tests/test-iswdigit.c

   1 /* Test of iswdigit() function.
   2    Copyright (C) 2020-2024 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 #include <config.h>
  18
  19 #include <wctype.h>
  20
  21 #include "signature.h"
  22 SIGNATURE_CHECK (iswdigit, int, (wint_t));
  23
  24 #include <locale.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <wchar.h>
  28
  29 #include "macros.h"
  30
  31 /* Returns the value of iswdigit for the multibyte character s[0..n-1].  */
  32 static int
  33 for_character (const char *s, size_t n)
  34 {
  35   mbstate_t state;
  36   wchar_t wc;
  37   size_t ret;
  38
  39   memset (&state, '\0', sizeof (mbstate_t));
  40   wc = (wchar_t) 0xBADFACE;
  41   ret = mbrtowc (&wc, s, n, &state);
  42   if (ret == n)
  43     return iswdigit (wc);
  44   else
  45     return 0;
  46 }
  47
  48 int
  49 main (int argc, char *argv[])
  50 {
  51   int is;
  52   char buf[4];
  53
  54   /* configure should already have checked that the locale is supported.  */
  55   if (setlocale (LC_ALL, "") == NULL)
  56     return 1;
  57
  58   /* Test WEOF.  */
  59   is = iswdigit (WEOF);
  60   ASSERT (is == 0);
  61
  62   /* Test single-byte characters.
  63      ISO C 99 sections 7.25.2.1.5 and 5.2.1 specify that the decimal digits
  64      include only the ASCII 0 ... 9 characters.  */
  65   {
  66     int c;
  67
  68     for (c = 0; c < 0x100; c++)
  69       switch (c)
  70         {
  71         case '\t': case '\v': case '\f':
  72         case ' ': case '!': case '"': case '#': case '%':
  73         case '&': case '\'': case '(': case ')': case '*':
  74         case '+': case ',': case '-': case '.': case '/':
  75         case '0': case '1': case '2': case '3': case '4':
  76         case '5': case '6': case '7': case '8': case '9':
  77         case ':': case ';': case '<': case '=': case '>':
  78         case '?':
  79         case 'A': case 'B': case 'C': case 'D': case 'E':
  80         case 'F': case 'G': case 'H': case 'I': case 'J':
  81         case 'K': case 'L': case 'M': case 'N': case 'O':
  82         case 'P': case 'Q': case 'R': case 'S': case 'T':
  83         case 'U': case 'V': case 'W': case 'X': case 'Y':
  84         case 'Z':
  85         case '[': case '\\': case ']': case '^': case '_':
  86         case 'a': case 'b': case 'c': case 'd': case 'e':
  87         case 'f': case 'g': case 'h': case 'i': case 'j':
  88         case 'k': case 'l': case 'm': case 'n': case 'o':
  89         case 'p': case 'q': case 'r': case 's': case 't':
  90         case 'u': case 'v': case 'w': case 'x': case 'y':
  91         case 'z': case '{': case '|': case '}': case '~':
  92           /* c is in the ISO C "basic character set".  */
  93           buf[0] = (unsigned char) c;
  94           is = for_character (buf, 1);
  95           switch (c)
  96             {
  97             case '0': case '1': case '2': case '3': case '4':
  98             case '5': case '6': case '7': case '8': case '9':
  99               ASSERT (is != 0);
 100               break;
 101             default:
 102               ASSERT (is == 0);
 103               break;
 104             }
 105           break;
 106         }
 107   }
 108
 109   if (argc > 1)
 110     switch (argv[1][0])
 111       {
 112       case '0':
 113         /* C locale; tested above.  */
 114         return test_exit_status;
 115
 116       case '1':
 117         /* Locale encoding is ISO-8859-1 or ISO-8859-15.  */
 118         {
 119           /* U+00B2 SUPERSCRIPT TWO */
 120           is = for_character ("\262", 1);
 121           ASSERT (is == 0);
 122           /* U+00B3 SUPERSCRIPT THREE */
 123           is = for_character ("\263", 1);
 124           ASSERT (is == 0);
 125           /* U+00B9 SUPERSCRIPT ONE */
 126           is = for_character ("\271", 1);
 127           ASSERT (is == 0);
 128         }
 129         return test_exit_status;
 130
 131       case '2':
 132         /* Locale encoding is EUC-JP.  */
 133         {
 134           /* U+FF11 FULLWIDTH DIGIT ONE */
 135           is = for_character ("\243\261", 2);
 136           ASSERT (is == 0);
