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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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