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# $NetBSD: t_link.sh,v 1.5 2010/11/07 17:51:18 jmmv 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 eq:0 -o empty -e empty touch a
atf_check -s eq: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 eq: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 eq: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 eq: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 eq:0 -o empty -e empty touch a
atf_check -s eq:0 -o empty -e empty mkdir c
atf_check -s eq: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 eq: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 eq:0 -o empty -e empty rm c/b
atf_check -s eq: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
atf_check -s eq:0 -o empty -e empty mkdir dir
atf_check -s eq:0 -o empty -e empty touch dir/a
echo 'ln dir/a dir/b' | kqueue_monitor 2 dir dir/a
kqueue_check dir/a NOTE_LINK
kqueue_check dir NOTE_WRITE
echo 'rm dir/a' | kqueue_monitor 2 dir dir/b
# XXX According to the (short) kqueue(2) documentation, the following
# should raise a NOTE_LINK but FFS raises a NOTE_DELETE...
kqueue_check dir/b NOTE_LINK
kqueue_check dir NOTE_WRITE
atf_check -s eq:0 -o empty -e empty rm dir/b
atf_check -s eq:0 -o empty -e empty rmdir dir
test_unmount
}
atf_init_test_cases() {
. $(atf_get_srcdir)/../h_funcs.subr
. $(atf_get_srcdir)/h_funcs.subr
atf_add_test_case basic
atf_add_test_case subdirs
atf_add_test_case kqueue
}
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