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Diffstat (limited to 'src/ipcpd/unicast/pol/tests/graph_test.c')
-rw-r--r--src/ipcpd/unicast/pol/tests/graph_test.c300
1 files changed, 300 insertions, 0 deletions
diff --git a/src/ipcpd/unicast/pol/tests/graph_test.c b/src/ipcpd/unicast/pol/tests/graph_test.c
new file mode 100644
index 00000000..a312c1a8
--- /dev/null
+++ b/src/ipcpd/unicast/pol/tests/graph_test.c
@@ -0,0 +1,300 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2019
+ *
+ * Test of the graph structure
+ *
+ * Dimitri Staessens <[email protected]>
+ * Sander Vrijders <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., http://www.fsf.org/about/contact/.
+ */
+
+#define _POSIX_C_SOURCE 200112L
+
+#include <ouroboros/utils.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "graph.c"
+
+struct graph * graph;
+struct list_head table;
+qosspec_t qs;
+
+int graph_test_entries(int entries)
+{
+ struct list_head * p;
+ int i = 0;
+
+ if (graph_routing_table(graph, ROUTING_SIMPLE, 1, &table)) {
+ printf("Failed to get routing table.\n");
+ return -1;
+ }
+
+ list_for_each(p, &table)
+ i++;
+
+ if (i != entries) {
+ printf("Wrong number of entries.\n");
+ graph_free_routing_table(graph, &table);
+ return -1;
+ }
+
+ graph_free_routing_table(graph, &table);
+
+ return 0;
+}
+
+int graph_test_double_link(void)
+{
+ struct list_head * p;
+ int i = 0;
+
+ if (graph_routing_table(graph, ROUTING_SIMPLE, 1, &table)) {
+ printf("Failed to get routing table.\n");
+ return -1;
+ }
+
+ list_for_each(p, &table)
+ i++;
+
+ if (i != 2) {
+ printf("Wrong number of entries.\n");
+ graph_free_routing_table(graph, &table);
+ return -1;
+ }
+
+ list_for_each(p, &table) {
+ struct routing_table * t =
+ list_entry(p, struct routing_table, next);
+ struct nhop * n =
+ list_first_entry(&t->nhops, struct nhop, next);
+
+ if ((t->dst != 2 && n->nhop != 2) ||
+ (t->dst != 3 && n->nhop != 2)) {
+ printf("Wrong routing entry.\n");
+ graph_free_routing_table(graph, &table);
+ return -1;
+ }
+ }
+
+ graph_free_routing_table(graph, &table);
+
+ return 0;
+}
+
+int graph_test_single_link(void)
+{
+ struct list_head * p;
+ int i = 0;
+
+ if (graph_routing_table(graph, ROUTING_SIMPLE, 1, &table)) {
+ printf("Failed to get routing table.\n");
+ return -1;
+ }
+
+ list_for_each(p, &table)
+ i++;
+
+ if (i != 1) {
+ printf("Wrong number of entries.\n");
+ graph_free_routing_table(graph, &table);
+ return -1;
+ }
+
+ list_for_each(p, &table) {
+ struct routing_table * t =
+ list_entry(p, struct routing_table, next);
+ struct nhop * n =
+ list_first_entry(&t->nhops, struct nhop, next);
+
+ if (t->dst != 2 && n->nhop != 2) {
+ printf("Wrong routing entry.\n");
+ graph_free_routing_table(graph, &table);
+ return -1;
+ }
+ }
+
+ graph_free_routing_table(graph, &table);
+
+ return 0;
+}
+
+int graph_test(int argc,
+ char ** argv)
+{
+ int nhop;
+ int dst;
+ struct list_head * p;
+
+ (void) argc;
+ (void) argv;
+
+ memset(&qs, 0, sizeof(qs));
+
+ graph = graph_create();
+ if (graph == NULL) {
+ printf("Failed to create graph.\n");
