renice: add unit tests.
Sponsored by: Klara, Inc.
This commit is contained in:
Dag-Erling Smørgrav
parent
65ee0a8495
commit
7ccdad905f
@ -1070,6 +1070,8 @@
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..
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procstat
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..
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renice
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..
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rs
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..
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sdiff
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@ -1,7 +1,12 @@
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# @(#)Makefile 8.1 (Berkeley) 6/9/93
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# $FreeBSD$
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.include <src.opts.mk>
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PROG= renice
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MAN= renice.8
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HAS_TESTS=
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SUBDIR.${MK_TESTS}+= tests
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.include <bsd.prog.mk>
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3
usr.bin/renice/tests/Makefile
Normal file
3
usr.bin/renice/tests/Makefile
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@ -0,0 +1,3 @@
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ATF_TESTS_SH+= renice_test
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.include <bsd.test.mk>
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169
usr.bin/renice/tests/renice_test.sh
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169
usr.bin/renice/tests/renice_test.sh
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@ -0,0 +1,169 @@
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#!/bin/sh
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#-
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# Copyright (c) 2022 Klara, Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# Name of user to use for -u tests when running as root. Beware that
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# processes owned by that user will be affected by the test.
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TEST_USER=nobody
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_renice() {
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atf_check -o empty -e ignore -s exit:0 renice "$@"
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}
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# Set a process's nice number to an absolute value
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atf_test_case renice_abs_pid
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renice_abs_pid_body() {
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local pid nice incr
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sleep 60 &
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pid=$!
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nice="$(ps -o nice= -p $pid)"
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incr=3
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_renice $((nice+incr)) $pid
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atf_check_equal $((nice+incr)) "$(ps -o nice= -p $pid)"
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kill $pid
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}
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# Change a process's nice number by a relative value
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atf_test_case renice_rel_pid
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renice_rel_pid_body() {
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local pid nice incr
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sleep 60 &
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pid=$!
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nice="$(ps -o nice= -p $pid)"
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incr=3
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_renice -n $incr $pid
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_renice -p -n $incr $pid
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_renice -n $incr -p $pid
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atf_check_equal $((nice+incr+incr+incr)) "$(ps -o nice= -p $pid)"
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kill $pid
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}
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# Set a process group's nice number to an absolute value
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atf_test_case renice_abs_pgid
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renice_abs_pgid_body() {
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local pid pgid nice incr
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# make sure target runs in a different pgrp than ours
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pid=$(sh -mc "sleep 60 >/dev/null & echo \$!")
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pgid="$(ps -o pgid= -p $pid)"
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nice="$(ps -o nice= -p $pid)"
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incr=3
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_renice $((nice+incr)) -g $pgid
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atf_check_equal $((nice+incr)) "$(ps -o nice= -p $pid)"
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kill $pid
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}
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# Change a process group's nice number by a relative value
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atf_test_case renice_rel_pgid
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renice_rel_pgid_body() {
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local pid pgid nice incr
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# make sure target runs in a different pgrp than ours
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pid=$(sh -mc "sleep 60 >/dev/null & echo \$!")
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pgid="$(ps -o pgid= -p $pid)"
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nice="$(ps -o nice= -p $pid)"
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incr=3
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_renice -g -n $incr $pgid
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_renice -n $incr -g $pgid
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atf_check_equal $((nice+incr+incr)) "$(ps -o nice= -p $pid)"
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kill $pid
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}
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# Set a user's processes' nice numbers to an absolute value
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atf_test_case renice_abs_user
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renice_abs_user_head() {
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atf_set "require.user" "root"
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}
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renice_abs_user_body() {
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local user pid nice incr
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pid=$(su -m $TEST_USER -c "sleep 60 >/dev/null & echo \$!")
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nice="$(ps -o nice= -p $pid)"
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incr=3
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_renice $((nice+incr)) -u $TEST_USER
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atf_check_equal $((nice+incr)) "$(ps -o nice= -p $pid)"
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kill $pid
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}
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# Change a user's processes' nice numbers by a relative value
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atf_test_case renice_rel_user
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renice_rel_user_head() {
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atf_set "require.user" "root"
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}
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renice_rel_user_body() {
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local user pid nice incr
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pid=$(su -m $TEST_USER -c "sleep 60 >/dev/null & echo \$!")
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nice="$(ps -o nice= -p $pid)"
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incr=3
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_renice -u -n $incr $TEST_USER
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_renice -n $incr -u $TEST_USER
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atf_check_equal $((nice+incr+incr)) "$(ps -o nice= -p $pid)"
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kill $pid
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}
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# Test various delimiter positions
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atf_test_case renice_delim
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renice_delim_body() {
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local pid nice incr
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sleep 60 &
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pid=$!
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nice="$(ps -o nice= -p $pid)"
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incr=0
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# without -p
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: $((incr=incr+1))
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_renice -- $((nice+incr)) $pid
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atf_check_equal $((nice+incr)) "$(ps -o nice= -p $pid)"
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: $((incr=incr+1))
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_renice $((nice+incr)) -- $pid
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atf_check_equal $((nice+incr)) "$(ps -o nice= -p $pid)"
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: $((incr=incr+1))
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_renice $((nice+incr)) $pid --
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atf_check_equal $((nice+incr)) "$(ps -o nice= -p $pid)"
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# with -p
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: $((incr=incr+1))
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_renice -p -- $((nice+incr)) $pid
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atf_check_equal $((nice+incr)) "$(ps -o nice= -p $pid)"
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: $((incr=incr+1))
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_renice -p $((nice+incr)) -- $pid
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atf_check_equal $((nice+incr)) "$(ps -o nice= -p $pid)"
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: $((incr=incr+1))
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_renice -p $((nice+incr)) $pid --
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atf_check_equal $((nice+incr)) "$(ps -o nice= -p $pid)"
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: $((incr=incr+1))
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_renice $((nice+incr)) -p -- $pid
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atf_check_equal $((nice+incr)) "$(ps -o nice= -p $pid)"
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: $((incr=incr+1))
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_renice $((nice+incr)) -p $pid --
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atf_check_equal $((nice+incr)) "$(ps -o nice= -p $pid)"
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kill $pid
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}
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atf_init_test_cases() {
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atf_add_test_case renice_abs_pid
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atf_add_test_case renice_rel_pid
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atf_add_test_case renice_abs_pgid
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atf_add_test_case renice_rel_pgid
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atf_add_test_case renice_abs_user
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atf_add_test_case renice_rel_user
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atf_add_test_case renice_delim
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}
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