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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 07:24:22 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 07:24:22 +0000
commit45d6379135504814ab723b57f0eb8be23393a51d (patch)
treed4f2ec4acca824a8446387a758b0ce4238a4dffa /bin/tests/system/rrsetorder/tests.sh
parentInitial commit. (diff)
downloadbind9-45d6379135504814ab723b57f0eb8be23393a51d.tar.xz
bind9-45d6379135504814ab723b57f0eb8be23393a51d.zip
Adding upstream version 1:9.16.44.upstream/1%9.16.44upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--bin/tests/system/rrsetorder/tests.sh553
1 files changed, 553 insertions, 0 deletions
diff --git a/bin/tests/system/rrsetorder/tests.sh b/bin/tests/system/rrsetorder/tests.sh
new file mode 100644
index 0000000..0f5ce8a
--- /dev/null
+++ b/bin/tests/system/rrsetorder/tests.sh
@@ -0,0 +1,553 @@
+#!/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.
+
+SYSTEMTESTTOP=..
+. $SYSTEMTESTTOP/conf.sh
+
+DIGOPTS="+nosea +nocomm +nocmd +noquest +noadd +noauth +nocomm +nostat +short +nocookie"
+DIGCMD="$DIG $DIGOPTS -p ${PORT}"
+
+status=0
+
+GOOD_RANDOM="1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24"
+GOOD_RANDOM_NO=24
+
+if grep "^#define DNS_RDATASET_FIXED" $TOP/config.h > /dev/null 2>&1 ; then
+ test_fixed=true
+else
+ echo_i "Order 'fixed' disabled at compile time"
+ test_fixed=false
+fi
+
+#
+#
+#
+if $test_fixed; then
+ echo_i "Checking order fixed (primary)"
+ ret=0
+ for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
+ do
+ $DIGCMD @10.53.0.1 fixed.example > dig.out.fixed || ret=1
+ $DIFF dig.out.fixed dig.out.fixed.good >/dev/null || ret=1
+ done
+ if [ $ret != 0 ]; then echo_i "failed"; fi
+ status=$((status + ret))
+else
+ echo_i "Checking order fixed behaves as cyclic when disabled (primary)"
+ ret=0
+ matches=0
+ for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+ do
+ j=$((i % 4))
+ $DIGCMD @10.53.0.1 fixed.example > dig.out.fixed || ret=1
+ if [ $i -le 4 ]; then
+ cp dig.out.fixed dig.out.$j
+ else
+ $DIFF dig.out.fixed dig.out.$j >/dev/null && matches=$((matches + 1))
+ fi
+ done
+ $DIFF dig.out.0 dig.out.1 >/dev/null && ret=1
+ $DIFF dig.out.0 dig.out.2 >/dev/null && ret=1
+ $DIFF dig.out.0 dig.out.3 >/dev/null && ret=1
+ $DIFF dig.out.1 dig.out.2 >/dev/null && ret=1
+ $DIFF dig.out.1 dig.out.3 >/dev/null && ret=1
+ $DIFF dig.out.2 dig.out.3 >/dev/null && ret=1
+ if [ $matches -ne 16 ]; then ret=1; fi
+ if [ $ret != 0 ]; then echo_i "failed"; fi
+ status=$((status + ret))
+fi
+
+#
+#
+#
+echo_i "Checking order cyclic (primary + additional)"
+ret=0
+matches=0
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+do
+ j=$((i % 4))
+ $DIGCMD @10.53.0.1 cyclic.example > dig.out.cyclic || ret=1
+ if [ $i -le 4 ]; then
+ cp dig.out.cyclic dig.out.$j
+ else
+ $DIFF dig.out.cyclic dig.out.$j >/dev/null && matches=$((matches + 1))
+ fi
+done
+$DIFF dig.out.0 dig.out.1 >/dev/null && ret=1
+$DIFF dig.out.0 dig.out.2 >/dev/null && ret=1
+$DIFF dig.out.0 dig.out.3 >/dev/null && ret=1
+$DIFF dig.out.1 dig.out.2 >/dev/null && ret=1
+$DIFF dig.out.1 dig.out.3 >/dev/null && ret=1
+$DIFF dig.out.2 dig.out.3 >/dev/null && ret=1
+if [ $matches -ne 16 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#
