1/*
2 * Automated Testing Framework (atf)
3 *
4 * Copyright (c) 2007 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 <stdio.h>
31#include <string.h>
32
33#include <atf-c.h>
34
35#include "atf-c/config.h"
36
37#include "detail/env.h"
38#include "detail/test_helpers.h"
39
40static const char *test_value = "env-value";
41
42static struct varnames {
43    const char *lc;
44    const char *uc;
45    bool can_be_empty;
46} all_vars[] = {
47    { "atf_build_cc",       "ATF_BUILD_CC",       false },
48    { "atf_build_cflags",   "ATF_BUILD_CFLAGS",   true  },
49    { "atf_build_cpp",      "ATF_BUILD_CPP",      false },
50    { "atf_build_cppflags", "ATF_BUILD_CPPFLAGS", true  },
51    { "atf_build_cxx",      "ATF_BUILD_CXX",      false },
52    { "atf_build_cxxflags", "ATF_BUILD_CXXFLAGS", true  },
53    { "atf_includedir",     "ATF_INCLUDEDIR",     false },
54    { "atf_libexecdir",     "ATF_LIBEXECDIR",     false },
55    { "atf_pkgdatadir",     "ATF_PKGDATADIR",     false },
56    { "atf_shell",          "ATF_SHELL",          false },
57    { "atf_workdir",        "ATF_WORKDIR",        false },
58    { NULL,                 NULL,                 false }
59};
60
61/* ---------------------------------------------------------------------
62 * Auxiliary functions.
63 * --------------------------------------------------------------------- */
64
65void __atf_config_reinit(void);
66
67static
68void
69unset_all(void)
70{
71    const struct varnames *v;
72    for (v = all_vars; v->lc != NULL; v++)
73        RE(atf_env_unset(v->uc));
74}
75
76static
77void
78compare_one(const char *var, const char *expvalue)
79{
80    const struct varnames *v;
81
82    printf("Checking that %s is set to %s\n", var, expvalue);
83
84    for (v = all_vars; v->lc != NULL; v++) {
85        if (strcmp(v->lc, var) == 0)
86            ATF_CHECK_STREQ(atf_config_get(v->lc), test_value);
87        else
88            ATF_CHECK(strcmp(atf_config_get(v->lc), test_value) != 0);
89    }
90}
91
92/* ---------------------------------------------------------------------
93 * Test cases for the free functions.
94 * --------------------------------------------------------------------- */
95
96ATF_TC(get);
97ATF_TC_HEAD(get, tc)
98{
99    atf_tc_set_md_var(tc, "descr", "Tests the atf_config_get function");
100}
101ATF_TC_BODY(get, tc)
102{
103    const struct varnames *v;
104
105    /* Unset all known environment variables and make sure the built-in
106     * values do not match the bogus value we will use for testing. */
107    unset_all();
108    __atf_config_reinit();
109    for (v = all_vars; v->lc != NULL; v++)
110        ATF_CHECK(strcmp(atf_config_get(v->lc), test_value) != 0);
111
112    /* Test the behavior of empty values. */
113    for (v = all_vars; v->lc != NULL; v++) {
114        unset_all();
115        if (strcmp(atf_config_get(v->lc), "") != 0) {
116            RE(atf_env_set(v->uc, ""));
117            __atf_config_reinit();
118            if (v->can_be_empty)
119                ATF_CHECK(strlen(atf_config_get(v->lc)) == 0);
120            else
121                ATF_CHECK(strlen(atf_config_get(v->lc)) > 0);
122        }
123    }
124
125    /* Check if every variable is recognized individually. */
126    for (v = all_vars; v->lc != NULL; v++) {
127        unset_all();
128        RE(atf_env_set(v->uc, test_value));
129        __atf_config_reinit();
130        compare_one(v->lc, test_value);
131    }
132}
133
134/* ---------------------------------------------------------------------
135 * Tests cases for the header file.
136 * --------------------------------------------------------------------- */
137
138HEADER_TC(include, "atf-c/config.h");
139
140/* ---------------------------------------------------------------------
141 * Main.
142 * --------------------------------------------------------------------- */
143
144ATF_TP_ADD_TCS(tp)
145{
146    ATF_TP_ADD_TC(tp, get);
147
148    /* Add the test cases for the header file. */
149    ATF_TP_ADD_TC(tp, include);
150
151    return atf_no_error();
152}
153