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Diffstat (limited to 'gnulib-tests/test-c32tolower.c')
| -rw-r--r-- | gnulib-tests/test-c32tolower.c | 440 |
1 files changed, 440 insertions, 0 deletions
diff --git a/gnulib-tests/test-c32tolower.c b/gnulib-tests/test-c32tolower.c new file mode 100644 index 0000000..e6dee26 --- /dev/null +++ b/gnulib-tests/test-c32tolower.c @@ -0,0 +1,440 @@ +/* Test of c32tolower() 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 (c32tolower, wint_t, (wint_t)); + +#include <locale.h> +#include <stdlib.h> +#include <string.h> +#include <wchar.h> + +#include "macros.h" + +/* Representation of a multibyte character. */ +#define MBCHAR_BUF_SIZE 6 +struct multibyte +{ + size_t nbytes; /* number of bytes of current character, > 0 */ + char buf[MBCHAR_BUF_SIZE]; /* room for the bytes */ +}; + +/* Returns the value of c32tolower for the multibyte character s[0..n-1], + as a multibyte character. */ +static struct multibyte +for_character (const char *s, size_t n) +{ + mbstate_t state; + char32_t wc; + size_t ret; + struct multibyte result; + + memset (&state, '\0', sizeof (mbstate_t)); + wc = (char32_t) 0xBADFACE; + ret = mbrtoc32 (&wc, s, n, &state); + ASSERT (ret == n); + + wc = c32tolower (wc); + ASSERT (wc != WEOF); + + memset (&state, '\0', sizeof (mbstate_t)); + ret = c32rtomb (result.buf, wc, &state); + ASSERT (ret != 0); + if (ret == (size_t)(-1)) + /* wc cannot be converted back to multibyte. */ + result.nbytes = 0; + else + { + ASSERT (ret <= MBCHAR_BUF_SIZE); + result.nbytes = ret; + } + return result; +} + +int +main (int argc, char *argv[]) +{ + wint_t wc; + struct multibyte mb; + char buf[4]; + + /* configure should already have checked that the locale is supported. */ + if (setlocale (LC_ALL, "") == NULL) + return 1; + + /* Test WEOF. */ + wc = c32tolower (WEOF); + ASSERT (wc == WEOF); + + /* Test single-byte characters. + POSIX specifies in + <https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap07.html> + that + - in all locales, the uppercase characters include the A ... Z + characters, and the corresponding characters a ... z (if not in a + Turkish locale) are lowercase, + - in the "POSIX" locale (which is usually the same as the "C" locale), + the uppercase characters include only the ASCII A ... Z characters, + and the corresponding characters a ... z are lowercase. + */ +#if defined __NetBSD__ + /* towlower is broken in the zh_CN.GB18030 locale on NetBSD 9.0. + See <https://gnats.netbsd.org/cgi-bin/query-pr-single.pl?number=57339>. */ + if (!(argc > 1 && argv[1][0] == '4')) +#endif + { + int c; + + for (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". */ + buf[0] = (unsigned char) c; + mb = for_character (buf, 1); + switch (c) + { + 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': + ASSERT (mb.nbytes == 1); + ASSERT ((unsigned char) mb.buf[0] == (unsigned char) c - 'A' + 'a'); + break; + default: + ASSERT (mb.nbytes == 1); + ASSERT ((unsigned char) mb.buf[0] == c); + 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+00B2 SUPERSCRIPT TWO */ + mb = for_character ("\262", 1); + ASSERT (mb.nbytes == 1); + ASSERT (memcmp (mb.buf, "\262", 1) == 0); + /* U+00B5 MICRO SIGN */ + mb = for_character ("\265", 1); + ASSERT (mb.nbytes == 1); + ASSERT (memcmp (mb.buf, "\265", 1) == 0); + /* U+00C9 LATIN CAPITAL LETTER