X-Git-Url: https://pd.if.org/git/?p=hexagon;a=blobdiff_plain;f=t%2Fdistance.c;h=28d520e89c235ca0fbe1ca06c976aa1a872488eb;hp=0f3ef9792b3ecf779c12e5b727bf072e6fbcd3d2;hb=5c48a06bc8649958e69013c53e925b83398ebc74;hpb=67fdcec57ab31e7a972ed624ab5f6df866313206

diff --git a/t/distance.c b/t/distance.c
index 0f3ef97..28d520e 100644
--- a/t/distance.c
+++ b/t/distance.c
@@ -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();
 }