t_mbrtoc8.c revision 1.1
1 /* $NetBSD: t_mbrtoc8.c,v 1.1 2024/08/15 21:19:45 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 mbrtoc8() as specified by C23. 33 */ 34 35 #include <sys/cdefs.h> 36 __RCSID("$NetBSD: t_mbrtoc8.c,v 1.1 2024/08/15 21:19:45 riastradh Exp $"); 37 38 #include <errno.h> 39 #include <inttypes.h> 40 #include <limits.h> 41 #include <locale.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 char8_t c8; 63 64 ATF_TC_WITHOUT_HEAD(mbrtoc8_c_locale_test); 65 ATF_TC_BODY(mbrtoc8_c_locale_test, tc) 66 { 67 size_t n; 68 69 require_lc_ctype("C"); 70 71 /* Null wide character, internal state. */ 72 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "", 1, NULL)), 0, "n=%zu", n); 73 ATF_CHECK_EQ_MSG(c8, 0, "c8=0x%"PRIx8, (uint8_t)c8); 74 75 /* Null wide character. */ 76 memset(&s, 0, sizeof(s)); 77 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "", 1, &s)), 0, "n=%zu", n); 78 ATF_CHECK_EQ_MSG(c8, 0, "c8=0x%"PRIx8, (uint8_t)c8); 79 80 /* Latin letter A, internal state. */ 81 ATF_CHECK_EQ_MSG((n = mbrtoc8(NULL, 0, 0, NULL)), 0, "n=%zu", n); 82 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "A", 1, NULL)), 1, "n=%zu", n); 83 ATF_CHECK_EQ_MSG(c8, 'A', "c8=0x%"PRIx8" 'A'=0x%"PRIx8, 84 (uint8_t)c8, (uint8_t)'A'); 85 86 /* Latin letter A. */ 87 memset(&s, 0, sizeof(s)); 88 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "A", 1, &s)), 1, "n=%zu", n); 89 ATF_CHECK_EQ_MSG(c8, 'A', "c8=0x%"PRIx8" 'A'=0x%"PRIx8, 90 (uint8_t)c8, (uint8_t)'A'); 91 92 /* Incomplete character sequence. */ 93 c8 = 'z'; 94 memset(&s, 0, sizeof(s)); 95 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "", 0, &s)), (size_t)-2, 96 "n=%zu", n); 97 ATF_CHECK_EQ_MSG(c8, 'z', "c8=0x%"PRIx8" 'z'=0x%"PRIx8, 98 (uint8_t)c8, (uint8_t)'z'); 99 100 /* Check that mbrtoc8() doesn't access the buffer when n == 0. */ 101 c8 = 'z'; 102 memset(&s, 0, sizeof(s)); 103 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "", 0, &s)), (size_t)-2, 104 "n=%zu", n); 105 ATF_CHECK_EQ_MSG(c8, 'z', "c8=0x%"PRIx8" 'z'=0x%"PRIx8, 106 (uint8_t)c8, (uint8_t)'z'); 107 108 /* Check that mbrtoc8() doesn't read ahead too aggressively. */ 109 memset(&s, 0, sizeof(s)); 110 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "AB", 2, &s)), 1, "n=%zu", n); 111 ATF_CHECK_EQ_MSG(c8, 'A', "c8=0x%"PRIx8" 'A'=0x%"PRIx8, 112 (uint8_t)c8, (uint8_t)'A'); 113 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "C", 1, &s)), 1, "n=%zu", n); 114 ATF_CHECK_EQ_MSG(c8, 'C', "c8=0x%"PRIx8" 'C'=0x%"PRIx8, 115 (uint8_t)c8, (uint8_t)'C'); 116 117 } 118 119 ATF_TC_WITHOUT_HEAD(mbrtoc8_iso_8859_1_test); 120 ATF_TC_BODY(mbrtoc8_iso_8859_1_test, tc) 121 { 122 size_t n; 123 124 require_lc_ctype("en_US.ISO8859-1"); 125 126 /* Currency sign. */ 127 memset(&s, 0, sizeof(s)); 128 