xref: /netbsd-src/tests/fs/tmpfs/t_rmdir.sh (revision 8b0f9554ff8762542c4defc4f70e1eb76fb508fa)
1# $NetBSD: t_rmdir.sh,v 1.1 2007/11/12 15:18:26 jmmv Exp $
2#
3# Copyright (c) 2005, 2006, 2007 The NetBSD Foundation, Inc.
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14# 3. All advertising materials mentioning features or use of this software
15#    must display the following acknowledgement:
16#        This product includes software developed by the NetBSD
17#        Foundation, Inc. and its contributors.
18# 4. Neither the name of The NetBSD Foundation nor the names of its
19#    contributors may be used to endorse or promote products derived
20#    from this software without specific prior written permission.
21#
22# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
23# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
25# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
26# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32# POSSIBILITY OF SUCH DAMAGE.
33#
34
35#
36# Verifies that rmdir works by creating and removing directories.  Also
37# checks multiple error conditions.
38#
39
40atf_test_case mntpt
41mntpt_head() {
42	atf_set "descr" "Checks that the mount point cannot be removed"
43	atf_set "require.user" "root"
44}
45mntpt_body() {
46	test_mount
47
48	atf_check "rmdir ${Mount_Point}" 1 null ignore
49
50	test_unmount
51}
52
53atf_test_case non_existent
54non_existent_head() {
55	atf_set "descr" "Checks that non-existent directories cannot" \
56	                "be removed"
57	atf_set "require.user" "root"
58}
59non_existent_body() {
60	test_mount
61
62	atf_check 'rmdir non-existent' 1 null ignore
63
64	test_unmount
65}
66
67atf_test_case single
68single_head() {
69	atf_set "descr" "Checks that removing a single directory works"
70	atf_set "require.user" "root"
71}
72single_body() {
73	test_mount
74
75	atf_check 'mkdir a' 0 null null
76	eval $(stat -s ${Mount_Point})
77	[ ${st_nlink} = 3 ] || \
78	    atf_fail "Incorrect number of links after creation"
79	atf_check 'rmdir a' 0 null null
80	eval $(stat -s ${Mount_Point})
81	[ ${st_nlink} = 2 ] || \
82	    atf_fail "Incorrect number of links after removal"
83
84	test_unmount
85}
86
87atf_test_case nested
88nested_head() {
89	atf_set "descr" "Checks that removing nested directories works"
90	atf_set "require.user" "root"
91}
92nested_body() {
93	test_mount
94
95	atf_check 'mkdir -p a/b/c' 0 null null
96	atf_check 'rmdir a/b/c' 0 null null
97	atf_check 'rmdir a/b' 0 null null
98	atf_check 'rmdir a' 0 null null
99
100	test_unmount
101}
102
103atf_test_case dots
104dots_head() {
105	atf_set "descr" "Checks that '.' and '..' cannot be removed"
106	atf_set "require.user" "root"
107}
108dots_body() {
109	test_mount
110
111	atf_check 'mkdir a' 0 null null
112	atf_check 'rmdir a/.' 1 null ignore
113	atf_check 'rmdir a/..' 1 null ignore
114	atf_check 'rmdir a' 0 null null
115
116	test_unmount
117}
118
119atf_test_case non_empty
120non_empty_head() {
121	atf_set "descr" "Checks that non-empty directories cannot be removed"
122	atf_set "require.user" "root"
123}
124non_empty_body() {
125	test_mount
126
127	atf_check 'mkdir a' 0 null null
128	atf_check 'mkdir a/b' 0 null null
129	atf_check 'mkdir a/c' 0 null null
130	atf_check 'rmdir a' 1 null ignore
131	atf_check 'rmdir a/b' 0 null null
132	atf_check 'rmdir a/c' 0 null null
133	atf_check 'rmdir a' 0 null null
134
135	test_unmount
136}
137
138atf_test_case links
139links_head() {
140	atf_set "descr" "Checks the root directory's links after removals"
141	atf_set "require.user" "root"
142}
143links_body() {
144	test_mount
145
146	atf_check 'mkdir a' 0 null null
147	atf_check 'mkdir a/b' 0 null null
148	atf_check 'mkdir c' 0 null null
149
150	atf_check 'rmdir c' 0 null null
151	atf_check 'rmdir a/b' 0 null null
152	atf_check 'rmdir a' 0 null null
153
154	eval $(stat -s ${Mount_Point})
155	[ ${st_nlink} = 2 ] || atf_fail "Incorrect number of links"
156
157	test_unmount
158}
159
160atf_test_case curdir
161curdir_head() {
162	atf_set "descr" "Checks that the current directory cannot be removed"
163	atf_set "require.user" "root"
164}
165curdir_body() {
166	test_mount
167
168	atf_check 'mkdir a' 0 null null
169	# Catch a bug that would panic the system when accessing the
170	# current directory after being deleted: vop_open cannot assume
171	# that open files are still linked to a directory.
172	atf_check '( cd a && rmdir ../a && ls )' 1 null ignore
173	atf_check 'test -e a' 1 null null
174
175	test_unmount
176}
177
178atf_test_case kqueue
179kqueue_head() {
180	atf_set "descr" "Checks that removing a directory raises the" \
181	                "correct kqueue events"
182	atf_set "require.user" "root"
183}
184kqueue_body() {
185	test_mount
186
187	atf_check 'mkdir dir' 0 null null
188	atf_check 'mkdir dir/a' 0 null null
189	echo 'rmdir dir/a' | kqueue_monitor 3 dir dir/a
190	kqueue_check dir/a NOTE_DELETE
191	kqueue_check dir NOTE_LINK
192	kqueue_check dir NOTE_WRITE
193	atf_check 'rmdir dir' 0 null null
194
195	test_unmount
196}
197
198atf_init_test_cases() {
199	. $(atf_get_srcdir)/../h_funcs.subr
200	. $(atf_get_srcdir)/h_funcs.subr
201
202	atf_add_test_case mntpt
203	atf_add_test_case non_existent
204	atf_add_test_case single
205	atf_add_test_case nested
206	atf_add_test_case dots
207	atf_add_test_case non_empty
208	atf_add_test_case links
209	atf_add_test_case curdir
210	atf_add_test_case kqueue
211}
212