1/* Test of case and normalization insensitive comparison of UTF-8 strings. 2 Copyright (C) 2009, 2010 Free Software Foundation, Inc. 3 4 This program is free software: you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; either version 3 of the License, or 7 (at your option) any later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 16 17/* Written by Bruno Haible <bruno@clisp.org>, 2009. */ 18 19#include <config.h> 20 21#include "unicase.h" 22 23#include "uninorm.h" 24#include "macros.h" 25 26#define UNIT uint8_t 27#include "test-casecmp.h" 28#undef UNIT 29 30static void 31test_nonascii (int (*my_casecmp) (const uint8_t *, size_t, const uint8_t *, size_t, const char *, uninorm_t, int *)) 32{ 33 /* Normalization effects. */ 34 { 35 static const uint8_t input1[] = { 'H', 0xC3, 0xB6, 'h', 'l', 'e' }; 36 static const uint8_t input2[] = { 'H', 'O', 0xCC, 0x88, 'h', 'L', 'e' }; 37 static const uint8_t input3[] = { 'H', 0xC3, 0xB6, 'h', 'l', 'e', 'n' }; 38 static const uint8_t input4[] = { 'H', 'O', 0xCC, 0x88, 'h', 'L', 'e', 'n' }; 39 static const uint8_t input5[] = { 'H', 'u', 'r', 'z' }; 40 int cmp; 41 42 ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0); 43 ASSERT (cmp == 0); 44 45 ASSERT (my_casecmp (input2, SIZEOF (input2), input1, SIZEOF (input1), NULL, UNINORM_NFD, &cmp) == 0); 46 ASSERT (cmp == 0); 47 48 ASSERT (my_casecmp (input3, SIZEOF (input3), input4, SIZEOF (input4), NULL, UNINORM_NFD, &cmp) == 0); 49 ASSERT (cmp == 0); 50 51 ASSERT (my_casecmp (input4, SIZEOF (input4), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0); 52 ASSERT (cmp == 0); 53 54 ASSERT (my_casecmp (input2, SIZEOF (input2), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0); 55 ASSERT (cmp == -1); 56 57 ASSERT (my_casecmp (input1, SIZEOF (input1), input4, SIZEOF (input4), NULL, UNINORM_NFD, &cmp) == 0); 58 ASSERT (cmp == -1); 59 60 ASSERT (my_casecmp (input1, SIZEOF (input1), input5, SIZEOF (input5), NULL, UNINORM_NFD, &cmp) == 0); 61 ASSERT (cmp == -1); 62 63 ASSERT (my_casecmp (input2, SIZEOF (input2), input5, SIZEOF (input5), NULL, UNINORM_NFD, &cmp) == 0); 64 ASSERT (cmp == -1); 65 } 66 { /* LATIN CAPITAL LETTER A WITH DIAERESIS */ 67 static const uint8_t input1[] = { 0xC3, 0x84 }; 68 static const uint8_t input2[] = { 0x41, 0xCC, 0x88 }; 69 int cmp; 70 71 ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0); 72 ASSERT (cmp == 0); 73 } 74 { /* LATIN CAPITAL LETTER A WITH DIAERESIS AND MACRON */ 75 static const uint8_t input1[] = { 0xC7, 0x9E }; 76 static const uint8_t input2[] = { 0x41, 0xCC, 0x88, 0xCC, 0x84 }; 77 int cmp; 78 79 ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0); 80 ASSERT (cmp == 0); 81 } 82 { /* GREEK DIALYTIKA AND PERISPOMENI */ 83 static const uint8_t input1[] = { 0xE1, 0xBF, 0x81 }; 84 static const uint8_t input2[] = { 0xC2, 0xA8, 0xCD, 0x82 }; 85 int cmp; 86 87 ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0); 88 ASSERT (cmp == 0); 89 } 90 { /* HANGUL SYLLABLE GEUL */ 91 static const uint8_t input1[] = { 0xEA, 0xB8, 0x80 }; 92 static const uint8_t input2[] = { 0xEA, 0xB7, 0xB8, 