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "\xa4", 1, &s)), 1, "n=%zu", n); 129 ATF_CHECK_EQ_MSG(c8, 0xc2, "c8=0x%"PRIx8, (uint8_t)c8); 130 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "", 0, &s)), (size_t)-3, 131 "n=%zu", n); 132 ATF_CHECK_EQ_MSG(c8, 0xa4, "c8=0x%"PRIx8, (uint8_t)c8); 133 } 134 135 ATF_TC_WITHOUT_HEAD(mbrtoc8_iso_8859_15_test); 136 ATF_TC_BODY(mbrtoc8_iso_8859_15_test, tc) 137 { 138 size_t n; 139 140 require_lc_ctype("en_US.ISO8859-15"); 141 142 /* Euro sign. */ 143 memset(&s, 0, sizeof(s)); 144 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "\xa4", 1, &s)), 1, "n=%zu", n); 145 ATF_CHECK_EQ_MSG(c8, 0xe2, "c8=0x%"PRIx8, (uint8_t)c8); 146 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "", 0, &s)), (size_t)-3, 147 "n=%zu", n); 148 ATF_CHECK_EQ_MSG(c8, 0x82, "c8=0x%"PRIx8, (uint8_t)c8); 149 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "", 0, &s)), (size_t)-3, 150 "n=%zu", n); 151 ATF_CHECK_EQ_MSG(c8, 0xac, "c8=0x%"PRIx8, (uint8_t)c8); 152 } 153 154 ATF_TC_WITHOUT_HEAD(mbrtoc8_utf_8_test); 155 ATF_TC_BODY(mbrtoc8_utf_8_test, tc) 156 { 157 size_t n; 158 159 require_lc_ctype("en_US.UTF-8"); 160 161 /* Null wide character, internal state. */ 162 ATF_CHECK_EQ_MSG((n = mbrtoc8(NULL, 0, 0, NULL)), 0, "n=%zu", n); 163 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "", 1, NULL)), 0, "n=%zu", n); 164 ATF_CHECK_EQ_MSG(c8, 0, "c8=0x%"PRIx8, (uint8_t)c8); 165 166 /* Null wide character. */ 167 memset(&s, 0, sizeof(s)); 168 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "", 1, &s)), 0, "n=%zu", n); 169 ATF_CHECK_EQ_MSG(c8, 0, "c8=0x%"PRIx8, (uint8_t)c8); 170 171 /* Latin letter A, internal state. */ 172 ATF_CHECK_EQ_MSG((n = mbrtoc8(NULL, 0, 0, NULL)), 0, "n=%zu", n); 173 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "A", 1, NULL)), 1, "n=%zu", n); 174 ATF_CHECK_EQ_MSG(c8, 'A', "c8=0x%"PRIx8" 'A'=0x%"PRIx8, 175 (uint8_t)c8, (uint8_t)'A'); 176 177 /* Latin letter A. */ 178 memset(&s, 0, sizeof(s)); 179 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "A", 1, &s)), 1, "n=%zu", n); 180 ATF_CHECK_EQ_MSG(c8, 'A', "c8=0x%"PRIx8" 'A'=0x%"PRIx8, 181 (uint8_t)c8, (uint8_t)'A'); 182 183 /* Incomplete character sequence (zero length). */ 184 c8 = 'z'; 185 memset(&s, 0, sizeof(s)); 186 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "", 0, &s)), (size_t)-2, 187 "n=%zu", n); 188 ATF_CHECK_EQ_MSG(c8, 'z', "c8=0x%"PRIx8" 'z'=0x%"PRIx8, 189 (uint8_t)c8, (uint8_t)'z'); 190 191 /* Incomplete character sequence (truncated double-byte). */ 192 memset(&s, 0, sizeof(s)); 193 c8 = 0; 194 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "\xc3", 1, &s)), (size_t)-2, 195 "n=%zu", n); 196 197 /* Same as above, but complete. */ 198 memset(&s, 0, sizeof(s)); 199 c8 = 0; 200 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "\xc3\x84", 