1 /* $NetBSD: t_abs.c,v 1.1 2012/03/29 06:16:56 jruoho 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 1.1 2012/03/29 06:16:56 jruoho Exp $"); 33 34 #include <atf-c.h> 35 #include <inttypes.h> 36 #include <limits.h> 37 #include <stdlib.h> 38 39 struct test { 40 int64_t val; 41 int64_t res; 42 }; 43 44 ATF_TC(abs_basic); 45 ATF_TC_HEAD(abs_basic, tc) 46 { 47 atf_tc_set_md_var(tc, "descr", "Test that abs(3) works"); 48 } 49 50 ATF_TC_BODY(abs_basic, tc) 51 { 52 static const struct test table[] = { 53 { 0, 0 }, 54 { +0, 0 }, 55 { -0, 0 }, 56 { -0x1010, 0x1010 }, 57 { INT_MAX, INT_MAX }, 58 { -INT_MAX, INT_MAX }, 59 }; 60 61 for (size_t i = 0; i < __arraycount(table); i++) 62 ATF_CHECK(abs(table[i].val) == (int)table[i].res); 63 } 64 65 ATF_TC(imaxabs_basic); 66 ATF_TC_HEAD(imaxabs_basic, tc) 67 { 68 atf_tc_set_md_var(tc, "descr", "Test that imaxabs(3) works"); 69 } 70 71 ATF_TC_BODY(imaxabs_basic, tc) 72 { 73 static const struct test table[] = { 74 { 0, 0 }, 75 { INT_MAX, INT_MAX }, 76 { -INT_MAX, INT_MAX }, 77 }; 78 79 for (size_t i = 0; i < __arraycount(table); i++) 80 ATF_CHECK(imaxabs(table[i].val) == (intmax_t)table[i].res); 81 } 82 83 ATF_TC(labs_basic); 84 ATF_TC_HEAD(labs_basic, tc) 85 { 86 atf_tc_set_md_var(tc, "descr", "Test that labs(3) works"); 87 } 88 89 ATF_TC_BODY(labs_basic, tc) 90 { 91 static const struct test table[] = { 92 { 0, 0 }, 93 { +0, 0 }, 94 { -0, 0 }, 95 { -1, 1 }, 96 { LONG_MAX, LONG_MAX }, 97 { -LONG_MAX, LONG_MAX }, 98 { -0x100000000, 0x100000000 }, 99 }; 100 101 for (size_t i = 0; i < __arraycount(table); i++) 102 ATF_CHECK(labs(table[i].val) == (long int)table[i].res); 103 } 104 105 ATF_TC(llabs_basic); 106 ATF_TC_HEAD(llabs_basic, tc) 107 { 108 atf_tc_set_md_var(tc, "descr", "Test that llabs(3) works"); 109 } 110 111 ATF_TC_BODY(llabs_basic, tc) 112 { 113 static const struct test table[] = { 114 { 0, 0 }, 115 { +0, 0 }, 116 { -0, 0 }, 117 { -1, 1 }, 118 { LLONG_MAX, LLONG_MAX }, 119 { -LLONG_MAX, LLONG_MAX }, 120 { -0x100000000, 0x100000000 }, 121 }; 122 123 for (size_t i = 0; i < __arraycount(table); i++) 124 ATF_CHECK(llabs(table[i].val) == (long long int)table[i].res); 125 } 126 127 ATF_TP_ADD_TCS(tp) 128 { 129 130 ATF_TP_ADD_TC(tp, abs_basic); 131 ATF_TP_ADD_TC(tp, imaxabs_basic); 132 ATF_TP_ADD_TC(tp, labs_basic); 133 ATF_TP_ADD_TC(tp, llabs_basic); 134 135 return atf_no_error(); 136 } 137