kc3-lang/gnulib/tests/test-mbrtoc16-w32.c

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  Date : 2024-01-01T10:31:48
  

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• tests/test-mbrtoc16-w32.c

• /* Test of conversion of multibyte character to 16-bit wide characters.
     Copyright (C) 2008-2024 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 <uchar.h>
  
  #include <errno.h>
  #include <locale.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <wchar.h>
  
  #include "localcharset.h"
  #include "macros.h"
  
  #if defined _WIN32 && !defined __CYGWIN__
  
  static int
  test_one_locale (const char *name, int codepage)
  {
    mbstate_t state;
    char16_t wc;
    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.  */
      memset (&state, '\0', sizeof (mbstate_t));
      if (mbrtoc16 (&wc, " ", 1, &state) == (size_t)(-1))
        return 77;
    }
  # endif
  
    /* Test zero-length input.  */
    {
      memset (&state, '\0', sizeof (mbstate_t));
      wc = (char16_t) 0xBADF;
      ret = mbrtoc16 (&wc, "x", 0, &state);
      ASSERT (ret == (size_t)(-2));
      ASSERT (mbsinit (&state));
    }
  
    /* Test NUL byte input.  */
    {
      memset (&state, '\0', sizeof (mbstate_t));
      wc = (char16_t) 0xBADF;
      ret = mbrtoc16 (&wc, "", 1, &state);
      ASSERT (ret == 0);
      ASSERT (wc == 0);
      ASSERT (mbsinit (&state));
      ret = mbrtoc16 (NULL, "", 1, &state);
      ASSERT (ret == 0);
      ASSERT (mbsinit (&state));
    }
  
    /* Test single-byte input.  */
    {
      int c;
      char buf[1];
  
      memset (&state, '\0', sizeof (mbstate_t));
      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".  */
            buf[0] = c;
            wc = (char16_t) 0xBADF;
            ret = mbrtoc16 (&wc, buf, 1, &state);
            ASSERT (ret == 1);
            ASSERT (wc == c);
            ASSERT (mbsinit (&state));
            ret = mbrtoc16 (NULL, buf, 1, &state);
            ASSERT (ret == 1);
            ASSERT (mbsinit (&state));
            break;
          }
    }
  
    /* Test special calling convention, passing a NULL pointer.  */
    {
      memset (&state, '\0', sizeof (mbstate_t));
      wc = (char16_t) 0xBADF;
      ret = mbrtoc16 (&wc, NULL, 5, &state);
      ASSERT (ret == 0);
      ASSERT (wc == (char16_t) 0xBADF);
      ASSERT (mbsinit (&state));
    }
  
    switch (codepage)
      {
      case 1252:
        /* Locale encoding is CP1252, an extension of ISO-8859-1.  */
        {
          char input[] = "B\374\337er"; /* "Büßer" */
          memset (&state, '\0', sizeof (mbstate_t));
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input, 1, &state);
          ASSERT (ret == 1);
          ASSERT (wc == 'B');
          ASSERT (mbsinit (&state));
          input[0] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 1, 1, &state);
          ASSERT (ret == 1);
          ASSERT (c32tob (wc) == (unsigned char) '\374');
          ASSERT (wc == 0x00FC);
          ASSERT (mbsinit (&state));
          input[1] = '\0';
  
          /* Test support of NULL first argument.  */
          ret = mbrtoc16 (NULL, input + 2, 3, &state);
          ASSERT (ret == 1);
          ASSERT (mbsinit (&state));
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 2, 3, &state);
          ASSERT (ret == 1);
          ASSERT (c32tob (wc) == (unsigned char) '\337');
          ASSERT (wc == 0x00DF);
          ASSERT (mbsinit (&state));
          input[2] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 3, 2, &state);
          ASSERT (ret == 1);
          ASSERT (wc == 'e');
          ASSERT (mbsinit (&state));
          input[3] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 4, 1, &state);
          ASSERT (ret == 1);
          ASSERT (wc == 'r');
          ASSERT (mbsinit (&state));
        }
        return 0;
  