+ return -1;
+ }
+
+ graph_destroy(graph);
+
+ graph = graph_create();
+ if (graph == NULL) {
+ printf("Failed to create graph.\n");
+ return -1;
+ }
+
+ if (graph_update_edge(graph, 1, 2, qs)) {
+ printf("Failed to add edge.\n");
+ graph_destroy(graph);
+ return -1;
+ }
+
+ if (graph_update_edge(graph, 2, 1, qs)) {
+ printf("Failed to add edge.\n");
+ graph_destroy(graph);
+ return -1;
+ }
+
+ if (graph_test_single_link()) {
+ graph_destroy(graph);
+ return -1;
+ }
+
+ if (graph_update_edge(graph, 2, 3, qs)) {
+ printf("Failed to add edge.\n");
+ graph_destroy(graph);
+ return -1;
+ }
+
+ if (graph_update_edge(graph, 3, 2, qs)) {
+ printf("Failed to add edge.\n");
+ graph_destroy(graph);
+ return -1;
+ }
+
+
+ if (graph_test_double_link()) {
+ graph_destroy(graph);
+ return -1;
+ }
+
+ if (graph_del_edge(graph, 2, 3)) {
+ printf("Failed to delete edge.\n");
+ graph_destroy(graph);
+ return -1;
+ }
+
+ if (graph_del_edge(graph, 3, 2)) {
+ printf("Failed to delete edge.\n");
+ graph_destroy(graph);
+ return -1;
+ }
+
+ if (graph_test_single_link()) {
+ graph_destroy(graph);
+ return -1;
+ }
+
+ graph_update_edge(graph, 2, 3, qs);
+ graph_update_edge(graph, 3, 2, qs);
+ graph_update_edge(graph, 1, 3, qs);
+ graph_update_edge(graph, 3, 1, qs);
+
+ if (graph_test_entries(2)) {
+ graph_destroy(graph);
+ return -1;
+ }
+
+ graph_update_edge(graph, 3, 4, qs);
+ graph_update_edge(graph, 4, 3, qs);
+ graph_update_edge(graph, 4, 5, qs);
+ graph_update_edge(graph, 5, 4, qs);
+
+ if (graph_test_entries(4)) {
+ graph_destroy(graph);
+ return -1;
+ }
+
+ graph_update_edge(graph, 2, 6, qs);
+ graph_update_edge(graph, 6, 2, qs);
+ graph_update_edge(graph, 6, 7, qs);
+ graph_update_edge(graph, 7, 6, qs);
+ graph_update_edge(graph, 3, 7, qs);
+ graph_update_edge(graph, 7, 3, qs);
+
+ if (graph_test_entries(6)) {
+ graph_destroy(graph);
+ return -1;
+ }
+
+ if (graph_routing_table(graph, ROUTING_SIMPLE, 1, &table)) {
+ printf("Failed to get routing table.\n");
+ return -1;
+ }
+
+ list_for_each(p, &table) {
+ struct routing_table * t =
+ list_entry(p, struct routing_table, next);
+ struct nhop * n =
+ list_first_entry(&t->nhops, struct nhop, next);
+
+ dst = t->dst;
+ nhop = n->nhop;
+
+ if (dst == 3 && nhop != 3) {
+ printf("Wrong entry.");
+ graph_free_routing_table(graph, &table);
+ return -1;
+ }
+
+ if (dst == 2 && nhop != 2) {
+ printf("Wrong entry.");
+ graph_free_routing_table(graph, &table);
+ return -1;
+ }
+
+ if (dst == 6 && nhop != 2) {
+ printf("Wrong entry.");
+ graph_free_routing_table(graph, &table);
+ return -1;
+ }
+
+ if (dst == 4 && nhop != 3) {
+ printf("Wrong entry.");
+ graph_free_routing_table(graph, &table);
+ return -1;
+ }
+
+ if (dst == 5 && nhop != 3) {
+ printf("Wrong entry.");
+ graph_free_routing_table(graph, &table);
+ return -1;
+ }
+
+ if (dst == 7 && nhop != 3) {
+ printf("Wrong entry.");
+ graph_free_routing_table(graph, &table);
+ return -1;
+ }
+ }
+
+ graph_free_routing_table(graph, &table);
+
+ return 0;
+}
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