1/* Test of lowercase mapping for 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 <stdlib.h>
24
25#include "unistr.h"
26#include "uninorm.h"
27#include "macros.h"
28
29static int
30check (const uint8_t *input, size_t input_length,
31       const char *iso639_language, uninorm_t nf,
32       const uint8_t *expected, size_t expected_length)
33{
34  size_t length;
35  uint8_t *result;
36
37  /* Test return conventions with resultbuf == NULL.  */
38  result = u8_tolower (input, input_length, iso639_language, nf, NULL, &length);
39  if (!(result != NULL))
40    return 1;
41  if (!(length == expected_length))
42    return 2;
43  if (!(u8_cmp (result, expected, expected_length) == 0))
44    return 3;
45  free (result);
46
47  /* Test return conventions with resultbuf too small.  */
48  if (expected_length > 0)
49    {
50      uint8_t *preallocated;
51
52      length = expected_length - 1;
53      preallocated = (uint8_t *) malloc (length * sizeof (uint8_t));
54      result = u8_tolower (input, input_length, iso639_language, nf, preallocated, &length);
55      if (!(result != NULL))
56        return 4;
57      if (!(result != preallocated))
58        return 5;
59      if (!(length == expected_length))
60        return 6;
61      if (!(u8_cmp (result, expected, expected_length) == 0))
62        return 7;
63      free (result);
64      free (preallocated);
65    }
66
67  /* Test return conventions with resultbuf large enough.  */
68  {
69    uint8_t *preallocated;
70
71    length = expected_length;
72    preallocated = (uint8_t *) malloc (length * sizeof (uint8_t));
73    result = u8_tolower (input, input_length, iso639_language, nf, preallocated, &length);
74    if (!(result != NULL))
75      return 8;
76    if (!(preallocated == NULL || result == preallocated))
77      return 9;
78    if (!(length == expected_length))
79      return 10;
80    if (!(u8_cmp (result, expected, expected_length) == 0))
81      return 11;
82    free (preallocated);
83  }
84
85  return 0;
86}
87
88int
89main ()
90{
91  { /* Empty string.  */
92    ASSERT (check (NULL, 0, NULL, NULL, NULL, 0) == 0);
93    ASSERT (check (NULL, 0, NULL, UNINORM_NFC, NULL, 0) == 0);
94  }
95
96  /* Simple string.  */
97  { /* "Gr���� Gott. ������������������������! x=(-b��sqrt(b��-4ac))/(2a)  ���������,������,������" */
98    static const uint8_t input[] =
99      { 'G', 'r', 0xC3, 0xBC, 0xC3, 0x9F, ' ', 'G', 'o', 't', 't', '.', ' ',
100        0xD0, 0x97, 0xD0, 0xB4, 0xD1, 0x80, 0xD0, 0xB0, 0xD0, 0xB2, 0xD1, 0x81,
101        0xD1, 0x82, 0xD0, 0xB2, 0xD1, 0x83, 0xD0, 0xB9, 0xD1, 0x82, 0xD0, 0xB5,
102        '!', ' ', 'x', '=', '(', '-', 'b', 0xC2, 0xB1, 's', 'q', 'r', 't', '(',
103        'b', 0xC2, 0xB2, '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')',
104        ' ', ' ', 0xE6, 0x97, 0xA5, 0xE6, 0x9C, 0xAC, 0xE8, 0xAA, 0x9E, ',',
105        0xE4, 0xB8, 0xAD, 0xE6, 0x96, 0x87, ',',
106        0xED, 0x95, 0x9C, 0xEA, 0xB8, 0x80, '\n'
107      };
108    static const uint8_t casemapped[] =
109      { 'g', 'r', 0xC3, 0xBC, 0xC3, 0x9F, ' ', 'g', 'o', 't', 't', '.', ' ',
110        0xD0, 0xB7, 0xD0, 0xB4, 0xD1, 0x80, 0xD0, 0xB0, 0xD0, 0xB2, 0xD1, 0x81,
111        0xD1, 0x82, 0xD0, 0xB2, 0xD1, 0x83, 0xD0, 0xB9, 0xD1, 0x82, 0xD0, 0xB5,
112        '!', ' ', 'x', '=', '(', '-', 'b', 0xC2, 0xB1, 's', 'q', 'r', 't', '(',