+#
+#
+echo_i "Checking order cyclic (primary)"
+ret=0
+matches=0
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+do
+ j=$((i % 4))
+ $DIGCMD @10.53.0.1 cyclic2.example > dig.out.cyclic2 || ret=1
+ if [ $i -le 4 ]; then
+ cp dig.out.cyclic2 dig.out.$j
+ else
+ $DIFF dig.out.cyclic2 dig.out.$j >/dev/null && matches=$((matches + 1))
+ fi
+done
+$DIFF dig.out.0 dig.out.1 >/dev/null && ret=1
+$DIFF dig.out.0 dig.out.2 >/dev/null && ret=1
+$DIFF dig.out.0 dig.out.3 >/dev/null && ret=1
+$DIFF dig.out.1 dig.out.2 >/dev/null && ret=1
+$DIFF dig.out.1 dig.out.3 >/dev/null && ret=1
+$DIFF dig.out.2 dig.out.3 >/dev/null && ret=1
+if [ $matches -ne 16 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+echo_i "Checking order random (primary)"
+ret=0
+for i in $GOOD_RANDOM
+do
+ eval match$i=0
+done
+for i in a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 9
+do
+ $DIGCMD @10.53.0.1 random.example > dig.out.random || ret=1
+ match=0
+ for j in $GOOD_RANDOM
+ do
+ eval "$DIFF dig.out.random dig.out.random.good$j >/dev/null && match$j=1 match=1"
+ if [ $match -eq 1 ]; then break; fi
+ done
+ if [ $match -eq 0 ]; then ret=1; fi
+done
+match=0
+for i in $GOOD_RANDOM
+do
+ eval "match=\$((match + match$i))"
+done
+echo_i "Random selection return $match of ${GOOD_RANDOM_NO} possible orders in 36 samples"
+if [ $match -lt $((GOOD_RANDOM_NO / 3)) ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Checking order none (primary)"
+ret=0
+# Fetch the "reference" response and ensure it contains the expected records.
+$DIGCMD @10.53.0.1 none.example > dig.out.none || ret=1
+for i in 1 2 3 4; do
+ grep -F -q 1.2.3.$i dig.out.none || ret=1
+done
+# Ensure 20 further queries result in the same response as the "reference" one.
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
+ $DIGCMD @10.53.0.1 none.example > dig.out.test$i || ret=1
+ $DIFF dig.out.none dig.out.test$i >/dev/null || ret=1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#
+#
+#
+if $test_fixed; then
+ echo_i "Checking order fixed (secondary)"
+ ret=0
+ for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
+ do
+ $DIGCMD @10.53.0.2 fixed.example > dig.out.fixed || ret=1
+ $DIFF dig.out.fixed dig.out.fixed.good || ret=1
+ done
+ if [ $ret != 0 ]; then echo_i "failed"; fi
+ status=$((status + ret))
+fi
+
+#
+#
+#
+echo_i "Checking order cyclic (secondary + additional)"
+ret=0
+matches=0
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+do
+ j=$((i % 4))
+ $DIGCMD @10.53.0.2 cyclic.example > dig.out.cyclic || ret=1
+ if [ $i -le 4 ]; then
+ cp dig.out.cyclic dig.out.$j
+ else
+ $DIFF dig.out.cyclic dig.out.$j >/dev/null && matches=$((matches + 1))
+ fi
+done
+$DIFF dig.out.0 dig.out.1 >/dev/null && ret=1
+$DIFF dig.out.0 dig.out.2 >/dev/null && ret=1
+$DIFF dig.out.0 dig.out.3 >/dev/null && ret=1
+$DIFF dig.out.1 dig.out.2 >/dev/null && ret=1
+$DIFF dig.out.1 dig.out.3 >/dev/null && ret=1
+$DIFF dig.out.2 dig.out.3 >/dev/null && ret=1
+if [ $matches -ne 16 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#
+#
+#
+echo_i "Checking order cyclic (secondary)"
+ret=0
+matches=0
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+do
+ j=$((i % 4))
