xref: /freebsd/tools/regression/tmpfs/t_symlink (revision f126890ac5386406dadf7c4cfa9566cbb56537c5)
1#!/bin/sh
2#
3# $NetBSD: t_symlink,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 the symlink and readlink operations work.
37#
38
39test_run() {
40	test_mount
41
42	test_name "Creation of an empty file"
43	touch a || die
44	test_name "Creation of a symlink pointing to it"
45	ln -s a b || die
46	test_name "Symlink points to correct file"
47	[ $(md5 b | cut -d ' ' -f 4) = d41d8cd98f00b204e9800998ecf8427e ] || die
48
49	test_name "Changing original file"
50	echo foo >a || die
51	test_name "Symlink reflects the changes"
52	[ $(md5 b | cut -d ' ' -f 4) = d3b07384d113edec49eaa6238ad5ff00 ] || die
53
54	test_name "Creation of symlink to a known system file"
55	ln -s /bin/cp cp || die
56	test_name "Trying to see if it works"
57	./cp b c || die
58	[ -f c ] || die
59
60	test_name "Symlinking directories works"
61	mkdir d || die
62	[ -f d/foo ] && die
63	[ -f e/foo ] && die
64	ln -s d e || die
65	touch d/foo || die
66	[ -f d/foo ] || die
67	[ -f e/foo ] || die
68
69	mkdir dir || die
70	echo 'ln -s non-existent dir/a' | kqueue_monitor 1 dir || die
71	test_name "Creating a symlink raises NOTE_WRITE on the parent" \
72	    "directory"
73	kqueue_check dir NOTE_WRITE || die
74	rm dir/a || die
75	rmdir dir || die
76
77	test_unmount
78}
79
80. ${SUBRDIR}/h_funcs.subr
81