0xE1, 0x86, 0xAF }; 93 static const uint8_t input3[] = { 0xE1, 0x84, 0x80, 0xE1, 0x85, 0xB3, 0xE1, 0x86, 0xAF }; 94 int cmp; 95 96 ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0); 97 ASSERT (cmp == 0); 98 99 ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0); 100 ASSERT (cmp == 0); 101 } 102 { /* HANGUL SYLLABLE GEU */ 103 static const uint8_t input1[] = { 0xEA, 0xB7, 0xB8 }; 104 static const uint8_t input2[] = { 0xE1, 0x84, 0x80, 0xE1, 0x85, 0xB3 }; 105 int cmp; 106 107 ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0); 108 ASSERT (cmp == 0); 109 } 110 111 /* Simple string. */ 112 { /* "Gr���� Gott. ������������������������! x=(-b��sqrt(b��-4ac))/(2a) ���������,������,������" */ 113 static const uint8_t input1[] = 114 { 'G', 'r', 0xC3, 0xBC, 0xC3, 0x9F, ' ', 'G', 'o', 't', 't', '.', ' ', 115 0xD0, 0x97, 0xD0, 0xB4, 0xD1, 0x80, 0xD0, 0xB0, 0xD0, 0xB2, 0xD1, 0x81, 116 0xD1, 0x82, 0xD0, 0xB2, 0xD1, 0x83, 0xD0, 0xB9, 0xD1, 0x82, 0xD0, 0xB5, 117 '!', ' ', 'x', '=', '(', '-', 'b', 0xC2, 0xB1, 's', 'q', 'r', 't', '(', 118 'b', 0xC2, 0xB2, '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', 119 ' ', ' ', 0xE6, 0x97, 0xA5, 0xE6, 0x9C, 0xAC, 0xE8, 0xAA, 0x9E, ',', 120 0xE4, 0xB8, 0xAD, 0xE6, 0x96, 0x87, ',', 121 0xED, 0x95, 0x9C, 0xEA, 0xB8, 0x80, '\n' 122 }; 123 static const uint8_t input2[] = 124 { 'g', 'r', 0xC3, 0xBC, 0x73, 0x73, ' ', 'g', 'o', 't', 't', '.', ' ', 125 0xD0, 0xB7, 0xD0, 0xB4, 0xD1, 0x80, 0xD0, 0xB0, 0xD0, 0xB2, 0xD1, 0x81, 126 0xD1, 0x82, 0xD0, 0xB2, 0xD1, 0x83, 0xD0, 0xB9, 0xD1, 0x82, 0xD0, 0xB5, 127 '!', ' ', 'x', '=', '(', '-', 'b', 0xC2, 0xB1, 's', 'q', 'r', 't', '(', 128 'b', 0xC2, 0xB2, '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', 129 ' ', ' ', 0xE6, 0x97, 0xA5, 0xE6, 0x9C, 0xAC, 0xE8, 0xAA, 0x9E, ',', 130 0xE4, 0xB8, 0xAD, 0xE6, 0x96, 0x87, ',', 131 0xED, 0x95, 0x9C, 0xEA, 0xB8, 0x80, '\n' 132 }; 133 static const uint8_t input3[] = 134 { 'G', 'R', 0xC3, 0x9C, 0x53, 0x53, ' ', 'G', 'O', 'T', 'T', '.', ' ', 135 0xD0, 0x97, 0xD0, 0x94, 0xD0, 0xA0, 0xD0, 0x90, 0xD0, 0x92, 0xD0, 0xA1, 136 0xD0, 0xA2, 0xD0, 0x92, 0xD0, 0xA3, 0xD0, 0x99, 0xD0, 0xA2, 0xD0, 0x95, 137 '!', ' ', 'X', '=', '(', '-', 'B', 0xC2, 0xB1, 'S', 'Q', 'R', 'T', '(', 138 'B', 0xC2, 0xB2, '-', '4', 'A', 'C', ')', ')', '/', '(', '2', 'A', ')', 139 ' ', ' ', 0xE6, 0x97, 0xA5, 0xE6, 0x9C, 0xAC, 0xE8, 0xAA, 0x9E, ',', 140 0xE4, 0xB8, 0xAD, 0xE6, 0x96, 0x87, ',', 141 0xED, 0x95, 0x9C, 0xEA, 0xB8, 0x80, '\n' 142 }; 143 int cmp; 144 145 ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0); 146 ASSERT (cmp == 0); 147 148 ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0); 149 ASSERT (cmp == 0); 150 151 ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, NULL, &cmp) == 0); 152 ASSERT (cmp == 0); 153 154 ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0); 155 ASSERT (cmp == 0); 156 157 ASSERT (my_casecmp (input2, SIZEOF (input2), input3, SIZEOF (input3), NULL, NULL, &cmp) == 0); 158 ASSERT (cmp == 0); 159 160 ASSERT (my_casecmp (input2, SIZEOF (input2), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0); 