+ $DIGCMD @10.53.0.2 cyclic2.example > dig.out.cyclic2 || ret=1
+ if [ $i -le 4 ]; then
+ cp dig.out.cyclic2 dig.out.$j
+ else
+ $DIFF dig.out.cyclic2 dig.out.$j >/dev/null && matches=$((matches + 1))
+ fi
+done
+$DIFF dig.out.0 dig.out.1 >/dev/null && ret=1
+$DIFF dig.out.0 dig.out.2 >/dev/null && ret=1
+$DIFF dig.out.0 dig.out.3 >/dev/null && ret=1
+$DIFF dig.out.1 dig.out.2 >/dev/null && ret=1
+$DIFF dig.out.1 dig.out.3 >/dev/null && ret=1
+$DIFF dig.out.2 dig.out.3 >/dev/null && ret=1
+if [ $matches -ne 16 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Checking order random (secondary)"
+ret=0
+for i in $GOOD_RANDOM
+do
+ eval match$i=0
+done
+for i in a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 9
+do
+ $DIGCMD @10.53.0.2 random.example > dig.out.random || ret=1
+ match=0
+ for j in $GOOD_RANDOM
+ do
+ eval "$DIFF dig.out.random dig.out.random.good$j >/dev/null && match$j=1 match=1"
+ if [ $match -eq 1 ]; then break; fi
+ done
+ if [ $match -eq 0 ]; then ret=1; fi
+done
+match=0
+for i in $GOOD_RANDOM
+do
+ eval "match=\$((match + match$i))"
+done
+echo_i "Random selection return $match of ${GOOD_RANDOM_NO} possible orders in 36 samples"
+if [ $match -lt $((GOOD_RANDOM_NO / 3)) ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Checking order none (secondary)"
+ret=0
+# Fetch the "reference" response and ensure it contains the expected records.
+$DIGCMD @10.53.0.2 none.example > dig.out.none || ret=1
+for i in 1 2 3 4; do
+ grep -F -q 1.2.3.$i dig.out.none || ret=1
+done
+# Ensure 20 further queries result in the same response as the "reference" one.
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
+ $DIGCMD @10.53.0.2 none.example > dig.out.test$i || ret=1
+ $DIFF dig.out.none dig.out.test$i >/dev/null || ret=1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Shutting down secondary"
+
+stop_server ns2
+
+echo_i "Checking for secondary's on disk copy of zone"
+
+if [ ! -f ns2/root.bk ]
+then
+ echo_i "failed";
+ status=$((status + 1))
+fi
+
+echo_i "Re-starting secondary"
+
+start_server --noclean --restart --port ${PORT} ns2
+
+#
+#
+#
+if $test_fixed; then
+ echo_i "Checking order fixed (secondary loaded from disk)"
+ ret=0
+ for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
+ do
+ $DIGCMD @10.53.0.2 fixed.example > dig.out.fixed || ret=1
+ $DIFF dig.out.fixed dig.out.fixed.good || ret=1
+ done
+ if [ $ret != 0 ]; then echo_i "failed"; fi
+ status=$((status + ret))
+fi
+
+#
+#
+#
+echo_i "Checking order cyclic (secondary + additional, loaded from disk)"
+ret=0
+matches=0
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+do
+ j=$((i % 4))
+ $DIGCMD @10.53.0.2 cyclic.example > dig.out.cyclic || ret=1
+ if [ $i -le 4 ]; then
+ cp dig.out.cyclic dig.out.$j
+ else
+ $DIFF dig.out.cyclic dig.out.$j >/dev/null && matches=$((matches + 1))
+ fi
+done
+$DIFF dig.out.0 dig.out.1 >/dev/null && ret=1
+$DIFF dig.out.0 dig.out.2 >/dev/null && ret=1
+$DIFF dig.out.0 dig.out.3 >/dev/null && ret=1
+$DIFF dig.out.1 dig.out.2 >/dev/null && ret=1
+$DIFF dig.out.1 dig.out.3 >/dev/null && ret=1
+$DIFF dig.out.2 dig.out.3 >/dev/null && ret=1
+if [ $matches -ne 16 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#
+#
+#
+echo_i "Checking order cyclic (secondary loaded from disk)"
