// $Id: PointTest.cpp 1842 2006-09-07 15:28:03Z strk $
// 
// Test Suite for geos::geom::Point class.

// TUT
#include <tut.h>
// GEOS
#include <geos/geom/Point.h>
#include <geos/geom/Coordinate.h>
#include <geos/geom/CoordinateArraySequence.h>
#include <geos/geom/Dimension.h>
#include <geos/geom/Geometry.h>
#include <geos/geom/GeometryFactory.h>
#include <geos/geom/PrecisionModel.h>
#include <geos/io/WKTReader.h>
#include <geos/util/IllegalArgumentException.h>

namespace tut
{
    //
    // Test Group
    //

    // Common data used by tests
    struct test_point_data
    {
	typedef geos::geom::Coordinate* CoordinatePtr;
	typedef geos::geom::Coordinate const* CoordinateCPtr;

	typedef geos::geom::Geometry* GeometryPtr;
	typedef std::auto_ptr<geos::geom::Geometry> GeometryAutoPtr;
	typedef geos::geom::Geometry const* GeometryCPtr;

	typedef geos::geom::Point* PointPtr;
	typedef std::auto_ptr<geos::geom::Point> PointAutoPtr;
	typedef geos::geom::Point const* PointCPtr;

	geos::geom::PrecisionModel pm_;
	geos::geom::GeometryFactory factory_;
	geos::io::WKTReader reader_;
	PointAutoPtr empty_point_;
	PointPtr point_;

	test_point_data()
	    : pm_(1000), factory_(&pm_, 0), reader_(&factory_), empty_point_(factory_.createPoint())
	{
	    // Create non-empty Point
	    GeometryPtr geo = 0;
	    geo = reader_.read("POINT(1.234 5.678)");
	    point_ = static_cast<PointPtr>(geo);
	}
	
	~test_point_data()
	{
	    factory_.destroyGeometry(point_);
	}
    };

    typedef test_group<test_point_data> group;
    typedef group::object object;

    group test_point_group("geos::geom::Point");

    //
    // Test Cases
    //

    // Test of user's constructor to build empty Point
    template<>
    template<>
    void object::test<1>()
    {
		PointAutoPtr point(factory_.createPoint());
		ensure( point->isEmpty() );
    }

    // Test of user's constructor to build non-empty Point
    template<>
    template<>
    void object::test<2>()
    {
		using geos::geom::Coordinate;
		using geos::geom::CoordinateArraySequence;
		
		CoordinateArraySequence* coords = new CoordinateArraySequence();
		ensure( coords != 0 );
		coords->add(Coordinate(1.234, 5.678));

		PointAutoPtr point(factory_.createPoint(coords));
		ensure( !point->isEmpty() );
    }

    // Test of user's constructor throwing IllegalArgumentException
    template<>
    template<>
    void object::test<3>()
    {
		using geos::geom::Coordinate;
		using geos::geom::CoordinateArraySequence;

		// TODO - mloskot - temporary solution of Bug #89
		CoordinateArraySequence* coords = 0;
		try
		{
			coords = new CoordinateArraySequence();
			ensure( coords != 0 );
			coords->add(Coordinate(1.234, 5.678));
			coords->add(Coordinate(4.321, 8.765));

			PointAutoPtr point(factory_.createPoint(coords));

			fail("IllegalArgumentException expected.");
		}
		catch (geos::util::IllegalArgumentException const& e)
		{
			// TODO - mloskot - Bug #89: Possible memory leaks caused by Point constructor
			//delete coords;

			const char* msg = e.what(); // ok 
			ensure( msg != 0 );
		}
    }

	// Test of copy constructor
	template<>
	template<>
	void object::test<4>()
	{
		GeometryAutoPtr copy(empty_point_->clone());
		ensure( copy->isEmpty() );
	}

	// Test of isEmpty() for empty Point
	template<>
	template<>
	void object::test<5>()
	{
		ensure( empty_point_->isEmpty() );
	}

	// Test of isSimple() for empty Point
	template<>
	template<>
	void object::test<6>()
	{
		ensure( empty_point_->isSimple() );
	}

	// Test of isValid() for empty Point
	template<>
	template<>
	void object::test<7>()
	{
		ensure( empty_point_->isValid() );
	}

	// Test of getEnvelope() for empty Point
	template<>
	template<>
	void object::test<8>()
	{
		GeometryPtr envelope = empty_point_->getEnvelope();	
		ensure( envelope != 0 );
		ensure( envelope->isEmpty() );
		factory_.destroyGeometry(envelope);
	}

