X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fagar%2Ftest%2Ferror-graph.c;fp=ccan%2Fagar%2Ftest%2Ferror-graph.c;h=efd83a37bf0fba6ba27c5007cf9991b8ef379701;hb=c2966d1879c825cfaf0e7d6848a5da052ee4a038;hp=0000000000000000000000000000000000000000;hpb=06162212353c882249d7e207756ea81ea645fc30;p=ccan

diff --git a/ccan/agar/test/error-graph.c b/ccan/agar/test/error-graph.c
new file mode 100644
index 00000000..efd83a37
--- /dev/null
+++ b/ccan/agar/test/error-graph.c
@@ -0,0 +1,55 @@
+#include "config.h"
+
+#include <assert.h>
+
+#include <ccan/agar/agar.h>
+#include <ccan/container_of/container_of.h>
+#include <ccan/ptrint/ptrint.h>
+
+#include "simple-graphr.h"
+
+static const void *error_first_edge_r(const struct agar_graph *gr,
+				      const void *nr)
+{
+	return int2ptr(1);
+}
+
+static const void *error_next_edge_r(const struct agar_graph *gr,
+				     const void *nr, const void *e)
+{
+	assert(ptr2int(e) == 1);
+
+	return NULL;
+}
+
+static int error_edge_info_r(const struct agar_graph *gr,
+			     const void *nr, const void *e,
+			     struct agar_edge_info *eir)
+{
+	int fromindex = ptr2int(nr);
+
+	switch (fromindex) {
+	case 1:
+		eir->to = int2ptr(2);
+		break;
+
+	case 2:
+		eir->to = NULL;
+		break;
+
+	case 3:
+		eir->to = int2ptr(4);
+		break;
+
+	default:
+		return -1;
+	}
+
+	return 0;
+}
+
+void error_graphr_init(struct error_graphr *egr)
+{
+	agar_init_graph(&egr->gr, error_first_edge_r, error_next_edge_r,
+			error_edge_info_r);
+}