a graph that contains null edges and one that contains duplicate edges";
+*/
+
+int main( int argc, char *argv[] )
+{
+    int errs = 0;
+    int *index = 0, *edges = 0;
+    int rank, size, i, j, crank, csize;
+    MPI_Comm comm;
+
+    MTest_Init( &argc, &argv );
+
+    MPI_Comm_size( MPI_COMM_WORLD, &size );
+    MPI_Comm_rank( MPI_COMM_WORLD, &rank );
+
+    index = (int *)malloc( size*sizeof(int) );
+    edges = (int *)malloc( size*sizeof(int) );
+    for (i=0; i<size; i++) {
+       index[i] = 1;
+       edges[i] = i;
+    }
+    /* As of MPI 2.1, self edges are permitted */
+    MPI_Graph_create( MPI_COMM_WORLD, size, index, edges, 0, &comm );
+    MPI_Comm_rank( comm, &crank );
+    MPI_Comm_size( comm, &csize );
+    if (csize != size) {
+       errs ++;
+       fprintf( stderr, "Graph create with self links has size %d should be %d", csize, size );
+    }
+    free( index );
+    free( edges );
+    MPI_Comm_free( &comm );
+
+    /* Create a graph with duplicate links */
+    index = (int *)malloc( size * sizeof(int) );
+    edges = (int *)malloc( size * 2 * sizeof(int) );
+    j = 0;
+    for (i=0; i<size; i++) {
+       index[i]   = j + 2;
+       edges[j++] = (i + 1) % size;
+       edges[j++] = (i + 1) % size; 
+    }
+    /* As of MPI 2.1, duplicate edges are permitted */
+    MPI_Graph_create( MPI_COMM_WORLD, size, index, edges, 0, &comm );
+    MPI_Comm_rank( comm, &crank );
+    MPI_Comm_size( comm, &csize );
+    if (csize != size) {
+       errs ++;
+       fprintf( stderr, "Graph create with duplicate links has size %d should be %d", csize, size );
+    }
+    free( index );
+    free( edges );
+    MPI_Comm_free( &comm );
+
+    MTest_Finalize( errs );
+    MPI_Finalize();
+    return 0;
+}