94 lines
3 KiB
C
94 lines
3 KiB
C
/* Test of conversion of unibyte character to 32-bit wide character.
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Copyright (C) 2008-2025 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2008. */
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#include <config.h>
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#include <uchar.h>
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#include "signature.h"
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SIGNATURE_CHECK (btoc32, wint_t, (int));
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#include <locale.h>
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#include <stdio.h>
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#include <wchar.h>
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#include "macros.h"
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int
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main (int argc, char *argv[])
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{
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int c;
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/* configure should already have checked that the locale is supported. */
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if (setlocale (LC_ALL, "") == NULL)
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return 1;
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ASSERT (btoc32 (EOF) == WEOF);
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#ifdef __ANDROID__
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/* On Android ≥ 5.0, the default locale is the "C.UTF-8" locale, not the
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"C" locale. Furthermore, when you attempt to set the "C" or "POSIX"
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locale via setlocale(), what you get is a "C" locale with UTF-8 encoding,
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that is, effectively the "C.UTF-8" locale. */
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if (argc > 1 && strcmp (argv[1], "1") == 0 && MB_CUR_MAX > 1)
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argv[1] = "3";
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#endif
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if (argc > 1)
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switch (argv[1][0])
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{
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case '1':
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/* C or POSIX locale. */
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for (c = 0; c < 0x100; c++)
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if (c != 0)
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{
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/* We are testing all nonnull bytes. */
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wint_t wc = btoc32 (c);
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/* POSIX:2018 says regarding btowc: "In the POSIX locale, btowc()
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shall not return WEOF if c has a value in the range 0 to 255
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inclusive." It is reasonable to expect btoc32 to behave in
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the same way. */
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if (c < 0x80)
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/* c is an ASCII character. */
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ASSERT (wc == c);
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else
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/* On most platforms, the bytes 0x80..0xFF map to U+0080..U+00FF.
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But on musl libc, the bytes 0x80..0xFF map to U+DF80..U+DFFF. */
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ASSERT (wc == c || wc == 0xDF00 + c);
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}
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return test_exit_status;
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case '2':
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/* Locale encoding is ISO-8859-1 or ISO-8859-15. */
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for (c = 0; c < 0x80; c++)
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ASSERT (btoc32 (c) == c);
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for (c = 0xA0; c < 0x100; c++)
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ASSERT (btoc32 (c) != WEOF);
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return test_exit_status;
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case '3':
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/* Locale encoding is UTF-8. */
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for (c = 0; c < 0x80; c++)
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ASSERT (btoc32 (c) == c);
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for (c = 0x80; c < 0x100; c++)
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ASSERT (btoc32 (c) == WEOF);
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return test_exit_status;
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}
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return 1;
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}
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