1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (C) 2019 Jan Sucan <jansucan@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 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 copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/param.h> 30 31 #include <atf-c.h> 32 33 #include "../utils.h" 34 35 /* 36 * Test cases. 37 */ 38 39 ATF_TC_WITHOUT_HEAD(aligned_even_length); 40 ATF_TC_BODY(aligned_even_length, tc) 41 { 42 u_char data[] __aligned(sizeof(u_short)) = 43 {0x12, 0x34, 0x56, 0x78}; 44 u_short sum; 45 46 sum = in_cksum(data, nitems(data)); 47 u_char *c_sum = (u_char *)∑ 48 ATF_REQUIRE(c_sum[0] == 0x97 && c_sum[1] == 0x53); 49 } 50 51 ATF_TC_WITHOUT_HEAD(aligned_odd_length); 52 ATF_TC_BODY(aligned_odd_length, tc) 53 { 54 u_char data[] __aligned(sizeof(u_short)) = 55 {0x12, 0x34, 0x56, 0x78, 0x9a}; 56 u_short sum; 57 58 sum = in_cksum(data, nitems(data)); 59 u_char *c_sum = (u_char *)∑ 60 ATF_REQUIRE(c_sum[0] == 0xfd && c_sum[1] == 0x52); 61 } 62 63 ATF_TC_WITHOUT_HEAD(unaligned_even_length); 64 ATF_TC_BODY(unaligned_even_length, tc) 65 { 66 u_char data[] __aligned(sizeof(u_short)) = 67 {0x00, 0x12, 0x34, 0x56, 0x78}; 68 u_short sum; 69 70 sum = in_cksum(data + 1, nitems(data) - 1); 71 u_char *c_sum = (u_char *)∑ 72 ATF_REQUIRE(c_sum[0] == 0x97 && c_sum[1] == 0x53); 73 } 74 75 ATF_TC_WITHOUT_HEAD(unaligned_odd_length); 76 ATF_TC_BODY(unaligned_odd_length, tc) 77 { 78 u_char data[] __aligned(sizeof(u_short)) = 79 {0x00, 0x12, 0x34, 0x56, 0x78, 0x9a}; 80 u_short sum; 81 82 sum = in_cksum(data + 1, nitems(data) - 1); 83 u_char *c_sum = (u_char *)∑ 84 ATF_REQUIRE(c_sum[0] == 0xfd && c_sum[1] == 0x52); 85 } 86 87 /* 88 * Main. 89 */ 90 91 ATF_TP_ADD_TCS(tp) 92 { 93 ATF_TP_ADD_TC(tp, aligned_even_length); 94 ATF_TP_ADD_TC(tp, aligned_odd_length); 95 ATF_TP_ADD_TC(tp, unaligned_even_length); 96 ATF_TP_ADD_TC(tp, unaligned_odd_length); 97 98 return (atf_no_error()); 99 } 100