X-Git-Url: https://pd.if.org/git/?p=hexagon;a=blobdiff_plain;f=t%2Fdistance.c;h=71d7079a0af5143f026865ee083279fe18abe26d;hp=0f3ef9792b3ecf779c12e5b727bf072e6fbcd3d2;hb=8ca2b8a06b00066a20f744a61c9bcdd65949a344;hpb=8f632e5a3428101590e8cbe94025060c5c3b5ecf

diff --git a/t/distance.c b/t/distance.c
index 0f3ef97..71d7079 100644
--- a/t/distance.c
+++ b/t/distance.c
@@ -1,4 +1,4 @@
-#include "hexmap.h"
+#include "hexagon.h"
 
 #include "tap.h"
 
@@ -13,13 +13,16 @@ void dcheck(int x1, int y1, int x2, int y2, int expect) {
 }
 
 int main(void) {
-	plan_tests(5);
+	plan_tests(8);
 
 	dcheck(1,1,2,1,1);
 	dcheck(1,1,2,2,2);
 	dcheck(2,2,2,1,1);
 	dcheck(1,1,2,3,3);
 	dcheck(3,3,3,3,0);
+	dcheck(0,0,1,1,1);
+	dcheck(-1,-1,1,2,4);
+	dcheck(-1,-1,-1,-2,1);
 
 	return exit_status();
 }