(root)/
findutils-4.9.0/
gnulib-tests/
test-iswdigit.c
       1  /* Test of iswdigit() function.
       2     Copyright (C) 2020-2022 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 0;
     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 0;
     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 0;
     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 0;
     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 0;
     229  
     230        }
     231  
     232    return 1;
     233  }