2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (C) 2021 Mariusz Zaborski <oshogbo@FreeBSD.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * Test for clearenv(3) routine.
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
40 #define TEST_VARIABLE "TEST_VAR"
41 #define TEST_SYSTEM_VARIABLE "PWD"
43 extern char **environ;
46 create_multiple_variables(int num)
52 for (i = 0; i < num; i++) {
53 snprintf(name, sizeof(name), "%s_%d", TEST_VARIABLE, i);
54 snprintf(value, sizeof(value), "%d", i);
55 ATF_CHECK(getenv(name) == NULL);
56 ATF_CHECK(setenv(name, value, 0) != -1);
57 ATF_CHECK_STREQ(getenv(name), value);
62 check_if_nulled_variables(int num)
67 for (i = 0; i < num; i++) {
68 snprintf(name, sizeof(name), "%s_%d", TEST_VARIABLE, i);
69 ATF_CHECK(getenv(name) == NULL);
73 ATF_TC_WITHOUT_HEAD(clearenv__single_var_test);
74 ATF_TC_BODY(clearenv__single_var_test, tc)
77 ATF_CHECK(setenv(TEST_VARIABLE, "true", 0) != -1);
78 ATF_CHECK_STREQ(getenv(TEST_VARIABLE), "true");
79 ATF_CHECK(clearenv() == 0);
80 ATF_CHECK(getenv(TEST_VARIABLE) == NULL);
83 ATF_TC_WITHOUT_HEAD(clearenv__multiple_vars_test);
84 ATF_TC_BODY(clearenv__multiple_vars_test, tc)
87 create_multiple_variables(10);
88 ATF_CHECK(clearenv() == 0);
89 check_if_nulled_variables(10);
92 ATF_TC_WITHOUT_HEAD(clearenv__recreated_vars_test);
93 ATF_TC_BODY(clearenv__recreated_vars_test, tc)
96 create_multiple_variables(10);
97 ATF_CHECK(clearenv() == 0);
98 check_if_nulled_variables(10);
99 create_multiple_variables(10);
102 ATF_TC_WITHOUT_HEAD(clearenv__system_var_test);
103 ATF_TC_BODY(clearenv__system_var_test, tc)
106 ATF_CHECK(getenv(TEST_SYSTEM_VARIABLE) != NULL);
107 ATF_CHECK(clearenv() == 0);
108 ATF_CHECK(getenv(TEST_SYSTEM_VARIABLE) == NULL);
111 ATF_TC_WITHOUT_HEAD(clearenv__recreated_system_var_test);
112 ATF_TC_BODY(clearenv__recreated_system_var_test, tc)
115 ATF_CHECK(getenv(TEST_SYSTEM_VARIABLE) != NULL);
116 ATF_CHECK(clearenv() == 0);
117 ATF_CHECK(getenv(TEST_SYSTEM_VARIABLE) == NULL);
118 ATF_CHECK(setenv(TEST_SYSTEM_VARIABLE, "test", 0) != -1);
119 ATF_CHECK_STREQ(getenv(TEST_SYSTEM_VARIABLE), "test");
122 ATF_TC_WITHOUT_HEAD(clearenv__double_clear_vars);
123 ATF_TC_BODY(clearenv__double_clear_vars, tc)
126 create_multiple_variables(10);
127 ATF_CHECK(clearenv() == 0);
128 check_if_nulled_variables(10);
129 ATF_CHECK(clearenv() == 0);
130 check_if_nulled_variables(10);
131 create_multiple_variables(10);
134 ATF_TC_WITHOUT_HEAD(clearenv__environ_null);
135 ATF_TC_BODY(clearenv__environ_null, tc)
138 ATF_CHECK(clearenv() == 0);
139 ATF_CHECK(environ != NULL);
142 ATF_TC_WITHOUT_HEAD(clearenv__putenv_vars);
143 ATF_TC_BODY(clearenv__putenv_vars, tc)
145 char buf[64], ref[64];
147 snprintf(buf, sizeof(buf), "%s=1", TEST_VARIABLE);
150 ATF_CHECK(getenv(TEST_VARIABLE) == NULL);
151 ATF_CHECK(putenv(buf) != -1);
152 ATF_CHECK(strcmp(getenv(TEST_VARIABLE), "1") == 0);
154 ATF_CHECK(clearenv() == 0);
156 ATF_CHECK(getenv(TEST_VARIABLE) == NULL);
157 ATF_CHECK(strcmp(buf, ref) == 0);
163 ATF_TP_ADD_TC(tp, clearenv__single_var_test);
164 ATF_TP_ADD_TC(tp, clearenv__multiple_vars_test);
165 ATF_TP_ADD_TC(tp, clearenv__recreated_vars_test);
167 ATF_TP_ADD_TC(tp, clearenv__system_var_test);
168 ATF_TP_ADD_TC(tp, clearenv__recreated_system_var_test);
170 ATF_TP_ADD_TC(tp, clearenv__double_clear_vars);
171 ATF_TP_ADD_TC(tp, clearenv__environ_null);
173 ATF_TP_ADD_TC(tp, clearenv__putenv_vars);
175 return (atf_no_error());