kc3-lang/gnulib/tests/test-wcrtomb.c

• Show log

  Commit

• Hash : 7b089321
  Author :
  Date : 2025-01-01T09:24:36
  

  maint: run 'make update-copyright'
  

Download

• tests/test-wcrtomb.c

• /* Test of conversion of wide character to multibyte character.
     Copyright (C) 2008-2025 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  /* Written by Bruno Haible <bruno@clisp.org>, 2008.  */
  
  #include <config.h>
  
  #include <wchar.h>
  
  #include "signature.h"
  SIGNATURE_CHECK (wcrtomb, size_t, (char *, wchar_t, mbstate_t *));
  
  #include <locale.h>
  #include <stdlib.h>
  #include <string.h>
  
  #include "macros.h"
  
  /* Check the multibyte character s[0..n-1].  */
  static void
  check_character (const char *s, size_t n)
  {
    wchar_t wc;
    char buf[64];
    int iret;
    size_t ret;
  
    wc = (wchar_t) 0xBADFACE;
    iret = mbtowc (&wc, s, n);
    ASSERT (iret == n);
  
    ret = wcrtomb (buf, wc, NULL);
    ASSERT (ret == n);
    ASSERT (memcmp (buf, s, n) == 0);
  
    /* Test special calling convention, passing a NULL pointer.  */
    ret = wcrtomb (NULL, wc, NULL);
    ASSERT (ret == 1);
  }
  
  int
  main (int argc, char *argv[])
  {
    char buf[64];
    size_t ret;
  
    /* configure should already have checked that the locale is supported.  */
    if (setlocale (LC_ALL, "") == NULL)
      return 1;
  
    /* Test NUL character.  */
    {
      buf[0] = 'x';
      ret = wcrtomb (buf, 0, NULL);
      ASSERT (ret == 1);
      ASSERT (buf[0] == '\0');
    }
  
    /* Test single bytes.  */
    {
      int c;
  
      for (c = 0; c < 0x100; c++)
        switch (c)
          {
          case '\t': case '\v': case '\f':
          case ' ': case '!': case '"': case '#': case '%':
          case '&': case '\'': case '(': case ')': case '*':
          case '+': case ',': case '-': case '.': case '/':
          case '0': case '1': case '2': case '3': case '4':
          case '5': case '6': case '7': case '8': case '9':
          case ':': case ';': case '<': case '=': case '>':
          case '?':
          case 'A': case 'B': case 'C': case 'D': case 'E':
          case 'F': case 'G': case 'H': case 'I': case 'J':
          case 'K': case 'L': case 'M': case 'N': case 'O':
          case 'P': case 'Q': case 'R': case 'S': case 'T':
          case 'U': case 'V': case 'W': case 'X': case 'Y':
          case 'Z':
          case '[': case '\\': case ']': case '^': case '_':
          case 'a': case 'b': case 'c': case 'd': case 'e':
          case 'f': case 'g': case 'h': case 'i': case 'j':
          case 'k': case 'l': case 'm': case 'n': case 'o':
          case 'p': case 'q': case 'r': case 's': case 't':
          case 'u': case 'v': case 'w': case 'x': case 'y':
          case 'z': case '{': case '|': case '}': case '~':
            /* c is in the ISO C "basic character set".  */
            ret = wcrtomb (buf, btowc (c), NULL);
            ASSERT (ret == 1);
            ASSERT (buf[0] == (char) c);
            break;
          }
    }
  
    /* Test special calling convention, passing a NULL pointer.  */
    {
      ret = wcrtomb (NULL, '\0', NULL);
      ASSERT (ret == 1);
      ret = wcrtomb (NULL, btowc ('x'), NULL);
      ASSERT (ret == 1);
    }
  
    if (argc > 1)
      switch (argv[1][0])
        {
        case '1':
          /* C locale; tested above.  */
          return test_exit_status;
  
        case '2':
          /* Locale encoding is ISO-8859-1 or ISO-8859-15.  */
          {
            const char input[] = "B\374\337er"; /* "Büßer" */
  
            check_character (input + 1, 1);
            check_character (input + 2, 1);
          }
          return test_exit_status;
  
        case '3':
          /* Locale encoding is UTF-8.  */
          {
            const char input[] = "B\303\274\303\237er"; /* "Büßer" */
  
            check_character (input + 1, 2);
            check_character (input + 3, 2);
          }
          return test_exit_status;
  
        case '4':
          /* Locale encoding is EUC-JP.  */
          {
            const char input[] = "<\306\374\313\334\270\354>"; /* "<日本語>" */
  
            check_character (input + 1, 2);
            check_character (input + 3, 2);
            check_character (input + 5, 2);
          }
          return test_exit_status;
  
        case '5':
          /* Locale encoding is GB18030.  */
          {
            const char input[] = "B\250\271\201\060\211\070er"; /* "Büßer" */
  
            check_character (input + 1, 2);
            check_character (input + 3, 4);
          }
          return test_exit_status;
        }
  
    return 1;
  }
  

Download