kc3-lang/gnulib/tests/test-mbrtowc-w32utf8.c

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

  maint: run 'make update-copyright'
  

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• tests/test-mbrtowc-w32utf8.c

• /* Test of conversion of multibyte character to wide character
     on native Windows in the UTF-8 environment.
     Copyright (C) 2024-2025 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>, 2024.  */
  
  #include <config.h>
  
  #include <wchar.h>
  
  #include <errno.h>
  #include <locale.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  
  #include "macros.h"
  
  int
  main (void)
  {
  #ifdef _UCRT
    /* Test that MB_CUR_MAX and mbrtowc() work as expected in a UTF-8 locale.  */
    mbstate_t state;
    wchar_t wc;
    size_t ret;
  
    if (setlocale (LC_ALL, "") == NULL)
      return 1;
  
    ASSERT (MB_CUR_MAX >= 4);
  
    {
      char input[] = "B\303\274\303\237er"; /* "Büßer" */
      memset (&state, '\0', sizeof (mbstate_t));
  
      wc = (wchar_t) 0xBADFACE;
      ret = mbrtowc (&wc, input, 1, &state);
      ASSERT (ret == 1);
      ASSERT (wc == 'B');
      ASSERT (mbsinit (&state));
      input[0] = '\0';
  
      wc = (wchar_t) 0xBADFACE;
      ret = mbrtowc (&wc, input + 1, 1, &state);
      ASSERT (ret == (size_t)(-2));
      ASSERT (wc == (wchar_t) 0xBADFACE);
      ASSERT (!mbsinit (&state));
      input[1] = '\0';
  
      wc = (wchar_t) 0xBADFACE;
      ret = mbrtowc (&wc, input + 2, 5, &state);
      ASSERT (ret == 1);
      ASSERT (wctob (wc) == EOF);
      ASSERT (wc == 0x00FC);
      ASSERT (mbsinit (&state));
      input[2] = '\0';
  
      /* Test support of NULL first argument.  */
      ret = mbrtowc (NULL, input + 3, 4, &state);
      ASSERT (ret == 2);
      ASSERT (mbsinit (&state));
  
      wc = (wchar_t) 0xBADFACE;
      ret = mbrtowc (&wc, input + 3, 4, &state);
      ASSERT (ret == 2);
      ASSERT (wctob (wc) == EOF);
      ASSERT (wc == 0x00DF);
      ASSERT (mbsinit (&state));
      input[3] = '\0';
      input[4] = '\0';
  
      wc = (wchar_t) 0xBADFACE;
      ret = mbrtowc (&wc, input + 5, 2, &state);
      ASSERT (ret == 1);
      ASSERT (wc == 'e');
      ASSERT (mbsinit (&state));
      input[5] = '\0';
  
      wc = (wchar_t) 0xBADFACE;
      ret = mbrtowc (&wc, input + 6, 1, &state);
      ASSERT (ret == 1);
      ASSERT (wc == 'r');
      ASSERT (mbsinit (&state));
  
      /* Test some invalid input.  */
      memset (&state, '\0', sizeof (mbstate_t));
      wc = (wchar_t) 0xBADFACE;
      ret = mbrtowc (&wc, "\377", 1, &state); /* 0xFF */
      ASSERT (ret == (size_t)-1);
      ASSERT (errno == EILSEQ);
  
      memset (&state, '\0', sizeof (mbstate_t));
      wc = (wchar_t) 0xBADFACE;
      ret = mbrtowc (&wc, "\303\300", 2, &state); /* 0xC3 0xC0 */
      ASSERT (ret == (size_t)-1);
      ASSERT (errno == EILSEQ);
  
      memset (&state, '\0', sizeof (mbstate_t));
      wc = (wchar_t) 0xBADFACE;
      ret = mbrtowc (&wc, "\343\300", 2, &state); /* 0xE3 0xC0 */
      ASSERT (ret == (size_t)-1);
      ASSERT (errno == EILSEQ);
  
      memset (&state, '\0', sizeof (mbstate_t));
      wc = (wchar_t) 0xBADFACE;
      ret = mbrtowc (&wc, "\343\300\200", 3, &state); /* 0xE3 0xC0 0x80 */
      ASSERT (ret == (size_t)-1);
      ASSERT (errno == EILSEQ);
  
      memset (&state, '\0', sizeof (mbstate_t));
      wc = (wchar_t) 0xBADFACE;
      ret = mbrtowc (&wc, "\343\200\300", 3, &state); /* 0xE3 0x80 0xC0 */
      ASSERT (ret == (size_t)-1);
      ASSERT (errno == EILSEQ);
  
      memset (&state, '\0', sizeof (mbstate_t));
      wc = (wchar_t) 0xBADFACE;
      ret = mbrtowc (&wc, "\363\300", 2, &state); /* 0xF3 0xC0 */
      ASSERT (ret == (size_t)-1);
      ASSERT (errno == EILSEQ);
  
      memset (&state, '\0', sizeof (mbstate_t));
      wc = (wchar_t) 0xBADFACE;
      ret = mbrtowc (&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 = (wchar_t) 0xBADFACE;
      ret = mbrtowc (&wc, "\363\200\300", 3, &state); /* 0xF3 0x80 0xC0 */
      ASSERT (ret == (size_t)-1);
      ASSERT (errno == EILSEQ);
  
      memset (&state, '\0', sizeof (mbstate_t));
      wc = (wchar_t) 0xBADFACE;
      ret = mbrtowc (&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 = (wchar_t) 0xBADFACE;
      ret = mbrtowc (&wc, "\363\200\200\300", 4, &state); /* 0xF3 0x80 0x80 0xC0 */
      ASSERT (ret == (size_t)-1);
      ASSERT (errno == EILSEQ);
    }
  
    return test_exit_status;
  #else
    fputs ("Skipping test: not using the UCRT runtime\n", stderr);
    return 77;
  #endif
  }
  

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