# $NetBSD: t_link.sh,v 1.7 2024/04/28 07:27:41 rillig Exp $
#
# Copyright (c) 2005, 2006, 2007, 2008 The NetBSD Foundation, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
#
# Verifies that the link operation works.
#
atf_test_case basic
basic_head() {
atf_set "descr" "Verifies that the link operation works on files" \
"at the top directory"
atf_set "require.user" "root"
}
basic_body() {
test_mount
atf_check -s exit:0 -o empty -e empty touch a
atf_check -s exit:0 -o empty -e empty touch z
eval $(stat -s a | sed -e 's|st_|sta_|g')
eval $(stat -s z | sed -e 's|st_|stz_|g')
test ${sta_ino} != ${stz_ino} || \
atf_fail "Node numbers are not different"
test ${sta_nlink} -eq 1 || atf_fail "Number of links is incorrect"
atf_check -s exit:0 -o empty -e empty ln a b
echo "Checking if link count is correct after links are created"
eval $(stat -s a | sed -e 's|st_|sta_|g')
eval $(stat -s b | sed -e 's|st_|stb_|g')
test ${sta_ino} = ${stb_ino} || atf_fail "Node number changed"
test ${sta_nlink} -eq 2 || atf_fail "Link count is incorrect"
test ${stb_nlink} -eq 2 || atf_fail "Link count is incorrect"
echo "Checking if link count is correct after links are deleted"
atf_check -s exit:0 -o empty -e empty rm a
eval $(stat -s b | sed -e 's|st_|stb_|g')
test ${stb_nlink} -eq 1 || atf_fail "Link count is incorrect"
atf_check -s exit:0 -o empty -e empty rm b
test_unmount
}
atf_test_case subdirs
subdirs_head() {
atf_set "descr" "Verifies that the link operation works if used" \
"in subdirectories"
atf_set "require.user" "root"
}
subdirs_body() {
test_mount
atf_check -s exit:0 -o empty -e empty touch a
atf_check -s exit:0 -o empty -e empty mkdir c
atf_check -s exit:0 -o empty -e empty ln a c/b
echo "Checking if link count is correct after links are created"
eval $(stat -s a | sed -e 's|st_|sta_|g')
eval $(stat -s c/b | sed -e 's|st_|stb_|g')
test ${sta_ino} = ${stb_ino} || atf_fail "Node number changed"
test ${sta_nlink} -eq 2 || atf_fail "Link count is incorrect"
test ${stb_nlink} -eq 2 || atf_fail "Link count is incorrect"
echo "Checking if link count is correct after links are deleted"
atf_check -s exit:0 -o empty -e empty rm a
eval $(stat -s c/b | sed -e 's|st_|stb_|g')
test ${stb_nlink} -eq 1 || atf_fail "Link count is incorrect"
atf_check -s exit:0 -o empty -e empty rm c/b
atf_check -s exit:0 -o empty -e empty rmdir c
test_unmount
}
atf_test_case kqueue
kqueue_head() {
atf_set "descr" "Verifies that creating a link raises the correct" \
"kqueue events"
atf_set "require.user" "root"
}
kqueue_body() {
test_mount
