1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 34 #include <atf-c.h> 35 36 #include "../utils.h" 37 38 /* 39 * Test cases. 40 */ 41 42 ATF_TC_WITHOUT_HEAD(aligned_even_length_big_endian); 43 ATF_TC_BODY(aligned_even_length_big_endian, tc) 44 { 45 u_char data[] __aligned(sizeof(u_short)) = 46 {0x12, 0x34, 0x56, 0x78}; 47 u_short sum; 48 49 sum = in_cksum(data, nitems(data)); 50 ATF_REQUIRE(sum == 0x5397); 51 } 52 53 ATF_TC_WITHOUT_HEAD(aligned_odd_length_big_endian); 54 ATF_TC_BODY(aligned_odd_length_big_endian, tc) 55 { 56 u_char data[] __aligned(sizeof(u_short)) = 57 {0x12, 0x34, 0x56, 0x78, 0x9a}; 58 u_short sum; 59 60 sum = in_cksum(data, nitems(data)); 61 ATF_REQUIRE(sum == 0x52fd); 62 } 63 64 ATF_TC_WITHOUT_HEAD(aligned_even_length_little_endian); 65 ATF_TC_BODY(aligned_even_length_little_endian, tc) 66 { 67 u_char data[] __aligned(sizeof(u_short)) = 68 {0x34, 0x12, 0x78, 0x56}; 69 u_short sum; 70 71 sum = in_cksum(data, nitems(data)); 72 ATF_REQUIRE_MSG(sum == 0x9753, "%d", sum); 73 } 74 75 ATF_TC_WITHOUT_HEAD(aligned_odd_length_little_endian); 76 ATF_TC_BODY(aligned_odd_length_little_endian, tc) 77 { 78 u_char data[] __aligned(sizeof(u_short)) = 79 {0x34, 0x12, 0x78, 0x56, 0x00, 0x9a}; 80 u_short sum; 81 82 sum = in_cksum(data, nitems(data)); 83 ATF_REQUIRE(sum == 0xfd52); 84 } 85 86 ATF_TC_WITHOUT_HEAD(unaligned_even_length_big_endian); 87 ATF_TC_BODY(unaligned_even_length_big_endian, tc) 88 { 89 u_char data[] __aligned(sizeof(u_short)) = 90 {0x00, 0x12, 0x34, 0x56, 0x78}; 91 u_short sum; 92 93 sum = in_cksum(data + 1, nitems(data) - 1); 94 ATF_REQUIRE(sum == 0x5397); 95 } 96 97 ATF_TC_WITHOUT_HEAD(unaligned_odd_length_big_endian); 98 ATF_TC_BODY(unaligned_odd_length_big_endian, tc) 99 { 100 u_char data[] __aligned(sizeof(u_short)) = 101 {0x00, 0x12, 0x34, 0x56, 0x78, 0x9a}; 102 u_short sum; 103 104 sum = in_cksum(data + 1, nitems(data) - 1); 105 ATF_REQUIRE(sum == 0x52fd); 106 } 107 108 ATF_TC_WITHOUT_HEAD(unaligned_even_length_little_endian); 109 ATF_TC_BODY(unaligned_even_length_little_endian, tc) 110 { 111 u_char data[] __aligned(sizeof(u_short)) = 112 {0x00, 0x34, 0x12, 0x78, 0x56}; 113 u_short sum; 114 115 sum = in_cksum(data + 1, nitems(data) - 1); 116 ATF_REQUIRE_MSG(sum == 0x9753, "%d", sum); 117 } 118 119 ATF_TC_WITHOUT_HEAD(unaligned_odd_length_little_endian); 120 ATF_TC_BODY(unaligned_odd_length_little_endian, tc) 121 { 122 u_char data[] __aligned(sizeof(u_short)) = 123 {0x00, 0x34, 0x12, 0x78, 0x56, 0x00, 0x9a}; 124 u_short sum; 125 126 sum = in_cksum(data + 1, nitems(data) - 1); 127 ATF_REQUIRE(sum == 0xfd52); 128 } 129 130 /* 131 * Main. 132 */ 133 134 ATF_TP_ADD_TCS(tp) 135 { 136 ATF_TP_ADD_TC(tp, aligned_even_length_big_endian); 137 ATF_TP_ADD_TC(tp, aligned_odd_length_big_endian); 138 ATF_TP_ADD_TC(tp, aligned_even_length_little_endian); 139 ATF_TP_ADD_TC(tp, aligned_odd_length_little_endian); 140 ATF_TP_ADD_TC(tp, unaligned_even_length_big_endian); 141 ATF_TP_ADD_TC(tp, unaligned_odd_length_big_endian); 142 ATF_TP_ADD_TC(tp, unaligned_even_length_little_endian); 143 ATF_TP_ADD_TC(tp, unaligned_odd_length_little_endian); 144 145 return (atf_no_error()); 146 } 147