315 lines
13 KiB
C++
315 lines
13 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
|
|
// Unit Test
|
|
|
|
// Copyright (c) 2014-2017, Oracle and/or its affiliates.
|
|
|
|
// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
|
|
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
|
|
|
|
// Licensed under the Boost Software License version 1.0.
|
|
// http://www.boost.org/users/license.html
|
|
|
|
#ifndef BOOST_TEST_MODULE
|
|
#define BOOST_TEST_MODULE test_is_simple
|
|
#endif
|
|
|
|
#include "test_is_simple.hpp"
|
|
|
|
|
|
namespace bg = ::boost::geometry;
|
|
|
|
typedef bg::model::point<double, 2, bg::cs::cartesian> point_type;
|
|
typedef bg::model::segment<point_type> segment_type;
|
|
typedef bg::model::linestring<point_type> linestring_type;
|
|
typedef bg::model::multi_linestring<linestring_type> multi_linestring_type;
|
|
// ccw open and closed polygons
|
|
typedef bg::model::polygon<point_type,false,false> open_ccw_polygon_type;
|
|
typedef bg::model::polygon<point_type,false,true> closed_ccw_polygon_type;
|
|
// multi-geometries
|
|
typedef bg::model::multi_point<point_type> multi_point_type;
|
|
typedef bg::model::multi_polygon<open_ccw_polygon_type> multi_polygon_type;
|
|
// box
|
|
typedef bg::model::box<point_type> box_type;
|
|
|
|
|
|
BOOST_AUTO_TEST_CASE( test_is_simple_point )
|
|
{
|
|
#ifdef BOOST_GEOMETRY_TEST_DEBUG
|
|
std::cout << std::endl << std::endl;
|
|
std::cout << "************************************" << std::endl;
|
|
std::cout << " is_simple: POINT " << std::endl;
|
|
std::cout << "************************************" << std::endl;
|
|
#endif
|
|
|
|
typedef point_type G;
|
|
|
|
test_simple(from_wkt<G>("POINT(0 0)"), true);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE( test_is_simple_multipoint )
|
|
{
|
|
#ifdef BOOST_GEOMETRY_TEST_DEBUG
|
|
std::cout << std::endl << std::endl;
|
|
std::cout << "************************************" << std::endl;
|
|
std::cout << " is_simple: MULTIPOINT " << std::endl;
|
|
std::cout << "************************************" << std::endl;
|
|
#endif
|
|
|
|
typedef multi_point_type G;
|
|
|
|
test_simple(from_wkt<G>("MULTIPOINT(0 0)"), true);
|
|
test_simple(from_wkt<G>("MULTIPOINT(0 0,1 0,1 1,0 1)"), true);
|
|
test_simple(from_wkt<G>("MULTIPOINT(0 0,1 0,1 1,1 0,0 1)"), false);
|
|
|
|
// empty multipoint
|
|
test_simple(from_wkt<G>("MULTIPOINT()"), true);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE( test_is_simple_segment )
|
|
{
|
|
#ifdef BOOST_GEOMETRY_TEST_DEBUG
|
|
std::cout << std::endl << std::endl;
|
|
std::cout << "************************************" << std::endl;
|
|
std::cout << " is_simple: SEGMENT " << std::endl;
|
|
std::cout << "************************************" << std::endl;
|
|
#endif
|
|
|
|
typedef segment_type G;
|
|
|
|
test_simple(from_wkt<G>("SEGMENT(0 0,1 0)"), true);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE( test_is_simple_linestring )
|
|
{
|
|
#ifdef BOOST_GEOMETRY_TEST_DEBUG
|
|
std::cout << std::endl << std::endl;
|
|
std::cout << "************************************" << std::endl;
|
|
std::cout << " is_simple: LINESTRING " << std::endl;
|
|
std::cout << "************************************" << std::endl;
|
|
#endif
|
|
|
|
typedef linestring_type G;
|
|
|
|
// valid linestrings with multiple points
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,0 0,1 0)"), false);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,0 0,1 0,0 0)"), false);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,0 0,1 0,1 0,1 1,0 0)"), false);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,1 0,2 0,1 1,1 0,1 -1)"), false);
|
|
|
|
// simple open linestrings
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,1 2)"), true);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,1 2,2 3)"), true);
|
|
|
|
// simple closed linestrings
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,1 0,1 1,0 0)"), true);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,1 0,1 1,0 1,0 0)"), true);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,10 0,10 10,0 10,0 0)"), true);
|
|
|
|
// non-simple linestrings
