440 lines
18 KiB
C
440 lines
18 KiB
C
/* Test of c32tolower() function.
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Copyright (C) 2020-2025 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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#include <config.h>
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#include <uchar.h>
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#include "signature.h"
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SIGNATURE_CHECK (c32tolower, wint_t, (wint_t));
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#include <locale.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wchar.h>
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#include "macros.h"
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/* Representation of a multibyte character. */
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#define MBCHAR_BUF_SIZE 6
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struct multibyte
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{
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size_t nbytes; /* number of bytes of current character, > 0 */
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char buf[MBCHAR_BUF_SIZE]; /* room for the bytes */
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};
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/* Returns the value of c32tolower for the multibyte character s[0..n-1],
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as a multibyte character. */
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static struct multibyte
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for_character (const char *s, size_t n)
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{
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mbstate_t state;
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char32_t wc;
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size_t ret;
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struct multibyte result;
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memset (&state, '\0', sizeof (mbstate_t));
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wc = (char32_t) 0xBADFACE;
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ret = mbrtoc32 (&wc, s, n, &state);
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ASSERT (ret == n);
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wc = c32tolower (wc);
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ASSERT (wc != WEOF);
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memset (&state, '\0', sizeof (mbstate_t));
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ret = c32rtomb (result.buf, wc, &state);
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ASSERT (ret != 0);
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if (ret == (size_t)(-1))
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/* wc cannot be converted back to multibyte. */
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result.nbytes = 0;
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else
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{
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ASSERT (ret <= MBCHAR_BUF_SIZE);
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result.nbytes = ret;
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}
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return result;
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}
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int
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main (int argc, char *argv[])
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{
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wint_t wc;
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struct multibyte mb;
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char buf[4];
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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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/* Test WEOF. */
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wc = c32tolower (WEOF);
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ASSERT (wc == WEOF);
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/* Test single-byte characters.
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POSIX specifies in
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<https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap07.html>
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that
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- in all locales, the uppercase characters include the A ... Z
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characters, and the corresponding characters a ... z (if not in a
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Turkish locale) are lowercase,
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- in the "POSIX" locale (which is usually the same as the "C" locale),
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the uppercase characters include only the ASCII A ... Z characters,
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and the corresponding characters a ... z are lowercase.
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*/
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#if defined __NetBSD__
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/* towlower is broken in the zh_CN.GB18030 locale on NetBSD 9.0.
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See <https://gnats.netbsd.org/cgi-bin/query-pr-single.pl?number=57339>. */
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if (!(argc > 1 && argv[1][0] == '4'))
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#endif
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{
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int c;
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for (c = 0; c < 0x100; c++)
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switch (c)
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{
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case '\t': case '\v': case '\f':
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case ' ': case '!': case '"': case '#': case '%':
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case '&': case '\'': case '(': case ')': case '*':
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case '+': case ',': case '-': case '.': case '/':
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case '0': case '1': case '2': case '3': case '4':
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case '5': case '6': case '7': case '8': case '9':
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case ':': case ';': case '<': case '=': case '>':
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case '?':
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case 'A': case 'B': case 'C': case 'D': case 'E':
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case 'F': case 'G': case 'H': case 'I': case 'J':
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case 'K': case 'L': case 'M': case 'N': case 'O':
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case 'P': case 'Q': case 'R': case 'S': case 'T':
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case 'U': case 'V': case 'W': case 'X': case 'Y':
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case 'Z':
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case '[': case '\\': case ']': case '^': case '_':
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case 'a': case 'b': case 'c': case 'd': case 'e':
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case 'f': case 'g': case 'h': case 'i': case 'j':
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case 'k': case 'l': case 'm': case 'n': case 'o':
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case 'p': case 'q': case 'r': case 's': case 't':
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case 'u': case 'v': case 'w': case 'x': case 'y':
