xref: /freebsd-src/tools/regression/tmpfs/t_symlink (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf) 
1*f8c94cecSXin LI#!/bin/sh
2*f8c94cecSXin LI#
3*f8c94cecSXin LI# $NetBSD: t_symlink,v 1.6 2006/11/09 16:20:06 jmmv Exp $
4*f8c94cecSXin LI#
5*f8c94cecSXin LI# Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
6*f8c94cecSXin LI# All rights reserved.
7*f8c94cecSXin LI#
8*f8c94cecSXin LI# This code is derived from software contributed to The NetBSD Foundation
9*f8c94cecSXin LI# by Julio M. Merino Vidal, developed as part of Google's Summer of Code
10*f8c94cecSXin LI# 2005 program.
11*f8c94cecSXin LI#
12*f8c94cecSXin LI# Redistribution and use in source and binary forms, with or without
13*f8c94cecSXin LI# modification, are permitted provided that the following conditions
14*f8c94cecSXin LI# are met:
15*f8c94cecSXin LI# 1. Redistributions of source code must retain the above copyright
16*f8c94cecSXin LI#    notice, this list of conditions and the following disclaimer.
17*f8c94cecSXin LI# 2. Redistributions in binary form must reproduce the above copyright
18*f8c94cecSXin LI#    notice, this list of conditions and the following disclaimer in the
19*f8c94cecSXin LI#    documentation and/or other materials provided with the distribution.
20*f8c94cecSXin LI#
21*f8c94cecSXin LI# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22*f8c94cecSXin LI# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23*f8c94cecSXin LI# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24*f8c94cecSXin LI# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25*f8c94cecSXin LI# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26*f8c94cecSXin LI# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27*f8c94cecSXin LI# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28*f8c94cecSXin LI# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29*f8c94cecSXin LI# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30*f8c94cecSXin LI# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31*f8c94cecSXin LI# POSSIBILITY OF SUCH DAMAGE.
32*f8c94cecSXin LI#
33*f8c94cecSXin LI#
34*f8c94cecSXin LI
35*f8c94cecSXin LI#
36*f8c94cecSXin LI# Verifies that the symlink and readlink operations work.
37*f8c94cecSXin LI#
38*f8c94cecSXin LI
39*f8c94cecSXin LItest_run() {
40*f8c94cecSXin LI	test_mount
41*f8c94cecSXin LI
42*f8c94cecSXin LI	test_name "Creation of an empty file"
43*f8c94cecSXin LI	touch a || die
44*f8c94cecSXin LI	test_name "Creation of a symlink pointing to it"
45*f8c94cecSXin LI	ln -s a b || die
46*f8c94cecSXin LI	test_name "Symlink points to correct file"
47*f8c94cecSXin LI	[ $(md5 b | cut -d ' ' -f 4) = d41d8cd98f00b204e9800998ecf8427e ] || die
48*f8c94cecSXin LI
49*f8c94cecSXin LI	test_name "Changing original file"
50*f8c94cecSXin LI	echo foo >a || die
51*f8c94cecSXin LI	test_name "Symlink reflects the changes"
52*f8c94cecSXin LI	[ $(md5 b | cut -d ' ' -f 4) = d3b07384d113edec49eaa6238ad5ff00 ] || die
53*f8c94cecSXin LI
54*f8c94cecSXin LI	test_name "Creation of symlink to a known system file"
55*f8c94cecSXin LI	ln -s /bin/cp cp || die
56*f8c94cecSXin LI	test_name "Trying to see if it works"
57*f8c94cecSXin LI	./cp b c || die
58*f8c94cecSXin LI	[ -f c ] || die
59*f8c94cecSXin LI
60*f8c94cecSXin LI	test_name "Symlinking directories works"
61*f8c94cecSXin LI	mkdir d || die
62*f8c94cecSXin LI	[ -f d/foo ] && die
63*f8c94cecSXin LI	[ -f e/foo ] && die
64*f8c94cecSXin LI	ln -s d e || die
65*f8c94cecSXin LI	touch d/foo || die
66*f8c94cecSXin LI	[ -f d/foo ] || die
67*f8c94cecSXin LI	[ -f e/foo ] || die
68*f8c94cecSXin LI
69*f8c94cecSXin LI	mkdir dir || die
70*f8c94cecSXin LI	echo 'ln -s non-existent dir/a' | kqueue_monitor 1 dir || die
71*f8c94cecSXin LI	test_name "Creating a symlink raises NOTE_WRITE on the parent" \
72*f8c94cecSXin LI	    "directory"
73*f8c94cecSXin LI	kqueue_check dir NOTE_WRITE || die
74*f8c94cecSXin LI	rm dir/a || die
75*f8c94cecSXin LI	rmdir dir || die
76*f8c94cecSXin LI
77*f8c94cecSXin LI	test_unmount
78*f8c94cecSXin LI}
79*f8c94cecSXin LI
80*f8c94cecSXin LI. ${SUBRDIR}/h_funcs.subr
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