t_c16rtomb.c revision 1.2
1 /* $NetBSD: t_c16rtomb.c,v 1.2 2024/08/17 21:31:22 riastradh Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 Tim J. Robbins 5 * All rights reserved. 6 * 7 * Copyright (c) 2013 Ed Schouten <ed (at) FreeBSD.org> 8 * All rights reserved. 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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 /* 32 * Test program for c16rtomb() as specified by ISO/IEC 9899:2011. 33 */ 34 35 #include <sys/cdefs.h> 36 __RCSID("$NetBSD: t_c16rtomb.c,v 1.2 2024/08/17 21:31:22 riastradh Exp $"); 37 38 #include <errno.h> 39 #include <limits.h> 40 #include <locale.h> 41 #include <stdio.h> 42 #include <string.h> 43 #include <uchar.h> 44 45 #include <atf-c.h> 46 47 static void 48 require_lc_ctype(const char *locale_name) 49 { 50 char *lc_ctype_set; 51 52 lc_ctype_set = setlocale(LC_CTYPE, locale_name); 53 if (lc_ctype_set == NULL) 54 atf_tc_fail("setlocale(LC_CTYPE, \"%s\") failed; errno=%d", 55 locale_name, errno); 56 57 ATF_REQUIRE_EQ_MSG(strcmp(lc_ctype_set, locale_name), 0, 58 "lc_ctype_set=%s locale_name=%s", lc_ctype_set, locale_name); 59 } 60 61 static mbstate_t s; 62 static char buf[MB_LEN_MAX + 1]; 63 64 ATF_TC_WITHOUT_HEAD(c16rtomb_c_locale_test); 65 ATF_TC_BODY(c16rtomb_c_locale_test, tc) 66 { 67 size_t n; 68 69 require_lc_ctype("C"); 70 71 /* 72 * If the buffer argument is NULL, c16 is implicitly 0, 73 * c16rtomb() resets its internal state. 74 */ 75 ATF_CHECK_EQ_MSG((n = c16rtomb(NULL, L'\0', NULL)), 1, "n=%zu", n); 76 ATF_CHECK_EQ_MSG((n = c16rtomb(NULL, 0xdc00, NULL)), 1, "n=%zu", n); 77 78 /* Null wide character. */ 79 memset(&s, 0, sizeof(s)); 80 memset(buf, 0xcc, sizeof(buf)); 81 ATF_CHECK_EQ_MSG((n = c16rtomb(buf, 0, &s)), 1, "n=%zu", n); 82 ATF_CHECK_MSG(((unsigned char)buf[0] == 0 && 83 (unsigned char)buf[1] == 0xcc), 84 "buf=[%02x %02x]", buf[0], buf[1]); 85 86 /* Latin letter A, internal state. */ 87 ATF_CHECK_EQ_MSG((n = c16rtomb(NULL, L'\0', NULL)), 1, "n=%zu", n); 88 ATF_CHECK_EQ_MSG((n = c16rtomb(NULL, L'A', NULL)), 1, "n=%zu", n); 89 90 /* Latin letter A. */ 91 memset(&s, 0, sizeof(s)); 92 memset(buf, 0xcc, sizeof(buf)); 93 ATF_CHECK_EQ_MSG((n = c16rtomb(buf, L'A', &s)), 1, "n=%zu", n); 94 ATF_CHECK_MSG(((unsigned char)buf[0] == 'A' && 95 (unsigned char)buf[1] == 0xcc), 96 "buf=[%02x %02x]", buf[0], buf[1]); 97 98 /* Unicode character 'Pile of poo'. */ 99 memset(&s, 0, sizeof(s)); 100 memset(buf, 0xcc, sizeof(buf)); 101 ATF_CHECK_EQ_MSG((n = c16rtomb(buf, 0xd83d, &s)), 0, "n=%zu", n); 102 ATF_CHECK_EQ_MSG((n = c16rtomb(buf, 0xdca9, &s)), (size_t)-1, 103 "n=%zu", n); 104 ATF_CHECK_EQ_MSG(errno, EILSEQ, "errno=%d", errno); 105 ATF_CHECK_EQ_MSG((unsigned char)buf[0], 0xcc, "buf=[%02x]", buf[0]); 106 107 /* Incomplete Unicode character 'Pile of poo', interrupted by NUL. */ 108 memset(&s, 0, sizeof(s)); 109 memset(buf, 0xcc, sizeof(buf)); 110 ATF_CHECK_EQ_MSG((n = c16rtomb(buf, 0xd83d, &s)), 0, "n=%zu", n); 111 atf_tc_expect_fail("PR lib/58615:" 112 " incomplete c8rtomb, c16rtomb handles NUL termination wrong"); 113 ATF_CHECK_EQ_MSG((n = c16rtomb(buf, L'\0', &s)), 1, "n=%zu", n); 114 ATF_CHECK_MSG(((unsigned char)buf[0] == '\0' && 115 (unsigned char)buf[1] == 0xcc), 116 "buf=[%02x %02x]", buf[0], buf[1]); 117 } 118 119 