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case 'z': case '{': case '|': case '}': case '~':
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/* c is in the ISO C "basic character set". */
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buf[0] = (unsigned char) c;
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mb = for_character (buf, 1);
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switch (c)
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{
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case 'A': case 'B': case 'C': case 'D': case 'E':
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case 'F': case 'G': case 'H': case 'I': case 'J':
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case 'K': case 'L': case 'M': case 'N': case 'O':
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case 'P': case 'Q': case 'R': case 'S': case 'T':
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case 'U': case 'V': case 'W': case 'X': case 'Y':
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case 'Z':
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ASSERT (mb.nbytes == 1);
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ASSERT ((unsigned char) mb.buf[0] == (unsigned char) c - 'A' + 'a');
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break;
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default:
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ASSERT (mb.nbytes == 1);
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ASSERT ((unsigned char) mb.buf[0] == c);
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break;
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}
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break;
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}
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}
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if (argc > 1)
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switch (argv[1][0])
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{
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case '0':
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/* C locale; tested above. */
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return test_exit_status;
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case '1':
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/* Locale encoding is ISO-8859-1 or ISO-8859-15. */
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{
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/* U+00B2 SUPERSCRIPT TWO */
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mb = for_character ("\262", 1);
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ASSERT (mb.nbytes == 1);
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ASSERT (memcmp (mb.buf, "\262", 1) == 0);
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/* U+00B5 MICRO SIGN */
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mb = for_character ("\265", 1);
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ASSERT (mb.nbytes == 1);
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ASSERT (memcmp (mb.buf, "\265", 1) == 0);
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/* U+00C9 LATIN CAPITAL LETTER E WITH ACUTE */
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mb = for_character ("\311", 1);
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ASSERT (mb.nbytes == 1);
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ASSERT (memcmp (mb.buf, "\351", 1) == 0);
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/* U+00DF LATIN SMALL LETTER SHARP S */
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mb = for_character ("\337", 1);
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ASSERT (mb.nbytes == 1);
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ASSERT (memcmp (mb.buf, "\337", 1) == 0);
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/* U+00E9 LATIN SMALL LETTER E WITH ACUTE */
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mb = for_character ("\351", 1);
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ASSERT (mb.nbytes == 1);
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ASSERT (memcmp (mb.buf, "\351", 1) == 0);
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/* U+00FF LATIN SMALL LETTER Y WITH DIAERESIS */
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mb = for_character ("\377", 1);
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ASSERT (mb.nbytes == 1);
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ASSERT (memcmp (mb.buf, "\377", 1) == 0);
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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 EUC-JP. */
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{
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#if !((defined __APPLE__ && defined __MACH__) || defined __DragonFly__)
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/* U+00C9 LATIN CAPITAL LETTER E WITH ACUTE */
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mb = for_character ("\217\252\261", 3);
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ASSERT (mb.nbytes == 3);
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ASSERT (memcmp (mb.buf, "\217\253\261", 3) == 0);
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#endif
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/* U+00DF LATIN SMALL LETTER SHARP S */
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mb = for_character ("\217\251\316", 3);
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ASSERT (mb.nbytes == 3);
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ASSERT (memcmp (mb.buf, "\217\251\316", 3) == 0);
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/* U+00E9 LATIN SMALL LETTER E WITH ACUTE */
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mb = for_character ("\217\253\261", 3);
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ASSERT (mb.nbytes == 3);
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ASSERT (memcmp (mb.buf, "\217\253\261", 3) == 0);
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/* U+00FF LATIN SMALL LETTER Y WITH DIAERESIS */
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mb = for_character ("\217\253\363", 3);
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ASSERT (mb.nbytes == 3);
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ASSERT (memcmp (mb.buf, "\217\253\363", 3) == 0);
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#if !((defined __APPLE__ && defined __MACH__) || defined __DragonFly__)
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/* U+0141 LATIN CAPITAL LETTER L WITH STROKE */
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mb = for_character ("\217\251\250", 3);
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ASSERT (mb.nbytes == 3);
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ASSERT (memcmp (mb.buf, "\217\251\310", 3) == 0);
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#endif
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/* U+0142 LATIN SMALL LETTER L WITH STROKE */
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mb = for_character ("\217\251\310", 3);
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ASSERT (mb.nbytes == 3);
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ASSERT (memcmp (mb.buf, "\217\251\310", 3) == 0);
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#if !defined __DragonFly__
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/* U+0429 CYRILLIC CAPITAL LETTER SHCHA */
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mb = for_character ("\247\273", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\247\353", 2) == 0);
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#endif
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/* U+0449 CYRILLIC SMALL LETTER SHCHA */
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mb = for_character ("\247\353", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\247\353", 2) == 0);
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/* U+3073 HIRAGANA LETTER BI */