113        'b', 0xC2, 0xB2, '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')',
114        ' ', ' ', 0xE6, 0x97, 0xA5, 0xE6, 0x9C, 0xAC, 0xE8, 0xAA, 0x9E, ',',
115        0xE4, 0xB8, 0xAD, 0xE6, 0x96, 0x87, ',',
116        0xED, 0x95, 0x9C, 0xEA, 0xB8, 0x80, '\n'
117      };
118    ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
119  }
120
121  /* Turkish letters i �� �� I */
122  { /* LATIN CAPITAL LETTER I */
123    static const uint8_t input[]         = { 0x49 };
124    static const uint8_t casemapped[]    = { 0x69 };
125    static const uint8_t casemapped_tr[] = { 0xC4, 0xB1 };
126    ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
127    ASSERT (check (input, SIZEOF (input), "tr", NULL, casemapped_tr, SIZEOF (casemapped_tr)) == 0);
128  }
129  { /* LATIN SMALL LETTER I */
130    static const uint8_t input[]      = { 0x69 };
131    static const uint8_t casemapped[] = { 0x69 };
132    ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
133    ASSERT (check (input, SIZEOF (input), "tr", NULL, casemapped, SIZEOF (casemapped)) == 0);
134  }
135  { /* LATIN CAPITAL LETTER I WITH DOT ABOVE */
136    static const uint8_t input[]         = { 0xC4, 0xB0 };
137    static const uint8_t casemapped[]    = { 0x69, 0xCC, 0x87 };
138    static const uint8_t casemapped_tr[] = { 0x69 };
139    ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
140    ASSERT (check (input, SIZEOF (input), "tr", NULL, casemapped_tr, SIZEOF (casemapped_tr)) == 0);
141  }
142  { /* LATIN SMALL LETTER DOTLESS I */
143    static const uint8_t input[]      = { 0xC4, 0xB1};
144    static const uint8_t casemapped[] = { 0xC4, 0xB1 };
145    ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
146    ASSERT (check (input, SIZEOF (input), "tr", NULL, casemapped, SIZEOF (casemapped)) == 0);
147  }
148  { /* "TOPKAPI" */
149    static const uint8_t input[] =
150      { 0x54, 0x4F, 0x50, 0x4B, 0x41, 0x50, 0x49 };
151    static const uint8_t casemapped[] =
152      { 0x74, 0x6F, 0x70, 0x6B, 0x61, 0x70, 0xC4, 0xB1 };
153    ASSERT (check (input, SIZEOF (input), "tr", NULL, casemapped, SIZEOF (casemapped)) == 0);
154  }
155
156  /* Uppercasing can increase the number of Unicode characters.  */
157  { /* "HEI��" */
158    static const uint8_t input[]      = { 0x48, 0x45, 0x49, 0xC3, 0x9F };
159    static const uint8_t casemapped[] = { 0x68, 0x65, 0x69, 0xC3, 0x9F };
160    ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
161  }
162
163  /* Case mappings for some characters can depend on the surrounding characters.  */
164  { /* "������������������������ ����������������������" */
165    static const uint8_t input[] =
166      {
167        0xCE, 0xA0, 0xCE, 0x95, 0xCE, 0xA1, 0xCE, 0x99, 0xCE, 0xA3, 0xCE, 0xA3,
168        0xCE, 0x8C, 0xCE, 0xA4, 0xCE, 0x95, 0xCE, 0xA1, 0xCE, 0x95, 0xCE, 0xA3,
169        ' ', 0xCE, 0xA0, 0xCE, 0x9B, 0xCE, 0x97, 0xCE, 0xA1, 0xCE, 0x9F,
170        0xCE, 0xA6, 0xCE, 0x9F, 0xCE, 0xA1, 0xCE, 0x8A, 0xCE, 0x95, 0xCE, 0xA3
171      };
172    static const uint8_t casemapped[] =
173      {
174        0xCF, 0x80, 0xCE, 0xB5, 0xCF, 0x81, 0xCE, 0xB9, 0xCF, 0x83, 0xCF, 0x83,
175        0xCF, 0x8C, 0xCF, 0x84, 0xCE, 0xB5, 0xCF, 0x81, 0xCE, 0xB5, 0xCF, 0x82,
176        ' ', 0xCF, 0x80, 0xCE, 0xBB, 0xCE, 0xB7, 0xCF, 0x81, 0xCE, 0xBF,
177        0xCF, 0x86, 0xCE, 0xBF, 0xCF, 0x81, 0xCE, 0xAF, 0xCE, 0xB5, 0xCF, 0x82
178      };
