1# $NetBSD: t_link.sh,v 1.1 2007/11/12 15:18:23 jmmv Exp $ 2# 3# Copyright (c) 2005, 2006, 2007 The NetBSD Foundation, Inc. 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# 2. Redistributions in binary form must reproduce the above copyright 12# notice, this list of conditions and the following disclaimer in the 13# documentation and/or other materials provided with the distribution. 14# 3. All advertising materials mentioning features or use of this software 15# must display the following acknowledgement: 16# This product includes software developed by the NetBSD 17# Foundation, Inc. and its contributors. 18# 4. Neither the name of The NetBSD Foundation nor the names of its 19# contributors may be used to endorse or promote products derived 20# from this software without specific prior written permission. 21# 22# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32# POSSIBILITY OF SUCH DAMAGE. 33# 34 35# 36# Verifies that the link operation works. 37# 38 39atf_test_case basic 40basic_head() { 41 atf_set "descr" "Verifies that the link operation works on files" \ 42 "at the top directory" 43 atf_set "require.user" "root" 44} 45basic_body() { 46 test_mount 47 48 atf_check 'touch a' 0 null null 49 atf_check 'touch z' 0 null null 50 eval $(stat -s a | sed -e 's|st_|sta_|g') 51 eval $(stat -s z | sed -e 's|st_|stz_|g') 52 test ${sta_ino} != ${stz_ino} || \ 53 atf_fail "Node numbers are not different" 54 test ${sta_nlink} -eq 1 || atf_fail "Number of links is incorrect" 55 atf_check 'ln a b' 0 null null 56 57 echo "Checking if link count is correct after links are created" 58 eval $(stat -s a | sed -e 's|st_|sta_|g') 59 eval $(stat -s b | sed -e 's|st_|stb_|g') 60 test ${sta_ino} = ${stb_ino} || atf_fail "Node number changed" 61 test ${sta_nlink} -eq 2 || atf_fail "Link count is incorrect" 62 test ${stb_nlink} -eq 2 || atf_fail "Link count is incorrect" 63 64 echo "Checking if link count is correct after links are deleted" 65 atf_check 'rm a' 0 null null 66 eval $(stat -s b | sed -e 's|st_|stb_|g') 67 test ${stb_nlink} -eq 1 || atf_fail "Link count is incorrect" 68 atf_check 'rm b' 0 null null 69 70 test_unmount 71} 72 73atf_test_case subdirs 74subdirs_head() { 75 atf_set "descr" "Verifies that the link operation works if used" \ 76 "in subdirectories" 77 atf_set "require.user" "root" 78} 79subdirs_body() { 80 test_mount 81 82 atf_check 'touch a' 0 null null 83 atf_check 'mkdir c' 0 null null 84 atf_check 'ln a c/b' 0 null null 85 86 echo "Checking if link count is correct after links are created" 87 eval $(stat -s a | sed -e 's|st_|sta_|g') 88 eval $(stat -s c/b | sed -e 's|st_|stb_|g') 89 test ${sta_ino} = ${stb_ino} || atf_fail "Node number changed" 90 test ${sta_nlink} -eq 2 || atf_fail "Link count is incorrect" 91 test ${stb_nlink} -eq 2 || atf_fail "Link count is incorrect" 92 93 echo "Checking if link count is correct after links are deleted" 94 atf_check 'rm a' 0 null null 95 eval $(stat -s c/b | sed -e 's|st_|stb_|g') 96 test ${stb_nlink} -eq 1 || atf_fail "Link count is incorrect" 97 atf_check 'rm c/b' 0 null null 98 atf_check 'rmdir c' 0 null null 99 100 test_unmount 101} 102 103atf_test_case kqueue 104kqueue_head() { 105 atf_set "descr" "Verifies that creating a link raises the correct" \ 106 "kqueue events" 107 atf_set "require.user" "root" 108} 109kqueue_body() { 110 test_mount 111 112 atf_check 'mkdir dir' 0 null null 113 atf_check 'touch dir/a' 0 null null 114 echo 'ln dir/a dir/b' | kqueue_monitor 2 dir dir/a 115 kqueue_check dir/a NOTE_LINK 116 kqueue_check dir NOTE_WRITE 117 118 echo 'rm dir/a' | kqueue_monitor 2 dir dir/b 119 # XXX According to the (short) kqueue(2) documentation, the following 120 # should raise a NOTE_LINK but FFS raises a NOTE_DELETE... 121 kqueue_check dir/b NOTE_LINK 122 kqueue_check dir NOTE_WRITE 123 atf_check 'rm dir/b' 0 null null 124 atf_check 'rmdir dir' 0 null null 125 126 test_unmount 127} 128 129atf_init_test_cases() { 130 . $(atf_get_srcdir)/../h_funcs.subr 131 . $(atf_get_srcdir)/h_funcs.subr 132 133 atf_add_test_case basic 134 atf_add_test_case subdirs 135 atf_add_test_case kqueue 136} 137