add mpich3 topo tests

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

diff --git a/teshsuite/smpi/mpich3-test/topo/graphcr.c b/teshsuite/smpi/mpich3-test/topo/graphcr.c
new file mode 100644 (file)
index 0000000..2bfac48
--- /dev/null
+++ b/teshsuite/smpi/mpich3-test/topo/graphcr.c
@@ -0,0 +1,34 @@
+/* -*- 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[] = "Create a communicator with a graph that contains no processes";
+*/
+
+int main( int argc, char *argv[] )
+{
+    int errs = 0;
+    int *index = 0, *edges = 0;
+    MPI_Comm comm;
+
+    MTest_Init( &argc, &argv );
+
+    /* MPI 2.1, page 246, lines 29-30 make it clear that this is a valid
+       (not erroneous) call that must return MPI_COMM_NULL */
+    MPI_Graph_create( MPI_COMM_WORLD, 0, index, edges, 0, &comm );
+    if (comm != MPI_COMM_NULL) {
+       errs++;
+       fprintf( stderr, "Expected MPI_COMM_NULL from empty graph create\n" );
+    }
+       
+    MTest_Finalize( errs );
+    MPI_Finalize();
+    return 0;
+}