pf tests: Test PR 183198

Create a table which is only used inside an anchor, ensure that the
table exists.

PR:		183198
MFC after:	2 weeks

tests/sys/netpfil/pf/Makefile

@@ -5,7 +5,8 @@ PACKAGE=	tests
 TESTSDIR=       ${TESTSBASE}/sys/netpfil/pf
 TESTS_SUBDIRS+=	ioctl
 
-ATF_TESTS_SH+=	pass_block \
+ATF_TESTS_SH+=	anchor \
+		pass_block \
 		forward \
 		fragmentation \
 		set_tos \

tests/sys/netpfil/pf/anchor.sh

@@ -0,0 +1,40 @@
+# $FreeBSD$
+
+. $(atf_get_srcdir)/utils.subr
+
+atf_test_case "pr183198" "cleanup"
+pr183198_head()
+{
+	atf_set descr 'Test tables referenced by rules in anchors'
+	atf_set require.user root
+}
+
+pr183198_body()
+{
+	pft_init
+
+	epair=$(pft_mkepair)
+	pft_mkjail alcatraz ${epair}b
+	jexec alcatraz pfctl -e
+
+	# Forward with pf enabled
+	pft_set_rules alcatraz  \
+		"table <test> { 10.0.0.1, 10.0.0.2, 10.0.0.3 }" \
+		"block in" \
+		"anchor \"epair\" on ${epair}b { \n\
+			pass in from <test> \n\
+		}"
+
+	atf_check -s exit:0 -o ignore jexec alcatraz pfctl -sr -a '*'
+	atf_check -s exit:0 -o ignore jexec alcatraz pfctl -t test -T show
+}
+
+pr183198_cleanup()
+{
+	pft_cleanup
+}
+
+atf_init_test_cases()
+{
+	atf_add_test_case "pr183198"
+}