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// 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
multi_linestring_type mls;
bg::read_wkt("MULTILINESTRING((nan nan))", mls);
test_simple(mls, true, false);
}
BOOST_AUTO_TEST_CASE( test_geometry_with_NaN_coordinates_2 )
{
#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);
multi_linestring_type mls;
bg::intersection(ls1, ls2, mls);
test_simple(mls, false, 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);
}
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