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mb = for_character ("\244\323", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\244\323", 2) == 0);
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#if !defined __DragonFly__
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/* U+FF27 FULLWIDTH LATIN CAPITAL LETTER G */
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mb = for_character ("\243\307", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\243\347", 2) == 0);
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#endif
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/* U+FF47 FULLWIDTH LATIN SMALL LETTER G */
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mb = for_character ("\243\347", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\243\347", 2) == 0);
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}
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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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{
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/* U+00B2 SUPERSCRIPT TWO */
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mb = for_character ("\302\262", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\302\262", 2) == 0);
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/* U+00B5 MICRO SIGN */
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mb = for_character ("\302\265", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\302\265", 2) == 0);
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/* U+00C9 LATIN CAPITAL LETTER E WITH ACUTE */
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mb = for_character ("\303\211", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\303\251", 2) == 0);
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/* U+00DF LATIN SMALL LETTER SHARP S */
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mb = for_character ("\303\237", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\303\237", 2) == 0);
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/* U+00E9 LATIN SMALL LETTER E WITH ACUTE */
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mb = for_character ("\303\251", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\303\251", 2) == 0);
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/* U+00FF LATIN SMALL LETTER Y WITH DIAERESIS */
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mb = for_character ("\303\277", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\303\277", 2) == 0);
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/* U+0141 LATIN CAPITAL LETTER L WITH STROKE */
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mb = for_character ("\305\201", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\305\202", 2) == 0);
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/* U+0142 LATIN SMALL LETTER L WITH STROKE */
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mb = for_character ("\305\202", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\305\202", 2) == 0);
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/* U+0429 CYRILLIC CAPITAL LETTER SHCHA */
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mb = for_character ("\320\251", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\321\211", 2) == 0);
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/* U+0449 CYRILLIC SMALL LETTER SHCHA */
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mb = for_character ("\321\211", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\321\211", 2) == 0);
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/* U+05D5 HEBREW LETTER VAV */
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mb = for_character ("\327\225", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\327\225", 2) == 0);
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/* U+3073 HIRAGANA LETTER BI */
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mb = for_character ("\343\201\263", 3);
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ASSERT (mb.nbytes == 3);
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ASSERT (memcmp (mb.buf, "\343\201\263", 3) == 0);
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/* U+3162 HANGUL LETTER YI */
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mb = for_character ("\343\205\242", 3);
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ASSERT (mb.nbytes == 3);
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ASSERT (memcmp (mb.buf, "\343\205\242", 3) == 0);
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/* U+FF27 FULLWIDTH LATIN CAPITAL LETTER G */
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mb = for_character ("\357\274\247", 3);
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ASSERT (mb.nbytes == 3);
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ASSERT (memcmp (mb.buf, "\357\275\207", 3) == 0);
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/* U+FF47 FULLWIDTH LATIN SMALL LETTER G */
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mb = for_character ("\357\275\207", 3);
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ASSERT (mb.nbytes == 3);
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ASSERT (memcmp (mb.buf, "\357\275\207", 3) == 0);
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/* U+FFDB HALFWIDTH HANGUL LETTER YI */
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mb = for_character ("\357\277\233", 3);
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ASSERT (mb.nbytes == 3);
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ASSERT (memcmp (mb.buf, "\357\277\233", 3) == 0);
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#if !(defined __DragonFly__ || defined __sun)
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/* U+10419 DESERET CAPITAL LETTER EF */
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mb = for_character ("\360\220\220\231", 4);
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ASSERT (mb.nbytes == 4);
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ASSERT (memcmp (mb.buf, "\360\220\221\201", 4) == 0);
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#endif
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/* U+10441 DESERET SMALL LETTER EF */
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mb = for_character ("\360\220\221\201", 4);
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ASSERT (mb.nbytes == 4);
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ASSERT (memcmp (mb.buf, "\360\220\221\201", 4) == 0);
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/* U+E0041 TAG LATIN CAPITAL LETTER A */
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mb = for_character ("\363\240\201\201", 4);
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ASSERT (mb.nbytes == 4);
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ASSERT (memcmp (mb.buf, "\363\240\201\201", 4) == 0);
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/* U+E0061 TAG LATIN SMALL LETTER A */
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mb = for_character ("\363\240\201\241", 4);
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ASSERT (mb.nbytes == 4);
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ASSERT (memcmp (mb.buf, "\363\240\201\241", 4) == 0);
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}
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return test_exit_status;
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case '4':
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/* Locale encoding is GB18030. */
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#if (defined __GLIBC__ && __GLIBC__ == 2 && __GLIBC_MINOR__ >= 13 && __GLIBC_MINOR__ <= 15) || (GL_CHAR32_T_IS_UNICODE && (defined __FreeBSD__ || defined __NetBSD__ || defined __sun))
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if (test_exit_status != EXIT_SUCCESS)
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return test_exit_status;
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fputs ("Skipping test: The GB18030 converter in this system's iconv is broken.\n", stderr);