	// Test of getBoundary() for empty Point
	template<>
	template<>
	void object::test<9>()
	{
		GeometryPtr boundary = empty_point_->getBoundary();	
		ensure( boundary != 0 );
		ensure( boundary->isEmpty() );
		factory_.destroyGeometry(boundary);
	}

	// Test of convexHull() for empty Point
	template<>
	template<>
	void object::test<10>()
	{
		GeometryPtr hull = empty_point_->convexHull();	
		ensure( hull != 0 );
		ensure( hull->isEmpty() );
		factory_.destroyGeometry(hull);
	}

	// Test of getGeometryTypeId() for empty Point
	template<>
	template<>
	void object::test<11>()
	{
		ensure_equals( empty_point_->getGeometryTypeId(), geos::geom::GEOS_POINT );
	}

	// Test of getGeometryType() for empty Polygon
	template<>
	template<>
	void object::test<12>()
	{
		const std::string type("Point");
		ensure_equals( empty_point_->getGeometryType(), type );
	}

	// Test of getDimension() for empty Point
	template<>
	template<>
	void object::test<13>()
	{
		ensure_equals( empty_point_->getDimension(), geos::geom::Dimension::P );
	}

	// Test of getBoundaryDimension() for empty Point
	template<>
	template<>
	void object::test<14>()
	{
		ensure_equals( empty_point_->getBoundaryDimension(), geos::geom::Dimension::False );
	}	

	// Test of getNumPoints() for empty Point
	template<>
	template<>
	void object::test<15>()
	{
		ensure_equals( empty_point_->getNumPoints(), (size_t)0 );
	}

	// Test of getLength() for empty Point
	template<>
	template<>
	void object::test<16>()
	{
		ensure_equals( empty_point_->getLength(), 0 );
	}

	// Test of getArea() for empty Point
	template<>
	template<>
	void object::test<17>()
	{
		ensure_equals( empty_point_->getArea(), 0 );
	}

	// Test of isEmpty() for non-empty Point
	template<>
	template<>
	void object::test<18>()
	{
		ensure( !point_->isEmpty() );
	}

	// Test of isSimple() for non-empty Point
	template<>
	template<>
	void object::test<19>()
	{
		ensure( point_->isSimple() );
	}

	// Test of isValid() for non-empty Point
	template<>
	template<>
	void object::test<20>()
	{
		ensure( point_->isValid() );
	}

	// Test of getEnvelope() for non-empty Point
	template<>
	template<>
	void object::test<21>()
	{
		GeometryPtr envelope = point_->getEnvelope();	
		ensure( envelope != 0 );
		ensure( !envelope->isEmpty() );
		factory_.destroyGeometry(envelope);
	}

	// Test of getBoundary() for non-empty Point
	template<>
	template<>
	void object::test<22>()
	{
		GeometryPtr boundary = point_->getBoundary();	
		ensure( boundary != 0 );
		ensure( boundary->isEmpty() );
		factory_.destroyGeometry(boundary);
	}

	// Test of convexHull() for non-empty Point
	template<>
	template<>
	void object::test<23>()
	{
		GeometryPtr hull = point_->convexHull();	
		ensure( hull != 0 );
		ensure( !hull->isEmpty() );
		factory_.destroyGeometry(hull);
	}

	// Test of getGeometryTypeId() for non-empty Point
	template<>
	template<>
	void object::test<24>()
	{
		ensure_equals( point_->getGeometryTypeId(), geos::geom::GEOS_POINT );
	}

	// Test of getGeometryType() for non-empty Polygon
	template<>
	template<>
	void object::test<25>()
	{
		const std::string type("Point");
		ensure_equals( point_->getGeometryType(), type );
	}

	// Test of getDimension() for non-empty Point
	template<>
	template<>
	void object::test<26>()
	{
		ensure_equals( point_->getDimension(), geos::geom::Dimension::P );
	}

	// Test of getBoundaryDimension() for non-empty Point
	template<>
	template<>
	void object::test<27>()
	{
		ensure_equals( empty_point_->getBoundaryDimension(), geos::geom::Dimension::False );
	}	

	// Test of getNumPoints() for non-empty Point
	template<>
	template<>
	void object::test<28>()
	{
		ensure_equals( point_->getNumPoints(), (size_t)1 );
	}

	// Test of getLength() for non-empty Point
	template<>
	template<>
	void object::test<29>()
	{
		ensure_equals( point_->getLength(), 0 );
	}

	// Test of getArea() for non-empty Point
	template<>
	template<>
	void object::test<30>()
	{
		ensure_equals( point_->getArea(), 0 );
	}

