kc3-lang/gnulib/tests/test-wcrtomb-w32.c

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  Date : 2023-01-01T01:14:21
  

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• tests/test-wcrtomb-w32.c

• /* Test of conversion of wide character to multibyte character.
     Copyright (C) 2008-2023 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/>.  */
  
  #include <config.h>
  
  #include <wchar.h>
  
  #include <locale.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  
  #include "localcharset.h"
  #include "macros.h"
  
  #if defined _WIN32 && !defined __CYGWIN__
  
  static int
  test_one_locale (const char *name, int codepage)
  {
    char buf[64];
    size_t ret;
  
  # if 1
    /* Portable code to set the locale.  */
    {
      char name_with_codepage[1024];
  
      sprintf (name_with_codepage, "%s.%d", name, codepage);
  
      /* Set the locale.  */
      if (setlocale (LC_ALL, name_with_codepage) == NULL)
        return 77;
    }
  # else
    /* Hacky way to set a locale.codepage combination that setlocale() refuses
       to set.  */
    {
      /* Codepage of the current locale, set with setlocale().
         Not necessarily the same as GetACP().  */
      extern __declspec(dllimport) unsigned int __lc_codepage;
  
      /* Set the locale.  */
      if (setlocale (LC_ALL, name) == NULL)
        return 77;
  
      /* Clobber the codepage and MB_CUR_MAX, both set by setlocale().  */
      __lc_codepage = codepage;
      switch (codepage)
        {
        case 1252:
        case 1256:
          MB_CUR_MAX = 1;
          break;
        case 932:
        case 950:
        case 936:
          MB_CUR_MAX = 2;
          break;
        case 54936:
        case 65001:
          MB_CUR_MAX = 4;
          break;
        }
  
      /* Test whether the codepage is really available.  */
      {
        mbstate_t state;
        wchar_t wc;
  
        memset (&state, '\0', sizeof (mbstate_t));
        if (mbrtowc (&wc, " ", 1, &state) == (size_t)(-1))
          return 77;
      }
    }
  # endif
  
    /* 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);
    }
  
    switch (codepage)
      {
      case 1252:
        /* Locale encoding is CP1252, an extension of ISO-8859-1.  */
        {
          /* Convert "B\374\337er": "Büßer" */
          memset (buf, 'x', 8);
          ret = wcrtomb (buf, 0x00FC, NULL);
          ASSERT (ret == 1);
          ASSERT (memcmp (buf, "\374", 1) == 0);
          ASSERT (buf[1] == 'x');
  
          memset (buf, 'x', 8);
          ret = wcrtomb (buf, 0x00DF, NULL);
          ASSERT (ret == 1);
          ASSERT (memcmp (buf, "\337", 1) == 0);
          ASSERT (buf[1] == 'x');
        }
        return 0;
  
      case 1256:
        /* Locale encoding is CP1256, not the same as ISO-8859-6.  */
        {
          /* Convert "x\302\341\346y": "xآلوy" */
          memset (buf, 'x', 8);
          ret = wcrtomb (buf, 0x0622, NULL);
          ASSERT (ret == 1);
          ASSERT (memcmp (buf, "\302", 1) == 0);
          ASSERT (buf[1] == 'x');
  
          memset (buf, 'x', 8);
          ret = wcrtomb (buf, 0x0644, NULL);
          ASSERT (ret == 1);
          ASSERT (memcmp (buf, "\341", 1) == 0);
          ASSERT (buf[1] == 'x');
  
          memset (buf, 'x', 8);
          ret = wcrtomb (buf, 0x0648, NULL);
          ASSERT (ret == 1);
          ASSERT (memcmp (buf, "\346", 1) == 0);
          ASSERT (buf[1] == 'x');
        }
        return 0;
  
      case 932:
        /* Locale encoding is CP932, similar to Shift_JIS.  */
        {
          /* Convert "<\223\372\226\173\214\352>": "<日本語>" */
          memset (buf, 'x', 8);
          ret = wcrtomb (buf, 0x65E5, NULL);
          ASSERT (ret == 2);
          ASSERT (memcmp (buf, "\223\372", 2) == 0);
          ASSERT (buf[2] == 'x');
  
          memset (buf, 'x', 8);
          ret = wcrtomb (buf, 0x672C, NULL);
          ASSERT (ret == 2);
          ASSERT (memcmp (buf, "\226\173", 2) == 0);
          ASSERT (buf[2] == 'x');
  
