1 /* $NetBSD: t_abs.c,v 1.3 2014/03/01 22:38:13 joerg Exp $ */ 2 3 /*- 4 * Copyright (c) 2012 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jukka Ruohonen. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 #include <sys/cdefs.h> 32 __RCSID("$NetBSD: t_abs.c,v 1.3 2014/03/01 22:38:13 joerg Exp $"); 33 34 #include <atf-c.h> 35 #include <inttypes.h> 36 #include <limits.h> 37 #include <stdlib.h> 38 39 ATF_TC(abs_basic); 40 ATF_TC_HEAD(abs_basic, tc) 41 { 42 atf_tc_set_md_var(tc, "descr", "Test that abs(3) works"); 43 } 44 45 ATF_TC_BODY(abs_basic, tc) 46 { 47 static const struct { 48 int val; 49 int res; 50 } table[] = { 51 { 0, 0 }, 52 { +0, 0 }, 53 { -0, 0 }, 54 { -0x1010, 0x1010 }, 55 { INT_MAX, INT_MAX }, 56 { -INT_MAX, INT_MAX }, 57 }; 58 59 for (size_t i = 0; i < __arraycount(table); i++) 60 ATF_CHECK(abs(table[i].val) == table[i].res); 61 } 62 63 ATF_TC(imaxabs_basic); 64 ATF_TC_HEAD(imaxabs_basic, tc) 65 { 66 atf_tc_set_md_var(tc, "descr", "Test that imaxabs(3) works"); 67 } 68 69 ATF_TC_BODY(imaxabs_basic, tc) 70 { 71 static const struct { 72 intmax_t val; 73 intmax_t res; 74 } table[] = { 75 { 0, 0 }, 76 { INT_MAX, INT_MAX }, 77 { -INT_MAX, INT_MAX }, 78 { LONG_MAX, LONG_MAX }, 79 { -LONG_MAX, LONG_MAX }, 80 { LLONG_MAX, LLONG_MAX }, 81 { -LLONG_MAX, LLONG_MAX }, 82 { INT_MAX, INT_MAX }, 83 { -INT_MAX, INT_MAX }, 84 }; 85 86 for (size_t i = 0; i < __arraycount(table); i++) 87 ATF_CHECK(imaxabs(table[i].val) == table[i].res); 88 } 89 90 ATF_TC(labs_basic); 91 ATF_TC_HEAD(labs_basic, tc) 92 { 93 atf_tc_set_md_var(tc, "descr", "Test that labs(3) works"); 94 } 95 96 ATF_TC_BODY(labs_basic, tc) 97 { 98 static const struct { 99 long val; 100 long res; 101 } table[] = { 102 { 0, 0 }, 103 { +0, 0 }, 104 { -0, 0 }, 105 { -1, 1 }, 106 { LONG_MAX, LONG_MAX }, 107 { -LONG_MAX, LONG_MAX }, 108 { INT_MAX, INT_MAX }, 109 { -INT_MAX, INT_MAX }, 110 }; 111 112 for (size_t i = 0; i < __arraycount(table); i++) 113 ATF_CHECK(labs(table[i].val) == table[i].res); 114 } 115 116 ATF_TC(llabs_basic); 117 ATF_TC_HEAD(llabs_basic, tc) 118 { 119 atf_tc_set_md_var(tc, "descr", "Test that llabs(3) works"); 120 } 121 122 ATF_TC_BODY(llabs_basic, tc) 123 { 124 static const struct { 125 long long val; 126 long long res; 127 } table[] = { 128 { 0, 0 }, 129 { +0, 0 }, 130 { -0, 0 }, 131 { -1, 1 }, 132 { INT_MAX, INT_MAX }, 133 { -INT_MAX, INT_MAX }, 134 { LONG_MAX, LONG_MAX }, 135 { -LONG_MAX, LONG_MAX }, 136 { LLONG_MAX, LLONG_MAX }, 137 { -LLONG_MAX, LLONG_MAX }, 138 { -0x100000000LL, 0x100000000LL }, 139 }; 140 141 for (size_t i = 0; i < __arraycount(table); i++) 142 ATF_CHECK(llabs(table[i].val) == table[i].res); 143 } 144 145 ATF_TP_ADD_TCS(tp) 146 { 147 148 ATF_TP_ADD_TC(tp, abs_basic); 149 ATF_TP_ADD_TC(tp, imaxabs_basic); 150 ATF_TP_ADD_TC(tp, labs_basic); 151 ATF_TP_ADD_TC(tp, llabs_basic); 152 153 return atf_no_error(); 154 } 155