#!/usr/bin/env perl
# mt-aws-glacier - Amazon Glacier sync client
# Copyright (C) 2012-2014 Victor Efimov
# http://mt-aws.com (also http://vs-dev.com) vs@vs-dev.com
# License: GPLv3
#
# This file is part of "mt-aws-glacier"
#
# mt-aws-glacier 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.
#
# mt-aws-glacier 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 warnings;
use utf8;
use FindBin;
use lib map { "$FindBin::RealBin/$_" } qw{../lib ../../lib};
use BenchmarkTest tests => 5;
use Test::More;
use App::MtAws::SHAHash qw/large_sha256_hex/;
use Digest::SHA qw/sha256_hex/;
local $SIG{__WARN__} = sub {die "Termination after a warning: $_[0]"};
sub get_mem
{
my (undef, $mem) = `ps -p $$ -o rss`;
$mem / 1024;
}
sub check_mem
{
my ($min, $max) = @_;
my $m = get_mem();
ok( ($m <= $max) && ($m >= $min), "memory - expected $min..$max, found $m" );
}
# constructing message with $messagesize * MB size
my $messagesize = 100;
my $chunksize = 70;
check_mem(0, 20);
my $maxoverhead = int(get_mem()) + 7;
my $onemb = 1024*1024;
my $expected_mem = undef;
{
our $message = '';
$message .= "x" x $onemb for (1..$messagesize);
# / whole this stupid code needed to workaround perl memory bugs for old perl versions
check_mem($messagesize, $messagesize + $maxoverhead);
my $expected = sha256_hex($message);
my $got = large_sha256_hex($message, $chunksize*$onemb);
is $got, $expected;
$expected_mem = $messagesize;
$expected_mem += $chunksize if ($^V lt v5.14 && $Digest::SHA::VERSION le '5.63');
check_mem($expected_mem, $expected_mem + $maxoverhead);
undef $message;
}
{
our $message = '';
$message .= "x" x $onemb for (1..$messagesize);
check_mem($messagesize, $expected_mem + $maxoverhead);
undef $message;
}
1;