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#!/bin/sh
#
# $NetBSD: t_link,v 1.5 2006/11/09 16:20:06 jmmv Exp $
#
# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
# All rights reserved.
#
# This code is derived from software contributed to The NetBSD Foundation
# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
# 2005 program.
#
# 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.
# 3. All advertising materials mentioning features or use of this software
# must display the following acknowledgement:
# This product includes software developed by the NetBSD
# Foundation, Inc. and its contributors.
# 4. Neither the name of The NetBSD Foundation nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# 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.
#
# $FreeBSD$
#
#
# Verifies that the link operation works.
#
test_run() {
test_mount
test_name "Link operation works"
touch a || die
touch z || die
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} || die
test ${sta_nlink} -eq 1 || die
ln a b || die
test_name "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} || die
test ${sta_nlink} -eq 2 || die
test ${stb_nlink} -eq 2 || die
test_name "Link count is correct after links are deleted"
rm a || die
eval $(stat -s b | sed -e 's|st_|stb_|g')
test ${stb_nlink} -eq 1 || die
rm b || die
test_name "Link operation works in subdirectories"
touch a || die
mkdir c || die
ln a c/b || die
test_name "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} || die
test ${sta_nlink} -eq 2 || die
test ${stb_nlink} -eq 2 || die
test_name "Link count is correct after links are deleted"
rm a || die
eval $(stat -s c/b | sed -e 's|st_|stb_|g')
test ${stb_nlink} -eq 1 || die
rm c/b || die
rmdir c || die
mkdir dir || die
touch dir/a || die
echo 'ln dir/a dir/b' | kqueue_monitor 2 dir dir/a || die
test_name "Creating a link raises NOTE_LINK on the source file"
kqueue_check dir/a NOTE_LINK || die
test_name "Creating a link raises NOTE_WRITE on the parent directory"
kqueue_check dir NOTE_WRITE || die
echo 'rm dir/a' | kqueue_monitor 2 dir dir/b || die
# XXX According to the (short) kqueue(2) documentation, the following
# should raise a NOTE_LINK but FFS raises a NOTE_DELETE...
test_name "Deleting a link raises NOTE_DELETE on one other link"
kqueue_check dir/b NOTE_DELETE || die
test_name "Deleting a link raises NOTE_WRITE on the parent directory"
kqueue_check dir NOTE_WRITE || die
rm dir/b || die
rmdir dir || die
test_unmount
}
. ${SUBRDIR}/h_funcs.subr
|