161 ASSERT (cmp == 0); 162 } 163 164 /* Case mapping can increase the number of Unicode characters. */ 165 { /* LATIN SMALL LETTER N PRECEDED BY APOSTROPHE */ 166 static const uint8_t input1[] = { 0xC5, 0x89 }; 167 static const uint8_t input2[] = { 0xCA, 0xBC, 0x6E }; 168 static const uint8_t input3[] = { 0xCA, 0xBC, 0x4E }; 169 int cmp; 170 171 ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0); 172 ASSERT (cmp == 0); 173 174 ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0); 175 ASSERT (cmp == 0); 176 177 ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, NULL, &cmp) == 0); 178 ASSERT (cmp == 0); 179 180 ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0); 181 ASSERT (cmp == 0); 182 } 183 { /* GREEK SMALL LETTER IOTA WITH DIALYTIKA AND TONOS */ 184 static const uint8_t input1[] = { 0xCE, 0x90 }; 185 static const uint8_t input2[] = { 0xCE, 0xB9, 0xCC, 0x88, 0xCC, 0x81 }; 186 int cmp; 187 188 ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0); 189 ASSERT (cmp == 0); 190 191 ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0); 192 ASSERT (cmp == 0); 193 } 194 195 /* Turkish letters i �� �� I */ 196 { /* LATIN CAPITAL LETTER I */ 197 static const uint8_t input[] = { 0x49 }; 198 static const uint8_t casefolded[] = { 0x69 }; 199 static const uint8_t casefolded_tr[] = { 0xC4, 0xB1 }; 200 int cmp; 201 202 ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0); 203 ASSERT (cmp == 0); 204 205 ASSERT (my_casecmp (input, SIZEOF (input), casefolded_tr, SIZEOF (casefolded_tr), "tr", NULL, &cmp) == 0); 206 ASSERT (cmp == 0); 207 } 208 { /* LATIN SMALL LETTER I */ 209 static const uint8_t input[] = { 0x69 }; 210 static const uint8_t casefolded[] = { 0x49 }; 211 static const uint8_t casefolded_tr[] = { 0xC4, 0xB0 }; 212 int cmp; 213 214 ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0); 215 ASSERT (cmp == 0); 216 217 ASSERT (my_casecmp (input, SIZEOF (input), casefolded_tr, SIZEOF (casefolded_tr), "tr", NULL, &cmp) == 0); 218 ASSERT (cmp == 0); 219 } 220 { /* LATIN CAPITAL LETTER I WITH DOT ABOVE */ 221 static const uint8_t input[] = { 0xC4, 0xB0 }; 222 static const uint8_t casefolded[] = { 0x69, 0xCC, 0x87 }; 223 static const uint8_t casefolded_tr[] = { 0x69 }; 224 int cmp; 225 226 ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0); 227 ASSERT (cmp == 0); 228 229 ASSERT (my_casecmp (input, SIZEOF (input), casefolded_tr, SIZEOF (casefolded_tr), "tr", NULL, &cmp) == 0); 230 ASSERT (cmp == 0); 231 } 232 { /* LATIN SMALL LETTER DOTLESS I */ 233 static const uint8_t input[] = { 0xC4, 0xB1 }; 234 static const uint8_t casefolded[] = { 0x49 }; 235 int cmp; 236 237 ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0); 238 ASSERT (cmp == 1); 239 240 ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), "tr", NULL, &cmp) == 0); 241 ASSERT (cmp == 0); 242 } 243 { /* "topkap��" */ 244 static const uint8_t input[] = 245 { 0x54, 0x4F, 0x50, 0x4B, 0x41, 0x50, 0x49 }; 246 static const uint8_t casefolded[] = 247 { 0x74, 0x6F, 0x70, 0x6B, 0x61, 0x70, 0xC4, 0xB1 }; 248 int cmp; 249 250 ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0); 251 ASSERT (cmp == -1); 252 253 ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), "tr", NULL, &cmp) == 0); 254 ASSERT (cmp == 0); 255 } 256 257 /* Uppercasing can increase the number of Unicode characters. */ 258 { /* "hei��" */ 259 static const uint8_t input1[] = { 0x68, 0x65, 0x69, 0xC3, 0x9F }; 260 static const uint8_t input2[] = { 0x68, 0x65, 0x69, 0x73, 0x73 }; 261 int cmp; 262 263 ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0); 264 ASSERT (cmp == 0); 265 } 266 267 /* Case mappings for some characters can depend on the surrounding characters. */ 268 { /* "������������������������ ����������������������" */ 269 static const uint8_t input1[] = 270 { 271 0xCF, 0x80, 0xCE, 0xB5, 0xCF, 0x81, 0xCE, 0xB9, 0xCF, 0x83, 0xCF, 0x83, 272 0xCF, 0x8C, 0xCF, 0x84, 0xCE, 0xB5, 0xCF, 0x81, 0xCE, 0xB5, 0xCF, 0x82, 273 ' ', 0xCF, 0x80, 0xCE, 0xBB, 0xCE, 0xB7, 0xCF, 0x81, 0xCE, 0xBF, 274 0xCF, 0x86, 0xCE, 0xBF, 0xCF, 0x81, 0xCE, 0xAF, 0xCE, 0xB5, 0xCF, 0x82 275 }; 276 static const uint8_t input2[] = 277 { 278 0xCF, 0x80, 0xCE, 0xB5, 0xCF, 0x81, 0xCE, 0xB9, 0xCF, 0x83, 0xCF, 0x83, 279 0xCF, 0x8C, 0xCF, 0x84, 0xCE, 0xB5, 0xCF, 0x81, 0xCE, 0xB5, 0xCF, 0x83, 280 ' ', 0xCF, 0x80, 0xCE, 0xBB, 0xCE, 0xB7, 0xCF, 0x81, 0xCE, 0xBF, 281 0xCF, 0x86, 0xCE, 0xBF, 0xCF, 0x81, 0xCE, 0xAF, 0xCE, 0xB5, 0xCF, 0x83 282 }; 283 static const uint8_t input3[] = 284 { 285 0xCE, 0xA0, 0xCE, 0x95, 0xCE, 0xA1, 0xCE, 0x99, 0xCE, 0xA3, 0xCE, 0xA3, 286 0xCE, 0x8C, 0xCE, 0xA4, 0xCE, 0x95, 0xCE, 0xA1, 0xCE, 0x95, 0xCE, 0xA3, 287 ' ', 0xCE, 0xA0, 0xCE, 0x9B, 0xCE, 0x97, 0xCE, 0xA1, 0xCE, 0x9F, 288 0xCE, 0xA6, 0xCE, 0x9F, 0xCE, 0xA1, 0xCE, 0x8A, 0xCE, 0x95, 0xCE, 0xA3 289 }; 290 int cmp; 291 292 ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0); 293 ASSERT (cmp == 0); 294 295 ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, NULL, &cmp) == 0); 296 ASSERT (cmp == 0); 297 298 ASSERT (my_casecmp (input2, SIZEOF (input2), input3, SIZEOF (input3), NULL, NULL, &cmp) == 0); 299 ASSERT (cmp == 0); 300 } 301 302 /* Case mapping can require subsequent normalization. */ 303 { /* LATIN SMALL LETTER J WITH CARON, COMBINING DOT BELOW */ 304 static const uint8_t input[] = { 0xC7, 0xB0, 0xCC, 0xA3 }; 305 static const uint8_t casefolded[] = { 0x6A, 0xCC, 0x8C, 0xCC, 0xA3 }; 306 static const uint8_t casefolded_decomposed[] = { 0x6A, 0xCC, 0xA3, 0xCC, 0x8C }; 307 int cmp; 308 309 ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0); 310 ASSERT (cmp == 0); 311 312 ASSERT (my_casecmp (input, SIZEOF (input), casefolded_decomposed, SIZEOF (casefolded_decomposed), NULL, NULL, &cmp) == 0); 313 ASSERT (cmp != 0); 314 315 ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, UNINORM_NFD, &cmp) == 0); 316 ASSERT (cmp == 0); 317 318 ASSERT (my_casecmp (input, SIZEOF (input), casefolded_decomposed, SIZEOF (casefolded_decomposed), NULL, UNINORM_NFD, &cmp) == 0); 319 ASSERT (cmp == 0); 320 } 321} 322 323int 324main () 325{ 326 test_ascii (u8_casecmp, UNINORM_NFD); 327 test_nonascii (u8_casecmp); 328 329 return 0; 330} 331