1/* $NetBSD: t_fsync.c,v 1.2 2011/04/05 14:04:42 jruoho Exp $ */
2
3/*-
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jukka Ruohonen.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31#include <sys/cdefs.h>
32__RCSID("$NetBSD: t_fsync.c,v 1.2 2011/04/05 14:04:42 jruoho Exp $");
33
34#include <errno.h>
35#include <fcntl.h>
36#include <stdio.h>
37#include <stdlib.h>
38#include <string.h>
39#include <unistd.h>
40
41#include <atf-c.h>
42
43ATF_TC(fsync_err);
44ATF_TC_HEAD(fsync_err, tc)
45{
46	atf_tc_set_md_var(tc, "descr", "Test error conditions of fsync(2)");
47}
48
49ATF_TC_BODY(fsync_err, tc)
50{
51	int i, fd[2];
52
53	/*
54	 * The fsync(2) call should fail with EBADF
55	 * when the 'fd' is not a valid descriptor.
56	 */
57	for (i = 1; i < 1024; i = i + 128) {
58
59		errno = 0;
60
61		ATF_REQUIRE(fsync(-i) == -1);
62		ATF_REQUIRE(errno == EBADF);
63	}
64
65	/*
66	 * On the other hand, EINVAL should follow
67	 * if the operation is not possible with
68	 * the file descriptor (cf. PR kern/30).
69	 */
70	ATF_REQUIRE(pipe(fd) == 0);
71
72	errno = 0;
73
74	ATF_REQUIRE(fsync(fd[0]) == -1);
75	ATF_REQUIRE(errno == EINVAL);
76
77	errno = 0;
78
79	ATF_REQUIRE(fsync(fd[1]) == -1);
80	ATF_REQUIRE(errno == EINVAL);
81
82	ATF_REQUIRE(close(fd[0]) == 0);
83	ATF_REQUIRE(close(fd[1]) == 0);
84}
85
86ATF_TC(fsync_sync);
87ATF_TC_HEAD(fsync_sync, tc)
88{
89	atf_tc_set_md_var(tc, "descr", "A basic test of fsync(2)");
90}
91
92ATF_TC_BODY(fsync_sync, tc)
93{
94	char buf[128];
95	int fd, i;
96
97	for (i = 0; i < 10; i++) {
98
99		(void)snprintf(buf, sizeof(buf), "t_fsync-%d", i);
100
101		fd = mkstemp(buf);
102
103		ATF_REQUIRE(fd != -1);
104		ATF_REQUIRE(write(fd, "0", 1) == 1);
105		ATF_REQUIRE(fsync(fd) == 0);
106
107		ATF_REQUIRE(unlink(buf) == 0);
108		ATF_REQUIRE(close(fd) == 0);
109	}
110}
111
112ATF_TP_ADD_TCS(tp)
113{
114
115	ATF_TP_ADD_TC(tp, fsync_err);
116	ATF_TP_ADD_TC(tp, fsync_sync);
117
118	return atf_no_error();
119}
120