E WITH ACUTE */ + mb = for_character ("\311", 1); + ASSERT (mb.nbytes == 1); + ASSERT (memcmp (mb.buf, "\351", 1) == 0); + /* U+00DF LATIN SMALL LETTER SHARP S */ + mb = for_character ("\337", 1); + ASSERT (mb.nbytes == 1); + ASSERT (memcmp (mb.buf, "\337", 1) == 0); + /* U+00E9 LATIN SMALL LETTER E WITH ACUTE */ + mb = for_character ("\351", 1); + ASSERT (mb.nbytes == 1); + ASSERT (memcmp (mb.buf, "\351", 1) == 0); + /* U+00FF LATIN SMALL LETTER Y WITH DIAERESIS */ + mb = for_character ("\377", 1); + ASSERT (mb.nbytes == 1); + ASSERT (memcmp (mb.buf, "\377", 1) == 0); + } + return 0; + + case '2': + /* Locale encoding is EUC-JP. */ + { + #if !((defined __APPLE__ && defined __MACH__) || defined __DragonFly__) + /* U+00C9 LATIN CAPITAL LETTER E WITH ACUTE */ + mb = for_character ("\217\252\261", 3); + ASSERT (mb.nbytes == 3); + ASSERT (memcmp (mb.buf, "\217\253\261", 3) == 0); + #endif + /* U+00DF LATIN SMALL LETTER SHARP S */ + mb = for_character ("\217\251\316", 3); + ASSERT (mb.nbytes == 3); + ASSERT (memcmp (mb.buf, "\217\251\316", 3) == 0); + /* U+00E9 LATIN SMALL LETTER E WITH ACUTE */ + mb = for_character ("\217\253\261", 3); + ASSERT (mb.nbytes == 3); + ASSERT (memcmp (mb.buf, "\217\253\261", 3) == 0); + /* U+00FF LATIN SMALL LETTER Y WITH DIAERESIS */ + mb = for_character ("\217\253\363", 3); + ASSERT (mb.nbytes == 3); + ASSERT (memcmp (mb.buf, "\217\253\363", 3) == 0); + #if !((defined __APPLE__ && defined __MACH__) || defined __DragonFly__) + /* U+0141 LATIN CAPITAL LETTER L WITH STROKE */ + mb = for_character ("\217\251\250", 3); + ASSERT (mb.nbytes == 3); + ASSERT (memcmp (mb.buf, "\217\251\310", 3) == 0); + #endif + /* U+0142 LATIN SMALL LETTER L WITH STROKE */ + mb = for_character ("\217\251\310", 3); + ASSERT (mb.nbytes == 3); + ASSERT (memcmp (mb.buf, "\217\251\310", 3) == 0); + #if !defined __DragonFly__ + /* U+0429 CYRILLIC CAPITAL LETTER SHCHA */ + mb = for_character ("\247\273", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\247\353", 2) == 0); + #endif + /* U+0449 CYRILLIC SMALL LETTER SHCHA */ + mb = for_character ("\247\353", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\247\353", 2) == 0); + /* U+3073 HIRAGANA LETTER BI */ + mb = for_character ("\244\323", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\244\323", 2) == 0); + #if !defined __DragonFly__ + /* U+FF27 FULLWIDTH LATIN CAPITAL LETTER G */ + mb = for_character ("\243\307", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\243\347", 2) == 0); + #endif + /* U+FF47 FULLWIDTH LATIN SMALL LETTER G */ + mb = for_character ("\243\347", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\243\347", 2) == 0); + } + return 0; + + case '3': + /* Locale encoding is UTF-8. */ + { + /* U+00B2 SUPERSCRIPT TWO */ + mb = for_character ("\302\262", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\302\262", 2) == 0); + /* U+00B5 MICRO SIGN */ + mb = for_character ("\302\265", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\302\265", 2) == 0); + #if !