      case 1256:
        /* Locale encoding is CP1256, not the same as ISO-8859-6.  */
        {
          char input[] = "x\302\341\346y"; /* "xآلوy" */
          memset (&state, '\0', sizeof (mbstate_t));
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input, 1, &state);
          ASSERT (ret == 1);
          ASSERT (wc == 'x');
          ASSERT (mbsinit (&state));
          input[0] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 1, 1, &state);
          ASSERT (ret == 1);
          ASSERT (c32tob (wc) == (unsigned char) '\302');
          ASSERT (wc == 0x0622);
          ASSERT (mbsinit (&state));
          input[1] = '\0';
  
          /* Test support of NULL first argument.  */
          ret = mbrtoc16 (NULL, input + 2, 3, &state);
          ASSERT (ret == 1);
          ASSERT (mbsinit (&state));
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 2, 3, &state);
          ASSERT (ret == 1);
          ASSERT (c32tob (wc) == (unsigned char) '\341');
          ASSERT (wc == 0x0644);
          ASSERT (mbsinit (&state));
          input[2] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 3, 2, &state);
          ASSERT (ret == 1);
          ASSERT (c32tob (wc) == (unsigned char) '\346');
          ASSERT (wc == 0x0648);
          ASSERT (mbsinit (&state));
          input[3] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 4, 1, &state);
          ASSERT (ret == 1);
          ASSERT (wc == 'y');
          ASSERT (mbsinit (&state));
        }
        return 0;
  
      case 65001:
        /* Locale encoding is CP65001 = UTF-8.  */
        if (strcmp (locale_charset (), "UTF-8") != 0)
          return 77;
        {
          char input[] = "s\303\274\303\237\360\237\230\213!"; /* "süß😋!" */
          memset (&state, '\0', sizeof (mbstate_t));
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input, 1, &state);
          ASSERT (ret == 1);
          ASSERT (wc == 's');
          ASSERT (mbsinit (&state));
          input[0] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 1, 1, &state);
          ASSERT (ret == (size_t)(-2));
          ASSERT (wc == (char16_t) 0xBADF);
          #if 0
          ASSERT (!mbsinit (&state));
          #endif
          input[1] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 2, 7, &state);
          ASSERT (ret == 1);
          ASSERT (c32tob (wc) == EOF);
          ASSERT (wc == 0x00FC);
          ASSERT (mbsinit (&state));
          input[2] = '\0';
  
          /* Test support of NULL first argument.  */
          ret = mbrtoc16 (NULL, input + 3, 6, &state);
          ASSERT (ret == 2);
          ASSERT (mbsinit (&state));
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 3, 6, &state);
          ASSERT (ret == 2);
          ASSERT (c32tob (wc) == EOF);
          ASSERT (wc == 0x00DF);
          ASSERT (mbsinit (&state));
          input[3] = '\0';
          input[4] = '\0';
  
          /* Test support of NULL first argument.  */
          ret = mbrtoc16 (NULL, input + 5, 4, &state);
          ASSERT (ret == 4);
          ret = mbrtoc16 (NULL, input + 9, 0, &state);
          ASSERT (ret == (size_t)(-3));
          ASSERT (mbsinit (&state));
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 5, 4, &state);
          ASSERT (ret == 4);
          ASSERT (c32tob (wc) == EOF);
          ASSERT (wc == 0xD83D); /* expect UTF-16 encoding */
          input[5] = '\0';
          input[6] = '\0';
          input[7] = '\0';
          input[8] = '\0';
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 9, 0, &state);
          ASSERT (ret == (size_t)(-3));
          ASSERT (c32tob (wc) == EOF);
          ASSERT (wc == 0xDE0B); /* expect UTF-16 encoding */
          ASSERT (mbsinit (&state));
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 9, 1, &state);
          ASSERT (ret == 1);
          ASSERT (wc == '!');
          ASSERT (mbsinit (&state));
  
