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/*
    Copyright (C) 2014-2015 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.

*/

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

/* Check time construction */
BOOST_AUTO_TEST_CASE (time_construction_test)
{
	{
		sub::Time t = sub::Time::from_hmsm (3, 5, 7, 40);
		BOOST_CHECK_EQUAL (t.hours, 3);
		BOOST_CHECK_EQUAL (t.minutes, 5);
		BOOST_CHECK_EQUAL (t.seconds, 7);
		BOOST_CHECK_EQUAL (t._milliseconds.get(), 40);
	}

	{
		sub::Time t = sub::Time::from_hmsm (591353, 1, 2, 3);
		BOOST_CHECK_EQUAL (t.hours, 591353);
		BOOST_CHECK_EQUAL (t.minutes, 1);
		BOOST_CHECK_EQUAL (t.seconds, 2);
		BOOST_CHECK_EQUAL (t._milliseconds.get(), 3);
	}

	{
		sub::Time t = sub::Time::from_frames (91231513, sub::TWENTY_FOUR);
		BOOST_CHECK_EQUAL (t.hours, 1055);
		BOOST_CHECK_EQUAL (t.minutes, 55);
		BOOST_CHECK_EQUAL (t.seconds, 13);
		BOOST_CHECK_EQUAL (t._frames.get(), 1);
	}

	{
		sub::Time t = sub::Time::from_milliseconds (91231513);
		BOOST_CHECK_EQUAL (t.hours, 25);
		BOOST_CHECK_EQUAL (t.minutes, 20);
		BOOST_CHECK_EQUAL (t.seconds, 31);
		BOOST_CHECK_EQUAL (t._milliseconds.get(), 513);
	}
}

/* Check time conversions */
BOOST_AUTO_TEST_CASE (time_conversion_test)
{
	/* 40ms = 1 frame at 25fps */
	sub::Time p = sub::Time::from_hmsm (3, 5, 7, 40);
	BOOST_CHECK_EQUAL (p.frames (sub::TWENTY_FIVE), 1);
	p = sub::Time::from_hmsf (3, 5, 7, 1, sub::TWENTY_FIVE);
	BOOST_CHECK_EQUAL (p.as_milliseconds(), sub::Time::from_hmsm (3, 5, 7, 40).as_milliseconds ());

	/* 120ms = 3 frames at 25fps */
	p = sub::Time::from_hmsm (3, 5, 7, 120);
	BOOST_CHECK_EQUAL (p.frames (sub::TWENTY_FIVE), 3);
	p = sub::Time::from_hmsf (3, 5, 7, 3, sub::TWENTY_FIVE);
	BOOST_CHECK_EQUAL (p.as_milliseconds (), sub::Time::from_hmsm (3, 5, 7, 120).as_milliseconds ());
}

BOOST_AUTO_TEST_CASE (time_addition_test)
{
	{
		sub::Time a = sub::Time::from_hmsf (4, 54, 23, 5);
		sub::Time b = sub::Time::from_hmsf (4, 54, 23, 5);
		BOOST_CHECK_THROW (a + b, sub::UnknownFrameRateException);
	}

	{
		sub::Time a = sub::Time::from_hmsf (4, 54, 23, 5, sub::THIRTY);
		sub::Time b = sub::Time::from_hmsf (4, 54, 23, 5, sub::TWENTY_FOUR);
		BOOST_CHECK_THROW (a + b, sub::MismatchedFrameRateException);
	}

	{
		sub::Time a = sub::Time::from_hmsf (4, 54, 23, 5, sub::TWENTY_FOUR);
		sub::Time b = sub::Time::from_hmsf (1, 9, 55, 23, sub::TWENTY_FOUR);
		BOOST_CHECK_EQUAL (a + b, sub::Time::from_hmsf (6, 4, 19, 4, sub::TWENTY_FOUR));
	}

	{
		sub::Time a = sub::Time::from_hmsm (4, 54, 23, 512);
		sub::Time b = sub::Time::from_hmsm (1, 9, 55, 998);
		BOOST_CHECK_EQUAL (a + b, sub::Time::from_hmsm (6, 4, 19, 510));
	}
}

BOOST_AUTO_TEST_CASE (time_subtraction_test)
{
	{
		sub::Time a = sub::Time::from_hmsf (4, 54, 23, 5);
		sub::Time b = sub::Time::from_hmsf (4, 54, 23, 5);
		BOOST_CHECK_THROW (a - b, sub::UnknownFrameRateException);
	}

	{
		sub::Time a = sub::Time::from_hmsf (4, 54, 23, 5, sub::THIRTY);
		sub::Time b = sub::Time::from_hmsf (4, 54, 23, 5, sub::TWENTY_FOUR);
		BOOST_CHECK_THROW (a - b, sub::MismatchedFrameRateException);
	}

	{
		sub::Time a = sub::Time::from_hmsf (2, 1, 1, 1, sub::TWENTY_FOUR);
		sub::Time b = sub::Time::from_hmsf (1, 59, 59, 23, sub::TWENTY_FOUR);
		BOOST_CHECK_EQUAL (a - b, sub::Time::from_hmsf (0, 1, 1, 2, sub::TWENTY_FOUR));
	}

	{
		sub::Time a = sub::Time::from_hmsm (2, 1, 1, 1);
		sub::Time b = sub::Time::from_hmsm (1, 59, 59, 999);
		BOOST_CHECK_EQUAL (a - b, sub::Time::from_hmsm (0, 1, 1, 2));
	}
}