X-Git-Url: https://pd.if.org/git/?p=hexagon;a=blobdiff_plain;f=t%2Fastar.c;h=af88268d4212af1c23484843108e5aeeb4144d81;hp=bab342d0301826f4d1ee5a2bacb79ddce60b68a6;hb=5c48a06bc8649958e69013c53e925b83398ebc74;hpb=67fdcec57ab31e7a972ed624ab5f6df866313206

diff --git a/t/astar.c b/t/astar.c
index bab342d..af88268 100644
--- a/t/astar.c
+++ b/t/astar.c
@@ -10,7 +10,7 @@ void pcheck(struct HL_astar *p, int x1, int y1, int x2, int y2, int expect) {
 	from = HL_cantor_xy(x1,y1);
 	to = HL_cantor_xy(x2,y2);
 
-	HL_astar_init(p);
+	HL_astar_clear(p);
 
 	p->start = from;
 	p->goal = to;
@@ -19,15 +19,27 @@ void pcheck(struct HL_astar *p, int x1, int y1, int x2, int y2, int expect) {
 	ok(p->error == 0, "found path from (%02d, %02d) to (%02d, %02d) with no error",
 		x1, y1, x2, y2);
 	ok(dist == expect,
-			"found path from (%02d, %02d) to (%02d, %02d) path length = %d (expect %d)\n",
+			"found path from (%02d, %02d) to (%02d, %02d) path length = %d (expect %d)",
 		x1, y1, x2, y2, dist, expect);
 }
 
+/* make hex 55 missing */
+int neighbor55(int hex, int dir) {
+	int neighbor;
+
+	neighbor = HL_adjacent_hex(hex, dir);
+	if (neighbor == HL_cantor_xy(5,5)) {
+		return -1;
+	}
+
+	return neighbor;
+}
+
 int main(void) {
 	struct HL_astar *p;
 	int length;
 
-	plan_tests(15);
+	plan_tests(17);
 
 	p = HL_astar_init(0);
 	ok(p != NULL, "allocated astar struct");
@@ -47,6 +59,10 @@ int main(void) {
 	pcheck(p, 1,1, 3,1, 2);
 	pcheck(p, 1,1, 4,7, 8);
 
+	HL_astar_clear(p);
+	p->neighbor = neighbor55;
+	pcheck(p,5,4,5,6,3);
+
 	HL_astar_free(p);
 
 	return exit_status();