179    ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
180  }
181  { /* "��" -> "��" */
182    static const uint8_t input[] =      { 0xCE, 0xA3 };
183    static const uint8_t casemapped[] = { 0xCF, 0x83 };
184    ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
185  }
186  { /* "����" -> "����" */
187    static const uint8_t input[] =      { 0xCE, 0x91, 0xCE, 0xA3 };
188    static const uint8_t casemapped[] = { 0xCE, 0xB1, 0xCF, 0x82 };
189    ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
190  }
191  /* It's a final sigma only if not followed by a case-ignorable sequence and
192     then a cased letter.  Note that U+0345 and U+037A are simultaneously
193     case-ignorable and cased (which is a bit paradoxical).  */
194  { /* "������" -> "������" */
195    static const uint8_t input[] =      { 0xCE, 0x91, 0xCE, 0xA3, 0xCE, 0x91 };
196    static const uint8_t casemapped[] = { 0xCE, 0xB1, 0xCF, 0x83, 0xCE, 0xB1 };
197    ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
198  }
199  { /* "����:" -> "����:" */
200    static const uint8_t input[] =      { 0xCE, 0x91, 0xCE, 0xA3, 0x3A };
201    static const uint8_t casemapped[] = { 0xCE, 0xB1, 0xCF, 0x82, 0x3A };
202    ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
203  }
204  { /* "����:��" -> "����:��" */
205    static const uint8_t input[] =      { 0xCE, 0x91, 0xCE, 0xA3, 0x3A, 0xCE, 0x91 };
206    static const uint8_t casemapped[] = { 0xCE, 0xB1, 0xCF, 0x83, 0x3A, 0xCE, 0xB1 };
207    ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
208  }
209  { /* "����:��" -> "����:��" */
210    static const uint8_t input[] =      { 0xCE, 0x91, 0xCE, 0xA3, 0x3A, 0xCD, 0xBA };
211    static const uint8_t casemapped[] = { 0xCE, 0xB1, 0xCF, 0x83, 0x3A, 0xCD, 0xBA };
212    ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
213  }
214  { /* "����:�� " -> "����:�� " */
215    static const uint8_t input[] =      { 0xCE, 0x91, 0xCE, 0xA3, 0x3A, 0xCD, 0xBA, 0x20 };
216    static const uint8_t casemapped[] = { 0xCE, 0xB1, 0xCF, 0x83, 0x3A, 0xCD, 0xBA, 0x20 };
217    ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
218  }
219  /* It's a final sigma only if preceded by a case-ignorable sequence and
220     a cased letter before it.  Note that U+0345 and U+037A are simultaneously
221     case-ignorable and cased (which is a bit paradoxical).  */
222  { /* ":��" -> ":��" */
223    static const uint8_t input[] =      { 0x3A, 0xCE, 0xA3 };
224    static const uint8_t casemapped[] = { 0x3A, 0xCF, 0x83 };
225    ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
226  }
227  { /* "��:��" -> "��:��" */
228    static const uint8_t input[] =      { 0xCE, 0x91, 0x3A, 0xCE, 0xA3 };
229    static const uint8_t casemapped[] = { 0xCE, 0xB1, 0x3A, 0xCF, 0x82 };
230    ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
231  }
232  { /* "��:��" -> "��:��" */
233    static const uint8_t input[] =      { 0xCD, 0xBA, 0x3A, 0xCE, 0xA3 };
234    static const uint8_t casemapped[] = { 0xCD, 0xBA, 0x3A, 0xCF, 0x82 };
235    ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
236  }
237  { /* " ��:��" -> " ��:��" */
238    static const uint8_t input[] =      { 0x20, 0xCD, 0xBA, 0x3A, 0xCE, 0xA3 };
239    static const uint8_t casemapped[] = { 0x20, 0xCD, 0xBA, 0x3A, 0xCF, 0x82 };
240    ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
241  }
242
243  return 0;
244}
245