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/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (C) 2019 Jan Sucan <jansucan@FreeBSD.org>
* All rights reserved.
*
* 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 AUTHOR 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 AUTHOR 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 <sys/cdefs.h>
#include <sys/param.h>
#include <atf-c.h>
#include "../utils.h"
/*
* Test cases.
*/
ATF_TC_WITHOUT_HEAD(aligned_even_length);
ATF_TC_BODY(aligned_even_length, tc)
{
u_char data[] __aligned(sizeof(u_short)) =
{0x12, 0x34, 0x56, 0x78};
u_short sum;
sum = in_cksum(data, nitems(data));
u_char *c_sum = (u_char *)∑
ATF_REQUIRE(c_sum[0] == 0x97 && c_sum[1] == 0x53);
}
ATF_TC_WITHOUT_HEAD(aligned_odd_length);
ATF_TC_BODY(aligned_odd_length, tc)
{
u_char data[] __aligned(sizeof(u_short)) =
{0x12, 0x34, 0x56, 0x78, 0x9a};
u_short sum;
sum = in_cksum(data, nitems(data));
u_char *c_sum = (u_char *)∑
ATF_REQUIRE(c_sum[0] == 0xfd && c_sum[1] == 0x52);
}
ATF_TC_WITHOUT_HEAD(unaligned_even_length);
ATF_TC_BODY(unaligned_even_length, tc)
{
u_char data[] __aligned(sizeof(u_short)) =
{0x00, 0x12, 0x34, 0x56, 0x78};
u_short sum;
sum = in_cksum(data + 1, nitems(data) - 1);
u_char *c_sum = (u_char *)∑
ATF_REQUIRE(c_sum[0] == 0x97 && c_sum[1] == 0x53);
}
ATF_TC_WITHOUT_HEAD(unaligned_odd_length);
ATF_TC_BODY(unaligned_odd_length, tc)
{
u_char data[] __aligned(sizeof(u_short)) =
{0x00, 0x12, 0x34, 0x56, 0x78, 0x9a};
u_short sum;
sum = in_cksum(data + 1, nitems(data) - 1);
u_char *c_sum = (u_char *)∑
ATF_REQUIRE(c_sum[0] == 0xfd && c_sum[1] == 0x52);
}
/*
* Main.
*/
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, aligned_even_length);
ATF_TP_ADD_TC(tp, aligned_odd_length);
ATF_TP_ADD_TC(tp, unaligned_even_length);
ATF_TP_ADD_TC(tp, unaligned_odd_length);
return (atf_no_error());
}
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