ATF_TC_WITHOUT_HEAD(c16rtomb_iso_8859_1_test); 120 ATF_TC_BODY(c16rtomb_iso_8859_1_test, tc) 121 { 122 size_t n; 123 124 require_lc_ctype("en_US.ISO8859-1"); 125 126 /* Unicode character 'Euro sign'. */ 127 memset(&s, 0, sizeof(s)); 128 memset(buf, 0xcc, sizeof(buf)); 129 ATF_CHECK_EQ_MSG((n = c16rtomb(buf, 0x20ac, &s)), (size_t)-1, 130 "n=%zu", n); 131 ATF_CHECK_EQ_MSG(errno, EILSEQ, "errno=%d", errno); 132 ATF_CHECK_EQ_MSG((unsigned char)buf[0], 0xcc, "buf=[%02x]", buf[0]); 133 } 134 135 ATF_TC_WITHOUT_HEAD(c16rtomb_iso_8859_15_test); 136 ATF_TC_BODY(c16rtomb_iso_8859_15_test, tc) 137 { 138 size_t n; 139 140 require_lc_ctype("en_US.ISO8859-15"); 141 142 /* Unicode character 'Euro sign'. */ 143 memset(&s, 0, sizeof(s)); 144 memset(buf, 0xcc, sizeof(buf)); 145 ATF_CHECK_EQ_MSG((n = c16rtomb(buf, 0x20ac, &s)), 1, "n=%zu", n); 146 ATF_CHECK_MSG(((unsigned char)buf[0] == 0xa4 && 147 (unsigned char)buf[1] == 0xcc), 148 "buf=[%02x %02x]", buf[0], buf[1]); 149 } 150 151 ATF_TC_WITHOUT_HEAD(c16rtomb_utf_8_test); 152 ATF_TC_BODY(c16rtomb_utf_8_test, tc) 153 { 154 size_t n; 155 156 require_lc_ctype("en_US.UTF-8"); 157 158 /* Unicode character 'Pile of poo'. */ 159 memset(&s, 0, sizeof(s)); 160 memset(buf, 0xcc, sizeof(buf)); 161 ATF_CHECK_EQ_MSG((n = c16rtomb(buf, 0xd83d, &s)), 0, "n=%zu", n); 162 ATF_CHECK_EQ_MSG((n = c16rtomb(buf, 0xdca9, &s)), 4, "n=%zu", n); 163 ATF_CHECK_MSG(((unsigned char)buf[0] == 0xf0 && 164 (unsigned char)buf[1] == 0x9f && 165 (unsigned char)buf[2] == 0x92 && 166 (unsigned char)buf[3] == 0xa9 && 167 (unsigned char)buf[4] == 0xcc), 168 "buf=[%02x %02x %02x %02x %02x]", 169 buf[0], buf[1], buf[2], buf[3], buf[4]); 170 171 /* Invalid code; 'Pile of poo' without the trail surrogate. */ 172 memset(&s, 0, sizeof(s)); 173 memset(buf, 0xcc, sizeof(buf)); 174 ATF_CHECK_EQ_MSG((n = c16rtomb(buf, 0xd83d, &s)), 0, "n=%zu", n); 175 ATF_CHECK_EQ_MSG((n = c16rtomb(buf, L'A', &s)), (size_t)-1, 176 "n=%zu", n); 177 ATF_CHECK_EQ_MSG(errno, EILSEQ, "errno=%d", errno); 178 ATF_CHECK_EQ_MSG((unsigned char)buf[0], 0xcc, "buf=[%02x]", buf[0]); 179 180 /* Invalid code; 'Pile of poo' without the lead surrogate. */ 181 memset(&s, 0, sizeof(s)); 182 memset(buf, 0xcc, sizeof(buf)); 183 ATF_CHECK_EQ_MSG((n = c16rtomb(buf, 0xdca9, &s)), (size_t)-1, 184 "n=%zu", n); 185 ATF_CHECK_EQ_MSG(errno, EILSEQ, "errno=%d", errno); 186 ATF_CHECK_EQ_MSG((unsigned char)buf[0], 0xcc, "buf=[%02x]", buf[0]); 187 188 /* Incomplete Unicode character 'Pile of poo', interrupted by NUL. */ 189 memset(&s, 0, sizeof(s)); 190 memset(buf, 0xcc, sizeof(buf)); 191 ATF_CHECK_EQ_MSG((n = c16rtomb(buf, 0xd83d, &s)), 0, "n=%zu", n); 192 atf_tc_expect_fail("PR lib/58615:" 193 " incomplete c8rtomb, c16rtomb handles NUL termination wrong"); 194 ATF_CHECK_EQ_MSG((n = c16rtomb(buf, L'\0', &s)), 1, 195 "n=%zu", n); 196 ATF_CHECK_MSG(((unsigned char)buf[0] == '\0' && 197 (unsigned char)buf[1] == 0xcc), 198 "buf=[%02x %02x]", buf[0], buf[1]); 199 } 200 201 ATF_TP_ADD_TCS(tp) 202 { 203 204 ATF_TP_ADD_TC(tp, c16rtomb_c_locale_test); 205 ATF_TP_ADD_TC(tp, c16rtomb_iso_8859_1_test); 206 ATF_TP_ADD_TC(tp, c16rtomb_iso_8859_15_test); 207 ATF_TP_ADD_TC(tp, c16rtomb_utf_8_test); 208 209 return (atf_no_error()); 210 } 211
Indexes created Fri Sep 26 20:09:58 GMT 2025