1 /* $NetBSD: simple_unittest.c,v 1.2 2018/04/07 22:37:30 christos Exp $ */
2
3 /*
4 * Copyright (C) 2012-2017 by Internet Systems Consortium, Inc. ("ISC")
5 *
6 * This Source Code Form is subject to the terms of the Mozilla Public
7 * License, v. 2.0. If a copy of the MPL was not distributed with this
8 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
11 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
12 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
13 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
14 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
15 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16 * PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include <config.h>
20 #include <dhcpd.h>
21 #include <atf-c.h>
22
23 /* That is an example ATF test case, tailored to ISC DHCP sources.
24 For detailed description with examples, see man 3 atf-c-api. */
25
26 /* this macro defines a name of a test case. Typical test case constists
27 of an initial test declaration (ATF_TC()) followed by 3 phases:
28
29 - Initialization: ATF_TC_HEAD()
30 - Main body: ATF_TC_BODY()
31 - Cleanup: ATF_TC_CLEANUP()
32
33 In many cases initialization or cleanup are not needed. Use
34 ATF_TC_WITHOUT_HEAD() or ATF_TC_WITH_CLEANUP() as needed. */
35 ATF_TC(simple_test_case);
36
37
ATF_TC_HEAD(simple_test_case,tc)38 ATF_TC_HEAD(simple_test_case, tc)
39 {
40 atf_tc_set_md_var(tc, "descr", "This test case is a simple DHCP test.");
41 }
ATF_TC_BODY(simple_test_case,tc)42 ATF_TC_BODY(simple_test_case, tc)
43 {
44 int condition = 1;
45 int this_is_linux = 1;
46 /* Failing condition will fail the test, but the code
47 itself will continue */
48 ATF_CHECK( 2 > 1 );
49
50 /* assert style check. Test will abort if the condition is not met. */
51 ATF_REQUIRE( 5 > 4 );
52
53 ATF_CHECK_EQ(4, 2 + 2); /* Non-fatal test. */
54 ATF_REQUIRE_EQ(4, 2 + 2); /* Fatal test. */
55
56 /* tests can also explicitly report test result */
57 if (!condition) {
58 atf_tc_fail("Condition not met!"); /* Explicit failure. */
59 }
60
61 if (!this_is_linux) {
62 atf_tc_skip("Skipping test. This Linux-only test.");
63 }
64
65 if (condition && this_is_linux) {
66 /* no extra comments for pass needed. It just passed. */
67 atf_tc_pass();
68 }
69
70 }
71
72 #ifdef DHCPv6
73 ATF_TC(parse_byte_order);
74
ATF_TC_HEAD(parse_byte_order,tc)75 ATF_TC_HEAD(parse_byte_order, tc)
76 {
77 atf_tc_set_md_var(tc, "descr", "Tests byte-order conversion.");
78 }
79
ATF_TC_BODY(parse_byte_order,tc)80 ATF_TC_BODY(parse_byte_order, tc)
81 {
82 uint32_t ret_value = 0;
83 uint32_t source_value = 0xaabbccdd;
84
85 /* With order set to 0, function should default to no conversion */
86 authoring_byte_order = 0;
87 ret_value = parse_byte_order_uint32(&source_value);
88 if (ret_value != source_value) {
89 atf_tc_fail("default/non-conversion failed!");
90 }
91
92 /* With matching byte order, function should not do the conversion */
93 authoring_byte_order = DHCP_BYTE_ORDER;
94 ret_value = parse_byte_order_uint32(&source_value);
95 if (ret_value != source_value) {
96 atf_tc_fail("matching/non-conversion failed!");
97 }
98
99 /* With opposite byte order, function should do the conversion */
100 authoring_byte_order = (DHCP_BYTE_ORDER == LITTLE_ENDIAN ?
101 BIG_ENDIAN : LITTLE_ENDIAN);
102 ret_value = parse_byte_order_uint32(&source_value);
103 if (ret_value != 0xddccbbaa) {
104 atf_tc_fail("conversion failed!");
105 }
106
107 /* Converting the converted value should give us the original value */
108 ret_value = parse_byte_order_uint32(&ret_value);
109 if (ret_value != source_value) {
110 atf_tc_fail("round trip conversion failed!");
111 }
112
113 atf_tc_pass();
114 }
115 #endif /* DHCPv6 */
116
117 /* This macro defines main() method that will call specified
118 test cases. tp and simple_test_case names can be whatever you want
119 as long as it is a valid variable identifier. */
ATF_TP_ADD_TCS(tp)120 ATF_TP_ADD_TCS(tp)
121 {
122 ATF_TP_ADD_TC(tp, simple_test_case);
123 #ifdef DHCPv6
124 ATF_TP_ADD_TC(tp, parse_byte_order);
125 #endif
126 return (atf_no_error());
127 }
128