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
41ATF_TC(2_destroynull);
42ATF_TC_HEAD(2_destroynull, env)
43{
44	atf_tc_set_md_var(env, "descr", "Destroy the NULL instance");
45}
46ATF_TC_BODY(2_destroynull, dummy)
47{
48	atf_tc_expect_death("Code expects valid pointer.");
49	LibAliasUninit(NULL);
50}
51
52ATF_TC(1_singleinit);
53ATF_TC_HEAD(1_singleinit, env)
54{
55	atf_tc_set_md_var(env, "descr", "Create an instance");
56}
57ATF_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
66ATF_TC(3_multiinit);
67ATF_TC_HEAD(3_multiinit, env)
68{
69	atf_tc_set_md_var(env, "descr", "Recreate an instance multiple times");
70}
71ATF_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
86ATF_TC(4_multiinstance);
87ATF_TC_HEAD(4_multiinstance, env)
88{
89	atf_tc_set_md_var(env, "descr", "Create and destoy multiple instances.");
90}
91ATF_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
108ATF_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