1 /* $NetBSD: t_list.c,v 1.3 2024/07/10 20:52:32 rillig Exp $ */
2
3 /*-
4 * Copyright (c) 2017 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Paul Goyette
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 <stdlib.h>
33 #include <string.h>
34
35 #include <sys/queue.h>
36
37 #include <atf-c.h>
38
39 /*
40 * XXX This is a limited test to make sure the operations behave as
41 * described on a sequential machine. It does nothing to test the
42 * pserialize-safety of any operations.
43 */
44
45 ATF_TC(list_move);
ATF_TC_HEAD(list_move,tc)46 ATF_TC_HEAD(list_move, tc)
47 {
48 atf_tc_set_md_var(tc, "descr", "LIST_MOVE verification");
49 }
ATF_TC_BODY(list_move,tc)50 ATF_TC_BODY(list_move, tc)
51 {
52 LIST_HEAD(listhead, entry) old_head, new_head, old_copy;
53 struct entry {
54 LIST_ENTRY(entry) entries;
55 uint64_t value;
56 } *n1, *n2, *n3;
57
58 LIST_INIT(&old_head);
59
60 n1 = malloc(sizeof(struct entry));
61 n1->value = 1;
62 LIST_INSERT_HEAD(&old_head, n1, entries);
63
64 n2 = malloc(sizeof(struct entry));
65 n2->value = 2;
66 LIST_INSERT_HEAD(&old_head, n2, entries);
67
68 LIST_MOVE(&old_head, &new_head, entries);
69
70 memcpy(&old_copy, &old_head, sizeof(old_head));
71
72 n3 = LIST_FIRST(&new_head);
73 ATF_CHECK_MSG(n3->value == 2, "Unexpected value for LIST_FIRST");
74
75 LIST_REMOVE(n3, entries);
76 ATF_CHECK_MSG(memcmp(&old_copy, &old_head, sizeof(old_head)) == 0,
77 "Unexpected modification of old_head during LIST_REMOVE");
78
79 LIST_REMOVE(LIST_FIRST(&new_head), entries);
80 ATF_CHECK_MSG(LIST_EMPTY(&new_head), "New list not empty!");
81 }
82
ATF_TP_ADD_TCS(tp)83 ATF_TP_ADD_TCS(tp)
84 {
85
86 ATF_TP_ADD_TC(tp, list_move);
87
88 return atf_no_error();
89 }
90