From b549c292b7fcfc4a55c25bdbcace658b70a0225e Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Sun, 16 Apr 2023 23:35:47 +0200 Subject: [PATCH] year2038: Add tests. * tests/test-year2038.c: New file. * modules/year2038-tests: New file. --- ChangeLog | 6 ++++++ modules/year2038-tests | 10 ++++++++++ tests/test-year2038.c | 39 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 55 insertions(+) create mode 100644 modules/year2038-tests create mode 100644 tests/test-year2038.c diff --git a/ChangeLog b/ChangeLog index 8c797391d2..e190bd90d3 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2023-04-16 Bruno Haible + + year2038: Add tests. + * tests/test-year2038.c: New file. + * modules/year2038-tests: New file. + 2023-04-16 Bruno Haible largefile: Add tests. 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 . */ + +/* Written by Bruno Haible , 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 + +#include + +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; +} -- 2.39.5