(defined _WIN32 && !defined __CYGWIN__) + /* U+00C9 LATIN CAPITAL LETTER E WITH ACUTE */ + mb = for_character ("\303\211", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\303\251", 2) == 0); + #endif + /* U+00DF LATIN SMALL LETTER SHARP S */ + mb = for_character ("\303\237", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\303\237", 2) == 0); + /* U+00E9 LATIN SMALL LETTER E WITH ACUTE */ + mb = for_character ("\303\251", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\303\251", 2) == 0); + /* U+00FF LATIN SMALL LETTER Y WITH DIAERESIS */ + mb = for_character ("\303\277", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\303\277", 2) == 0); + /* U+0141 LATIN CAPITAL LETTER L WITH STROKE */ + mb = for_character ("\305\201", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\305\202", 2) == 0); + /* U+0142 LATIN SMALL LETTER L WITH STROKE */ + mb = for_character ("\305\202", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\305\202", 2) == 0); + /* U+0429 CYRILLIC CAPITAL LETTER SHCHA */ + mb = for_character ("\320\251", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\321\211", 2) == 0); + /* U+0449 CYRILLIC SMALL LETTER SHCHA */ + mb = for_character ("\321\211", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\321\211", 2) == 0); + /* U+05D5 HEBREW LETTER VAV */ + mb = for_character ("\327\225", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\327\225", 2) == 0); + /* U+3073 HIRAGANA LETTER BI */ + mb = for_character ("\343\201\263", 3); + ASSERT (mb.nbytes == 3); + ASSERT (memcmp (mb.buf, "\343\201\263", 3) == 0); + /* U+3162 HANGUL LETTER YI */ + mb = for_character ("\343\205\242", 3); + ASSERT (mb.nbytes == 3); + ASSERT (memcmp (mb.buf, "\343\205\242", 3) == 0); + /* U+FF27 FULLWIDTH LATIN CAPITAL LETTER G */ + mb = for_character ("\357\274\247", 3); + ASSERT (mb.nbytes == 3); + ASSERT (memcmp (mb.buf, "\357\275\207", 3) == 0); + /* U+FF47 FULLWIDTH LATIN SMALL LETTER G */ + mb = for_character ("\357\275\207", 3); + ASSERT (mb.nbytes == 3); + ASSERT (memcmp (mb.buf, "\357\275\207", 3) == 0); + /* U+FFDB HALFWIDTH HANGUL LETTER YI */ + mb = for_character ("\357\277\233", 3); + ASSERT (mb.nbytes == 3); + ASSERT (memcmp (mb.buf, "\357\277\233", 3) == 0); + #if !(defined __DragonFly__ || defined __sun) + /* U+10419 DESERET CAPITAL LETTER EF */ + mb = for_character ("\360\220\220\231", 4); + ASSERT (mb.nbytes == 4); + ASSERT (memcmp (mb.buf, "\360\220\221\201", 4) == 0); + #endif + /* U+10441 DESERET SMALL LETTER EF */ + mb = for_character ("\360\220\221\201", 4); + ASSERT (mb.nbytes == 4); + ASSERT (memcmp (mb.buf, "\360\220\221\201", 4) == 0); + /* U+E0041 TAG LATIN CAPITAL LETTER A */ + mb = for_character ("\363\240\201\201", 4); + ASSERT (mb.nbytes == 4); + ASSERT (memcmp (mb.buf, "\363\240\201\201", 4) == 0); + /* U+E0061 TAG LATIN SMALL LETTER A */ + mb = for_character ("\363\240\201\241", 4); + ASSERT (mb.nbytes == 4); + ASSERT (memcmp (mb.buf, "\363\240\201\241", 4) == 0); + } + return 0; + + case '4': + /* Locale encoding is GB18030. */ + #if (defined __GLIBC__ && __GLIBC__ == 2 && __GLIBC_MINOR__ >= 13 && __GLIBC_MINOR__ <= 15) || (GL_CHAR32_T_IS_UNICODE && (defined __NetBSD__ || defined __sun)) + fputs ("Skipping test: The GB18030 converter in this system's iconv is broken.\n", stderr); + return 77; + #endif + { + /* U+00B2 SUPERSCRIPT TWO */ + mb = for_character ("\201\060\205\065", 4); + ASSERT (mb.nbytes == 4); + ASSERT (memcmp (mb.buf, "\201\060\205\065", 4) == 0); + /* U+00B5 MICRO SIGN */ + mb = for_character ("\201\060\205\070", 4); + ASSERT (mb.nbytes == 4); + ASSERT (memcmp (mb.buf, "\201\060\205\070", 4) == 0); + #if !