tests/test-c32iscntrl.c

   1 /* Test of c32iscntrl() function.
   2    Copyright (C) 2020 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 #include <config.h>
  18
  19 #include <uchar.h>
  20
  21 #include "signature.h"
  22 SIGNATURE_CHECK (c32iscntrl, int, (wint_t));
  23
  24 #include <locale.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <wchar.h>
  28
  29 #include "macros.h"
  30
  31 /* Returns the value of c32iscntrl for the multibyte character s[0..n-1].  */
  32 static int
  33 for_character (const char *s, size_t n)
  34 {
  35   mbstate_t state;
  36   char32_t wc;
  37   size_t ret;
  38
  39   memset (&state, '\0', sizeof (mbstate_t));
  40   wc = (char32_t) 0xBADFACE;
  41   ret = mbrtoc32 (&wc, s, n, &state);
  42   ASSERT (ret == n);
  43
  44   return c32iscntrl (wc);
  45 }
  46
  47 int
  48 main (int argc, char *argv[])
  49 {
  50   int is;
  51   char buf[4];
  52
  53   /* configure should already have checked that the locale is supported.  */
  54   if (setlocale (LC_ALL, "") == NULL)
  55     return 1;
  56
  57   /* Test WEOF.  */
  58   is = c32iscntrl (WEOF);
  59   ASSERT (is == 0);
  60
  61   /* Test single-byte characters.
  62      POSIX specifies in
  63        <https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap07.html>
  64      no explicit list of control characters.  */
  65   {
  66     int c;
  67
  68     for (c = 0; c < 0x100; c++)
  69       switch (c)
  70         {
  71         case '\t': case '\v': case '\f':
  72         case ' ': case '!': case '"': case '#': case '%':
  73         case '&': case '\'': case '(': case ')': case '*':
  74         case '+': case ',': case '-': case '.': case '/':
  75         case '0': case '1': case '2': case '3': case '4':
  76         case '5': case '6': case '7': case '8': case '9':
  77         case ':': case ';': case '<': case '=': case '>':
  78         case '?':
  79         case 'A': case 'B': case 'C': case 'D': case 'E':
  80         case 'F': case 'G': case 'H': case 'I': case 'J':
  81         case 'K': case 'L': case 'M': case 'N': case 'O':
  82         case 'P': case 'Q': case 'R': case 'S': case 'T':
  83         case 'U': case 'V': case 'W': case 'X': case 'Y':
  84         case 'Z':
  85         case '[': case '\\': case ']': case '^': case '_':
  86         case 'a': case 'b': case 'c': case 'd': case 'e':
  87         case 'f': case 'g': case 'h': case 'i': case 'j':
  88         case 'k': case 'l': case 'm': case 'n': case 'o':
  89         case 'p': case 'q': case 'r': case 's': case 't':
  90         case 'u': case 'v': case 'w': case 'x': case 'y':
  91         case 'z': case '{': case '|': case '}': case '~':
  92           /* c is in the ISO C "basic character set".  */
  93           buf[0] = (unsigned char) c;
  94           is = for_character (buf, 1);
  95           switch (c)
  96             {
  97             case '\t': case '\v': case '\f':
  98               ASSERT (is != 0);
  99               break;
 100             default:
 101               ASSERT (is == 0);
 102               break;
 103             }
 104           break;
 105         }
 106   }
 107
 108   if (argc > 1)
 109     switch (argv[1][0])
 110       {
 111       case '0':
 112         /* C locale; tested above.  */
 113         return 0;
 114
 115       case '1':
 116         /* Locale encoding is ISO-8859-1 or ISO-8859-15.  */
 117         {
 118           /* U+007F <control> */
 119           is = for_character ("\177", 1);
 120           ASSERT (is != 0);
 121           /* U+00A0 NO-BREAK SPACE */
