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gnulib/tests/test-isdigit_l.c
2026-01-01 10:37:05 -08:00

124 lines
3.8 KiB
C

/* Test of isdigit_l() function.
Copyright (C) 2020-2026 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 <ctype.h>
#include "signature.h"
SIGNATURE_CHECK (isdigit_l, int, (int, locale_t));
#include <locale.h>
#include <stdio.h>
#include "macros.h"
static void
test_single_locale_common (locale_t locale)
{
int is;
/* Test EOF. */
is = isdigit_l (EOF, locale);
ASSERT (is == 0);
/* ISO C 99 sections 7.25.2.1.5 and 5.2.1 specify that the decimal digits
include only the ASCII 0 ... 9 characters. */
for (int 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". */
is = isdigit_l ((unsigned char) c, locale);
switch (c)
{
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
ASSERT (is != 0);
break;
default:
ASSERT (is == 0);
break;
}
break;
}
}
int
main ()
{
{
locale_t locale = newlocale (LC_ALL_MASK, "C", NULL);
ASSERT (locale != NULL);
test_single_locale_common (locale);
freelocale (locale);
}
#if !MUSL_LIBC /* musl libc has no unibyte locales */
{
# if defined _WIN32 && !defined __CYGWIN__
locale_t locale = newlocale (LC_ALL_MASK, "French_France.1252", NULL);
# else
locale_t locale = newlocale (LC_ALL_MASK, "fr_FR.ISO-8859-1", NULL);
if (locale == NULL)
locale = newlocale (LC_ALL_MASK, "fr_FR.ISO8859-1", NULL);
# endif
if (locale != NULL)
{
test_single_locale_common (locale);
/* Locale encoding is ISO-8859-1 or ISO-8859-15. */
int is;
/* U+00B2 SUPERSCRIPT TWO */
is = isdigit_l ((unsigned char) '\262', locale);
ASSERT (is == 0);
/* U+00B3 SUPERSCRIPT THREE */
is = isdigit_l ((unsigned char) '\263', locale);
ASSERT (is == 0);
/* U+00B9 SUPERSCRIPT ONE */
is = isdigit_l ((unsigned char) '\271', locale);
ASSERT (is == 0);
freelocale (locale);
}
}
#endif
return test_exit_status;
}