kern_descrip_test.c revision 282850 
1/*-
2 * Copyright (c) 2014 EMC Corp.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: stable/10/tests/sys/kern/kern_descrip_test.c 282850 2015-05-13 11:01:48Z ngie $");
29
30#include <errno.h>
31#include <fcntl.h>
32#include <stdio.h>
33#include <stdlib.h>
34#include <strings.h>
35#include <sys/limits.h>
36#include <sys/stat.h>
37#include <unistd.h>
38#include <atf-c.h>
39
40ATF_TC_WITHOUT_HEAD(dup2_simple);
41ATF_TC_BODY(dup2_simple, tc)
42{
43	int fd1, fd2;
44	struct stat sb1, sb2;
45
46	fd1 = open("/etc/passwd", O_RDONLY);
47	ATF_REQUIRE(fd1 >= 0);
48	fd2 = 27;
49	ATF_REQUIRE(dup2(fd1, fd2) != -1);
50	ATF_REQUIRE(fstat(fd1, &sb1) != -1);
51	ATF_REQUIRE(fstat(fd2, &sb2) != -1);
52	ATF_REQUIRE(bcmp(&sb1, &sb2, sizeof(sb1)) == 0);
53}
54
55ATF_TC(dup2__ebadf_when_2nd_arg_out_of_range);
56ATF_TC_HEAD(dup2__ebadf_when_2nd_arg_out_of_range, tc)
57{
58	atf_tc_set_md_var(tc, "descr", "Regression test for r234131");
59}
60ATF_TC_BODY(dup2__ebadf_when_2nd_arg_out_of_range, tc)
61{
62	int fd1, fd2, ret;
63
64	fd1 =  open("/etc/passwd", O_RDONLY);
65	fd2 = INT_MAX;
66	ret = dup2(fd1, fd2);
67	ATF_CHECK_EQ(-1, ret);
68	ATF_CHECK_EQ(EBADF, errno);
69}
70
71ATF_TP_ADD_TCS(tp)
72{
73
74        ATF_TP_ADD_TC(tp, dup2_simple);
75        ATF_TP_ADD_TC(tp, dup2__ebadf_when_2nd_arg_out_of_range);
76
77        return atf_no_error();
78}
79