/*
    Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>

    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., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

/** @file  test/util_test.cc
 *  @brief Test various utility methods.
 */

#include <boost/test/unit_test.hpp>
#include "lib/util.h"
#include "lib/exceptions.h"

using std::string;
using std::vector;
using boost::shared_ptr;

BOOST_AUTO_TEST_CASE (split_at_spaces_considering_quotes_test)
{
	string t = "Hello this is a string \"with quotes\" and indeed without them";
	vector<string> b = split_at_spaces_considering_quotes (t);
	vector<string>::iterator i = b.begin ();
	BOOST_CHECK_EQUAL (*i++, "Hello");
	BOOST_CHECK_EQUAL (*i++, "this");
	BOOST_CHECK_EQUAL (*i++, "is");
	BOOST_CHECK_EQUAL (*i++, "a");
	BOOST_CHECK_EQUAL (*i++, "string");
	BOOST_CHECK_EQUAL (*i++, "with quotes");
	BOOST_CHECK_EQUAL (*i++, "and");
	BOOST_CHECK_EQUAL (*i++, "indeed");
	BOOST_CHECK_EQUAL (*i++, "without");
	BOOST_CHECK_EQUAL (*i++, "them");
}

BOOST_AUTO_TEST_CASE (md5_digest_test)
{
	vector<boost::filesystem::path> p;
	p.push_back ("test/data/md5.test");
	string const t = md5_digest (p, shared_ptr<Job> ());
	BOOST_CHECK_EQUAL (t, "15058685ba99decdc4398c7634796eb0");

	p.clear ();
	p.push_back ("foobar");
	BOOST_CHECK_THROW (md5_digest (p, shared_ptr<Job> ()), std::runtime_error);
}

/* Straightforward test of DCPTime::round_up */
BOOST_AUTO_TEST_CASE (dcptime_round_up_test)
{
	BOOST_CHECK_EQUAL (DCPTime (0).round_up (DCPTime::HZ / 2), DCPTime (0));
	BOOST_CHECK_EQUAL (DCPTime (1).round_up (DCPTime::HZ / 2), DCPTime (2));
	BOOST_CHECK_EQUAL (DCPTime (2).round_up (DCPTime::HZ / 2), DCPTime (2));
	BOOST_CHECK_EQUAL (DCPTime (3).round_up (DCPTime::HZ / 2), DCPTime (4));
	
	BOOST_CHECK_EQUAL (DCPTime (0).round_up (DCPTime::HZ / 42), DCPTime (0));
	BOOST_CHECK_EQUAL (DCPTime (1).round_up (DCPTime::HZ / 42), DCPTime (42));
	BOOST_CHECK_EQUAL (DCPTime (42).round_up (DCPTime::HZ / 42), DCPTime (42));
	BOOST_CHECK_EQUAL (DCPTime (43).round_up (DCPTime::HZ / 42), DCPTime (84));

	/* Check that rounding up to non-integer frame rates works */
	BOOST_CHECK_EQUAL (DCPTime (45312).round_up (29.976), DCPTime (48045));
}


BOOST_AUTO_TEST_CASE (divide_with_round_test)
{
	BOOST_CHECK_EQUAL (divide_with_round (0, 4), 0);
	BOOST_CHECK_EQUAL (divide_with_round (1, 4), 0);
	BOOST_CHECK_EQUAL (divide_with_round (2, 4), 1);
	BOOST_CHECK_EQUAL (divide_with_round (3, 4), 1);
	BOOST_CHECK_EQUAL (divide_with_round (4, 4), 1);
	BOOST_CHECK_EQUAL (divide_with_round (5, 4), 1);
	BOOST_CHECK_EQUAL (divide_with_round (6, 4), 2);

	BOOST_CHECK_EQUAL (divide_with_round (1000, 500), 2);
}