+ret=0
+matches=0
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+do
+ j=$((i % 4))
+ $DIGCMD @10.53.0.2 cyclic2.example > dig.out.cyclic2 || ret=1
+ if [ $i -le 4 ]; then
+ cp dig.out.cyclic2 dig.out.$j
+ else
+ $DIFF dig.out.cyclic2 dig.out.$j >/dev/null && matches=$((matches + 1))
+ fi
+done
+$DIFF dig.out.0 dig.out.1 >/dev/null && ret=1
+$DIFF dig.out.0 dig.out.2 >/dev/null && ret=1
+$DIFF dig.out.0 dig.out.3 >/dev/null && ret=1
+$DIFF dig.out.1 dig.out.2 >/dev/null && ret=1
+$DIFF dig.out.1 dig.out.3 >/dev/null && ret=1
+$DIFF dig.out.2 dig.out.3 >/dev/null && ret=1
+if [ $matches -ne 16 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Checking order random (secondary loaded from disk)"
+ret=0
+for i in $GOOD_RANDOM
+do
+ eval match$i=0
+done
+for i in a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 9
+do
+ $DIGCMD @10.53.0.2 random.example > dig.out.random || ret=1
+ match=0
+ for j in $GOOD_RANDOM
+ do
+ eval "$DIFF dig.out.random dig.out.random.good$j >/dev/null && match$j=1 match=1"
+ if [ $match -eq 1 ]; then break; fi
+ done
+ if [ $match -eq 0 ]; then ret=1; fi
+done
+match=0
+for i in $GOOD_RANDOM
+do
+ eval "match=\$((match + match$i))"
+done
+echo_i "Random selection return $match of ${GOOD_RANDOM_NO} possible orders in 36 samples"
+if [ $match -lt $((GOOD_RANDOM_NO / 3)) ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Checking order none (secondary loaded from disk)"
+ret=0
+# Fetch the "reference" response and ensure it contains the expected records.
+$DIGCMD @10.53.0.2 none.example > dig.out.none || ret=1
+for i in 1 2 3 4; do
+ grep -F -q 1.2.3.$i dig.out.none || ret=1
+done
+# Ensure 20 further queries result in the same response as the "reference" one.
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
+ $DIGCMD @10.53.0.2 none.example > dig.out.test$i || ret=1
+ $DIFF dig.out.none dig.out.test$i >/dev/null || ret=1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#
+#
+#
+if $test_fixed; then
+ echo_i "Checking order fixed (cache)"
+ ret=0
+ for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
+ do
+ $DIGCMD @10.53.0.3 fixed.example > dig.out.fixed || ret=1
+ $DIFF dig.out.fixed dig.out.fixed.good || ret=1
+ done
+ if [ $ret != 0 ]; then echo_i "failed"; fi
+ status=$((status + ret))
+fi
+
+#
+#
+#
+echo_i "Checking order cyclic (cache + additional)"
+ret=0
+# prime acache
+$DIGCMD @10.53.0.3 cyclic.example > dig.out.cyclic || ret=1
+matches=0
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+do
+ j=$((i % 4))
+ $DIGCMD @10.53.0.3 cyclic.example > dig.out.cyclic || ret=1
+ if [ $i -le 4 ]; then
+ cp dig.out.cyclic dig.out.$j
+ else
+ $DIFF dig.out.cyclic dig.out.$j >/dev/null && matches=$((matches + 1))
+ fi
+done
+$DIFF dig.out.0 dig.out.1 >/dev/null && ret=1
+$DIFF dig.out.0 dig.out.2 >/dev/null && ret=1
+$DIFF dig.out.0 dig.out.3 >/dev/null && ret=1
+$DIFF dig.out.1 dig.out.2 >/dev/null && ret=1
+$DIFF dig.out.1 dig.out.3 >/dev/null && ret=1
+$DIFF dig.out.2 dig.out.3 >/dev/null && ret=1
+if [ $matches -ne 16 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#
+#
+#
+echo_i "Checking order cyclic (cache)"
+ret=0
+# prime acache
+$DIGCMD @10.53.0.3 cyclic2.example > dig.out.cyclic2 || ret=1