 122           is = for_character ("\240", 1);
 123           ASSERT (is == 0);
 124         }
 125         return 0;
 126
 127       case '2':
 128         /* Locale encoding is EUC-JP.  */
 129         {
 130           /* U+007F <control> */
 131           is = for_character ("\177", 1);
 132           ASSERT (is != 0);
 133           /* U+3000 IDEOGRAPHIC SPACE */
 134           is = for_character ("\241\241", 2);
 135           ASSERT (is == 0);
 136         }
 137         return 0;
 138
 139       case '3':
 140         /* Locale encoding is UTF-8.  */
 141         {
 142           /* U+007F <control> */
 143           is = for_character ("\177", 1);
 144           ASSERT (is != 0);
 145           /* U+00A0 NO-BREAK SPACE */
 146           is = for_character ("\302\240", 2);
 147           ASSERT (is == 0);
 148         #if !(defined __GLIBC__ || defined __FreeBSD__ || defined __DragonFly__ || defined _AIX || defined __sun || defined __CYGWIN__)
 149           /* U+202E RIGHT-TO-LEFT OVERRIDE */
 150           is = for_character ("\342\200\256", 3);
 151           ASSERT (is != 0);
 152         #endif
 153           /* U+3000 IDEOGRAPHIC SPACE */
 154           is = for_character ("\343\200\200", 3);
 155           ASSERT (is == 0);
 156         #if !(defined __GLIBC__ || defined __FreeBSD__ || defined __DragonFly__ || defined _AIX || defined __sun || defined __CYGWIN__)
 157           /* U+FEFF ZERO WIDTH NO-BREAK SPACE */
 158           is = for_character ("\357\273\277", 3);
 159           ASSERT (is != 0);
 160         #endif
 161           /* U+20000 <CJK Ideograph> */
 162           is = for_character ("\360\240\200\200", 4);
 163           ASSERT (is == 0);
 164         #if !(defined __GLIBC__ || defined __FreeBSD__ || defined __DragonFly__ || defined _AIX || defined __sun || defined __CYGWIN__ || (defined _WIN32 && !defined __CYGWIN__))
 165           /* U+E0001 LANGUAGE TAG */
 166           is = for_character ("\363\240\200\201", 4);
 167           ASSERT (is != 0);
 168         #endif
 169         }
 170         return 0;
 171
 172       case '4':
 173         /* Locale encoding is GB18030.  */
 174         {
 175           /* U+007F <control> */
 176           is = for_character ("\177", 1);
 177           ASSERT (is != 0);
 178           /* U+00A0 NO-BREAK SPACE */
 179           is = for_character ("\201\060\204\062", 4);
 180           ASSERT (is == 0);
 181         #if !(defined __GLIBC__ || defined __FreeBSD__ || defined __DragonFly__ || defined __sun)
 182           /* U+202E RIGHT-TO-LEFT OVERRIDE */
 183           is = for_character ("\201\066\247\061", 4);
 184           ASSERT (is != 0);
 185         #endif
 186           /* U+3000 IDEOGRAPHIC SPACE */
 187           is = for_character ("\241\241", 2);
 188           ASSERT (is == 0);
 189         #if !(defined __GLIBC__ || defined __FreeBSD__ || defined __DragonFly__ || defined __sun)
 190           /* U+FEFF ZERO WIDTH NO-BREAK SPACE */
 191           is = for_character ("\204\061\225\063", 4);
 192           ASSERT (is != 0);
 193         #endif
 194           /* U+20000 <CJK Ideograph> */
 195           is = for_character ("\225\062\202\066", 4);
 196           ASSERT (is == 0);
 197         #if !(defined __GLIBC__ || (defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __DragonFly__ || defined __NetBSD__ || defined __sun)
 198           /* U+E0001 LANGUAGE TAG */
 199           is = for_character ("\323\066\225\071", 4);
 200           ASSERT (is != 0);
 201         #endif
 202         }
 203         return 0;
 204
 205       }
 206
 207   return 1;
 208 }