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# 34 35# 36# Verifies that the link operation works. 37# 38 39test_run() { 40 test_mount 41 42 test_name "Link operation works" 43 touch a || die 44 touch z || die 45 eval $(stat -s a | sed -e 's|st_|sta_|g') 46 eval $(stat -s z | sed -e 's|st_|stz_|g') 47 test ${sta_ino} != ${stz_ino} || die 48 test ${sta_nlink} -eq 1 || die 49 ln a b || die 50 test_name "Link count is correct after links are created" 51 eval $(stat -s a | sed -e 's|st_|sta_|g') 52 eval $(stat -s b | sed -e 's|st_|stb_|g') 53 test ${sta_ino} = ${stb_ino} || die 54 test ${sta_nlink} -eq 2 || die 55 test ${stb_nlink} -eq 2 || die 56 test_name "Link count is correct after links are deleted" 57 rm a || die 58 eval $(stat -s b | sed -e 's|st_|stb_|g') 59 test ${stb_nlink} -eq 1 || die 60 rm b || die 61 62 test_name "Link operation works in subdirectories" 63 touch a || die 64 mkdir c || die 65 ln a c/b || die 66 test_name "Link count is correct after links are created" 67 eval $(stat -s a | sed -e 's|st_|sta_|g') 68 eval $(stat -s c/b | sed -e 's|st_|stb_|g') 69 test ${sta_ino} = ${stb_ino} || die 70 test ${sta_nlink} -eq 2 || die 71 test ${stb_nlink} -eq 2 || die 72 test_name "Link count is correct after links are deleted" 73 rm a || die 74 eval $(stat -s c/b | sed -e 's|st_|stb_|g') 75 test ${stb_nlink} -eq 1 || die 76 rm c/b || die 77 rmdir c || die 78 79 mkdir dir || die 80 touch dir/a || die 81 echo 'ln dir/a dir/b' | kqueue_monitor 2 dir dir/a || die 82 test_name "Creating a link raises NOTE_LINK on the source file" 83 kqueue_check dir/a NOTE_LINK || die 84 test_name "Creating a link raises NOTE_WRITE on the parent directory" 85 kqueue_check dir NOTE_WRITE || die 86 87 echo 'rm dir/a' | kqueue_monitor 2 dir dir/b || die 88 # XXX According to the (short) kqueue(2) documentation, the following 89 # should raise a NOTE_LINK but FFS raises a NOTE_DELETE... 90 test_name "Deleting a link raises NOTE_DELETE on one other link" 91 kqueue_check dir/b NOTE_DELETE || die 92 test_name "Deleting a link raises NOTE_WRITE on the parent directory" 93 kqueue_check dir NOTE_WRITE || die 94 rm dir/b || die 95 rmdir dir || die 96 97 test_unmount 98} 99 100. ${SUBRDIR}/h_funcs.subr 101