xref: /freebsd/tools/regression/tmpfs/t_rmdir (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf)
1f8c94cecSXin LI#!/bin/sh
2f8c94cecSXin LI#
3f8c94cecSXin LI# $NetBSD: t_rmdir,v 1.6 2006/11/09 16:20:06 jmmv Exp $
4f8c94cecSXin LI#
5f8c94cecSXin LI# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
6f8c94cecSXin LI# All rights reserved.
7f8c94cecSXin LI#
8f8c94cecSXin LI# This code is derived from software contributed to The NetBSD Foundation
9f8c94cecSXin LI# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
10f8c94cecSXin LI# 2005 program.
11f8c94cecSXin LI#
12f8c94cecSXin LI# Redistribution and use in source and binary forms, with or without
13f8c94cecSXin LI# modification, are permitted provided that the following conditions
14f8c94cecSXin LI# are met:
15f8c94cecSXin LI# 1. Redistributions of source code must retain the above copyright
16f8c94cecSXin LI#    notice, this list of conditions and the following disclaimer.
17f8c94cecSXin LI# 2. Redistributions in binary form must reproduce the above copyright
18f8c94cecSXin LI#    notice, this list of conditions and the following disclaimer in the
19f8c94cecSXin LI#    documentation and/or other materials provided with the distribution.
20f8c94cecSXin LI#
21f8c94cecSXin LI# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22f8c94cecSXin LI# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23f8c94cecSXin LI# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24f8c94cecSXin LI# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25f8c94cecSXin LI# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26f8c94cecSXin LI# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27f8c94cecSXin LI# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28f8c94cecSXin LI# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29f8c94cecSXin LI# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30f8c94cecSXin LI# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31f8c94cecSXin LI# POSSIBILITY OF SUCH DAMAGE.
32f8c94cecSXin LI#
33f8c94cecSXin LI#
34f8c94cecSXin LI
35f8c94cecSXin LI#
36f8c94cecSXin LI# Verifies that rmdir works by creating and removing directories.  Also
37f8c94cecSXin LI# checks multiple error conditions.
38f8c94cecSXin LI#
39f8c94cecSXin LI
40f8c94cecSXin LItest_run() {
41f8c94cecSXin LI	test_mount
42f8c94cecSXin LI
43f8c94cecSXin LI	test_name "The mount point cannot be removed"
44f8c94cecSXin LI	rmdir 2>/dev/null && die
45f8c94cecSXin LI
46f8c94cecSXin LI	test_name "Non-existing directories cannot be removed"
47f8c94cecSXin LI	rmdir non-existent 2>/dev/null && die
48f8c94cecSXin LI
49f8c94cecSXin LI	test_name "Removal of a single directory works"
50f8c94cecSXin LI	mkdir a || die
51f8c94cecSXin LI	eval $(stat -s ${Work_Dir})
52f8c94cecSXin LI	[ ${st_nlink} = 3 ] || die
53f8c94cecSXin LI	rmdir a || die
54f8c94cecSXin LI	eval $(stat -s ${Work_Dir})
55f8c94cecSXin LI	[ ${st_nlink} = 2 ] || die
56f8c94cecSXin LI
57f8c94cecSXin LI	test_name "Removal of nested directories works"
58f8c94cecSXin LI	mkdir -p a/b/c || die
59f8c94cecSXin LI	rmdir a/b/c || die
60f8c94cecSXin LI	rmdir a/b || die
61f8c94cecSXin LI	rmdir a || die
62f8c94cecSXin LI
63f8c94cecSXin LI	test_name "'.' and '..' directories cannot be removed"
64f8c94cecSXin LI	mkdir a || die
65f8c94cecSXin LI	rmdir a/. 2>/dev/null && die
66f8c94cecSXin LI	rmdir a/.. 2>/dev/null && die
67f8c94cecSXin LI	rmdir a || die
68f8c94cecSXin LI
69f8c94cecSXin LI	test_name "Non-empty directories cannot be removed"
70f8c94cecSXin LI	mkdir a || die
71f8c94cecSXin LI	mkdir a/b || die
72f8c94cecSXin LI	mkdir a/c || die
73f8c94cecSXin LI	rmdir a 2>/dev/null && die
74f8c94cecSXin LI	rmdir a/b || die
75f8c94cecSXin LI	rmdir a/c || die
76f8c94cecSXin LI	rmdir a || die
77f8c94cecSXin LI
78f8c94cecSXin LI	test_name "Root directory has two links after all removes"
79f8c94cecSXin LI	eval $(stat -s ${Work_Dir})
80f8c94cecSXin LI	[ ${st_nlink} = 2 ] || die
81f8c94cecSXin LI
82f8c94cecSXin LI	test_name "Removal of current directory"
83f8c94cecSXin LI	mkdir a || die
84f8c94cecSXin LI	# Catch a bug that would panic the system when accessing the
85f8c94cecSXin LI	# current directory after being deleted: vop_open cannot assume
86f8c94cecSXin LI	# that open files are still linked to a directory.
87f8c94cecSXin LI	( cd a && rmdir ../a && ls >/dev/null 2>&1 ) && die
88f8c94cecSXin LI	test -e a && die
89f8c94cecSXin LI
90f8c94cecSXin LI	mkdir dir || die
91f8c94cecSXin LI	mkdir dir/a || die
92f8c94cecSXin LI	echo 'rmdir dir/a' | kqueue_monitor 3 dir dir/a || die
93f8c94cecSXin LI	test_name "Deleting a directory raises NOTE_DELETE on it"
94f8c94cecSXin LI	kqueue_check dir/a NOTE_DELETE || die
95f8c94cecSXin LI	test_name "Deleting a directory raises NOTE_LINK on the parent" \
96f8c94cecSXin LI	    "directory"
97f8c94cecSXin LI	kqueue_check dir NOTE_LINK || die
98f8c94cecSXin LI	test_name "Deleting a directory raises NOTE_WRITE on the parent" \
99f8c94cecSXin LI	    "directory"
100f8c94cecSXin LI	kqueue_check dir NOTE_WRITE || die
101f8c94cecSXin LI	rmdir dir || die
102f8c94cecSXin LI
103f8c94cecSXin LI	test_unmount
104f8c94cecSXin LI}
105f8c94cecSXin LI
106f8c94cecSXin LI. ${SUBRDIR}/h_funcs.subr
107