# $NetBSD: t_rename.sh,v 1.6 2024/04/28 07:27:41 rillig Exp $
#
# Copyright (c) 2005, 2006, 2007, 2008 The NetBSD Foundation, Inc.
# All rights reserved.
#
# 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.
#
# 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.
#

#
# Verifies that the rename operation works (either by renaming entries or
# by moving them).
#

atf_test_case dots
dots_head() {
       atf_set "descr" "Tests that '.' and '..' cannot be renamed"
       atf_set "require.user" "root"
}
dots_body() {
       test_mount

       atf_check -s exit:0 -o empty -e empty mkdir a
       atf_check -s exit:1 -o empty -e ignore mv a/. c
       atf_check -s exit:1 -o empty -e ignore mv a/.. c
       atf_check -s exit:0 -o empty -e empty rmdir a

       test_unmount
}

atf_test_case crossdev
crossdev_head() {
       atf_set "descr" "Tests that cross-device renames do not work"
       atf_set "require.user" "root"
}
crossdev_body() {
       test_mount

       atf_check -s exit:0 -o empty -e empty mkdir a
       atf_check -s exit:1 -o empty -e save:stderr \
           $(atf_get_srcdir)/h_tools rename a /var/tmp/a
       atf_check -s exit:0 -o ignore -e empty grep "Cross-device link" stderr
       atf_check -s exit:0 -o empty -e empty test -d a
       atf_check -s exit:0 -o empty -e empty rmdir a

       test_unmount
}

atf_test_case basic
basic_head() {
       atf_set "descr" "Tests that basic renames work"
       atf_set "require.user" "root"
}
basic_body() {
       test_mount

       atf_check -s exit:0 -o empty -e empty mkdir a
       atf_check -s exit:0 -o empty -e empty mv a c
       atf_check -s exit:1 -o empty -e empty test -d a
       atf_check -s exit:0 -o empty -e empty test -d c
       atf_check -s exit:0 -o empty -e empty rmdir c

       test_unmount
}

atf_test_case dotdot
dotdot_head() {
       atf_set "descr" "Tests that the '..' entry is properly updated" \
                       "during moves"
       atf_set "require.user" "root"
}
dotdot_body() {
       test_mount

       echo "Checking if the '..' entry is updated after moves"
       atf_check -s exit:0 -o empty -e empty mkdir a
       atf_check -s exit:0 -o empty -e empty mkdir b
       atf_check -s exit:0 -o empty -e empty mv b a
       atf_check -s exit:0 -o empty -e empty test -d a/b/../b
       atf_check -s exit:0 -o empty -e empty test -d a/b/../../a
       eval $(stat -s a/b)
       [ ${st_nlink} = 2 ] || atf_fail "Incorrect number of links"
       eval $(stat -s a)
       [ ${st_nlink} = 3 ] || atf_fail "Incorrect number of links"
       atf_check -s exit:0 -o empty -e empty rmdir a/b
       atf_check -s exit:0 -o empty -e empty rmdir a

       echo "Checking if the '..' entry is correct after renames"
       atf_check -s exit:0 -o empty -e empty mkdir a
       atf_check -s exit:0 -o empty -e empty mkdir b
       atf_check -s exit:0 -o empty -e empty mv b a
       atf_check -s exit:0 -o empty -e empty mv a c
       atf_check -s exit:0 -o empty -e empty test -d c/b/../b
       atf_check -s exit:0 -o empty -e empty test -d c/b/../../c
       atf_check -s exit:0 -o empty -e empty rmdir c/b
       atf_check -s exit:0 -o empty -e empty rmdir c

       echo "Checking if the '..' entry is correct after multiple moves"
       atf_check -s exit:0 -o empty -e empty mkdir a
       atf_check -s exit:0 -o empty -e empty mkdir b
       atf_check -s exit:0 -o empty -e empty mv b a
       atf_check -s exit:0 -o empty -e empty mv a c
       atf_check -s exit:0 -o empty -e empty mv c/b d
       atf_check -s exit:0 -o empty -e empty test -d d/../c
       atf_check -s exit:0 -o empty -e empty rmdir d
       atf_check -s exit:0 -o empty -e empty rmdir c

       test_unmount
}

atf_test_case dir_to_emptydir
dir_to_emptydir_head() {
       atf_set "descr" "Tests that renaming a directory to override an" \
                       "empty directory works"
       atf_set "require.user" "root"
}
dir_to_emptydir_body() {
       test_mount

       atf_check -s exit:0 -o empty -e empty mkdir a
       atf_check -s exit:0 -o empty -e empty touch a/c
       atf_check -s exit:0 -o empty -e empty mkdir b
       atf_check -s exit:0 -o empty -e empty \
           $(atf_get_srcdir)/h_tools rename a b
       atf_check -s exit:1 -o empty -e empty test -e a
       atf_check -s exit:0 -o empty -e empty test -d b
       atf_check -s exit:0 -o empty -e empty test -f b/c
       rm b/c
       rmdir b

