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coreutils/gnulib-tests/test-uchar-h.c
Daniel Baumann c08a8f7410
Adding upstream version 9.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-21 07:57:52 +02:00

57 lines
1.7 KiB
C

/* Test of <uchar.h> substitute.
Copyright (C) 2019-2025 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>, 2019. */
#include <config.h>
#include <uchar.h>
/* Check that the types are defined. */
mbstate_t a = { 0 };
size_t b = 5;
char8_t c = 'x';
char16_t d = 'y';
char32_t e = 'z';
/* Check that char8_t, char16_t, and char32_t are unsigned types. */
static_assert ((char8_t)(-1) >= 0);
static_assert ((char16_t)(-1) >= 0);
#if !defined __HP_cc
static_assert ((char32_t)(-1) >= 0);
#endif
/* Check that char8_t is at least 8 bits wide. */
static_assert ((char8_t)0xFF != (char8_t)0x7F);
/* Check that char16_t is at least 16 bits wide. */
static_assert ((char16_t)0xFFFF != (char16_t)0x7FFF);
/* Check that char32_t is at least 31 bits wide. */
static_assert ((char32_t)0x7FFFFFFF != (char32_t)0x3FFFFFFF);
/* Check that _GL_SMALL_WCHAR_T is correctly defined. */
#if _GL_SMALL_WCHAR_T
static_assert (sizeof (wchar_t) < sizeof (char32_t));
#else
static_assert (sizeof (wchar_t) == sizeof (char32_t));
#endif
int
main (void)
{
return 0;
}