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Diffstat (limited to 'gnulib-tests/test-wcrtomb.c')
| -rw-r--r-- | gnulib-tests/test-wcrtomb.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/gnulib-tests/test-wcrtomb.c b/gnulib-tests/test-wcrtomb.c new file mode 100644 index 0000000..6211efc --- /dev/null +++ b/gnulib-tests/test-wcrtomb.c @@ -0,0 +1,166 @@ +/* Test of conversion of wide character to multibyte character. + Copyright (C) 2008-2023 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/>. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2008. */ + +#include <config.h> + +#include <wchar.h> + +#include "signature.h" +SIGNATURE_CHECK (wcrtomb, size_t, (char *, wchar_t, mbstate_t *)); + +#include <locale.h> +#include <stdlib.h> +#include <string.h> + +#include "macros.h" + +/* Check the multibyte character s[0..n-1]. */ +static void +check_character (const char *s, size_t n) +{ + wchar_t wc; + char buf[64]; + int iret; + size_t ret; + + wc = (wchar_t) 0xBADFACE; + iret = mbtowc (&wc, s, n); + ASSERT (iret == n); + + ret = wcrtomb (buf, wc, NULL); + ASSERT (ret == n); + ASSERT (memcmp (buf, s, n) == 0); + + /* Test special calling convention, passing a NULL pointer. */ + ret = wcrtomb (NULL, wc, NULL); + ASSERT (ret == 1); +} + +int +main (int argc, char *argv[]) +{ + char buf[64]; + size_t ret; + + /* configure should already have checked that the locale is supported. */ + if (setlocale (LC_ALL, "") == NULL) + return 1; + + /* Test NUL character. */ + { + buf[0] = 'x'; + ret = wcrtomb (buf, 0, NULL); + ASSERT (ret == 1); + ASSERT (buf[0] == '\0'); + } + + /* Test single bytes. */ + { + 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". */ + ret = wcrtomb (buf, btowc (c), NULL); + ASSERT (ret == 1); + ASSERT (buf[0] == (char) c); + break; + } + } + + /* Test special calling convention, passing a NULL pointer. */ + { + ret = wcrtomb (NULL, '\0', NULL); + ASSERT (ret == 1); + ret = wcrtomb (NULL, btowc ('x'), NULL); + ASSERT (ret == 1); + } + + if (argc > 1) + switch (argv[1][0]) + { + case '1': + /* C locale; tested above. */ + return 0; + + case '2': + /* Locale encoding is ISO-8859-1 or ISO-8859-15. */ + { + const char input[] = "B\374\337er"; /* "Büßer" */ + + check_character (input + 1, 1); + check_character (input + 2, 1); + } + return 0; + + case '3': + /* Locale encoding is UTF-8. */ + { + const char input[] = "B\303\274\303\237er"; /* "Büßer" */ + + check_character (input + 1, 2); + check_character (input + 3, 2); + } + return 0; + + case '4': + /* Locale encoding is EUC-JP. */ + { + const char input[] = "<\306\374\313\334\270\354>"; /* "<日本語>" */ + + check_character (input + 1, 2); + check_character (input + 3, 2); + check_character (input + 5, 2); + } + return 0; + + case '5': + /* Locale encoding is GB18030. */ + { + const char input[] = "B\250\271\201\060\211\070er"; /* "Büßer" */ + + check_character (input + 1, 2); + check_character (input + 3, 4); + } + return 0; + } + + return 1; +} |