2, &s)), 2, 201 "n=%zu", n); 202 ATF_CHECK_EQ_MSG(c8, 0xc3, "c8=0x%"PRIx8, (uint8_t)c8); 203 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "", 0, &s)), (size_t)-3, 204 "n=%zu", n); 205 ATF_CHECK_EQ_MSG(c8, 0x84, "c8=0x%"PRIx8, (uint8_t)c8); 206 207 /* Test restarting behaviour. */ 208 memset(&s, 0, sizeof(s)); 209 c8 = 0; 210 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "\xc3", 1, &s)), (size_t)-2, 211 "n=%zu", n); 212 ATF_CHECK_EQ_MSG(c8, 0, "c8=0x%"PRIx8, (uint8_t)c8); 213 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "\xb7", 1, &s)), 1, "n=%zu", n); 214 ATF_CHECK_EQ_MSG(c8, 0xc3, "c8=0x%"PRIx8, (uint8_t)c8); 215 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "", 0, &s)), (size_t)-3, 216 "n=%zu", n); 217 ATF_CHECK_EQ_MSG(c8, 0xb7, "c8=0x%"PRIx8, (uint8_t)c8); 218 219 /* Four-byte sequence. */ 220 memset(&s, 0, sizeof(s)); 221 c8 = 0; 222 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "\xf0\x9f\x92\xa9", 4, &s)), 4, 223 "n=%zu", n); 224 ATF_CHECK_EQ_MSG(c8, 0xf0, "c8=0x%"PRIx8, (uint8_t)c8); 225 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "", 0, &s)), (size_t)-3, 226 "n=%zu", n); 227 ATF_CHECK_EQ_MSG(c8, 0x9f, "c8=0x%"PRIx8, (uint8_t)c8); 228 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "", 0, &s)), (size_t)-3, 229 "n=%zu", n); 230 ATF_CHECK_EQ_MSG(c8, 0x92, "c8=0x%"PRIx8, (uint8_t)c8); 231 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "", 0, &s)), (size_t)-3, 232 "n=%zu", n); 233 ATF_CHECK_EQ_MSG(c8, 0xa9, "c8=0x%"PRIx8, (uint8_t)c8); 234 235 /* Letter e with acute, precomposed. */ 236 memset(&s, 0, sizeof(s)); 237 c8 = 0; 238 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "\xc3\xa9", 2, &s)), 2, 239 "n=%zu", n); 240 ATF_CHECK_EQ_MSG(c8, 0xc3, "c8=0x%"PRIx8, (uint8_t)c8); 241 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "", 0, &s)), (size_t)-3, 242 "n=%zu", n); 243 ATF_CHECK_EQ_MSG(c8, 0xa9, "c8=0x%"PRIx8, (uint8_t)c8); 244 245 /* Letter e with acute, combined. */ 246 memset(&s, 0, sizeof(s)); 247 c8 = 0; 248 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "\x65\xcc\x81", 3, &s)), 1, 249 "n=%zu", n); 250 ATF_CHECK_EQ_MSG(c8, 0x65, "c8=0x%"PRIx8, (uint8_t)c8); 251 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "\xcc\x81", 2, &s)), 2, 252 "n=%zu", n); 253 ATF_CHECK_EQ_MSG(c8, 0xcc, "c8=0x%"PRIx8, (uint8_t)c8); 254 ATF_CHECK_EQ_MSG((n = mbrtoc8(&c8, "", 0, &s)), (size_t)-3, 255 "n=%zu", n); 256 ATF_CHECK_EQ_MSG(c8, 0x81, "c8=0x%"PRIx8, (uint8_t)c8); 257 } 258 259 ATF_TP_ADD_TCS(tp) 260 { 261 262 ATF_TP_ADD_TC(tp, mbrtoc8_c_locale_test); 263 ATF_TP_ADD_TC(tp, mbrtoc8_iso_8859_1_test); 264 ATF_TP_ADD_TC(tp, mbrtoc8_iso_8859_15_test); 265 ATF_TP_ADD_TC(tp, mbrtoc8_utf_8_test); 266 267 return (atf_no_error()); 268 } 269
Indexes created Wed Oct 01 07:09:59 GMT 2025