summaryrefslogtreecommitdiff
path: root/tests/test-hard-locale.c
diff options
context:
space:
mode:
Diffstat (limited to 'tests/test-hard-locale.c')
-rw-r--r--tests/test-hard-locale.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/tests/test-hard-locale.c b/tests/test-hard-locale.c
new file mode 100644
index 0000000..813a643
--- /dev/null
+++ b/tests/test-hard-locale.c
@@ -0,0 +1,109 @@
+/* Test of determination whether a locale is different from the "C" locale.
+ Copyright (C) 2019-2022 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 <stdbool.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. */
+#if defined MUSL_LIBC || defined __OpenBSD__ || defined __HAIKU__
+ 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. */
+#if defined __NetBSD__
+ expected = false;
+#elif defined MUSL_LIBC
+ expected = strcmp (name, "C.UTF-8") != 0;
+#elif (defined __OpenBSD__ && HAVE_DUPLOCALE) || defined __HAIKU__ /* OpenBSD >= 6.2, Haiku */
+ 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. */
+ if (hard_locale (LC_CTYPE) || hard_locale (LC_COLLATE))
+ {
+ fprintf (stderr, "The initial locale should not be hard!\n");
+ fail |= 1;
+ }
+
+ 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;
+}