#!/usr/bin/perl
#
# 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 2 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/>.
use strict;
use warnings;
use Test::More tests => 8;
use File::Temp qw(tempfile);
use Dpkg::File;
use_ok('Dpkg::IPC');
my ($tmp1_fh, $tmp1_name) = tempfile(UNLINK => 1);
my ($tmp2_fh, $tmp2_name) = tempfile(UNLINK => 1);
my $string1 = "foo\nbar\n";
my $string2;
file_dump($tmp1_name, $string1);
my $pid = spawn(exec => 'cat',
                from_string => \$string1,
                to_string => \$string2);
ok($pid, 'execute cat program, I/O to variables');
is($string2, $string1, '{from,to}_string');
$pid = spawn(exec => 'cat',
             from_handle => $tmp1_fh,
             to_handle => $tmp2_fh);
ok($pid, 'execute cat program, I/O to filehandles');
wait_child($pid);
$string2 = file_slurp($tmp2_name);
is($string2, $string1, '{from,to}_handle');
$pid = spawn(exec => 'cat',
             from_file => $tmp1_name,
             to_file => $tmp2_name,
             wait_child => 1);
ok($pid, 'execute cat program, I/O to filenames and wait');
$string2 = file_slurp($tmp2_name);
is($string2, $string1, '{from,to}_file');
eval {
    $pid = spawn(exec => ['sleep', '10'],
                 wait_child => 1,
                 timeout => 1);
};
ok($@, 'fails on timeout');