1/*
2 * Automated Testing Framework (atf)
3 *
4 * Copyright (c) 2010 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
17 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include <string.h>
31#include <unistd.h>
32
33#include <atf-c.h>
34
35#include "detail/test_helpers.h"
36
37ATF_TC(getopt);
38ATF_TC_HEAD(getopt, tc)
39{
40    atf_tc_set_md_var(tc, "descr", "Checks if getopt(3) global state is "
41        "reset by the test program driver so that test cases can use "
42        "getopt(3) again");
43}
44ATF_TC_BODY(getopt, tc)
45{
46    /* Provide an option that is unknown to the test program driver and
47     * one that is, together with an argument that would be swallowed by
48     * the test program option if it were recognized. */
49    int argc = 4;
50    char arg1[] = "progname";
51    char arg2[] = "-Z";
52    char arg3[] = "-s";
53    char arg4[] = "foo";
54    char *const argv[] = { arg1, arg2, arg3, arg4, NULL };
55
56    int ch;
57    bool zflag;
58
59    /* Given that this obviously is a test program, and that we used the
60     * same driver to start, we can test getopt(3) right here without doing
61     * any fancy stuff. */
62    zflag = false;
63    while ((ch = getopt(argc, argv, ":Z")) != -1) {
64        switch (ch) {
65        case 'Z':
66            zflag = true;
67            break;
68
69        case '?':
70        default:
71            if (optopt != 's')
72                atf_tc_fail("Unexpected unknown option -%c found", optopt);
73        }
74    }
75
76    ATF_REQUIRE(zflag);
77    ATF_REQUIRE_EQ_MSG(1, argc - optind, "Invalid number of arguments left "
78        "after the call to getopt(3)");
79    ATF_CHECK_STREQ_MSG("foo", argv[optind], "The non-option argument is "
80        "invalid");
81}
82
83/* ---------------------------------------------------------------------
84 * Tests cases for the header file.
85 * --------------------------------------------------------------------- */
86
87HEADER_TC(include, "atf-c/tp.h");
88
89/* ---------------------------------------------------------------------
90 * Main.
91 * --------------------------------------------------------------------- */
92
93ATF_TP_ADD_TCS(tp)
94{
95    ATF_TP_ADD_TC(tp, getopt);
96
97    /* Add the test cases for the header file. */
98    ATF_TP_ADD_TC(tp, include);
99
100    return atf_no_error();
101}
102