1 /* Copyright (c) 2010 The NetBSD Foundation, Inc.
2 * All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
14 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
15 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
16 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
20 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
22 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
24 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
25
26 #include "atf-c/tp.h"
27
28 #include <string.h>
29 #include <unistd.h>
30
31 #include <atf-c.h>
32
33 ATF_TC(getopt);
ATF_TC_HEAD(getopt,tc)34 ATF_TC_HEAD(getopt, tc)
35 {
36 atf_tc_set_md_var(tc, "descr", "Checks if getopt(3) global state is "
37 "reset by the test program driver so that test cases can use "
38 "getopt(3) again");
39 }
ATF_TC_BODY(getopt,tc)40 ATF_TC_BODY(getopt, tc)
41 {
42 /* Provide an option that is unknown to the test program driver and
43 * one that is, together with an argument that would be swallowed by
44 * the test program option if it were recognized. */
45 int argc = 4;
46 char arg1[] = "progname";
47 char arg2[] = "-Z";
48 char arg3[] = "-s";
49 char arg4[] = "foo";
50 char *const argv[] = { arg1, arg2, arg3, arg4, NULL };
51
52 int ch;
53 bool zflag;
54
55 /* Given that this obviously is a test program, and that we used the
56 * same driver to start, we can test getopt(3) right here without doing
57 * any fancy stuff. */
58 zflag = false;
59 while ((ch = getopt(argc, argv, ":Z")) != -1) {
60 switch (ch) {
61 case 'Z':
62 zflag = true;
63 break;
64
65 case '?':
66 default:
67 if (optopt != 's')
68 atf_tc_fail("Unexpected unknown option -%c found", optopt);
69 }
70 }
71
72 ATF_REQUIRE(zflag);
73 ATF_REQUIRE_EQ_MSG(1, argc - optind, "Invalid number of arguments left "
74 "after the call to getopt(3)");
75 ATF_CHECK_STREQ_MSG("foo", argv[optind], "The non-option argument is "
76 "invalid");
77 }
78
79 /* ---------------------------------------------------------------------
80 * Main.
81 * --------------------------------------------------------------------- */
82
ATF_TP_ADD_TCS(tp)83 ATF_TP_ADD_TCS(tp)
84 {
85 ATF_TP_ADD_TC(tp, getopt);
86
87 return atf_no_error();
88 }
89