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return 77;
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#endif
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{
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/* U+00B2 SUPERSCRIPT TWO */
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mb = for_character ("\201\060\205\065", 4);
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ASSERT (mb.nbytes == 4);
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ASSERT (memcmp (mb.buf, "\201\060\205\065", 4) == 0);
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/* U+00B5 MICRO SIGN */
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mb = for_character ("\201\060\205\070", 4);
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ASSERT (mb.nbytes == 4);
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ASSERT (memcmp (mb.buf, "\201\060\205\070", 4) == 0);
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#if !(defined __FreeBSD__ || defined __DragonFly__ || defined __sun)
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/* U+00C9 LATIN CAPITAL LETTER E WITH ACUTE */
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mb = for_character ("\201\060\207\067", 4);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\250\246", 2) == 0);
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#endif
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/* U+00DF LATIN SMALL LETTER SHARP S */
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mb = for_character ("\201\060\211\070", 4);
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ASSERT (mb.nbytes == 4);
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ASSERT (memcmp (mb.buf, "\201\060\211\070", 4) == 0);
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/* U+00E9 LATIN SMALL LETTER E WITH ACUTE */
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mb = for_character ("\250\246", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\250\246", 2) == 0);
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/* U+00FF LATIN SMALL LETTER Y WITH DIAERESIS */
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mb = for_character ("\201\060\213\067", 4);
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ASSERT (mb.nbytes == 4);
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ASSERT (memcmp (mb.buf, "\201\060\213\067", 4) == 0);
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#if !(defined __FreeBSD__ || defined __DragonFly__ || defined __sun)
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/* U+0141 LATIN CAPITAL LETTER L WITH STROKE */
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mb = for_character ("\201\060\221\071", 4);
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ASSERT (mb.nbytes == 4);
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ASSERT (memcmp (mb.buf, "\201\060\222\060", 4) == 0);
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#endif
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/* U+0142 LATIN SMALL LETTER L WITH STROKE */
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mb = for_character ("\201\060\222\060", 4);
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ASSERT (mb.nbytes == 4);
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ASSERT (memcmp (mb.buf, "\201\060\222\060", 4) == 0);
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#if !(defined __FreeBSD__ || defined __DragonFly__)
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/* U+0429 CYRILLIC CAPITAL LETTER SHCHA */
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mb = for_character ("\247\273", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\247\353", 2) == 0);
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#endif
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/* U+0449 CYRILLIC SMALL LETTER SHCHA */
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mb = for_character ("\247\353", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\247\353", 2) == 0);
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/* U+05D5 HEBREW LETTER VAV */
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mb = for_character ("\201\060\371\067", 4);
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ASSERT (mb.nbytes == 4);
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ASSERT (memcmp (mb.buf, "\201\060\371\067", 4) == 0);
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/* U+3073 HIRAGANA LETTER BI */
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mb = for_character ("\244\323", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\244\323", 2) == 0);
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/* U+3162 HANGUL LETTER YI */
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mb = for_character ("\201\071\256\062", 4);
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ASSERT (mb.nbytes == 4);
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ASSERT (memcmp (mb.buf, "\201\071\256\062", 4) == 0);
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#if !defined __DragonFly__
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/* U+FF27 FULLWIDTH LATIN CAPITAL LETTER G */
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mb = for_character ("\243\307", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\243\347", 2) == 0);
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#endif
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/* U+FF47 FULLWIDTH LATIN SMALL LETTER G */
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mb = for_character ("\243\347", 2);
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ASSERT (mb.nbytes == 2);
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ASSERT (memcmp (mb.buf, "\243\347", 2) == 0);
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/* U+FFDB HALFWIDTH HANGUL LETTER YI */
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mb = for_character ("\204\061\241\071", 4);
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ASSERT (mb.nbytes == 4);
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ASSERT (memcmp (mb.buf, "\204\061\241\071", 4) == 0);
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#if !((defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __DragonFly__ || defined __NetBSD__ || defined __sun)
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/* U+10419 DESERET CAPITAL LETTER EF */
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mb = for_character ("\220\060\351\071", 4);
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ASSERT (mb.nbytes == 4);
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ASSERT (memcmp (mb.buf, "\220\060\355\071", 4) == 0);
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#endif
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/* U+10441 DESERET SMALL LETTER EF */
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mb = for_character ("\220\060\355\071", 4);
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ASSERT (mb.nbytes == 4);
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ASSERT (memcmp (mb.buf, "\220\060\355\071", 4) == 0);
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/* U+E0041 TAG LATIN CAPITAL LETTER A */
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mb = for_character ("\323\066\234\063", 4);
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ASSERT (mb.nbytes == 4);
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ASSERT (memcmp (mb.buf, "\323\066\234\063", 4) == 0);
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/* U+E0061 TAG LATIN SMALL LETTER A */
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mb = for_character ("\323\066\237\065", 4);
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ASSERT (mb.nbytes == 4);
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ASSERT (memcmp (mb.buf, "\323\066\237\065", 4) == 0);
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}
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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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