          /* Test some invalid input.  */
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\377", 1, &state); /* 0xFF */
          ASSERT (ret == (size_t)-1);
          ASSERT (errno == EILSEQ);
  
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\303\300", 2, &state); /* 0xC3 0xC0 */
          ASSERT (ret == (size_t)-1);
          ASSERT (errno == EILSEQ);
  
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\343\300", 2, &state); /* 0xE3 0xC0 */
          ASSERT (ret == (size_t)-1);
          ASSERT (errno == EILSEQ);
  
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\343\300\200", 3, &state); /* 0xE3 0xC0 0x80 */
          ASSERT (ret == (size_t)-1);
          ASSERT (errno == EILSEQ);
  
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\343\200\300", 3, &state); /* 0xE3 0x80 0xC0 */
          ASSERT (ret == (size_t)-1);
          ASSERT (errno == EILSEQ);
  
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\363\300", 2, &state); /* 0xF3 0xC0 */
          ASSERT (ret == (size_t)-1);
          ASSERT (errno == EILSEQ);
  
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\363\300\200\200", 4, &state); /* 0xF3 0xC0 0x80 0x80 */
          ASSERT (ret == (size_t)-1);
          ASSERT (errno == EILSEQ);
  
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\363\200\300", 3, &state); /* 0xF3 0x80 0xC0 */
          ASSERT (ret == (size_t)-1);
          ASSERT (errno == EILSEQ);
  
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\363\200\300\200", 4, &state); /* 0xF3 0x80 0xC0 0x80 */
          ASSERT (ret == (size_t)-1);
          ASSERT (errno == EILSEQ);
  
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\363\200\200\300", 4, &state); /* 0xF3 0x80 0x80 0xC0 */
          ASSERT (ret == (size_t)-1);
          ASSERT (errno == EILSEQ);
        }
        return 0;
  
      case 932:
        /* Locale encoding is CP932, similar to Shift_JIS.  */
        {
          char input[] = "<\223\372\226\173\214\352>"; /* "<日本語>" */
          memset (&state, '\0', sizeof (mbstate_t));
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input, 1, &state);
          ASSERT (ret == 1);
          ASSERT (wc == '<');
          ASSERT (mbsinit (&state));
          input[0] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 1, 2, &state);
          ASSERT (ret == 2);
          ASSERT (c32tob (wc) == EOF);
          ASSERT (wc == 0x65E5);
          ASSERT (mbsinit (&state));
          input[1] = '\0';
          input[2] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 3, 1, &state);
          ASSERT (ret == (size_t)(-2));
          ASSERT (wc == (char16_t) 0xBADF);
          #if 0
          ASSERT (!mbsinit (&state));
          #endif
          input[3] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 4, 4, &state);
          ASSERT (ret == 1);
          ASSERT (c32tob (wc) == EOF);
          ASSERT (wc == 0x672C);
          ASSERT (mbsinit (&state));
          input[4] = '\0';
  
          /* Test support of NULL first argument.  */
          ret = mbrtoc16 (NULL, input + 5, 3, &state);
          ASSERT (ret == 2);
          ASSERT (mbsinit (&state));
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 5, 3, &state);
          ASSERT (ret == 2);
          ASSERT (c32tob (wc) == EOF);
          ASSERT (wc == 0x8A9E);
          ASSERT (mbsinit (&state));
          input[5] = '\0';
          input[6] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 7, 1, &state);
          ASSERT (ret == 1);
          ASSERT (wc == '>');
          ASSERT (mbsinit (&state));
  
          /* Test some invalid input.  */
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\377", 1, &state); /* 0xFF */
          ASSERT ((ret == (size_t)-1 && errno == EILSEQ) || ret == (size_t)-2);
  
