1 /* $NetBSD: t_pslist.c,v 1.1 2016/04/09 04:39:47 riastradh Exp $ */
2
3 /*-
4 * Copyright (c) 2016 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Taylor R. Campbell.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/pslist.h>
33
34 #include <atf-c.h>
35
36 /*
37 * XXX This is a limited test to make sure the operations behave as
38 * described on a sequential machine. It does nothing to test the
39 * pserialize-safety of any operations.
40 */
41
42 ATF_TC(misc);
ATF_TC_HEAD(misc,tc)43 ATF_TC_HEAD(misc, tc)
44 {
45 atf_tc_set_md_var(tc, "descr", "pserialize-safe list tests");
46 }
ATF_TC_BODY(misc,tc)47 ATF_TC_BODY(misc, tc)
48 {
49 struct pslist_head h = PSLIST_INITIALIZER;
50 struct element {
51 unsigned i;
52 struct pslist_entry entry;
53 } elements[] = {
54 { .i = 0, .entry = PSLIST_ENTRY_INITIALIZER },
55 { .i = 1 },
56 { .i = 2 },
57 { .i = 3 },
58 { .i = 4 },
59 { .i = 5 },
60 { .i = 6 },
61 { .i = 7 },
62 };
63 struct element *element;
64 unsigned i;
65
66 /* Check PSLIST_INITIALIZER is destroyable. */
67 PSLIST_DESTROY(&h);
68 PSLIST_INIT(&h);
69
70 /* Check PSLIST_ENTRY_INITIALIZER is destroyable. */
71 PSLIST_ENTRY_DESTROY(&elements[0], entry);
72
73 for (i = 0; i < __arraycount(elements); i++)
74 PSLIST_ENTRY_INIT(&elements[i], entry);
75
76 PSLIST_WRITER_INSERT_HEAD(&h, &elements[4], entry);
77 PSLIST_WRITER_INSERT_BEFORE(&elements[4], &elements[2], entry);
78 PSLIST_WRITER_INSERT_BEFORE(&elements[4], &elements[3], entry);
79 PSLIST_WRITER_INSERT_BEFORE(&elements[2], &elements[1], entry);
80 PSLIST_WRITER_INSERT_HEAD(&h, &elements[0], entry);
81 PSLIST_WRITER_INSERT_AFTER(&elements[4], &elements[5], entry);
82 PSLIST_WRITER_INSERT_AFTER(&elements[5], &elements[7], entry);
83 PSLIST_WRITER_INSERT_AFTER(&elements[5], &elements[6], entry);
84
85 PSLIST_WRITER_REMOVE(&elements[0], entry);
86 ATF_CHECK(elements[0].entry.ple_next != NULL);
87 PSLIST_ENTRY_DESTROY(&elements[0], entry);
88
89 PSLIST_WRITER_REMOVE(&elements[4], entry);
90 ATF_CHECK(elements[4].entry.ple_next != NULL);
91 PSLIST_ENTRY_DESTROY(&elements[4], entry);
92
93 PSLIST_ENTRY_INIT(&elements[0], entry);
94 PSLIST_WRITER_INSERT_HEAD(&h, &elements[0], entry);
95
96 PSLIST_ENTRY_INIT(&elements[4], entry);
97 PSLIST_WRITER_INSERT_AFTER(&elements[3], &elements[4], entry);
98
99 i = 0;
100 PSLIST_WRITER_FOREACH(element, &h, struct element, entry) {
101 ATF_CHECK_EQ(i, element->i);
102 i++;
103 }
104 i = 0;
105 PSLIST_READER_FOREACH(element, &h, struct element, entry) {
106 ATF_CHECK_EQ(i, element->i);
107 i++;
108 }
109
110 while ((element = PSLIST_WRITER_FIRST(&h, struct element, entry))
111 != NULL) {
112 PSLIST_WRITER_REMOVE(element, entry);
113 PSLIST_ENTRY_DESTROY(element, entry);
114 }
115
116 PSLIST_DESTROY(&h);
117 }
118
ATF_TP_ADD_TCS(tp)119 ATF_TP_ADD_TCS(tp)
120 {
121
122 ATF_TP_ADD_TC(tp, misc);
123
124 return atf_no_error();
125 }
126