/******************************************************************************
 * Icinga 2                                                                   *
 * Copyright (C) 2012-2018 Icinga Development Team (https://icinga.com/)      *
 *                                                                            *
 * 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, write to the Free Software Foundation     *
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
 ******************************************************************************/

#include "base/utility.hpp"
#include <chrono>
#include <BoostTestTargetConfig.h>

using namespace icinga;

BOOST_AUTO_TEST_SUITE(base_utility)

BOOST_AUTO_TEST_CASE(comparepasswords_works)
{
	BOOST_CHECK(Utility::ComparePasswords("", ""));

	BOOST_CHECK(!Utility::ComparePasswords("x", ""));
	BOOST_CHECK(!Utility::ComparePasswords("", "x"));

	BOOST_CHECK(Utility::ComparePasswords("x", "x"));
	BOOST_CHECK(!Utility::ComparePasswords("x", "y"));

	BOOST_CHECK(Utility::ComparePasswords("abcd", "abcd"));
	BOOST_CHECK(!Utility::ComparePasswords("abc", "abcd"));
	BOOST_CHECK(!Utility::ComparePasswords("abcde", "abcd"));
}

BOOST_AUTO_TEST_CASE(comparepasswords_issafe)
{
	using std::chrono::duration_cast;
	using std::chrono::microseconds;
	using std::chrono::steady_clock;

	String a, b;

	a.Append(200000001, 'a');
	b.Append(200000002, 'b');

	auto start1 (steady_clock::now());

	Utility::ComparePasswords(a, a);

	auto duration1 (steady_clock::now() - start1);

	auto start2 (steady_clock::now());

	Utility::ComparePasswords(a, b);

	auto duration2 (steady_clock::now() - start2);

	double diff = (double)duration_cast<microseconds>(duration1).count() / (double)duration_cast<microseconds>(duration2).count();
	BOOST_CHECK(0.9 <= diff && diff <= 1.1);
}

BOOST_AUTO_TEST_SUITE_END()