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\225\377", 2, &state); /* 0x95 0xFF */
          ASSERT ((ret == (size_t)-1 && errno == EILSEQ) || (ret == 2 && wc == 0x30FB));
        }
        return 0;
  
      case 950:
        /* Locale encoding is CP950, similar to Big5.  */
        {
          char input[] = "<\244\351\245\273\273\171>"; /* "<日本語>" */
          memset (&state, '\0', sizeof (mbstate_t));
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input, 1, &state);
          ASSERT (ret == 1);
          ASSERT (wc == '<');
          ASSERT (mbsinit (&state));
          input[0] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 1, 2, &state);
          ASSERT (ret == 2);
          ASSERT (c32tob (wc) == EOF);
          ASSERT (wc == 0x65E5);
          ASSERT (mbsinit (&state));
          input[1] = '\0';
          input[2] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 3, 1, &state);
          ASSERT (ret == (size_t)(-2));
          ASSERT (wc == (char16_t) 0xBADF);
          #if 0
          ASSERT (!mbsinit (&state));
          #endif
          input[3] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 4, 4, &state);
          ASSERT (ret == 1);
          ASSERT (c32tob (wc) == EOF);
          ASSERT (wc == 0x672C);
          ASSERT (mbsinit (&state));
          input[4] = '\0';
  
          /* Test support of NULL first argument.  */
          ret = mbrtoc16 (NULL, input + 5, 3, &state);
          ASSERT (ret == 2);
          ASSERT (mbsinit (&state));
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 5, 3, &state);
          ASSERT (ret == 2);
          ASSERT (c32tob (wc) == EOF);
          ASSERT (wc == 0x8A9E);
          ASSERT (mbsinit (&state));
          input[5] = '\0';
          input[6] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 7, 1, &state);
          ASSERT (ret == 1);
          ASSERT (wc == '>');
          ASSERT (mbsinit (&state));
  
          /* Test some invalid input.  */
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\377", 1, &state); /* 0xFF */
          ASSERT ((ret == (size_t)-1 && errno == EILSEQ) || ret == (size_t)-2);
  
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\225\377", 2, &state); /* 0x95 0xFF */
          ASSERT ((ret == (size_t)-1 && errno == EILSEQ) || (ret == 2 && wc == '?'));
        }
        return 0;
  
      case 936:
        /* Locale encoding is CP936 = GBK, an extension of GB2312.  */
        {
          char input[] = "<\310\325\261\276\325\132>"; /* "<日本語>" */
          memset (&state, '\0', sizeof (mbstate_t));
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input, 1, &state);
          ASSERT (ret == 1);
          ASSERT (wc == '<');
          ASSERT (mbsinit (&state));
          input[0] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 1, 2, &state);
          ASSERT (ret == 2);
          ASSERT (c32tob (wc) == EOF);
          ASSERT (wc == 0x65E5);
          ASSERT (mbsinit (&state));
          input[1] = '\0';
          input[2] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 3, 1, &state);
          ASSERT (ret == (size_t)(-2));
          ASSERT (wc == (char16_t) 0xBADF);
          #if 0
          ASSERT (!mbsinit (&state));
          #endif
          input[3] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 4, 4, &state);
          ASSERT (ret == 1);
          ASSERT (c32tob (wc) == EOF);
          ASSERT (wc == 0x672C);
          ASSERT (mbsinit (&state));
          input[4] = '\0';
  
          /* Test support of NULL first argument.  */
          ret = mbrtoc16 (NULL, input + 5, 3, &state);
          ASSERT (ret == 2);
          ASSERT (mbsinit (&state));
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 5, 3, &state);
          ASSERT (ret == 2);
          ASSERT (c32tob (wc) == EOF);
          ASSERT (wc == 0x8A9E);
          ASSERT (mbsinit (&state));
          input[5] = '\0';
          input[6] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 7, 1, &state);
          ASSERT (ret == 1);
          ASSERT (wc == '>');
          ASSERT (mbsinit (&state));
  
          /* Test some invalid input.  */
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\377", 1, &state); /* 0xFF */
          ASSERT ((ret == (size_t)-1 && errno == EILSEQ) || ret == (size_t)-2);
  
