1 files changed, 48 insertions, 0 deletions
diff --git a/bin/tests/system/names/tests.sh b/bin/tests/system/names/tests.sh
new file mode 100644
index 0000000..9546298
--- /dev/null
+++ b/bin/tests/system/names/tests.sh
@@ -0,0 +1,48 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="+nosea +stat +noquest +nocomm +nocmd -p ${PORT}"
+
+status=0
+
+echo_i "Getting message size with compression enabled"
+$DIG $DIGOPTS -b 10.53.0.1 @10.53.0.1 mx example > dig.compen.test
+COMPEN=$(grep ';; MSG SIZE' dig.compen.test |sed -e "s/.*: //g")
+cat dig.compen.test  |grep -v ';;' |sort > dig.compen.sorted.test
+
+echo_i "Getting message size with compression disabled"
+$DIG $DIGOPTS -b 10.53.0.2 @10.53.0.1 mx example > dig.compdis.test
+COMPDIS=$(grep ';; MSG SIZE' dig.compdis.test |sed -e "s/.*: //g")
+cat dig.compdis.test  |grep -v ';;' |sort > dig.compdis.sorted.test
+
+# the compression disabled message should be at least twice as large as with
+# compression disabled, but the content should be the same
+echo_i "Checking if responses are identical other than in message size"
+{ diff dig.compdis.sorted.test dig.compen.sorted.test >/dev/null; ret=$?; } || true
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Checking if message with compression disabled is significantly larger"
+echo_i "Disabled $COMPDIS vs enabled $COMPEN"
+val=$(( (COMPDIS * 3 / 2) / COMPEN))
+if [ $val -le 1 ]; then
+	echo_i "failed"
+	status=$((status + 1))
+fi;
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1