maint/gnulib/tests/unicase/test-u16-tolower.c

/* */
This source file includes following definitions.
check
main
   1 /* Test of lowercase mapping for UTF-16 strings.
   2    Copyright (C) 2009-2021 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 <https://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 
  29 static int
  30 check (const uint16_t *input, size_t input_length,
     /*  */
  31        const char *iso639_language, uninorm_t nf,
  32        const uint16_t *expected, size_t expected_length)
  33 {
  34   size_t length;
  35   uint16_t *result;
  36 
  37   /* Test return conventions with resultbuf == NULL.  */
  38   result = u16_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 (!(u16_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       uint16_t *preallocated;
  51 
  52       length = expected_length - 1;
  53       preallocated = (uint16_t *) malloc (length * sizeof (uint16_t));
  54       result = u16_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 (!(u16_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     uint16_t *preallocated;
  70 
  71     length = expected_length;
  72     preallocated = (uint16_t *) malloc (length * sizeof (uint16_t));
  73     result = u16_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 (!(u16_cmp (result, expected, expected_length) == 0))
  81       return 11;
  82     free (preallocated);
  83   }
  84 
  85   return 0;
  86 }
  87 
  88 int
  89 main ()
     /*  */
  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   { /* "Grüß Gott. Здравствуйте! x=(-b±sqrt(b²-4ac))/(2a)  日本語,中文,한글" */
  98     static const uint16_t input[] =
  99       { 'G', 'r', 0x00FC, 0x00DF, ' ', 'G', 'o', 't', 't', '.', ' ',
 100         0x0417, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443,
 101         0x0439, 0x0442, 0x0435, '!', ' ',
 102         'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2,
 103         '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ',
 104         0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\n'
 105       };
 106     static const uint16_t casemapped[] =
 107       { 'g', 'r', 0x00FC, 0x00DF, ' ', 'g', 'o', 't', 't', '.', ' ',
 108         0x0437, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443,
 109         0x0439, 0x0442, 0x0435, '!', ' ',
 110         'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2,
 111         '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ',
 112         0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\n'
 113       };
 114     ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
 115   }
 116 
 117   /* Turkish letters i İ ı I */
 118   { /* LATIN CAPITAL LETTER I */
 119     static const uint16_t input[]         = { 0x0049 };
 120     static const uint16_t casemapped[]    = { 0x0069 };
 121     static const uint16_t casemapped_tr[] = { 0x0131 };
 122     ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
 123     ASSERT (check (input, SIZEOF (input), "tr", NULL, casemapped_tr, SIZEOF (casemapped_tr)) == 0);
 124   }
 125   { /* LATIN SMALL LETTER I */
 126     static const uint16_t input[]      = { 0x0069 };
 127     static const uint16_t casemapped[] = { 0x0069 };
 128     ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
 129     ASSERT (check (input, SIZEOF (input), "tr", NULL, casemapped, SIZEOF (casemapped)) == 0);
 130   }
 131   { /* LATIN CAPITAL LETTER I WITH DOT ABOVE */
 132     static const uint16_t input[]         = { 0x0130 };
 133     static const uint16_t casemapped[]    = { 0x0069, 0x0307 };
 134     static const uint16_t casemapped_tr[] = { 0x0069 };
 135     ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
 136     ASSERT (check (input, SIZEOF (input), "tr", NULL, casemapped_tr, SIZEOF (casemapped_tr)) == 0);
 137   }
 138   { /* LATIN SMALL LETTER DOTLESS I */
 139     static const uint16_t input[]      = { 0x0131 };
 140     static const uint16_t casemapped[] = { 0x0131 };
 141     ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
 142     ASSERT (check (input, SIZEOF (input), "tr", NULL, casemapped, SIZEOF (casemapped)) == 0);
 143   }
 144   { /* "TOPKAPI" */
 145     static const uint16_t input[] =
 146       { 0x0054, 0x004F, 0x0050, 0x004B, 0x0041, 0x0050, 0x0049 };
 147     static const uint16_t casemapped[] =
 148       { 0x0074, 0x006F, 0x0070, 0x006B, 0x0061, 0x0070, 0x0131 };
 149     ASSERT (check (input, SIZEOF (input), "tr", NULL, casemapped, SIZEOF (casemapped)) == 0);
 150   }