+matches=0
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+do
+ j=$((i % 4))
+ $DIGCMD @10.53.0.3 cyclic2.example > dig.out.cyclic2 || ret=1
+ if [ $i -le 4 ]; then
+ cp dig.out.cyclic2 dig.out.$j
+ else
+ $DIFF dig.out.cyclic2 dig.out.$j >/dev/null && matches=$((matches + 1))
+ fi
+done
+$DIFF dig.out.0 dig.out.1 >/dev/null && ret=1
+$DIFF dig.out.0 dig.out.2 >/dev/null && ret=1
+$DIFF dig.out.0 dig.out.3 >/dev/null && ret=1
+$DIFF dig.out.1 dig.out.2 >/dev/null && ret=1
+$DIFF dig.out.1 dig.out.3 >/dev/null && ret=1
+$DIFF dig.out.2 dig.out.3 >/dev/null && ret=1
+if [ $matches -ne 16 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Checking order random (cache)"
+ret=0
+for i in $GOOD_RANDOM
+do
+ eval match$i=0
+done
+for i in a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 9
+do
+ $DIGCMD @10.53.0.3 random.example > dig.out.random || ret=1
+ match=0
+ for j in $GOOD_RANDOM
+ do
+ eval "$DIFF dig.out.random dig.out.random.good$j >/dev/null && match$j=1 match=1"
+ if [ $match -eq 1 ]; then break; fi
+ done
+ if [ $match -eq 0 ]; then ret=1; fi
+done
+match=0
+for i in $GOOD_RANDOM
+do
+ eval "match=\$((match + match$i))"
+done
+echo_i "Random selection return $match of ${GOOD_RANDOM_NO} possible orders in 36 samples"
+if [ $match -lt $((GOOD_RANDOM_NO / 3)) ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Checking order none (cache)"
+ret=0
+# Fetch the "reference" response and ensure it contains the expected records.
+$DIGCMD @10.53.0.3 none.example > dig.out.none || ret=1
+for i in 1 2 3 4; do
+ grep -F -q 1.2.3.$i dig.out.none || ret=1
+done
+# Ensure 20 further queries result in the same response as the "reference" one.
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
+ $DIGCMD @10.53.0.3 none.example > dig.out.test$i || ret=1
+ $DIFF dig.out.none dig.out.test$i >/dev/null || ret=1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Checking default order (cache)"
+ret=0
+for i in $GOOD_RANDOM
+do
+ eval match$i=0
+done
+for i in a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 9
+do
+ $DIGCMD @10.53.0.5 random.example > dig.out.random || ret=1
+ match=0
+ for j in $GOOD_RANDOM
+ do
+ eval "$DIFF dig.out.random dig.out.random.good$j >/dev/null && match$j=1 match=1"
+ if [ $match -eq 1 ]; then break; fi
+ done
+ if [ $match -eq 0 ]; then ret=1; fi
+done
+match=0
+for i in $GOOD_RANDOM
+do
+ eval "match=\$((match + match$i))"
+done
+echo_i "Default selection return $match of ${GOOD_RANDOM_NO} possible orders in 36 samples"
+if [ $match -lt $((GOOD_RANDOM_NO / 3)) ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Checking default order no match in rrset-order (cache)"
+ret=0
+# Fetch the "reference" response and ensure it contains the expected records.
+$DIGCMD @10.53.0.4 nomatch.example > dig.out.nomatch || ret=1
+for i in 1 2 3 4; do
+ grep -F -q 1.2.3.$i dig.out.nomatch || ret=1
+done
+# Ensure 20 further queries result in the same response as the "reference" one.
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
+ $DIGCMD @10.53.0.4 nomatch.example > dig.out.test$i || ret=1
+ $DIFF dig.out.nomatch dig.out.test$i >/dev/null || ret=1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1