1#!/bin/sh 2# 3# $NetBSD: t_link,v 1.5 2006/11/09 16:20:06 jmmv Exp $ 4# 5# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc. 6# All rights reserved. 7# 8# This code is derived from software contributed to The NetBSD Foundation 9# by Julio M. Merino Vidal, developed as part of Google's Summer of Code 10# 2005 program. 11# 12# Redistribution and use in source and binary forms, with or without 13# modification, are permitted provided that the following conditions 14# are met: 15# 1. Redistributions of source code must retain the above copyright 16# notice, this list of conditions and the following disclaimer. 17# 2. Redistributions in binary form must reproduce the above copyright 18# notice, this list of conditions and the following disclaimer in the 19# documentation and/or other materials provided with the distribution. 20# 3. All advertising materials mentioning features or use of this software 21# must display the following acknowledgement: 22# This product includes software developed by the NetBSD 23# Foundation, Inc. and its contributors. 24# 4. Neither the name of The NetBSD Foundation nor the names of its 25# contributors may be used to endorse or promote products derived 26# from this software without specific prior written permission. 27# 28# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38# POSSIBILITY OF SUCH DAMAGE. 39# 40# $FreeBSD$ 41# 42 43# 44# Verifies that the link operation works. 45# 46 47test_run() { 48 test_mount 49 50 test_name "Link operation works" 51 touch a || die 52 touch z || die 53 eval $(stat -s a | sed -e 's|st_|sta_|g') 54 eval $(stat -s z | sed -e 's|st_|stz_|g') 55 test ${sta_ino} != ${stz_ino} || die 56 test ${sta_nlink} -eq 1 || die 57 ln a b || die 58 test_name "Link count is correct after links are created" 59 eval $(stat -s a | sed -e 's|st_|sta_|g') 60 eval $(stat -s b | sed -e 's|st_|stb_|g') 61 test ${sta_ino} = ${stb_ino} || die 62 test ${sta_nlink} -eq 2 || die 63 test ${stb_nlink} -eq 2 || die 64 test_name "Link count is correct after links are deleted" 65 rm a || die 66 eval $(stat -s b | sed -e 's|st_|stb_|g') 67 test ${stb_nlink} -eq 1 || die 68 rm b || die 69 70 test_name "Link operation works in subdirectories" 71 touch a || die 72 mkdir c || die 73 ln a c/b || die 74 test_name "Link count is correct after links are created" 75 eval $(stat -s a | sed -e 's|st_|sta_|g') 76 eval $(stat -s c/b | sed -e 's|st_|stb_|g') 77 test ${sta_ino} = ${stb_ino} || die 78 test ${sta_nlink} -eq 2 || die 79 test ${stb_nlink} -eq 2 || die 80 test_name "Link count is correct after links are deleted" 81 rm a || die 82 eval $(stat -s c/b | sed -e 's|st_|stb_|g') 83 test ${stb_nlink} -eq 1 || die 84 rm c/b || die 85 rmdir c || die 86 87 mkdir dir || die 88 touch dir/a || die 89 echo 'ln dir/a dir/b' | kqueue_monitor 2 dir dir/a || die 90 test_name "Creating a link raises NOTE_LINK on the source file" 91 kqueue_check dir/a NOTE_LINK || die 92 test_name "Creating a link raises NOTE_WRITE on the parent directory" 93 kqueue_check dir NOTE_WRITE || die 94 95 echo 'rm dir/a' | kqueue_monitor 2 dir dir/b || die 96 # XXX According to the (short) kqueue(2) documentation, the following 97 # should raise a NOTE_LINK but FFS raises a NOTE_DELETE... 98 test_name "Deleting a link raises NOTE_DELETE on one other link" 99 kqueue_check dir/b NOTE_DELETE || die 100 test_name "Deleting a link raises NOTE_WRITE on the parent directory" 101 kqueue_check dir NOTE_WRITE || die 102 rm dir/b || die 103 rmdir dir || die 104 105 test_unmount 106} 107 108. ${SUBRDIR}/h_funcs.subr 109