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,1 0,0 0)"), false);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,1 0,2 10,0.5 -1)"), false);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,1 0,2 1,1 0)"), false);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,1 0,2 1,0.5 0)"), false);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,2 0,1 0)"), false);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,3 0,5 0,1 0)"), false);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,3 0,5 0,4 0)"), false);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,3 0,5 0,4 0,2 0)"), false);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,3 0,2 0,5 0)"), false);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,2 0,2 2,1 0,0 0)"), false);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,1 0,2 0,2 2,1 0,0 0)"), false);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,10 0,10 10,0 10,0 0,0 0)"), false);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,0 10,5 10,0 0,10 10,10 5,10 0,0 0)"), false);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,0 0,10 0,10 10,0 10,0 0,0 0)"),
|
|
false);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,0 0,0 0,10 0,10 10,0 10,0 0,0 0,0 0,0 0)"),
|
|
false);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,0 0,10 0,10 10,10 10,10 10,10 10,10 10,0 10,0 0,0 0)"),
|
|
false);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,1 0,2 0,2 2,1 0)"), false);
|
|
test_simple(from_wkt<G>("LINESTRING(1 0,2 2,2 0,1 0,0 0)"), false);
|
|
test_simple(from_wkt<G>("LINESTRING(0 0,1 0,2 0,2 2,1 0,1 4,0 0)"), false);
|
|
test_simple(from_wkt<G>("LINESTRING(4 1,10 8,4 6,4 1,10 5,10 3)"),
|
|
false);
|
|
test_simple(from_wkt<G>("LINESTRING(10 3,10 5,4 1,4 6,10 8,4 1)"),
|
|
false);
|
|
|
|
// empty linestring
|
|
// the simplicity result is irrelevant since an empty linestring
|
|
// is considered as invalid
|
|
test_simple(from_wkt<G>("LINESTRING()"), false, false);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE( test_is_simple_multilinestring )
|
|
{
|
|
#ifdef BOOST_GEOMETRY_TEST_DEBUG
|
|
std::cout << std::endl << std::endl;
|
|
std::cout << "************************************" << std::endl;
|
|
std::cout << " is_simple: MULTILINESTRING " << std::endl;
|
|
std::cout << "************************************" << std::endl;
|
|
#endif
|
|
|
|
typedef multi_linestring_type G;
|
|
|
|
// multilinestrings with linestrings with spikes
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,1 0,0 0),(5 0,6 0,7 0))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,1 0,0 0),(5 0,1 0,4 1))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,1 0,0 0),(5 0,1 0,4 0))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,1 0,0 0),(1 0,2 0))"),
|
|
false);
|
|
|
|
// simple multilinestrings
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,1 1),(1 1,1 0))"), true);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,1 1),(1 1,1 0),(0 1,1 1))"),
|
|
true);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,2 2),(0 0,1 0,2 0,2 2))"), true);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,2 2),(2 2,2 0,1 0,0 0))"), true);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,1 0),(0 0,-1 0),(1 0,2 0))"),
|
|
true);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,1 0),(-1 0,0 0),(2 0,1 0))"),
|
|
true);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,1 0),(0 0,0 1),(0 0,-1 0),(0 0,0 -1))"),
|
|
true);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,10 0,10 10,0 10,0 0))"), true);
|
|
|
|
// non-simple multilinestrings
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,2 2),(0 0,2 2))"), false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,2 2),(2 2,0 0))"), false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,2 2),(0 0,1 0,1 1,2 0,2 2))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,1 1,2 2),(0 0,1 0,1 1,2 0,2 2))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,1 1,2 2),(2 2,0 0))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,2 2,4 4),(0 0,1 1))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,2 2,4 4),(0 0,3 3))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,2 2,4 4),(1 1,3 3))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,2 2,4 4),(1 1,2 2))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,2 2,4 4),(2 2,3 3))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,2 2,4 4),(2 2,4 4))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,2 2,4 4),(4 4,2 