1 /*
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright 2021 Lutz Donnerhacke
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
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
13  *    copyright notice, this list of conditions and the following
14  *    disclaimer in the documentation and/or other materials provided
15  *    with the distribution.
16  * 3. Neither the name of the copyright holder nor the names of its
17  *    contributors may be used to endorse or promote products derived
18  *    from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
21  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
22  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
23  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
27  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
29  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
30  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
31  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 #include <atf-c.h>
35 #include <alias.h>
36 #include <stdio.h>
37 #include <stdlib.h>
38 
39 #include "util.h"
40 
41 ATF_TC(2_destroynull);
42 ATF_TC_HEAD(2_destroynull, env)
43 {
44 	atf_tc_set_md_var(env, "descr", "Destroy the NULL instance");
45 }
46 ATF_TC_BODY(2_destroynull, dummy)
47 {
48 	atf_tc_expect_death("Code expects valid pointer.");
49 	LibAliasUninit(NULL);
50 }
51 
52 ATF_TC(1_singleinit);
53 ATF_TC_HEAD(1_singleinit, env)
54 {
55 	atf_tc_set_md_var(env, "descr", "Create an instance");
56 }
57 ATF_TC_BODY(1_singleinit, dummy)
58 {
59 	struct libalias *la;
60 
61 	la = LibAliasInit(NULL);
62 	ATF_CHECK_MSG(la != NULL, "Creating an instance failed.");
63 	LibAliasUninit(la);
64 }
65 
66 ATF_TC(3_multiinit);
67 ATF_TC_HEAD(3_multiinit, env)
68 {
69 	atf_tc_set_md_var(env, "descr", "Recreate an instance multiple times");
70 }
71 ATF_TC_BODY(3_multiinit, dummy)
72 {
73 	struct libalias *la;
74 	int i;
75 
76 	la = LibAliasInit(NULL);
77 	for(i = 1; i < 30; i++) {
78 		struct libalias *lo = la;
79 
80 		la = LibAliasInit(la);
81 		ATF_CHECK_MSG(la == lo, "Recreating moved the instance around: %d", i);
82 	}
83 	LibAliasUninit(la);
84 }
85 
86 ATF_TC(4_multiinstance);
87 ATF_TC_HEAD(4_multiinstance, env)
88 {
89 	atf_tc_set_md_var(env, "descr", "Create and destoy multiple instances.");
90 }
91 ATF_TC_BODY(4_multiinstance, dummy)
92 {
93 	struct libalias *la[300];
94 	int const num_instances = sizeof(la) / sizeof(*la);
95 	int i;
96 
97 	for (i = 0; i < num_instances; i++) {
98 		la[i] = LibAliasInit(NULL);
99 		ATF_CHECK_MSG(la[i] != NULL, "Creating instance %d failed.", i);
100 	}
101 
102 	qsort(la, num_instances, sizeof(*la), randcmp);
103 
104 	for (i = 0; i < num_instances; i++)
105 		LibAliasUninit(la[i]);
106 }
107 
108 ATF_TP_ADD_TCS(instance)
109 {
110 	/* Use "dd if=/dev/random bs=2 count=1 | od -x" to reproduce */
111 	srand(0x5ac4);
112 
113 	ATF_TP_ADD_TC(instance, 2_destroynull);
114 	ATF_TP_ADD_TC(instance, 1_singleinit);
115 	ATF_TP_ADD_TC(instance, 3_multiinit);
116 	ATF_TP_ADD_TC(instance, 4_multiinstance);
117 
118 	return atf_no_error();
119 }
120