NetBSD/tests/include/sys/t_list.c

90 lines
2.8 KiB
C

/* $NetBSD: t_list.c,v 1.2 2017/10/02 05:14:29 pgoyette Exp $ */
/*-
* Copyright (c) 2017 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Paul Goyette
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <string.h>
#include <sys/queue.h>
#include <atf-c.h>
/*
* XXX This is a limited test to make sure the operations behave as
* described on a sequential machine. It does nothing to test the
* pserialize-safety of any operations.
*/
ATF_TC(list_move);
ATF_TC_HEAD(list_move, tc)
{
atf_tc_set_md_var(tc, "descr", "LIST_MOVE verification");
}
ATF_TC_BODY(list_move, tc)
{
LIST_HEAD(listhead, entry) old_head, new_head, old_copy;
struct entry {
LIST_ENTRY(entry) entries;
uint64_t value;
} *n1, *n2, *n3;
LIST_INIT(&old_head);
n1 = malloc(sizeof(struct entry));
n1->value = 1;
LIST_INSERT_HEAD(&old_head, n1, entries);
n2 = malloc(sizeof(struct entry));
n2->value = 2;
LIST_INSERT_HEAD(&old_head, n2, entries);
LIST_MOVE(&old_head, &new_head, entries);
memcpy(&old_copy, &old_head, sizeof(old_head));
n3 = LIST_FIRST(&new_head);
ATF_CHECK_MSG(n3->value = 2, "Unexpected value for LIST_FIRST");
LIST_REMOVE(n3, entries);
ATF_CHECK_MSG(memcmp(&old_copy, &old_head, sizeof(old_head)) == 0,
"Unexpected modification of old_head during LIST_REMOVE");
LIST_REMOVE(LIST_FIRST(&new_head), entries);
ATF_CHECK_MSG(LIST_EMPTY(&new_head), "New list not empty!");
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, list_move);
return atf_no_error();
}