#include "../LineTrackingStreambuf.h"

#include <sstream>

#include <Alepha/Testing/test.h>
#include <Alepha/Utility/evaluation_helpers.h>


static auto init= Alepha::Utility::enroll <=[]
{
	using namespace Alepha::Testing::exports;

	"Do we see line numbers in a simple case?"_test <=[]( TestState &test )
	{
		const std::string c= "One Two Three\nFour\n\nFive\n\n\n\nSeven";
		std::istringstream iss{ c };

		iss >> Alepha::IOStreams::TrackLines{};

		using Alepha::IOStreams::getLineNumber;

		std::string s;
		test.expect( getLineNumber( iss ) == 1, "Line should be 1." );

		std::cerr << "Num: " << getLineNumber( iss ) << std::endl;
		iss >> s; // One
		std::cerr << "s: " << s << std::endl;
		test.expect( getLineNumber( iss ) == 1, "Line should be 1." );

		std::cerr << "Num: " << getLineNumber( iss ) << std::endl;
		iss >> s; // Two
		std::cerr << "s: " << s << std::endl;
		test.expect( getLineNumber( iss ) == 1, "Line should be 1." );

		std::cerr << "Num: " << getLineNumber( iss ) << std::endl;
		iss >> s; // Three
		std::cerr << "s: " << s << std::endl;
		test.expect( getLineNumber( iss ) == 1, "Line should be 1." );

		std::cerr << "Num: " << getLineNumber( iss ) << std::endl;
		iss >> s; // Four
		std::cerr << "s: " << s << std::endl;
		test.expect( getLineNumber( iss ) == 2, "Line should be 2." );

		std::cerr << "Num: " << getLineNumber( iss ) << std::endl;
		iss >> s; // Five
		std::cerr << "s: " << s << std::endl;
		test.expect( getLineNumber( iss ) == 4, "Line should be 4." );

		std::cerr << "Num: " << getLineNumber( iss ) << std::endl;
		iss >> s; // Five
		std::cerr << "s: " << s << std::endl;
		test.expect( getLineNumber( iss ) == 8, "Line should be 8." );
	};
};