          memset (buf, 'x', 8);
          ret = wcrtomb (buf, 0x8A9E, NULL);
          ASSERT (ret == 2);
          ASSERT (memcmp (buf, "\214\352", 2) == 0);
          ASSERT (buf[2] == 'x');
        }
        return 0;
  
      case 950:
        /* Locale encoding is CP950, similar to Big5.  */
        {
          /* Convert "<\244\351\245\273\273\171>": "<日本語>" */
          memset (buf, 'x', 8);
          ret = wcrtomb (buf, 0x65E5, NULL);
          ASSERT (ret == 2);
          ASSERT (memcmp (buf, "\244\351", 2) == 0);
          ASSERT (buf[2] == 'x');
  
          memset (buf, 'x', 8);
          ret = wcrtomb (buf, 0x672C, NULL);
          ASSERT (ret == 2);
          ASSERT (memcmp (buf, "\245\273", 2) == 0);
          ASSERT (buf[2] == 'x');
  
          memset (buf, 'x', 8);
          ret = wcrtomb (buf, 0x8A9E, NULL);
          ASSERT (ret == 2);
          ASSERT (memcmp (buf, "\273\171", 2) == 0);
          ASSERT (buf[2] == 'x');
        }
        return 0;
  
      case 936:
        /* Locale encoding is CP936 = GBK, an extension of GB2312.  */
        {
          /* Convert "<\310\325\261\276\325\132>": "<日本語>" */
          memset (buf, 'x', 8);
          ret = wcrtomb (buf, 0x65E5, NULL);
          ASSERT (ret == 2);
          ASSERT (memcmp (buf, "\310\325", 2) == 0);
          ASSERT (buf[2] == 'x');
  
          memset (buf, 'x', 8);
          ret = wcrtomb (buf, 0x672C, NULL);
          ASSERT (ret == 2);
          ASSERT (memcmp (buf, "\261\276", 2) == 0);
          ASSERT (buf[2] == 'x');
  
          memset (buf, 'x', 8);
          ret = wcrtomb (buf, 0x8A9E, NULL);
          ASSERT (ret == 2);
          ASSERT (memcmp (buf, "\325\132", 2) == 0);
          ASSERT (buf[2] == 'x');
        }
        return 0;
  
      case 54936:
        /* Locale encoding is CP54936 = GB18030.  */
        if (strcmp (locale_charset (), "GB18030") != 0)
          return 77;
        {
          /* Convert "B\250\271\201\060\211\070er": "Büßer" */
          memset (buf, 'x', 8);
          ret = wcrtomb (buf, 0x00FC, NULL);
          ASSERT (ret == 2);
          ASSERT (memcmp (buf, "\250\271", 2) == 0);
          ASSERT (buf[2] == 'x');
  
          memset (buf, 'x', 8);
          ret = wcrtomb (buf, 0x00DF, NULL);
          ASSERT (ret == 4);
          ASSERT (memcmp (buf, "\201\060\211\070", 4) == 0);
          ASSERT (buf[4] == 'x');
        }
        return 0;
  
      case 65001:
        /* Locale encoding is CP65001 = UTF-8.  */
        if (strcmp (locale_charset (), "UTF-8") != 0)
          return 77;
        {
          /* Convert "B\303\274\303\237er": "Büßer" */
          memset (buf, 'x', 8);
          ret = wcrtomb (buf, 0x00FC, NULL);
          ASSERT (ret == 2);
          ASSERT (memcmp (buf, "\303\274", 2) == 0);
          ASSERT (buf[2] == 'x');
  
          memset (buf, 'x', 8);
          ret = wcrtomb (buf, 0x00DF, NULL);
          ASSERT (ret == 2);
          ASSERT (memcmp (buf, "\303\237", 2) == 0);
          ASSERT (buf[2] == 'x');
        }
        return 0;
  
      default:
        return 1;
      }
  }
  
  int
  main (int argc, char *argv[])
  {
    int codepage = atoi (argv[argc - 1]);
    int result;
    int i;
  
    result = 77;
    for (i = 1; i < argc - 1; i++)
      {
        int ret = test_one_locale (argv[i], codepage);
  
        if (ret != 77)
          result = ret;
      }
  
    if (result == 77)
      {
        fprintf (stderr, "Skipping test: found no locale with codepage %d\n",
                 codepage);
      }
    return result;
  }
  
  #else
  
  int
  main (int argc, char *argv[])
  {
    fputs ("Skipping test: not a native Windows system\n", stderr);
    return 77;
  }
  
  #endif
  

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