#!/bin/sh
#
# $NetBSD: t_rename,v 1.7 2007/07/23 15:05:43 jmmv Exp $
#
# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
# All rights reserved.
#
# This code is derived from software contributed to The NetBSD Foundation
# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
# 2005 program.
#
# 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).
#

test_run() {
	test_mount

	test_name "'.' and '..' entries cannot be renamed"
	mkdir a || die
	mv a/. c 2>/dev/null && die
	mv a/.. c 2>/dev/null && die
	rmdir a || die

	test_name "Cross device renames do not work"
	mkdir a || die
	${Src_Dir}/h_tools rename a /var/tmp/a >/dev/null 2>&1 && die
	rmdir a || die

	test_name "Directories can be renamed"
	mkdir a || die
	mv a c || die
	test -d a && die
	test -d c || die
	rmdir c || die

	test_name "The '..' entry is updated after moves"
	mkdir a || die
	mkdir b || die
	mv b a || die
	test -d a/b/../b || die
	test -d a/b/../../a || die
	eval $(stat -s a/b)
	[ ${st_nlink} = 2 ] || die
	eval $(stat -s a)
	[ ${st_nlink} = 3 ] || die
	rmdir a/b || die
	rmdir a || die

	test_name "The '..' entry is correct after renames"
	mkdir a || die
	mkdir b || die
	mv b a || die
	mv a c || die
	test -d c/b/../b || die
	test -d c/b/../../c || die
	rmdir c/b || die
	rmdir c || die

	test_name "The '..' entry is correct after multiple moves"
	mkdir a || die
	mkdir b || die
	mv b a || die
	mv a c || die
	mv c/b d || die
	test -d d/../c || die
	rmdir d || die
	rmdir c || die

	test_name "Rename works if the target file exists"
	touch a || die
	touch b || die
	mv a b || die
	test -f a && die
	test -f b || die
	rm b

	test_name "Rename a directory to a override an empty directory works"
	mkdir a || die
	touch a/c || die
	mkdir b || die
	${Src_Dir}/h_tools rename a b >/dev/null 2>&1 || die
	test -e a && die
	test -d b || die
	test -f b/c || die
	rm b/c
	rmdir b

	test_name "Rename a directory to a override a non-empty directory fails"
	mkdir a || die
	touch a/c || die
	mkdir b || die
	touch b/d || die
	err=$(${Src_Dir}/h_tools rename a b 2>&1) && die
	echo ${err} | grep 'Directory not empty' >/dev/null || die
	test -d a || die
	test -f a/c || die
	test -d b || die
	test -f b/d || die
	rm a/c
	rm b/d
	rmdir a
	rmdir b

	test_name "Rename a directory to a override a file fails"
	mkdir a || die
	touch b || die
	err=$(${Src_Dir}/h_tools rename a b 2>&1) && die
	echo ${err} | grep 'Not a directory' >/dev/null || die
	test -d a || die
	test -f b || die
	rmdir a
	rm b

	test_name "Rename a file to a override a directory fails"
	touch a || die
	mkdir b || die
	err=$(${Src_Dir}/h_tools rename a b 2>&1) && die
	echo ${err} | grep 'Is a directory' >/dev/null || die
	test -f a || die
	test -d b || die
	rm a
	rmdir b

	mkdir dir || die
	touch dir/a
	echo 'mv dir/a dir/b' | kqueue_monitor 2 dir dir/a || die
	test_name "Renaming a file raises NOTE_RENAME on the old file"
	kqueue_check dir/a NOTE_RENAME || die
	test_name "Renaming a file raises NOTE_WRITE on the parent directory"
	kqueue_check dir NOTE_WRITE || die
	rm dir/b || die
	rmdir dir || die

	mkdir dir || die
	touch dir/a
	touch dir/b
	echo 'mv dir/a dir/b' | kqueue_monitor 3 dir dir/a dir/b || die
	test_name "Renaming a file raises NOTE_RENAME on the old file"
	kqueue_check dir/a NOTE_RENAME || die
	test_name "Renaming a file raises NOTE_WRITE on the parent directory"
	kqueue_check dir NOTE_WRITE || die
	test_name "Renaming a file raises NOTE_DELETE on the target file"
	kqueue_check dir/b NOTE_DELETE || die
	rm dir/b || die
	rmdir dir || die

	mkdir dir1 || die
	mkdir dir2 || die
	touch dir1/a
	echo 'mv dir1/a dir2/a' | kqueue_monitor 3 dir1 dir1/a dir2 || die
	test_name "Moving a file raises NOTE_RENAME on the old file"
	kqueue_check dir1/a NOTE_RENAME || die
	test_name "Moving a file raises NOTE_WRITE on the source directory"
	kqueue_check dir1 NOTE_WRITE || die
	test_name "Moving a file raises NOTE_WRITE on the target directory"
	kqueue_check dir2 NOTE_WRITE || die
	rm dir2/a || die
	rmdir dir1 || die
	rmdir dir2 || die

	test_unmount
}

. ${SUBRDIR}/h_funcs.subr