(defined __FreeBSD__ || defined __DragonFly__ || defined __sun) + /* U+00C9 LATIN CAPITAL LETTER E WITH ACUTE */ + mb = for_character ("\201\060\207\067", 4); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\250\246", 2) == 0); + #endif + /* U+00DF LATIN SMALL LETTER SHARP S */ + mb = for_character ("\201\060\211\070", 4); + ASSERT (mb.nbytes == 4); + ASSERT (memcmp (mb.buf, "\201\060\211\070", 4) == 0); + /* U+00E9 LATIN SMALL LETTER E WITH ACUTE */ + mb = for_character ("\250\246", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\250\246", 2) == 0); + /* U+00FF LATIN SMALL LETTER Y WITH DIAERESIS */ + mb = for_character ("\201\060\213\067", 4); + ASSERT (mb.nbytes == 4); + ASSERT (memcmp (mb.buf, "\201\060\213\067", 4) == 0); + #if !(defined __FreeBSD__ || defined __DragonFly__ || defined __sun) + /* U+0141 LATIN CAPITAL LETTER L WITH STROKE */ + mb = for_character ("\201\060\221\071", 4); + ASSERT (mb.nbytes == 4); + ASSERT (memcmp (mb.buf, "\201\060\222\060", 4) == 0); + #endif + /* U+0142 LATIN SMALL LETTER L WITH STROKE */ + mb = for_character ("\201\060\222\060", 4); + ASSERT (mb.nbytes == 4); + ASSERT (memcmp (mb.buf, "\201\060\222\060", 4) == 0); + #if !(defined __FreeBSD__ || defined __DragonFly__) + /* U+0429 CYRILLIC CAPITAL LETTER SHCHA */ + mb = for_character ("\247\273", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\247\353", 2) == 0); + #endif + /* U+0449 CYRILLIC SMALL LETTER SHCHA */ + mb = for_character ("\247\353", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\247\353", 2) == 0); + /* U+05D5 HEBREW LETTER VAV */ + mb = for_character ("\201\060\371\067", 4); + ASSERT (mb.nbytes == 4); + ASSERT (memcmp (mb.buf, "\201\060\371\067", 4) == 0); + /* U+3073 HIRAGANA LETTER BI */ + mb = for_character ("\244\323", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\244\323", 2) == 0); + /* U+3162 HANGUL LETTER YI */ + mb = for_character ("\201\071\256\062", 4); + ASSERT (mb.nbytes == 4); + ASSERT (memcmp (mb.buf, "\201\071\256\062", 4) == 0); + #if !defined __DragonFly__ + /* U+FF27 FULLWIDTH LATIN CAPITAL LETTER G */ + mb = for_character ("\243\307", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\243\347", 2) == 0); + #endif + /* U+FF47 FULLWIDTH LATIN SMALL LETTER G */ + mb = for_character ("\243\347", 2); + ASSERT (mb.nbytes == 2); + ASSERT (memcmp (mb.buf, "\243\347", 2) == 0); + /* U+FFDB HALFWIDTH HANGUL LETTER YI */ + mb = for_character ("\204\061\241\071", 4); + ASSERT (mb.nbytes == 4); + ASSERT (memcmp (mb.buf, "\204\061\241\071", 4) == 0); + #if !((defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __DragonFly__ || defined __NetBSD__ || defined __sun) + /* U+10419 DESERET CAPITAL LETTER EF */ + mb = for_character ("\220\060\351\071", 4); + ASSERT (mb.nbytes == 4); + ASSERT (memcmp (mb.buf, "\220\060\355\071", 4) == 0); + #endif + /* U+10441 DESERET SMALL LETTER EF */ + mb = for_character ("\220\060\355\071", 4); + ASSERT (mb.nbytes == 4); + ASSERT (memcmp (mb.buf, "\220\060\355\071", 4) == 0); + /* U+E0041 TAG LATIN CAPITAL LETTER A */ + mb = for_character ("\323\066\234\063", 4); + ASSERT (mb.nbytes == 4); + ASSERT (memcmp (mb.buf, "\323\066\234\063", 4) == 0); + /* U+E0061 TAG LATIN SMALL LETTER A */ + mb = for_character ("\323\066\237\065", 4); + ASSERT (mb.nbytes == 4); + ASSERT (memcmp (mb.buf, "\323\066\237\065", 4) == 0); + } + return 0; + + } + + return 1; +} |