+2024-11-05 Bruno Haible <bruno@clisp.org>
+
+ wmemchr tests: Verify N3322 functionality.
+ * tests/test-wmemchr.c: New file.
+ * modules/wmemchr-tests: New file.
+
2024-11-05 Bruno Haible <bruno@clisp.org>
wmemcmp tests: Verify N3322 functionality.
--- /dev/null
+/* Test of wmemchr() function.
+ Copyright (C) 2024 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>
+
+/* Specification. */
+#include <wchar.h>
+
+#include <stddef.h>
+
+#include "macros.h"
+
+int
+main (void)
+{
+ /* Test zero-length operations on NULL pointers, allowed by
+ <https://www.open-std.org/jtc1/sc22/wg14/www/docs/n3322.pdf>. */
+ {
+ int volatile value = (wmemchr (NULL, L'?', 0) == NULL);
+ ASSERT (value);
+ }
+
+ return test_exit_status;
+}