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-rw-r--r-- | ChangeLog | 6 | ||||
-rw-r--r-- | modules/year2038-tests | 10 | ||||
-rw-r--r-- | tests/test-year2038.c | 39 |
3 files changed, 55 insertions, 0 deletions
@@ -1,5 +1,11 @@ 2023-04-16 Bruno Haible <bruno@clisp.org> + year2038: Add tests. + * tests/test-year2038.c: New file. + * modules/year2038-tests: New file. + +2023-04-16 Bruno Haible <bruno@clisp.org> + largefile: Add tests. * tests/test-largefile.c: New file. * modules/largefile-tests: New file. diff --git a/modules/year2038-tests b/modules/year2038-tests new file mode 100644 index 0000000000..ce51559a3c --- /dev/null +++ b/modules/year2038-tests @@ -0,0 +1,10 @@ +Files: +tests/test-year2038.c + +Depends-on: + +configure.ac: + +Makefile.am: +TESTS += test-year2038 +check_PROGRAMS += test-year2038 diff --git a/tests/test-year2038.c b/tests/test-year2038.c new file mode 100644 index 0000000000..58c1058b13 --- /dev/null +++ b/tests/test-year2038.c @@ -0,0 +1,39 @@ +/* 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 <bruno@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; +} |