1/* Test of case and normalization insensitive comparison of UTF-32 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 uint32_t
27#include "test-casecmp.h"
28#undef UNIT
29
30static void
31test_nonascii (int (*my_casecmp) (const uint32_t *, size_t, const uint32_t *, size_t, const char *, uninorm_t, int *))
32{
33  /* Normalization effects.  */
34  {
35    static const uint32_t input1[] = { 'H', 0x00F6, 'h', 'l', 'e' };
36    static const uint32_t input2[] = { 'H', 'O', 0x0308, 'h', 'L', 'e' };
37    static const uint32_t input3[] = { 'H', 0x00F6, 'h', 'l', 'e', 'n' };
38    static const uint32_t input4[] = { 'H', 'O', 0x0308, 'h', 'L', 'e', 'n' };
39    static const uint32_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 uint32_t input1[] = { 0x00C4 };
68    static const uint32_t input2[] = { 0x0041, 0x0308 };
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 uint32_t input1[] = { 0x01DE };
76    static const uint32_t input2[] = { 0x0041, 0x0308, 0x0304 };
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 uint32_t input1[] = { 0x1FC1 };
84    static const uint32_t input2[] = { 0x00A8, 0x0342 };
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 uint32_t input1[] = { 0xAE00 };
92    static const uint32_t input2[] = { 0xADF8, 0x11AF };
93    static const uint32_t input3[] = { 0x1100, 0x1173, 0x11AF };
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 uint32_t input1[] = { 0xADF8 };
104    static const uint32_t input2[] = { 0x1100, 0x1173 };
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 uint32_t input1[] =
114      { 'G', 'r', 0x00FC, 0x00DF, ' ', 'G', 'o', 't', 't', '.', ' ',
115        0x0417, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443,
116        0x0439, 0x0442, 0x0435, '!', ' ',
117        'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2,
118        '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ',
119        0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\n'
120      };
121    static const uint32_t input2[] =
122      { 'g', 'r', 0x00FC, 0x0073, 0x0073, ' ', 'g', 'o', 't', 't', '.', ' ',
123        0x0437, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443,
124        0x0439, 0x0442, 0x0435, '!', ' ',
125        'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2,
126        '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ',
127        0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\n'
128      };
129    static const uint32_t input3[] =
130      { 'G', 'R', 0x00DC, 0x0053, 0x0053, ' ', 'G', 'O', 'T', 'T', '.', ' ',
131        0x0417, 0x0414, 0x0420, 0x0410, 0x0412, 0x0421, 0x0422, 0x0412, 0x0423,
132        0x0419, 0x0422, 0x0415, '!', ' ',
133        'X', '=', '(', '-', 'B', 0x00B1, 'S', 'Q', 'R', 'T', '(', 'B', 0x00B2,
134        '-', '4', 'A', 'C', ')', ')', '/', '(', '2', 'A', ')', ' ', ' ',
135        0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\n'
136      };
137    int cmp;
138
139    ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0);
140    ASSERT (cmp == 0);
141
142    ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
143    ASSERT (cmp == 0);
144
145    ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, NULL, &cmp) == 0);
146    ASSERT (cmp == 0);
147
148    ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0);
149    ASSERT (cmp == 0);
150
151    ASSERT (my_casecmp (input2, SIZEOF (input2), input3, SIZEOF (input3), NULL, NULL, &cmp) == 0);
152    ASSERT (cmp == 0);
153
154    ASSERT (my_casecmp (input2, SIZEOF (input2), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0);
155    ASSERT (cmp == 0);
156  }
157
158  /* Case mapping can increase the number of Unicode characters.  */
159  { /* LATIN SMALL LETTER N PRECEDED BY APOSTROPHE */
160    static const uint32_t input1[] = { 0x0149 };
161    static const uint32_t input2[] = { 0x02BC, 0x006E };
162    static const uint32_t input3[] = { 0x02BC, 0x004E };
163    int cmp;
164
165    ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0);
166    ASSERT (cmp == 0);
167
168    ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
169    ASSERT (cmp == 0);
170
171    ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, NULL, &cmp) == 0);
172    ASSERT (cmp == 0);
173
174    ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0);
175    ASSERT (cmp == 0);
176  }
177  { /* GREEK SMALL LETTER IOTA WITH DIALYTIKA AND TONOS */
178    static const uint32_t input1[] = { 0x0390 };
179    static const uint32_t input2[] = { 0x03B9, 0x0308, 0x0301 };
180    int cmp;
181
182    ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0);
183    ASSERT (cmp == 0);
184
185    ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
186    ASSERT (cmp == 0);
187  }
188
189  /* Turkish letters i �� �� I */
190  { /* LATIN CAPITAL LETTER I */
191    static const uint32_t input[]         = { 0x0049 };
192    static const uint32_t casefolded[]    = { 0x0069 };
193    static const uint32_t casefolded_tr[] = { 0x0131 };
