This patch adds a unit test for the 'year2038' module. It is meant to attract the attention of the person who builds a package with Gnulib tests included. Useful since most packages' configure script doesn't print a summary file regarding the result of the AC_SYS_YEAR2038 invocation.
2023-04-16 Bruno Haible <br...@clisp.org> year2038: Add tests. * tests/test-year2038.c: New file. * modules/year2038-tests: New file. ============================ tests/test-year2038.c ============================ /* Test of year2038 module. Copyright (C) 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 <br...@clisp.org>, 2023. */ /* This test fails if AC_SYS_YEAR2038 could not arrange for a time_t that supports values > 2147483647. This can happen - on systems that are not year 2038 safe, or - if the user specified --disable-year2038 at configure time. It is intended that this test fails in these circumstances. */ #include <config.h> #include <sys/types.h> int main (void) { /* Check the size and sign of time_t. */ if (sizeof (time_t) <= 4 && (time_t)-1 < 0) /* time_t is only 32 bits wide and signed. */ return 1; return 0; } ============================ modules/year2038-tests ============================ Files: tests/test-year2038.c Depends-on: configure.ac: Makefile.am: TESTS += test-year2038 check_PROGRAMS += test-year2038