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// Boost.Geometry (aka GGL, Generic Geometry Library)

// Unit Test

// This file was modified by Oracle on 2017.

// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle

// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library

// Use, modification and distribution is subject to the Boost Software License,

// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at

// http://www.boost.org/LICENSE_1_0.txt)

#include <sstream>

#include <algorithms/test_correct.hpp>

#include <boost/geometry/strategies/strategies.hpp>

#include <boost/geometry/io/dsv/write.hpp>

#include <boost/geometry/geometries/point_xy.hpp>

#include <boost/geometry/geometries/box.hpp>

#include <boost/geometry/geometries/ring.hpp>

#include <boost/geometry/geometries/polygon.hpp>

// Note: 3D/box test cannot be done using WKT because:

// -> wkt-box does not exist

// -> so it is converted to a ring

// -> ring representation of 3d-box is not supported, nor feasible

// -> so it uses DSV which can represent a box

template <typename Geometry>

void test_geometry_dsv(std::string const& wkt, std::string const& expected)

{

Geometry geometry;

bg::read_wkt(wkt, geometry);

bg::correct(geometry);

std::ostringstream out;

out << bg::dsv(geometry);

BOOST_CHECK_EQUAL(out.str(), expected);

}

template <typename P>

void test_ring_polygon()

{

// Define clockwise and counter clockwise polygon

std::string cw_ring = "POLYGON((0 0,0 1,1 1,1 0,0 0))";

std::string ccw_ring = "POLYGON((0 0,1 0,1 1,0 1,0 0))";

std::string cw_open_ring = "POLYGON((0 0,0 1,1 1,1 0))";

std::string ccw_open_ring = "POLYGON((0 0,1 0,1 1,0 1))";

// already cw_ring

test_geometry<bg::model::ring >(cw_ring, cw_ring);

// wrong order

test_geometry<bg::model::ring >(ccw_ring, cw_ring);

// ccw-ring, input ccw-ring, already correct

test_geometry<bg::model::ring<P, false> >(ccw_ring, ccw_ring);

// ccw-ring, input cw-ring, corrected

test_geometry<bg::model::ring<P, false> >(cw_ring, ccw_ring);

// open-ring, input ccw-ring, already correct

test_geometry<bg::model::ring<P, true, false> >(cw_open_ring, cw_open_ring);

// ccw-ring, input cw-ring, corrected

test_geometry<bg::model::ring<P, true, false> >(ccw_open_ring, "POLYGON((0 1,1 1,1 0,0 0))");

// not closed

test_geometry<bg::model::ring >(

ccw_open_ring,

cw_ring);

// counter clockwise, cw_ring

test_geometry<bg::model::ring<P, false> >(ccw_ring, ccw_ring);

test_geometry<bg::model::ring<P, false> >(cw_ring, ccw_ring);

// polygon: cw_ring

test_geometry<bg::model::polygon >(cw_ring, cw_ring);

// wrong order

test_geometry<bg::model::polygon >(

"POLYGON((0 0,1 0,1 1,0 1,0 0))",

cw_ring);

// wrong order & not closed

test_geometry<bg::model::polygon >(

ccw_open_ring,

cw_ring);

std::string cw_holey_polygon =

"POLYGON((0 0,0 4,4 4,4 0,0 0),(1 1,2 1,2 2,1 2,1 1))";

std::string ccw_holey_polygon =

"POLYGON((0 0,4 0,4 4,0 4,0 0),(1 1,1 2,2 2,2 1,1 1))";

// with holes: cw_ring

test_geometry<bg::model::polygon >(

cw_holey_polygon,

cw_holey_polygon);

// wrong order of main

test_geometry<bg::model::polygon >(

"POLYGON((0 0,4 0,4 4,0 4,0 0),(1 1,2 1,2 2,1 2,1 1))",

cw_holey_polygon);

// wrong order of hole

test_geometry<bg::model::polygon >(

"POLYGON((0 0,0 4,4 4,4 0,0 0),(1 1,1 2,2 2,2 1,1 1))",

cw_holey_polygon);

// wrong order of main and hole

test_geometry<bg::model::polygon >(ccw_holey_polygon, cw_holey_polygon);

// test the counter-clockwise

test_geometry<bg::model::polygon<P, false> >(

ccw_holey_polygon, ccw_holey_polygon);

}

template <typename P>

void test_box()

{

// Boxes. Reference is an open box (because in this test WKT is not

// explicitly closed)

std::string proper_box = "POLYGON((0 0,0 2,2 2,2 0))";

test_geometry<bg::model::box >(proper_box, proper_box);

test_geometry<bg::model::box >("BOX(0 0,2 2)", proper_box);

test_geometry<bg::model::box >("BOX(2 2,0 0)", proper_box);

test_geometry<bg::model::box >("BOX(0 2,2 0)", proper_box);

// Cubes

typedef bg::model::box<bg::model::point<double, 3, bg::cs::cartesian> > box3d;

std::string proper_3d_dsv_box = "((0, 0, 0), (2, 2, 2))";

test_geometry_dsv<box3d>("BOX(0 0 0,2 2 2)", proper_3d_dsv_box);

test_geometry_dsv<box3d>("BOX(2 2 2,0 0 0)", proper_3d_dsv_box);

test_geometry_dsv<box3d>("BOX(0 2 2,2 0 0)", proper_3d_dsv_box);

test_geometry_dsv<box3d>("BOX(2 0 2,0 2 0)", proper_3d_dsv_box);

test_geometry_dsv<box3d>("BOX(0 0 2,2 2 0)", proper_3d_dsv_box);

}

template <typename P>

void test_all()

{

test_ring_polygon();

test_box();

}

int test_main(int, char* [])

{

//test_all<int[2]>();

//test_all<float[2]>(); not yet because cannot be copied, for polygon

//test_all<double[2]>();

test_all<bg::model::d2::point_xy<int> >();

test_all<bg::model::d2::point_xy<float> >();

test_all<bg::model::d2::point_xy<double> >();

test_ring_polygon<bg::model::point<double, 2, bg::cs::spherical_equatorial<bg::degree> > >();

test_ring_polygon<bg::model::point<double, 2, bg::cs::geographic<bg::degree> > >();

return 0;

}

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