From 8d2caf0c0775b5371185e801022ef0d761b60986 Mon Sep 17 00:00:00 2001
From: Claudio Jeker <claudio@cvs.openbsd.org>
Date: Tue, 31 May 2022 09:46:55 +0000
Subject: Extend community unit test to also check community_count()

---
 .../usr.sbin/bgpd/unittests/rde_community_test.c   | 53 +++++++++++++++++-----
 .../usr.sbin/bgpd/unittests/rde_community_test.h   | 36 +++++++++++++++
 2 files changed, 77 insertions(+), 12 deletions(-)

(limited to 'regress')

diff --git a/regress/usr.sbin/bgpd/unittests/rde_community_test.c b/regress/usr.sbin/bgpd/unittests/rde_community_test.c
index bb327069906..6c7c1156a02 100644
--- a/regress/usr.sbin/bgpd/unittests/rde_community_test.c
+++ b/regress/usr.sbin/bgpd/unittests/rde_community_test.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rde_community_test.c,v 1.4 2022/05/25 16:56:04 claudio Exp $ */
+/*	$OpenBSD: rde_community_test.c,v 1.5 2022/05/31 09:46:54 claudio Exp $ */
 
 /*
  * Copyright (c) 2019 Claudio Jeker <claudio@openbsd.org>
@@ -129,21 +129,50 @@ test_filter(size_t num, struct testfilter *f)
 		}
 	}
 
-	r = community_match(&comm, &filters[f->match], &peer);
-	if (r != f->mout) {
-		printf("Test %zu: community_match "
-		    "unexpected return %d != %d\n", num, r, f->mout);
-		return -1;
+	if (f->match != -1) {
+		r = community_match(&comm, &filters[f->match], &peer);
+		if (r != f->mout) {
+			printf("Test %zu: community_match "
+			    "unexpected return %d != %d\n", num, r, f->mout);
+			return -1;
+		}
 	}
 
-	if (f->delete == -1)
-		return 0;
+	if (f->delete != -1) {
+		community_delete(&comm, &filters[f->delete], &peer);
 
-	community_delete(&comm, &filters[f->delete], &peer);
+		if (community_match(&comm, &filters[f->delete], &peer) != 0) {
+			printf("Test %zu: community_delete still around\n",
+			    num);
+			return -1;
+		}
+	}
 
-	if (community_match(&comm, &filters[f->delete], &peer) != 0) {
-		printf("Test %zu: community_delete still around\n", num);
-		return -1;
+	if (f->ncomm != 0) {
+		if (community_count(&comm, COMMUNITY_TYPE_BASIC) !=
+		    f->ncomm - 1) {
+			printf("Test %zu: community_count unexpected "
+			    "return %d != %d\n", num, r, f->ncomm - 1);
+			return -1;
+		}
+	}
+
+	if (f->next != 0) {
+		if (community_count(&comm, COMMUNITY_TYPE_EXT) !=
+		    f->next - 1) {
+			printf("Test %zu: community_count unexpected "
+			    "return %d != %d\n", num, r, f->next - 1);
+			return -1;
+		}
+	}
+
+	if (f->nlarge != 0) {
+		if (community_count(&comm, COMMUNITY_TYPE_LARGE) !=
+		    f->nlarge - 1) {
+			printf("Test %zu: community_count unexpected "
+			    "return %d != %d\n", num, r, f->nlarge - 1);
+			return -1;
+		}
 	}
 
 	return 0;
diff --git a/regress/usr.sbin/bgpd/unittests/rde_community_test.h b/regress/usr.sbin/bgpd/unittests/rde_community_test.h
index cd575fdc529..4a74072eebb 100644
--- a/regress/usr.sbin/bgpd/unittests/rde_community_test.h
+++ b/regress/usr.sbin/bgpd/unittests/rde_community_test.h
@@ -416,6 +416,9 @@ struct testfilter {
 	ssize_t	delete;
 	ssize_t	match;
 	int	mout;
+	int	ncomm;
+	int	next;
+	int	nlarge;
 } testfilters[] = {
 	{
 		.in = { 1, 2, -1 },
@@ -519,4 +522,37 @@ struct testfilter {
 		.mout = 1,
 		.delete = 0,
 	},
+	{
+		.in = { -1 },
+		.match = 21,
+		.mout = 0,
+		.delete = -1,
+		.ncomm = 0 + 1,
+		.next = 0 + 1,
+		.nlarge = 0 + 1,
+	},
+	{
+		.in = { 0, 3, 6, -1 },
+		.match = -1,
+		.delete = -1,
+		.ncomm = 3 + 1,
+		.next = 0 + 1,
+		.nlarge = 0 + 1,
+	},
+	{
+		.in = { 0, 25, 26, 19, -1 },
+		.match = -1,
+		.delete = -1,
+		.ncomm = 1 + 1,
+		.next = 2 + 1,
+		.nlarge = 1 + 1,
+	},
+	{ /* 20 */
+		.in = { 0, 10, 26, -1 },
+		.match = -1,
+		.delete = -1,
+		.ncomm = 1 + 1,
+		.next = 1 + 1,
+		.nlarge = 1 + 1,
+	},
 };
-- 
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