#define _CRT_SECURE_NO_WARNINGS
#include "date.hpp"
#define BOOST_TEST_MODULE ut_date
#include <boost/test/auto_unit_test.hpp>
#include <iostream>
#include <ctime>

BOOST_AUTO_TEST_CASE( version ) {
	using namespace std;
	cout << "Date unit test, last build: " << __TIMESTAMP__ << endl;

}


BOOST_AUTO_TEST_CASE( test_greg_to_jdn ) {
	BOOST_CHECK( gregorian_to_jdn( bce_to_astro( 4714 ), 11, 24 ) == -0.5 );
	BOOST_CHECK( gregorian_to_jdn( 1858, 11, 16 ) == 2400000-0.5 );
	BOOST_CHECK( gregorian_to_jdn( 2132, 8, 31 ) == 2500000-0.5 );
}



BOOST_AUTO_TEST_CASE( default_ctor ) {
	time_t tNow = time(0);
	tm* currentTime = localtime( &tNow );
	gregorian_t gNow( currentTime->tm_year + 1900,
					currentTime->tm_mon + 1,
					currentTime->tm_mday );

	Date now;
	BOOST_CHECK( now.gregorian() == gNow );

}



BOOST_AUTO_TEST_CASE( gregorian_ctor ) {
	gregorian_t const	g( bce_to_astro( 4714 ), 11, 24 );
	jdn_t const			j = -0.5;

	Date zero( year(g), month(g), day(g) );
	BOOST_CHECK( zero.jdn() == j );
	BOOST_CHECK( zero.gregorian() == g );
}



BOOST_AUTO_TEST_CASE( equality_operator ) {
	Date const original( 2001,1,1 );
	Date const same( 2001,1,1 );
	Date const different( 2001,1,2);

	BOOST_CHECK( original == same );
	BOOST_CHECK( !(original == different  ) );
	BOOST_CHECK( original != different );
	BOOST_CHECK( !(original != same ) );

}

BOOST_AUTO_TEST_CASE( day_addition_operator ) {
	Date start(2000,1,1);
	Date later = start + 10;

	BOOST_CHECK( start.jdn() + 10 == later.jdn() );

}

BOOST_AUTO_TEST_CASE( week_addition_operator ) {
	Date start(2000,1,1);
	Date later = start + weeks(10);

	BOOST_CHECK( start.jdn() + 70 == later.jdn() );

}

BOOST_AUTO_TEST_CASE( year_addition_operator ) {
	Date start(2000,1,1);
	Date later = start + years(10);

	BOOST_CHECK( Date (2010,1,1) == later.jdn() );
	BOOST_CHECK( Date (2003,3,1) + years(1) == Date(2004,3,1) );
	BOOST_CHECK( Date (2004,3,1) + years(1) == Date(2005,3,1) );

}