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\225\377", 2, &state); /* 0x95 0xFF */
          ASSERT ((ret == (size_t)-1 && errno == EILSEQ) || (ret == 2 && wc == '?'));
        }
        return 0;
  
      case 54936:
        /* Locale encoding is CP54936 = GB18030.  */
        if (strcmp (locale_charset (), "GB18030") != 0)
          return 77;
        {
          char input[] = "s\250\271\201\060\211\070\224\071\375\067!"; /* "süß😋!" */
          memset (&state, '\0', sizeof (mbstate_t));
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input, 1, &state);
          ASSERT (ret == 1);
          ASSERT (wc == 's');
          ASSERT (mbsinit (&state));
          input[0] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 1, 1, &state);
          ASSERT (ret == (size_t)(-2));
          ASSERT (wc == (char16_t) 0xBADF);
          #if 0
          ASSERT (!mbsinit (&state));
          #endif
          input[1] = '\0';
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 2, 9, &state);
          ASSERT (ret == 1);
          ASSERT (c32tob (wc) == EOF);
          ASSERT (wc == 0x00FC);
          ASSERT (mbsinit (&state));
          input[2] = '\0';
  
          /* Test support of NULL first argument.  */
          ret = mbrtoc16 (NULL, input + 3, 8, &state);
          ASSERT (ret == 4);
          ASSERT (mbsinit (&state));
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 3, 8, &state);
          ASSERT (ret == 4);
          ASSERT (c32tob (wc) == EOF);
          ASSERT (wc == 0x00DF);
          ASSERT (mbsinit (&state));
          input[3] = '\0';
          input[4] = '\0';
          input[5] = '\0';
          input[6] = '\0';
  
          /* Test support of NULL first argument.  */
          ret = mbrtoc16 (NULL, input + 7, 4, &state);
          ASSERT (ret == 4);
          ret = mbrtoc16 (NULL, input + 11, 0, &state);
          ASSERT (ret == (size_t)(-3));
          ASSERT (mbsinit (&state));
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 7, 4, &state);
          ASSERT (ret == 4);
          ASSERT (c32tob (wc) == EOF);
          ASSERT (wc == 0xD83D); /* expect UTF-16 encoding */
          input[7] = '\0';
          input[8] = '\0';
          input[9] = '\0';
          input[10] = '\0';
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 11, 0, &state);
          ASSERT (ret == (size_t)(-3));
          ASSERT (c32tob (wc) == EOF);
          ASSERT (wc == 0xDE0B); /* expect UTF-16 encoding */
          ASSERT (mbsinit (&state));
  
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, input + 11, 1, &state);
          ASSERT (ret == 1);
          ASSERT (wc == '!');
          ASSERT (mbsinit (&state));
  
          /* Test some invalid input.  */
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\377", 1, &state); /* 0xFF */
          ASSERT (ret == (size_t)-1);
          ASSERT (errno == EILSEQ);
  
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\225\377", 2, &state); /* 0x95 0xFF */
          ASSERT (ret == (size_t)-1);
          ASSERT (errno == EILSEQ);
  
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\201\045", 2, &state); /* 0x81 0x25 */
          ASSERT (ret == (size_t)-1);
          ASSERT (errno == EILSEQ);
  
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\201\060\377", 3, &state); /* 0x81 0x30 0xFF */
          ASSERT (ret == (size_t)-1);
          ASSERT (errno == EILSEQ);
  
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\201\060\377\064", 4, &state); /* 0x81 0x30 0xFF 0x34 */
          ASSERT (ret == (size_t)-1);
          ASSERT (errno == EILSEQ);
  
          memset (&state, '\0', sizeof (mbstate_t));
          wc = (char16_t) 0xBADF;
          ret = mbrtoc16 (&wc, "\201\060\211\072", 4, &state); /* 0x81 0x30 0x89 0x3A */
          ASSERT (ret == (size_t)-1);
          ASSERT (errno == EILSEQ);
        }
        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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