 151 
 152   /* Uppercasing can increase the number of Unicode characters.  */
 153   { /* "HEIß" */
 154     static const uint16_t input[]      = { 0x0048, 0x0045, 0x0049, 0x00DF };
 155     static const uint16_t casemapped[] = { 0x0068, 0x0065, 0x0069, 0x00DF };
 156     ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
 157   }
 158 
 159   /* Case mappings for some characters can depend on the surrounding characters.  */
 160   { /* "ΠΕΡΙΣΣΌΤΕΡΕΣ ΠΛΗΡΟΦΟΡΊΕΣ" */
 161     static const uint16_t input[] =
 162       {
 163         0x03A0, 0x0395, 0x03A1, 0x0399, 0x03A3, 0x03A3, 0x038C, 0x03A4,
 164         0x0395, 0x03A1, 0x0395, 0x03A3, 0x0020, 0x03A0, 0x039B, 0x0397,
 165         0x03A1, 0x039F, 0x03A6, 0x039F, 0x03A1, 0x038A, 0x0395, 0x03A3
 166       };
 167     static const uint16_t casemapped[] =
 168       {
 169         0x03C0, 0x03B5, 0x03C1, 0x03B9, 0x03C3, 0x03C3, 0x03CC, 0x03C4,
 170         0x03B5, 0x03C1, 0x03B5, 0x03C2, 0x0020, 0x03C0, 0x03BB, 0x03B7,
 171         0x03C1, 0x03BF, 0x03C6, 0x03BF, 0x03C1, 0x03AF, 0x03B5, 0x03C2
 172       };
 173     ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
 174   }
 175   { /* "Σ" -> "σ" */
 176     static const uint16_t input[] =      { 0x03A3 };
 177     static const uint16_t casemapped[] = { 0x03C3 };
 178     ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
 179   }
 180   { /* "ΑΣ" -> "ας" */
 181     static const uint16_t input[] =      { 0x0391, 0x03A3 };
 182     static const uint16_t casemapped[] = { 0x03B1, 0x03C2 };
 183     ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
 184   }
 185   /* It's a final sigma only if not followed by a case-ignorable sequence and
 186      then a cased letter.  Note that U+0345 and U+037A are simultaneously
 187      case-ignorable and cased (which is a bit paradoxical).  */
 188   { /* "ΑΣΑ" -> "ασα" */
 189     static const uint16_t input[] =      { 0x0391, 0x03A3, 0x0391 };
 190     static const uint16_t casemapped[] = { 0x03B1, 0x03C3, 0x03B1 };
 191     ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
 192   }
 193   { /* "ΑΣ:" -> "ας:" */
 194     static const uint16_t input[] =      { 0x0391, 0x03A3, 0x003A };
 195     static const uint16_t casemapped[] = { 0x03B1, 0x03C2, 0x003A };
 196     ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
 197   }
 198   { /* "ΑΣ:Α" -> "ασ:α" */
 199     static const uint16_t input[] =      { 0x0391, 0x03A3, 0x003A, 0x0391 };
 200     static const uint16_t casemapped[] = { 0x03B1, 0x03C3, 0x003A, 0x03B1 };
 201     ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
 202   }
 203   { /* "ΑΣ:ͺ" -> "ασ:ͺ" */
 204     static const uint16_t input[] =      { 0x0391, 0x03A3, 0x003A, 0x037A };
 205     static const uint16_t casemapped[] = { 0x03B1, 0x03C3, 0x003A, 0x037A };
 206     ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
 207   }
 208   { /* "ΑΣ:ͺ " -> "ασ:ͺ " */
 209     static const uint16_t input[] =      { 0x0391, 0x03A3, 0x003A, 0x037A, 0x0020 };
 210     static const uint16_t casemapped[] = { 0x03B1, 0x03C3, 0x003A, 0x037A, 0x0020 };
 211     ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
 212   }
 213   /* It's a final sigma only if preceded by a case-ignorable sequence and
 214      a cased letter before it.  Note that U+0345 and U+037A are simultaneously
 215      case-ignorable and cased (which is a bit paradoxical).  */
 216   { /* ":Σ" -> ":σ" */
 217     static const uint16_t input[] =      { 0x003A, 0x03A3 };
 218     static const uint16_t casemapped[] = { 0x003A, 0x03C3 };
 219     ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
 220   }
 221   { /* "Α:Σ" -> "α:ς" */
 222     static const uint16_t input[] =      { 0x0391, 0x003A, 0x03A3 };
 223     static const uint16_t casemapped[] = { 0x03B1, 0x003A, 0x03C2 };
 224     ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
 225   }
 226   { /* "ͺ:Σ" -> "ͺ:ς" */
 227     static const uint16_t input[] =      { 0x037A, 0x003A, 0x03A3 };
 228     static const uint16_t casemapped[] = { 0x037A, 0x003A, 0x03C2 };
 229     ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
 230   }
 231   { /* " ͺ:Σ" -> " ͺ:ς" */
 232     static const uint16_t input[] =      { 0x0020, 0x037A, 0x003A, 0x03A3 };
 233     static const uint16_t casemapped[] = { 0x0020, 0x037A, 0x003A, 0x03C2 };
 234     ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
 235   }
 236 
 237   return 0;
 238 }
/* */
root/maint/gnulib/tests/unicase/test-u16-tolower.c

DEFINITIONS