2))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,1 1),(0 1,1 0))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,2 0),(1 0,0 1))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,1 1),(1 1,1 0),(1 1,0 1,0.5,0.5))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,1 0,1 1,0 1,0 0),(1 0,1 -1))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,1 0,1 1,0 1,0 0),(-1 0,0 0))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,1 0,1 1,0 1,0 0),(0 0,-1 0,-1 -1,0 -1,0 0))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,1 0,1 1,0 1,0 0),(-1 -1,-1 0,0 0,0 -1,-1 -1))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((0 0,0 10,5 10,0 0,10 10,10 5,10 0,0 0))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((4 1,10 8,4 6,4 1,10 5,10 3))"),
|
|
false);
|
|
test_simple(from_wkt<G>("MULTILINESTRING((10 3,10 5,4 1,4 6,10 8,4 1))"),
|
|
false);
|
|
|
|
// empty multilinestring
|
|
test_simple(from_wkt<G>("MULTILINESTRING()"), true);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE( test_is_simple_areal )
|
|
{
|
|
typedef box_type b;
|
|
typedef open_ccw_polygon_type o_ccw_p;
|
|
typedef multi_polygon_type mpl;
|
|
|
|
// check that is_simple compiles for boxes
|
|
test_simple(from_wkt<b>("BOX(0 0,1 1)"), true);
|
|
|
|
// simple polygons and multi-polygons
|
|
test_simple(from_wkt<o_ccw_p>("POLYGON((0 0,1 0,1 1))"), true);
|
|
test_simple(from_wkt<o_ccw_p>("POLYGON((0 0,10 0,10 10,0 10),(1 1,1 9,9 9,9 1))"),
|
|
true);
|
|
test_simple(from_wkt<mpl>("MULTIPOLYGON(((0 0,1 0,1 1)),((10 0,20 0,20 10,10 10)))"),
|
|
true);
|
|
|
|
// non-simple polygons & multi-polygons (have duplicate points)
|
|
test_simple(from_wkt<o_ccw_p>("POLYGON((0 0,1 0,1 0,1 1))"), false);
|
|
test_simple(from_wkt<o_ccw_p>("POLYGON((0 0,10 0,10 10,0 10),(1 1,1 9,9 9,9 9,9 1))"),
|
|
false);
|
|
test_simple(from_wkt<mpl>("MULTIPOLYGON(((0 0,1 0,1 1,1 1)),((10 0,20 0,20 0,20 10,10 10)))"),
|
|
false);
|
|
|
|
// empty polygon
|
|
// the simplicity result is irrelevant since an empty polygon
|
|
// is considered as invalid
|
|
test_simple(from_wkt<o_ccw_p>("POLYGON(())"), false, false);
|
|
|
|
// empty multipolygon
|
|
test_simple(from_wkt<mpl>("MULTIPOLYGON()"), true);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE( test_geometry_with_NaN_coordinates )
|
|
{
|
|
#ifdef BOOST_GEOMETRY_TEST_DEBUG
|
|
std::cout << std::endl << std::endl;
|
|
std::cout << "************************************" << std::endl;
|
|
std::cout << " is_valid: geometry with NaN coordinates" << std::endl;
|
|
std::cout << "************************************" << std::endl;
|
|
#endif
|
|
|
|
linestring_type ls1, ls2;
|
|
bg::read_wkt("LINESTRING(1 1,1.115235e+308 1.738137e+308)", ls1);
|
|
bg::read_wkt("LINESTRING(-1 1,1.115235e+308 1.738137e+308)", ls2);
|
|
|
|
// the intersection of the two linestrings is a new linestring
|
|
// (multilinestring with a single element) that has NaN coordinates
|
|
multi_linestring_type mls;
|
|
bg::intersection(ls1, ls2, mls);
|
|
|
|
test_simple(mls, true, false);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE( test_is_simple_variant )
|
|
{
|
|
#ifdef BOOST_GEOMETRY_TEST_DEBUG
|
|
std::cout << std::endl << std::endl;
|
|
std::cout << "************************************" << std::endl;
|
|
std::cout << " is_simple: variant support" << std::endl;
|
|
std::cout << "************************************" << std::endl;
|
|
#endif
|
|
|
|
typedef bg::model::polygon<point_type> polygon_type; // cw, closed
|
|
typedef boost::variant
|
|
<
|
|
linestring_type, multi_linestring_type, polygon_type
|
|
> variant_geometry;
|
|
|
|
variant_geometry vg;
|
|
|
|
linestring_type simple_linestring =
|
|
from_wkt<linestring_type>("LINESTRING(0 0,1 0)");
|
|
multi_linestring_type non_simple_multi_linestring = from_wkt
|
|
<
|
|
multi_linestring_type
|
|
>("MULTILINESTRING((0 0,1 0,1 1,0 0),(10 0,1 1))");
|
|
polygon_type simple_polygon =
|
|
from_wkt<polygon_type>("POLYGON((0 0,1 1,1 0,0 0))");
|
|
polygon_type non_simple_polygon =
|
|
from_wkt<polygon_type>("POLYGON((0 0,1 1,1 0,1 0,0 0))");
|
|
|
|
vg = simple_linestring;
|
|
test_simple(vg, true);
|
|
vg = non_simple_multi_linestring;
|
|
test_simple(vg, false);
|
|
vg = simple_polygon;
|
|
test_simple(vg, true);
|
|
vg = non_simple_polygon;
|
|
test_simple(vg, false);
|
|
}
|