xref: /freebsd/tools/regression/tmpfs/t_read_write (revision a7623790fb345e6dc986dfd31df0ace115e6f2e4)
1#!/bin/sh
2#
3# $NetBSD: t_read_write,v 1.5 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 the read and write operations work.
38#
39
40test_run() {
41	test_mount
42
43	test_name "Write to new file works"
44	echo foo >a || die
45	test_name "Data written is correct"
46	[ $(md5 a | cut -d ' ' -f 4) = d3b07384d113edec49eaa6238ad5ff00 ] || die
47
48	test_name "Append to existing file works"
49	echo bar >>a || die
50	test_name "Data written is correct"
51	[ $(md5 a | cut -d ' ' -f 4) = f47c75614087a8dd938ba4acff252494 ] || die
52
53	test_name "Write to long file (bigger than a page) works"
54	jot 10000 >b || die
55	test_name "Data written is correct"
56	[ $(md5 b | cut -d ' ' -f 4) = 72d4ff27a28afbc066d5804999d5a504 ] || die
57
58	dd if=/dev/zero of=c bs=1k count=10 >/dev/null 2>&1 || die
59	echo 'dd if=/dev/zero of=c seek=2 bs=1k count=1 conv=notrunc' \
60	    '>/dev/null 2>&1' | kqueue_monitor 1 c || die
61	test_name "Writing to a file raises NOTE_WRITE"
62	kqueue_check c NOTE_WRITE || die
63
64	echo foo >d
65	echo 'echo bar >>d' | kqueue_monitor 2 d || die
66	test_name "Appending to a file raises NOTE_EXTEND"
67	kqueue_check d NOTE_EXTEND || die
68	test_name "Appending to a file raises NOTE_WRITE"
69	kqueue_check d NOTE_WRITE || die
70
71	test_unmount
72}
73
74. ${SUBRDIR}/h_funcs.subr
75