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# 21# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31# POSSIBILITY OF SUCH DAMAGE. 32# 33# $FreeBSD$ 34# 35 36# 37# Verifies that the link operation works. 38# 39 40test_run() { 41 test_mount 42 43 test_name "Link operation works" 44 touch a || die 45 touch z || die 46 eval $(stat -s a | sed -e 's|st_|sta_|g') 47 eval $(stat -s z | sed -e 's|st_|stz_|g') 48 test ${sta_ino} != ${stz_ino} || die 49 test ${sta_nlink} -eq 1 || die 50 ln a b || die 51 test_name "Link count is correct after links are created" 52 eval $(stat -s a | sed -e 's|st_|sta_|g') 53 eval $(stat -s b | sed -e 's|st_|stb_|g') 54 test ${sta_ino} = ${stb_ino} || die 55 test ${sta_nlink} -eq 2 || die 56 test ${stb_nlink} -eq 2 || die 57 test_name "Link count is correct after links are deleted" 58 rm a || die 59 eval $(stat -s b | sed -e 's|st_|stb_|g') 60 test ${stb_nlink} -eq 1 || die 61 rm b || die 62 63 test_name "Link operation works in subdirectories" 64 touch a || die 65 mkdir c || die 66 ln a c/b || die 67 test_name "Link count is correct after links are created" 68 eval $(stat -s a | sed -e 's|st_|sta_|g') 69 eval $(stat -s c/b | sed -e 's|st_|stb_|g') 70 test ${sta_ino} = ${stb_ino} || die 71 test ${sta_nlink} -eq 2 || die 72 test ${stb_nlink} -eq 2 || die 73 test_name "Link count is correct after links are deleted" 74 rm a || die 75 eval $(stat -s c/b | sed -e 's|st_|stb_|g') 76 test ${stb_nlink} -eq 1 || die 77 rm c/b || die 78 rmdir c || die 79 80 mkdir dir || die 81 touch dir/a || die 82 echo 'ln dir/a dir/b' | kqueue_monitor 2 dir dir/a || die 83 test_name "Creating a link raises NOTE_LINK on the source file" 84 kqueue_check dir/a NOTE_LINK || die 85 test_name "Creating a link raises NOTE_WRITE on the parent directory" 86 kqueue_check dir NOTE_WRITE || die 87 88 echo 'rm dir/a' | kqueue_monitor 2 dir dir/b || die 89 # XXX According to the (short) kqueue(2) documentation, the following 90 # should raise a NOTE_LINK but FFS raises a NOTE_DELETE... 91 test_name "Deleting a link raises NOTE_DELETE on one other link" 92 kqueue_check dir/b NOTE_DELETE || die 93 test_name "Deleting a link raises NOTE_WRITE on the parent directory" 94 kqueue_check dir NOTE_WRITE || die 95 rm dir/b || die 96 rmdir dir || die 97 98 test_unmount 99} 100 101. ${SUBRDIR}/h_funcs.subr 102