	// Test of equals() for empty Point
	template<>
	template<>
	void object::test<31>()
	{
		GeometryAutoPtr geo(empty_point_->clone());

		ensure( !empty_point_->equals(geo.get()) );
	}

	// Test of equals() for non-empty Point (1.234,5.678)
	template<>
	template<>
	void object::test<32>()
	{
		GeometryPtr p1 = reader_.read("POINT(1.234 5.678)");
		GeometryPtr p2 = reader_.read("POINT(1.234 5.678)");
		
		// WARNING! If test fails, memory leaks occur.
		ensure( p1->equals(p2) );
		
		// FREE MEMORY
		factory_.destroyGeometry(p1);
		factory_.destroyGeometry(p2);
	}

	// Test of equals() for non-empty Point (1.23 5.67)
	template<>
	template<>
	void object::test<33>()
	{
		GeometryPtr p1 = reader_.read("POINT(1.23 5.67)");
		GeometryPtr p2 = reader_.read("POINT(1.23 5.67)");
		
		// WARNING! If test fails, memory leaks occur.
		ensure( p1->equals(p2) );
		
		// FREE MEMORY
		factory_.destroyGeometry(p1);
		factory_.destroyGeometry(p2);
	}

	// Test of equals() for non-empty Points (1.235 5.678) and (1.234 5.678)
	template<>
	template<>
	void object::test<34>()
	{
		GeometryPtr p1 = reader_.read("POINT(1.235 5.678)");
		GeometryPtr p2 = reader_.read("POINT(1.234 5.678)");
		
		// WARNING! If test fails, memory leaks occur.
		ensure( !p1->equals(p2) );
		
		// FREE MEMORY
		factory_.destroyGeometry(p1);
		factory_.destroyGeometry(p2);
	}

	// Test of equals() for non-empty Points (1.2334 5.678) and (1.2333 5.678)
	template<>
	template<>
	void object::test<35>()
	{
		GeometryPtr p1 = reader_.read("POINT(1.2334 5.678)");
		GeometryPtr p2 = reader_.read("POINT(1.2333 5.678)");
		
		// WARNING! If test fails, memory leaks occur.
		ensure( p1->equals(p2) );
		
		// FREE MEMORY
		factory_.destroyGeometry(p1);
		factory_.destroyGeometry(p2);
	}

	// Test of equals() for non-empty Points (1.2334 5.678) and (1.2335 5.678)
	template<>
	template<>
	void object::test<36>()
	{
		GeometryPtr p1 = reader_.read("POINT(1.2334 5.678)");
		GeometryPtr p2 = reader_.read("POINT(1.2335 5.678)");
		
		// WARNING! If test fails, memory leaks occur.
		ensure( !p1->equals(p2) );

		// FREE MEMORY
		factory_.destroyGeometry(p1);
		factory_.destroyGeometry(p2);
	}

	// Test of equals() for non-empty Points (1.2324 5.678) and (1.2325 5.678)
	template<>
	template<>
	void object::test<37>()
	{
		GeometryPtr p1 = reader_.read("POINT(1.2324 5.678)");
		GeometryPtr p2 = reader_.read("POINT(1.2325 5.678)");

		// WARNING! If test fails, memory leaks occur.
		ensure( !p1->equals(p2) );
		
		// FREE MEMORY
		factory_.destroyGeometry(p1);
		factory_.destroyGeometry(p2);
	}

	// Test of equals() for non-empty Points (1.2324 5.678) and (EMPTY)
	template<>
	template<>
	void object::test<38>()
	{
		GeometryPtr p1 = reader_.read("POINT(1.2324 5.678)");
		GeometryPtr p2 = reader_.read("POINT EMPTY");
		
		// WARNING! If test fails, memory leaks occur.
		ensure( !p1->equals(p2) );

		// FREE MEMORY
		factory_.destroyGeometry(p1);
		factory_.destroyGeometry(p2);
	}

	// Test of equals() for non-empty Points with negative coordiantes
	template<>
	template<>
	void object::test<39>()
	{
		GeometryPtr pLo = reader_.read("POINT(-1.233 5.678)");
		GeometryPtr pHi = reader_.read("POINT(-1.232 5.678)");

		GeometryPtr p1 = reader_.read("POINT(-1.2326 5.678)");
		GeometryPtr p2 = reader_.read("POINT(-1.2325 5.678)");
		GeometryPtr p3 = reader_.read("POINT(-1.2324 5.678)");

		ensure( !p1->equals(p2) );
		ensure( p3->equals(p2) );

		ensure( p1->equals(pLo) );
		ensure( p2->equals(pHi) );
		ensure( p3->equals(pHi) );

		// FREE MEMORY
		factory_.destroyGeometry(pLo);
		factory_.destroyGeometry(pHi);
		factory_.destroyGeometry(p1);
		factory_.destroyGeometry(p2);
		factory_.destroyGeometry(p3);
	}

} // namespace tut