 137         }
 138         return test_exit_status;
 139
 140       case '3':
 141         /* Locale encoding is UTF-8.  */
 142         {
 143           /* U+00B2 SUPERSCRIPT TWO */
 144           is = for_character ("\302\262", 2);
 145           ASSERT (is == 0);
 146           /* U+00B3 SUPERSCRIPT THREE */
 147           is = for_character ("\302\263", 2);
 148           ASSERT (is == 0);
 149           /* U+00B9 SUPERSCRIPT ONE */
 150           is = for_character ("\302\271", 2);
 151           ASSERT (is == 0);
 152           /* U+0663 ARABIC-INDIC DIGIT THREE */
 153           is = for_character ("\331\243", 2);
 154           ASSERT (is == 0);
 155           /* U+2070 SUPERSCRIPT ZERO */
 156           is = for_character ("\342\201\260", 3);
 157           ASSERT (is == 0);
 158           /* U+2079 SUPERSCRIPT NINE */
 159           is = for_character ("\342\201\271", 3);
 160           ASSERT (is == 0);
 161           /* U+FF11 FULLWIDTH DIGIT ONE */
 162           is = for_character ("\357\274\221", 3);
 163           ASSERT (is == 0);
 164           /* U+1D7D1 MATHEMATICAL BOLD DIGIT THREE */
 165           is = for_character ("\360\235\237\221", 4);
 166           ASSERT (is == 0);
 167           /* U+1D7DB MATHEMATICAL DOUBLE-STRUCK DIGIT THREE */
 168           is = for_character ("\360\235\237\233", 4);
 169           ASSERT (is == 0);
 170           /* U+1D7E5 MATHEMATICAL SANS-SERIF DIGIT THREE */
 171           is = for_character ("\360\235\237\245", 4);
 172           ASSERT (is == 0);
 173           /* U+1D7EF MATHEMATICAL SANS-SERIF BOLD DIGIT THREE */
 174           is = for_character ("\360\235\237\257", 4);
 175           ASSERT (is == 0);
 176           /* U+1D7F9 MATHEMATICAL MONOSPACE DIGIT THREE */
 177           is = for_character ("\360\235\237\271", 4);
 178           ASSERT (is == 0);
 179           /* U+E0033 TAG DIGIT THREE */
 180           is = for_character ("\363\240\200\263", 4);
 181           ASSERT (is == 0);
 182         }
 183         return test_exit_status;
 184
 185       case '4':
 186         /* Locale encoding is GB18030.  */
 187         {
 188           /* U+00B2 SUPERSCRIPT TWO */
 189           is = for_character ("\201\060\205\065", 4);
 190           ASSERT (is == 0);
 191           /* U+00B3 SUPERSCRIPT THREE */
 192           is = for_character ("\201\060\205\066", 4);
 193           ASSERT (is == 0);
 194           /* U+00B9 SUPERSCRIPT ONE */
 195           is = for_character ("\201\060\206\061", 4);
 196           ASSERT (is == 0);
 197           /* U+0663 ARABIC-INDIC DIGIT THREE */
 198           is = for_character ("\201\061\211\071", 4);
 199           ASSERT (is == 0);
 200           /* U+2070 SUPERSCRIPT ZERO */
 201           is = for_character ("\201\066\255\062", 4);
 202           ASSERT (is == 0);
 203           /* U+2079 SUPERSCRIPT NINE */
 204           is = for_character ("\201\066\256\061", 4);
 205           ASSERT (is == 0);
 206           /* U+FF11 FULLWIDTH DIGIT ONE */
 207           is = for_character ("\243\261", 2);
 208           ASSERT (is == 0);
 209           /* U+1D7D1 MATHEMATICAL BOLD DIGIT THREE */
 210           is = for_character ("\224\063\353\071", 4);
 211           ASSERT (is == 0);
 212           /* U+1D7DB MATHEMATICAL DOUBLE-STRUCK DIGIT THREE */
 213           is = for_character ("\224\063\354\071", 4);
 214           ASSERT (is == 0);
 215           /* U+1D7E5 MATHEMATICAL SANS-SERIF DIGIT THREE */
 216           is = for_character ("\224\063\355\071", 4);
 217           ASSERT (is == 0);
 218           /* U+1D7EF MATHEMATICAL SANS-SERIF BOLD DIGIT THREE */
 219           is = for_character ("\224\063\356\071", 4);
 220           ASSERT (is == 0);
 221           /* U+1D7F9 MATHEMATICAL MONOSPACE DIGIT THREE */
 222           is = for_character ("\224\063\357\071", 4);
 223           ASSERT (is == 0);
 224           /* U+E0033 TAG DIGIT THREE */
 225           is = for_character ("\323\066\232\071", 4);
 226           ASSERT (is == 0);
 227         }
 228         return test_exit_status;
 229
 230       }
 231
 232   return 1;
 233 }