From a95799f95d64e82525f7a14d54a4ace3daeed972 Mon Sep 17 00:00:00 2001
From: JingPiao Chen <chenjingpiao@gmail.com>
Date: Sun, 13 Aug 2017 10:29:03 +0800
Subject: [PATCH] tests: check decoding of rtnetlink nsid messages

* tests/netlink_route.c (test_rtnl_nsid): New function.
(main): Use it.

Co-authored-by: Fabien Siron <fabien.siron@epita.fr>
---
 tests/netlink_route.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/tests/netlink_route.c b/tests/netlink_route.c
index 64fc73ad..5b60a17b 100644
--- a/tests/netlink_route.c
+++ b/tests/netlink_route.c
@@ -447,6 +447,22 @@ test_rtnl_mdb(const int fd)
 }
 #endif
 
+#ifdef RTM_NEWNSID
+static void
+test_rtnl_nsid(const int fd)
+{
+	void *const nlh0 = tail_alloc(NLMSG_HDRLEN);
+	static const struct rtgenmsg msg = {
+		.rtgen_family = AF_UNIX
+	};
+
+	TEST_NETLINK(fd, nlh0,
+		     RTM_GETNSID, NLM_F_REQUEST,
+		     sizeof(msg), &msg, sizeof(msg),
+		     printf("{rtgen_family=AF_UNIX}"));
+}
+#endif
+
 int main(void)
 {
 	skip_if_unavailable("/proc/self/fd/");
@@ -479,6 +495,9 @@ int main(void)
 #ifdef HAVE_STRUCT_BR_PORT_MSG
 	test_rtnl_mdb(fd);
 #endif
+#ifdef RTM_NEWNSID
+	test_rtnl_nsid(fd);
+#endif
 
 	printf("+++ exited with 0 +++\n");