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/cdefs.h> 30 #include <sys/param.h> 31 32 #include <atf-c.h> 33 34 #include "../utils.h" 35 36 /* 37 * Test cases. 38 */ 39 40 ATF_TC_WITHOUT_HEAD(aligned_even_length); 41 ATF_TC_BODY(aligned_even_length, tc) 42 { 43 u_char data[] __aligned(sizeof(u_short)) = 44 {0x12, 0x34, 0x56, 0x78}; 45 u_short sum; 46 47 sum = in_cksum(data, nitems(data)); 48 u_char *c_sum = (u_char *)∑ 49 ATF_REQUIRE(c_sum[0] == 0x97 && c_sum[1] == 0x53); 50 } 51 52 ATF_TC_WITHOUT_HEAD(aligned_odd_length); 53 ATF_TC_BODY(aligned_odd_length, tc) 54 { 55 u_char data[] __aligned(sizeof(u_short)) = 56 {0x12, 0x34, 0x56, 0x78, 0x9a}; 57 u_short sum; 58 59 sum = in_cksum(data, nitems(data)); 60 u_char *c_sum = (u_char *)∑ 61 ATF_REQUIRE(c_sum[0] == 0xfd && c_sum[1] == 0x52); 62 } 63 64 ATF_TC_WITHOUT_HEAD(unaligned_even_length); 65 ATF_TC_BODY(unaligned_even_length, tc) 66 { 67 u_char data[] __aligned(sizeof(u_short)) = 68 {0x00, 0x12, 0x34, 0x56, 0x78}; 69 u_short sum; 70 71 sum = in_cksum(data + 1, nitems(data) - 1); 72 u_char *c_sum = (u_char *)∑ 73 ATF_REQUIRE(c_sum[0] == 0x97 && c_sum[1] == 0x53); 74 } 75 76 ATF_TC_WITHOUT_HEAD(unaligned_odd_length); 77 ATF_TC_BODY(unaligned_odd_length, tc) 78 { 79 u_char data[] __aligned(sizeof(u_short)) = 80 {0x00, 0x12, 0x34, 0x56, 0x78, 0x9a}; 81 u_short sum; 82 83 sum = in_cksum(data + 1, nitems(data) - 1); 84 u_char *c_sum = (u_char *)∑ 85 ATF_REQUIRE(c_sum[0] == 0xfd && c_sum[1] == 0x52); 86 } 87 88 /* 89 * Main. 90 */ 91 92 ATF_TP_ADD_TCS(tp) 93 { 94 ATF_TP_ADD_TC(tp, aligned_even_length); 95 ATF_TP_ADD_TC(tp, aligned_odd_length); 96 ATF_TP_ADD_TC(tp, unaligned_even_length); 97 ATF_TP_ADD_TC(tp, unaligned_odd_length); 98 99 return (atf_no_error()); 100 } 101