aga: Simple test graphs

[ccan] / ccan / aga / test / trivial.c

diff --git a/ccan/aga/test/trivial.c b/ccan/aga/test/trivial.c
new file mode 100644 (file)
index 0000000..8d42845
--- /dev/null
+++ b/ccan/aga/test/trivial.c
@@ -0,0 +1,39 @@
+#include "config.h"
+
+#include <assert.h>
+
+#include <ccan/container_of/container_of.h>
+
+#include <ccan/aga/aga.h>
+
+#include "simple-graph.h"
+
+static const void *trivial_first_edge(const struct aga_graph *g,
+                                     const struct aga_node *node)
+{
+       struct trivial_graph *tg = container_of(g, struct trivial_graph, sg.g);
+
+       assert(node == &tg->sg.nodes[1]);
+       return NULL;
+}
+
+static const void *trivial_next_edge(const struct aga_graph *g,
+                                    const struct aga_node *node,
+                                    const void *edge)
+{
+       assert(0);
+}
+
+static int trivial_edge_info(const struct aga_graph *g,
+                            const struct aga_node *node,
+                            const void *edge,
+                            struct aga_edge_info *ei)
+{
+       assert(0);
+}
+
+void trivial_graph_init(struct trivial_graph *tg)
+{
+       simple_graph_init(&tg->sg, trivial_first_edge, trivial_next_edge,
+                         trivial_edge_info);
+}