       test_unmount
}

atf_test_case dir_to_fulldir
dir_to_fulldir_head() {
       atf_set "descr" "Tests that renaming a directory to override a" \
                       "non-empty directory fails"
       atf_set "require.user" "root"
}
dir_to_fulldir_body() {
       test_mount

       atf_check -s exit:0 -o empty -e empty mkdir a
       atf_check -s exit:0 -o empty -e empty touch a/c
       atf_check -s exit:0 -o empty -e empty mkdir b
       atf_check -s exit:0 -o empty -e empty touch b/d
       atf_check -s exit:1 -o empty -e save:stderr \
           $(atf_get_srcdir)/h_tools rename a b
       atf_check -s exit:0 -o ignore -e empty grep "Directory not empty" stderr
       atf_check -s exit:0 -o empty -e empty test -d a
       atf_check -s exit:0 -o empty -e empty test -f a/c
       atf_check -s exit:0 -o empty -e empty test -d b
       atf_check -s exit:0 -o empty -e empty test -f b/d
       rm a/c
       rm b/d
       rmdir a
       rmdir b

       test_unmount
}

atf_test_case dir_to_file
dir_to_file_head() {
       atf_set "descr" "Tests that renaming a directory to override a" \
                       "file fails"
       atf_set "require.user" "root"
}
dir_to_file_body() {
       test_mount

       atf_check -s exit:0 -o empty -e empty mkdir a
       atf_check -s exit:0 -o empty -e empty touch b
       atf_check -s exit:1 -o empty -e save:stderr \
           $(atf_get_srcdir)/h_tools rename a b
       atf_check -s exit:0 -o ignore -e empty grep "Not a directory" stderr
       atf_check -s exit:0 -o empty -e empty test -d a
       atf_check -s exit:0 -o empty -e empty test -f b
       rmdir a
       rm b

       test_unmount
}

atf_test_case file_to_dir
file_to_dir_head() {
       atf_set "descr" "Tests that renaming a file to override a" \
                       "directory fails"
       atf_set "require.user" "root"
}
file_to_dir_body() {
       test_mount

       atf_check -s exit:0 -o empty -e empty touch a
       atf_check -s exit:0 -o empty -e empty mkdir b
       atf_check -s exit:1 -o empty -e save:stderr \
           $(atf_get_srcdir)/h_tools rename a b
       atf_check -s exit:0 -o ignore -e empty grep "Is a directory" stderr
       atf_check -s exit:0 -o empty -e empty test -f a
       atf_check -s exit:0 -o empty -e empty test -d b
       rm a
       rmdir b

       test_unmount
}

atf_test_case kqueue
kqueue_head() {
       atf_set "descr" "Tests that moving and renaming files raise the" \
                       "correct kqueue events"
       atf_set "require.user" "root"
}
kqueue_body() {
       test_mount

       atf_check -s exit:0 -o empty -e empty mkdir dir
       atf_check -s exit:0 -o empty -e empty touch dir/a
       echo 'mv dir/a dir/b' | kqueue_monitor 2 dir dir/a
       kqueue_check dir/a NOTE_RENAME
       kqueue_check dir NOTE_WRITE
       atf_check -s exit:0 -o empty -e empty rm dir/b
       atf_check -s exit:0 -o empty -e empty rmdir dir

       atf_check -s exit:0 -o empty -e empty mkdir dir
       atf_check -s exit:0 -o empty -e empty touch dir/a
       atf_check -s exit:0 -o empty -e empty touch dir/b
       echo 'mv dir/a dir/b' | kqueue_monitor 3 dir dir/a dir/b
       kqueue_check dir/a NOTE_RENAME
       kqueue_check dir NOTE_WRITE
       kqueue_check dir/b NOTE_DELETE
       atf_check -s exit:0 -o empty -e empty rm dir/b
       atf_check -s exit:0 -o empty -e empty rmdir dir

       atf_check -s exit:0 -o empty -e empty mkdir dir1
       atf_check -s exit:0 -o empty -e empty mkdir dir2
       atf_check -s exit:0 -o empty -e empty touch dir1/a
       echo 'mv dir1/a dir2/a' | kqueue_monitor 3 dir1 dir1/a dir2
       kqueue_check dir1/a NOTE_RENAME
       kqueue_check dir1 NOTE_WRITE
       kqueue_check dir2 NOTE_WRITE
       atf_check -s exit:0 -o empty -e empty rm dir2/a
       atf_check -s exit:0 -o empty -e empty rmdir dir1
       atf_check -s exit:0 -o empty -e empty rmdir dir2

       test_unmount
}

atf_init_test_cases() {
       . $(atf_get_srcdir)/../h_funcs.subr
       . $(atf_get_srcdir)/h_funcs.subr

       atf_add_test_case dots
       atf_add_test_case crossdev
       atf_add_test_case basic
       atf_add_test_case dotdot
       atf_add_test_case dir_to_emptydir
       atf_add_test_case dir_to_fulldir
       atf_add_test_case dir_to_file
       atf_add_test_case file_to_dir
       atf_add_test_case kqueue
}

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