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); 43 ATF_TC_BODY(aligned_even_length, 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 u_char *c_sum = (u_char *)∑ 51 ATF_REQUIRE(c_sum[0] == 0x97 && c_sum[1] == 0x53); 52 } 53 54 ATF_TC_WITHOUT_HEAD(aligned_odd_length); 55 ATF_TC_BODY(aligned_odd_length, tc) 56 { 57 u_char data[] __aligned(sizeof(u_short)) = 58 {0x12, 0x34, 0x56, 0x78, 0x9a}; 59 u_short sum; 60 61 sum = in_cksum(data, nitems(data)); 62 u_char *c_sum = (u_char *)∑ 63 ATF_REQUIRE(c_sum[0] == 0xfd && c_sum[1] == 0x52); 64 } 65 66 ATF_TC_WITHOUT_HEAD(unaligned_even_length); 67 ATF_TC_BODY(unaligned_even_length, tc) 68 { 69 u_char data[] __aligned(sizeof(u_short)) = 70 {0x00, 0x12, 0x34, 0x56, 0x78}; 71 u_short sum; 72 73 sum = in_cksum(data + 1, nitems(data) - 1); 74 u_char *c_sum = (u_char *)∑ 75 ATF_REQUIRE(c_sum[0] == 0x97 && c_sum[1] == 0x53); 76 } 77 78 ATF_TC_WITHOUT_HEAD(unaligned_odd_length); 79 ATF_TC_BODY(unaligned_odd_length, tc) 80 { 81 u_char data[] __aligned(sizeof(u_short)) = 82 {0x00, 0x12, 0x34, 0x56, 0x78, 0x9a}; 83 u_short sum; 84 85 sum = in_cksum(data + 1, nitems(data) - 1); 86 u_char *c_sum = (u_char *)∑ 87 ATF_REQUIRE(c_sum[0] == 0xfd && c_sum[1] == 0x52); 88 } 89 90 /* 91 * Main. 92 */ 93 94 ATF_TP_ADD_TCS(tp) 95 { 96 ATF_TP_ADD_TC(tp, aligned_even_length); 97 ATF_TP_ADD_TC(tp, aligned_odd_length); 98 ATF_TP_ADD_TC(tp, unaligned_even_length); 99 ATF_TP_ADD_TC(tp, unaligned_odd_length); 100 101 return (atf_no_error()); 102 } 103