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Diffstat (limited to 'gnulib-tests/test-hard-locale.c')
| -rw-r--r-- | gnulib-tests/test-hard-locale.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/gnulib-tests/test-hard-locale.c b/gnulib-tests/test-hard-locale.c new file mode 100644 index 0000000..6f94e6c --- /dev/null +++ b/gnulib-tests/test-hard-locale.c @@ -0,0 +1,116 @@ +/* Test of determination whether a locale is different from the "C" locale. + Copyright (C) 2019-2023 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>, 2019. */ + +#include <config.h> + +#include "hard-locale.h" + +#include <locale.h> +#include <stdio.h> +#include <string.h> + +/* True if all locale names are accepted and all locales are trivial. + This is the case e.g. on OpenBSD 3.8. */ +static bool all_trivial; + +static int +test_one (const char *name, int failure_bitmask) +{ + if (setlocale (LC_ALL, name) != NULL) + { + bool expected; + + /* musl libc has special code for the C.UTF-8 locale; other than that, + all locale names are accepted and all locales are trivial. + OpenBSD returns the locale name that was set, but we don't know how it + behaves under the hood. Likewise for Haiku. + On Android >= 5.0, the "C" locale may have UTF-8 encoding, and we don't + know how it will behave in the future. */ +#if defined MUSL_LIBC || defined __OpenBSD__ || defined __HAIKU__ || defined __ANDROID__ + expected = true; +#else + expected = !all_trivial; +#endif + if (hard_locale (LC_CTYPE) != expected) + { + if (expected) + fprintf (stderr, "Unexpected: The category LC_CTYPE of the locale '%s' is not equivalent to C or POSIX.\n", + name); + else + fprintf (stderr, "Unexpected: The category LC_CTYPE of the locale '%s' is equivalent to C or POSIX.\n", + name); + return failure_bitmask; + } + + /* On NetBSD 7.0, some locales such as de_DE.ISO8859-1 and de_DE.UTF-8 + have the LC_COLLATE category set to "C". + Similarly, on musl libc, with the C.UTF-8 locale. + On Android >= 5.0, the "C" locale may have UTF-8 encoding, and we don't + know how it will behave in the future. */ +#if defined __NetBSD__ + expected = false; +#elif defined MUSL_LIBC + expected = strcmp (name, "C.UTF-8") != 0; +#elif (defined __OpenBSD__ && HAVE_DUPLOCALE) || defined __HAIKU__ || defined __ANDROID__ /* OpenBSD >= 6.2, Haiku, Android */ + expected = true; +#else + expected = !all_trivial; +#endif + if (hard_locale (LC_COLLATE) != expected) + { + if (expected) + fprintf (stderr, "Unexpected: The category LC_COLLATE of the locale '%s' is not equivalent to C or POSIX.\n", + name); + else + fprintf (stderr, "Unexpected: The category LC_COLLATE of the locale '%s' is equivalent to C or POSIX.\n", + name); + return failure_bitmask; + } + } + return 0; +} + +int +main () +{ + int fail = 0; + + /* The initial locale is the "C" or "POSIX" locale. + On Android >= 5.0, it is equivalent to the "C.UTF-8" locale, cf. + <https://lists.gnu.org/archive/html/bug-gnulib/2023-01/msg00141.html>. */ +#if ! defined __ANDROID__ + if (hard_locale (LC_CTYPE) || hard_locale (LC_COLLATE)) + { + fprintf (stderr, "The initial locale should not be hard!\n"); + fail |= 1; + } +#endif + + all_trivial = (setlocale (LC_ALL, "foobar") != NULL); + + fail |= test_one ("de", 2); + fail |= test_one ("de_DE", 4); + fail |= test_one ("de_DE.ISO8859-1", 8); + fail |= test_one ("de_DE.iso88591", 8); + fail |= test_one ("de_DE.UTF-8", 16); + fail |= test_one ("de_DE.utf8", 16); + fail |= test_one ("german", 32); + fail |= test_one ("C.UTF-8", 64); + + return fail; +} |