194    int cmp;
195
196    ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0);
197    ASSERT (cmp == 0);
198
199    ASSERT (my_casecmp (input, SIZEOF (input), casefolded_tr, SIZEOF (casefolded_tr), "tr", NULL, &cmp) == 0);
200    ASSERT (cmp == 0);
201  }
202  { /* LATIN SMALL LETTER I */
203    static const uint32_t input[]         = { 0x0069 };
204    static const uint32_t casefolded[]    = { 0x0049 };
205    static const uint32_t casefolded_tr[] = { 0x0130 };
206    int cmp;
207
208    ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0);
209    ASSERT (cmp == 0);
210
211    ASSERT (my_casecmp (input, SIZEOF (input), casefolded_tr, SIZEOF (casefolded_tr), "tr", NULL, &cmp) == 0);
212    ASSERT (cmp == 0);
213  }
214  { /* LATIN CAPITAL LETTER I WITH DOT ABOVE */
215    static const uint32_t input[]         = { 0x0130 };
216    static const uint32_t casefolded[]    = { 0x0069, 0x0307 };
217    static const uint32_t casefolded_tr[] = { 0x0069 };
218    int cmp;
219
220    ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0);
221    ASSERT (cmp == 0);
222
223    ASSERT (my_casecmp (input, SIZEOF (input), casefolded_tr, SIZEOF (casefolded_tr), "tr", NULL, &cmp) == 0);
224    ASSERT (cmp == 0);
225  }
226  { /* LATIN SMALL LETTER DOTLESS I */
227    static const uint32_t input[]      = { 0x0131 };
228    static const uint32_t casefolded[] = { 0x0049 };
229    int cmp;
230
231    ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0);
232    ASSERT (cmp == 1);
233
234    ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), "tr", NULL, &cmp) == 0);
235    ASSERT (cmp == 0);
236  }
237  { /* "topkap��" */
238    static const uint32_t input[] =
239      { 0x0054, 0x004F, 0x0050, 0x004B, 0x0041, 0x0050, 0x0049 };
240    static const uint32_t casefolded[] =
241      { 0x0074, 0x006F, 0x0070, 0x006B, 0x0061, 0x0070, 0x0131 };
242    int cmp;
243
244    ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0);
245    ASSERT (cmp == -1);
246
247    ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), "tr", NULL, &cmp) == 0);
248    ASSERT (cmp == 0);
249  }
250
251  /* Uppercasing can increase the number of Unicode characters.  */
252  { /* "hei��" */
253    static const uint32_t input1[] = { 0x0068, 0x0065, 0x0069, 0x00DF };
254    static const uint32_t input2[] = { 0x0068, 0x0065, 0x0069, 0x0073, 0x0073 };
255    int cmp;
256
257    ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0);
258    ASSERT (cmp == 0);
259  }
260
261  /* Case mappings for some characters can depend on the surrounding characters.  */
262  { /* "������������������������ ����������������������" */
263    static const uint32_t input1[] =
264      {
265        0x03C0, 0x03B5, 0x03C1, 0x03B9, 0x03C3, 0x03C3, 0x03CC, 0x03C4,
266        0x03B5, 0x03C1, 0x03B5, 0x03C2, 0x0020, 0x03C0, 0x03BB, 0x03B7,
267        0x03C1, 0x03BF, 0x03C6, 0x03BF, 0x03C1, 0x03AF, 0x03B5, 0x03C2
268      };
269    static const uint32_t input2[] =
270      {
271        0x03C0, 0x03B5, 0x03C1, 0x03B9, 0x03C3, 0x03C3, 0x03CC, 0x03C4,
272        0x03B5, 0x03C1, 0x03B5, 0x03C3, 0x0020, 0x03C0, 0x03BB, 0x03B7,
273        0x03C1, 0x03BF, 0x03C6, 0x03BF, 0x03C1, 0x03AF, 0x03B5, 0x03C3
274      };
275    static const uint32_t input3[] =
276      {
277        0x03A0, 0x0395, 0x03A1, 0x0399, 0x03A3, 0x03A3, 0x038C, 0x03A4,
278        0x0395, 0x03A1, 0x0395, 0x03A3, 0x0020, 0x03A0, 0x039B, 0x0397,
279        0x03A1, 0x039F, 0x03A6, 0x039F, 0x03A1, 0x038A, 0x0395, 0x03A3
280      };
281    int cmp;
282
283    ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0);
284    ASSERT (cmp == 0);
285
286    ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, NULL, &cmp) == 0);
287    ASSERT (cmp == 0);
288
289    ASSERT (my_casecmp (input2, SIZEOF (input2), input3, SIZEOF (input3), NULL, NULL, &cmp) == 0);
290    ASSERT (cmp == 0);
291  }
292
293  /* Case mapping can require subsequent normalization.  */
294  { /* LATIN SMALL LETTER J WITH CARON, COMBINING DOT BELOW */
295    static const uint32_t input[]                 = { 0x01F0, 0x0323 };
296    static const uint32_t casefolded[]            = { 0x006A, 0x030C, 0x0323 };
297    static const uint32_t casefolded_decomposed[] = { 0x006A, 0x0323, 0x030C };
298    int cmp;
299
300    ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0);
301    ASSERT (cmp == 0);
302
303    ASSERT (my_casecmp (input, SIZEOF (input), casefolded_decomposed, SIZEOF (casefolded_decomposed), NULL, NULL, &cmp) == 0);
304    ASSERT (cmp != 0);
305
306    ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, UNINORM_NFD, &cmp) == 0);
307    ASSERT (cmp == 0);
308
309    ASSERT (my_casecmp (input, SIZEOF (input), casefolded_decomposed, SIZEOF (casefolded_decomposed), NULL, UNINORM_NFD, &cmp) == 0);
310    ASSERT (cmp == 0);
311  }
312}
313
314int
315main ()
316{
317  test_ascii (u32_casecmp, UNINORM_NFD);
318  test_nonascii (u32_casecmp);
319
320  return 0;
321}
322