From: Bruno Haible <bruno@clisp.org> Date: Tue, 5 Nov 2024 20:11:25 +0000 (+0100) Subject: wmemcpy tests: Verify N3322 functionality. X-Git-Url: https://gitweb.git.savannah.gnu.org/gitweb/?a=commitdiff_plain;h=184e2c51ba01f19bfcf729860a1b97b255e93e23;p=gnulib.git wmemcpy tests: Verify N3322 functionality. * tests/test-wmemcpy.c: New file. * modules/wmemcpy-tests: New file. --- diff --git a/ChangeLog b/ChangeLog index db888d854a..10ba705752 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2024-11-05 Bruno Haible <bruno@clisp.org> + + wmemcpy tests: Verify N3322 functionality. + * tests/test-wmemcpy.c: New file. + * modules/wmemcpy-tests: New file. + 2024-11-05 Bruno Haible <bruno@clisp.org> wcsncpy tests: Verify N3322 functionality. diff --git a/modules/wmemcpy-tests b/modules/wmemcpy-tests new file mode 100644 index 0000000000..18ed514d64 --- /dev/null +++ b/modules/wmemcpy-tests @@ -0,0 +1,11 @@ +Files: +tests/test-wmemcpy.c +tests/macros.h + +Depends-on: + +configure.ac: + +Makefile.am: +TESTS += test-wmemcpy +check_PROGRAMS += test-wmemcpy diff --git a/tests/test-wmemcpy.c b/tests/test-wmemcpy.c new file mode 100644 index 0000000000..1f67d4d5c7 --- /dev/null +++ b/tests/test-wmemcpy.c @@ -0,0 +1,44 @@ +/* Test of wmemcpy() 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) +{ + int volatile value; + + /* Test zero-length operations on NULL pointers, allowed by + <https://www.open-std.org/jtc1/sc22/wg14/www/docs/n3322.pdf>. */ + + value = (wmemcpy (NULL, L"x", 0) == NULL); + ASSERT (value); + + { + wchar_t y[1]; + value = (wmemcpy (y, NULL, 0) == y); + ASSERT (value); + } + + return test_exit_status; +}