kc3-lang/gnulib/tests/test-c32isblank.c

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• Hash : 7a4592bd
  Author :
  Date : 2020-01-25T23:49:35
  

  c32isblank: Add tests.
  
  * tests/test-c32isblank.c: New file.
  * tests/test-c32isblank.sh: New file.
  * modules/c32isblank-tests: New file.
  

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• tests/test-c32isblank.c

• /* Test of c32isblank() function.
     Copyright (C) 2020 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 "signature.h"
  SIGNATURE_CHECK (c32isblank, int, (wint_t));
  
  #include <locale.h>
  #include <stdlib.h>
  #include <string.h>
  #include <wchar.h>
  
  #include "macros.h"
  
  /* Returns the value of c32isblank for the multibyte character s[0..n-1].  */
  static int
  for_character (const char *s, size_t n)
  {
    mbstate_t state;
    char32_t wc;
    size_t ret;
  
    memset (&state, '\0', sizeof (mbstate_t));
    wc = (char32_t) 0xBADFACE;
    ret = mbrtoc32 (&wc, s, n, &state);
    ASSERT (ret == n);
  
    return c32isblank (wc);
  }
  
  int
  main (int argc, char *argv[])
  {
    int is;
    char buf[4];
  
    /* configure should already have checked that the locale is supported.  */
    if (setlocale (LC_ALL, "") == NULL)
      return 1;
  
    /* Test WEOF.  */
    is = c32isblank (WEOF);
    ASSERT (is == 0);
  
    /* Test single-byte characters.
       POSIX specifies in
         <https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap07.html>
       that
         - in all locales, the blank characters include the <space> and <tab>
           characters,
         - in the "POSIX" locale (which is usually the same as the "C" locale),
           the blank characters include only the ASCII <space> and <tab>
           characters.  */
    {
      int c;
  
      for (c = 0; c < 0x100; c++)
        switch (c)
          {
          case '\t':
          #if !defined __NetBSD__
          case '\v':
          #endif
          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] = (unsigned char) c;
            is = for_character (buf, 1);
            if (c == '\t' || c == ' ')
              ASSERT (is != 0);
            else
              ASSERT (is == 0);
            break;
          }
    }
  
    if (argc > 1)
      switch (argv[1][0])
        {
        case '0':
          /* C locale; tested above.  */
          return 0;
  
        case '1':
          /* Locale encoding is ISO-8859-1 or ISO-8859-15.  */
          {
          #if defined __GLIBC__
            /* U+00A0 NO-BREAK SPACE */
            is = for_character ("\240", 1);
            ASSERT (is == 0);
          #endif
            /* U+00B7 MIDDLE DOT */
            is = for_character ("\267", 1);
            ASSERT (is == 0);
          }
          return 0;
  
        case '2':
          /* Locale encoding is EUC-JP.  */
          {
            /* U+3002 IDEOGRAPHIC FULL STOP */
            is = for_character ("\241\243", 2);
            ASSERT (is == 0);
          }
          return 0;
  
        case '3':
          /* Locale encoding is UTF-8.  */
          {
          #if defined __GLIBC__
            /* U+00A0 NO-BREAK SPACE */
            is = for_character ("\302\240", 2);
            ASSERT (is == 0);
          #endif
            /* U+00B7 MIDDLE DOT */
            is = for_character ("\302\267", 2);
            ASSERT (is == 0);
          #if defined __GLIBC__
            /* U+202F NARROW NO-BREAK SPACE */
            is = for_character ("\342\200\257", 3);
            ASSERT (is == 0);
          #endif
            /* U+3002 IDEOGRAPHIC FULL STOP */
            is = for_character ("\343\200\202", 3);
            ASSERT (is == 0);
            /* U+1D13D MUSICAL SYMBOL QUARTER REST */
            is = for_character ("\360\235\204\275", 4);
            ASSERT (is == 0);
            /* U+E0020 TAG SPACE */
            is = for_character ("\363\240\200\240", 4);
            ASSERT (is == 0);
          }
          return 0;
  
        case '4':
          /* Locale encoding is GB18030.  */
          {
          #if defined __GLIBC__
            /* U+00A0 NO-BREAK SPACE */
            is = for_character ("\201\060\204\062", 4);
            ASSERT (is == 0);
          #endif
            /* U+00B7 MIDDLE DOT */
            is = for_character ("\241\244", 2);
            ASSERT (is == 0);
          #if defined __GLIBC__
            /* U+202F NARROW NO-BREAK SPACE */
            is = for_character ("\201\066\247\062", 4);
            ASSERT (is == 0);
          #endif
            /* U+3002 IDEOGRAPHIC FULL STOP */
            is = for_character ("\241\243", 2);
            ASSERT (is == 0);
            /* U+1D13D MUSICAL SYMBOL QUARTER REST */
            is = for_character ("\224\062\301\065", 4);
            ASSERT (is == 0);
            /* U+E0020 TAG SPACE */
            is = for_character ("\323\066\231\060", 4);
            ASSERT (is == 0);
          }
          return 0;
  
        }
  
    return 1;
  }
  

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