From: Evan Hunt <each@isc.org>
Date: Mon, 24 Apr 2023 11:34:50 +0000 (+0100)
Subject: add a regression test for duplicate NS output
X-Git-Tag: v9.19.13~8^2~1
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=7de2d07eb05658971408a2042eda37ba033d1f52;p=thirdparty%2Fbind9.git

add a regression test for duplicate NS output

check that an NS RRset with two servers is only printed once.
---

diff --git a/bin/tests/system/digdelv/tests.sh b/bin/tests/system/digdelv/tests.sh
index d222e57d104..6744c1aa781 100644
--- a/bin/tests/system/digdelv/tests.sh
+++ b/bin/tests/system/digdelv/tests.sh
@@ -1404,6 +1404,13 @@ if [ -x "$DELV" ] ; then
   if [ $ret -ne 0 ]; then echo_i "failed"; fi
   status=$((status+ret))
 
+  n=$((n+1))
+  echo_i "check NS output from delv +ns ($n)"
+  delv_with_opts -i +ns +nortrace +nostrace +nomtrace +novtrace +hint=../common/root.hint ns example > delv.out.test$n || ret=1
+  lines=$(awk '$1 == "example." && $4 == "NS" {print}' delv.out.test$n | wc -l)
+  [ $lines -eq 2 ] || ret=1
+  status=$((status+ret))
+
   n=$((n+1))
   echo_i "checking delv +ns (no validation) ($n)"
   ret=0