X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fagar%2Ftest%2Ftraversal1.c;fp=ccan%2Fagar%2Ftest%2Ftraversal1.c;h=0a465989f6f7e3a82ac291dd123f055475560214;hb=c2966d1879c825cfaf0e7d6848a5da052ee4a038;hp=0000000000000000000000000000000000000000;hpb=06162212353c882249d7e207756ea81ea645fc30;p=ccan

diff --git a/ccan/agar/test/traversal1.c b/ccan/agar/test/traversal1.c
new file mode 100644
index 00000000..0a465989
--- /dev/null
+++ b/ccan/agar/test/traversal1.c
@@ -0,0 +1,114 @@
+#include "config.h"
+
+#include <assert.h>
+
+#include <ccan/container_of/container_of.h>
+#include <ccan/ptrint/ptrint.h>
+
+#include <ccan/agar/agar.h>
+
+#include "simple-graphr.h"
+
+static const void *traversal1_first_edge_r(const struct agar_graph *gr,
+					   const void *nr)
+{
+	int ni = ptr2int(nr);
+
+	switch (ni) {
+	case 1:
+	case 2:
+	case 3:
+
+	case 7:
+	case 8:
+	case 9:
+		return int2ptr(1);
+
+	case 4:
+	case 5:
+	case 6:
+		return NULL;
+
+	default:
+		assert(0);
+	}
+}
+
+static const void *traversal1_next_edge_r(const struct agar_graph *gr,
+					  const void *nr, const void *e)
+{
+	int ni = ptr2int(nr);
+	int index = ptr2int(e);
+
+	assert((ni < 4) || (ni > 6));
+	if (index == 1)
+		return int2ptr(2);
+	else if (index == 2)
+		return NULL;
+	else
+		assert(0);
+}
+
+static int traversal1_edge_info_r(const struct agar_graph *gr,
+				  const void *nr, const void *e,
+				  struct agar_edge_info *eir)
+{
+	int ni = ptr2int(nr);
+	int index = ptr2int(e);
+
+	assert((index == 1) || (index == 2));
+
+	switch (ni) {
+	case 1:
+		if (index == 1)
+			eir->to = int2ptr(2);
+		else
+			eir->to = int2ptr(3);
+		break;
+
+	case 2:
+		if (index == 1)
+			eir->to = int2ptr(4);
+		else
+			eir->to = int2ptr(5);
+		break;
+	case 3:
+		if (index == 1)
+			eir->to = int2ptr(5);
+		else
+			eir->to = int2ptr(6);
+		break;
+
+	case 7:
+		if (index == 1)
+			eir->to = int2ptr(5);
+		else
+			eir->to = int2ptr(4);
+		break;
+
+	case 8:
+		if (index == 1)
+			eir->to = int2ptr(6);
+		else
+			eir->to = int2ptr(5);
+		break;
+
+	case 9:
+		if (index == 1)
+			eir->to = int2ptr(8);
+		else
+			eir->to = int2ptr(7);
+		break;
+
+	default:
+		assert(0);
+	}
+	return 0;
+}
+
+void traversal1_graphr_init(struct traversal1_graphr *t1gr)
+{
+	agar_init_graph(&t1gr->gr,
+			traversal1_first_edge_r, traversal1_next_edge_r,
+			traversal1_edge_info_r);
+}