xref: /freebsd/tools/regression/tmpfs/t_rmdir (revision d0b2dbfa)
1#!/bin/sh
2#
3# $NetBSD: t_rmdir,v 1.6 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 rmdir works by creating and removing directories.  Also
37# checks multiple error conditions.
38#
39
40test_run() {
41	test_mount
42
43	test_name "The mount point cannot be removed"
44	rmdir 2>/dev/null && die
45
46	test_name "Non-existing directories cannot be removed"
47	rmdir non-existent 2>/dev/null && die
48
49	test_name "Removal of a single directory works"
50	mkdir a || die
51	eval $(stat -s ${Work_Dir})
52	[ ${st_nlink} = 3 ] || die
53	rmdir a || die
54	eval $(stat -s ${Work_Dir})
55	[ ${st_nlink} = 2 ] || die
56
57	test_name "Removal of nested directories works"
58	mkdir -p a/b/c || die
59	rmdir a/b/c || die
60	rmdir a/b || die
61	rmdir a || die
62
63	test_name "'.' and '..' directories cannot be removed"
64	mkdir a || die
65	rmdir a/. 2>/dev/null && die
66	rmdir a/.. 2>/dev/null && die
67	rmdir a || die
68
69	test_name "Non-empty directories cannot be removed"
70	mkdir a || die
71	mkdir a/b || die
72	mkdir a/c || die
73	rmdir a 2>/dev/null && die
74	rmdir a/b || die
75	rmdir a/c || die
76	rmdir a || die
77
78	test_name "Root directory has two links after all removes"
79	eval $(stat -s ${Work_Dir})
80	[ ${st_nlink} = 2 ] || die
81
82	test_name "Removal of current directory"
83	mkdir a || die
84	# Catch a bug that would panic the system when accessing the
85	# current directory after being deleted: vop_open cannot assume
86	# that open files are still linked to a directory.
87	( cd a && rmdir ../a && ls >/dev/null 2>&1 ) && die
88	test -e a && die
89
90	mkdir dir || die
91	mkdir dir/a || die
92	echo 'rmdir dir/a' | kqueue_monitor 3 dir dir/a || die
93	test_name "Deleting a directory raises NOTE_DELETE on it"
94	kqueue_check dir/a NOTE_DELETE || die
95	test_name "Deleting a directory raises NOTE_LINK on the parent" \
96	    "directory"
97	kqueue_check dir NOTE_LINK || die
98	test_name "Deleting a directory raises NOTE_WRITE on the parent" \
99	    "directory"
100	kqueue_check dir NOTE_WRITE || die
101	rmdir dir || die
102
103	test_unmount
104}
105
106. ${SUBRDIR}/h_funcs.subr
107