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#!/usr/bin/perl
# Test "date".
# Copyright (C) 2005-2010 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 <http://www.gnu.org/licenses/>.
use strict;
use POSIX qw(strftime);
(my $ME = $0) =~ s|.*/||;
# Turn off localization of executable's output.
@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
# Export TZ=UTC0 so that zone-dependent strings match.
$ENV{TZ} = 'UTC0';
my $now = time;
my @d = localtime ($now);
my @d_week = localtime ($now + 7 * 24 * 3600);
my $wday = $d[6];
my $wday_str = qw(sun mon tue wed thu fri sat)[$wday];
my @Tests =
(
# test-name, [option, option, ...] {OUT=>"expected-output"}
#
# Running "date -d mon +%a" on a Monday must print Mon.
['dow', "-d $wday_str +%a", {OUT => ucfirst $wday_str}],
# It had better be the same date, too.
['dow2', "-d $wday_str +%Y-%m-%d", {OUT => strftime("%Y-%m-%d", @d)}],
['next-dow', "-d 'next $wday_str' +%Y-%m-%d",
{OUT => strftime("%Y-%m-%d", @d_week)}],
);
# Append "\n" to each OUT=> RHS if the expected exit value is either
# zero or not specified (defaults to zero).
foreach my $t (@Tests)
{
my $exit_val;
foreach my $e (@$t)
{
ref $e && ref $e eq 'HASH' && defined $e->{EXIT}
and $exit_val = $e->{EXIT};
}
foreach my $e (@$t)
{
ref $e && ref $e eq 'HASH' && defined $e->{OUT} && ! $exit_val
and $e->{OUT} .= "\n";
}
}
my $save_temps = $ENV{DEBUG};
my $verbose = $ENV{VERBOSE};
my $prog = 'date';
my $fail = run_tests ($ME, $prog, \@Tests, $save_temps, $verbose);
# Skip the test if the starting and stopping day numbers differ.
my @d_post = localtime (time);
$d_post[7] == $d[7]
or (warn "$ME: test straddled a day boundary; skipped"), exit 77;
exit $fail;
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