xref: /freebsd/tools/regression/tmpfs/t_rmdir (revision dd41de95a84d979615a2ef11df6850622bf6184e) 
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# $FreeBSD$
34#
35
36#
37# Verifies that rmdir works by creating and removing directories.  Also
38# checks multiple error conditions.
39#
40
41test_run() {
42	test_mount
43
44	test_name "The mount point cannot be removed"
45	rmdir 2>/dev/null && die
46
47	test_name "Non-existing directories cannot be removed"
48	rmdir non-existent 2>/dev/null && die
49
50	test_name "Removal of a single directory works"
51	mkdir a || die
52	eval $(stat -s ${Work_Dir})
53	[ ${st_nlink} = 3 ] || die
54	rmdir a || die
55	eval $(stat -s ${Work_Dir})
56	[ ${st_nlink} = 2 ] || die
57
58	test_name "Removal of nested directories works"
59	mkdir -p a/b/c || die
60	rmdir a/b/c || die
61	rmdir a/b || die
62	rmdir a || die
63
64	test_name "'.' and '..' directories cannot be removed"
65	mkdir a || die
66	rmdir a/. 2>/dev/null && die
67	rmdir a/.. 2>/dev/null && die
68	rmdir a || die
69
70	test_name "Non-empty directories cannot be removed"
71	mkdir a || die
72	mkdir a/b || die
73	mkdir a/c || die
74	rmdir a 2>/dev/null && die
75	rmdir a/b || die
76	rmdir a/c || die
77	rmdir a || die
78
79	test_name "Root directory has two links after all removes"
80	eval $(stat -s ${Work_Dir})
81	[ ${st_nlink} = 2 ] || die
82
83	test_name "Removal of current directory"
84	mkdir a || die
85	# Catch a bug that would panic the system when accessing the
86	# current directory after being deleted: vop_open cannot assume
87	# that open files are still linked to a directory.
88	( cd a && rmdir ../a && ls >/dev/null 2>&1 ) && die
89	test -e a && die
90
91	mkdir dir || die
92	mkdir dir/a || die
93	echo 'rmdir dir/a' | kqueue_monitor 3 dir dir/a || die
94	test_name "Deleting a directory raises NOTE_DELETE on it"
95	kqueue_check dir/a NOTE_DELETE || die
96	test_name "Deleting a directory raises NOTE_LINK on the parent" \
97	    "directory"
98	kqueue_check dir NOTE_LINK || die
99	test_name "Deleting a directory raises NOTE_WRITE on the parent" \
100	    "directory"
101	kqueue_check dir NOTE_WRITE || die
102	rmdir dir || die
103
104	test_unmount
105}
106
107. ${SUBRDIR}/h_funcs.subr
108