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/* Test of c32isspace() function.
Copyright (C) 2020-2023 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 <uchar.h>
#include "signature.h"
SIGNATURE_CHECK (c32isspace, int, (wint_t));
#include <locale.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#include "macros.h"
/* Returns the value of c32isspace 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 c32isspace (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 = c32isspace (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 white-space characters include the <space>,
<form-feed>, <newline>, <carriage-return>, <tab>, <vertical-tab>
characters,
- in the "POSIX" locale (which is usually the same as the "C" locale),
the white-space characters include only the ASCII <space>, <form-feed>,
<newline>, <carriage-return>, <tab>, <vertical-tab> characters. */
{
int c;
for (c = 0; c < 0x100; c++)
switch (c)
{
case '\f': case '\n': case '\r': case '\t': case '\v':
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" or one of the explicitly
mentioned white-space characters. */
buf[0] = (unsigned char) c;
is = for_character (buf, 1);
switch (c)
{
case ' ': case '\f': case '\n': case '\r': case '\t': case '\v':
ASSERT (is != 0);
break;
default:
ASSERT (is == 0);
break;
}
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. */
{
/* U+00B7 MIDDLE DOT */
is = for_character ("\267", 1);
ASSERT (is == 0);
}
return 0;
case '2':
/* Locale encoding is EUC-JP. */
{
#if !(defined __FreeBSD__ || defined __DragonFly__)
/* U+3000 IDEOGRAPHIC SPACE */
is = for_character ("\241\241", 2);
ASSERT (is != 0);
#endif
/* U+3001 IDEOGRAPHIC COMMA */
is = for_character ("\241\242", 2);
ASSERT (is == 0);
}
return 0;
case '3':
/* Locale encoding is UTF-8. */
{
/* U+00B7 MIDDLE DOT */
is = for_character ("\302\267", 2);
ASSERT (is == 0);
/* U+2002 EN SPACE */
is = for_character ("\342\200\202", 3);
ASSERT (is != 0);
/* U+3000 IDEOGRAPHIC SPACE */
is = for_character ("\343\200\200", 3);
ASSERT (is != 0);
/* U+3001 IDEOGRAPHIC COMMA */
is = for_character ("\343\200\201", 3);
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. */
{
/* U+00B7 MIDDLE DOT */
is = for_character ("\241\244", 2);
ASSERT (is == 0);
#if !(defined __FreeBSD__ || defined __DragonFly__ || defined __sun)
/* U+2002 EN SPACE */
is = for_character ("\201\066\243\070", 4);
ASSERT (is != 0);
#endif
#if !(defined __FreeBSD__ || defined __DragonFly__)
/* U+3000 IDEOGRAPHIC SPACE */
is = for_character ("\241\241", 2);
ASSERT (is != 0);
#endif
/* U+3001 IDEOGRAPHIC COMMA */
is = for_character ("\241\242", 2);
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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