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- // Boost.Geometry (aka GGL, Generic Geometry Library)
- // Unit Test
- // Copyright (c) 2014, Oracle and/or its affiliates.
- // Contributed and/or modified by Menelaos Karavelas, 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_num_geometries
- #endif
- #include <iostream>
- #include <boost/test/included/unit_test.hpp>
- #include <boost/variant/variant.hpp>
- #include <boost/geometry/algorithms/num_geometries.hpp>
- #include <boost/geometry/core/closure.hpp>
- #include <boost/geometry/geometries/geometries.hpp>
- #include <boost/geometry/io/wkt/wkt.hpp>
- #include <boost/geometry/io/dsv/write.hpp>
- namespace bg = boost::geometry;
- typedef bg::model::point<double, 2, bg::cs::cartesian> point;
- typedef bg::model::linestring<point> linestring;
- typedef bg::model::segment<point> segment;
- typedef bg::model::box<point> box;
- typedef bg::model::ring<point> ring;
- typedef bg::model::polygon<point> polygon;
- typedef bg::model::multi_point<point> multi_point;
- typedef bg::model::multi_linestring<linestring> multi_linestring;
- typedef bg::model::multi_polygon<polygon> multi_polygon;
- template <typename Geometry>
- struct test_num_geometries
- {
- static inline void apply(Geometry const& geometry,
- std::size_t expected)
- {
- std::size_t detected = bg::num_geometries(geometry);
- BOOST_CHECK_MESSAGE( detected == expected,
- "Expected: " << expected
- << " detected: " << detected
- << " wkt: " << bg::wkt(geometry) );
- }
- static inline void apply(std::string const& wkt,
- std::size_t expected)
- {
- Geometry geometry;
- bg::read_wkt(wkt, geometry);
- apply(geometry, expected);
- }
- };
- BOOST_AUTO_TEST_CASE( test_point )
- {
- test_num_geometries<point>::apply("POINT(0 0)", 1);
- }
- BOOST_AUTO_TEST_CASE( test_segment )
- {
- test_num_geometries<segment>::apply("SEGMENT(0 0,1 1)", 1);
- }
- BOOST_AUTO_TEST_CASE( test_box )
- {
- test_num_geometries<box>::apply("BOX(0 0,1 1)", 1);
- }
- BOOST_AUTO_TEST_CASE( test_linestring )
- {
- test_num_geometries<linestring>::apply("LINESTRING(0 0,1 1,2 2)", 1);
- }
- BOOST_AUTO_TEST_CASE( test_multipoint )
- {
- typedef test_num_geometries<multi_point> tester;
- tester::apply("MULTIPOINT()", 0);
- tester::apply("MULTIPOINT(0 0)", 1);
- tester::apply("MULTIPOINT(0 0,0 0)", 2);
- tester::apply("MULTIPOINT(0 0,0 0,1 1)", 3);
- }
- BOOST_AUTO_TEST_CASE( test_multilinestring )
- {
- typedef test_num_geometries<multi_linestring> tester;
- tester::apply("MULTILINESTRING()", 0);
- tester::apply("MULTILINESTRING((0 0,1 0))", 1);
- tester::apply("MULTILINESTRING((0 0,1 0,0 1),(0 0,1 0,0 1,0 0))", 2);
- tester::apply("MULTILINESTRING((),(),(0 0,1 0))", 3);
- }
- BOOST_AUTO_TEST_CASE( test_ring )
- {
- test_num_geometries<ring>::apply("POLYGON((0 0,1 0,0 1,0 0))", 1);
- }
- BOOST_AUTO_TEST_CASE( test_polygon )
- {
- typedef test_num_geometries<polygon> tester;
- tester::apply("POLYGON((0 0,10 0,0 10,0 0))", 1);
- tester::apply("POLYGON((0 0,10 0,0 10,0 0),(1 1,2 1,1 1))", 1);
- tester::apply("POLYGON((0 0,10 0,10 10,0 10,0 0),(1 1,2 1,2 2,1 2,1 1),(5 5,6 5,6 6,5 6,5 5))", 1);
- }
- BOOST_AUTO_TEST_CASE( test_multipolygon )
- {
- typedef test_num_geometries<multi_polygon> tester;
- tester::apply("MULTIPOLYGON(((0 0,10 0,10 10,0 10,0 0),(1 1,2 1,1 2,1 1)))", 1);
- tester::apply("MULTIPOLYGON(((0 0,10 0,10 10,0 10,0 0),(1 1,2 1,2 2,1 2,1 1),(5 5,6 5,6 6,5 6,5 5)))", 1);
- tester::apply("MULTIPOLYGON(((0 0,10 0,10 10,0 10,0 0),(1 1,2 1,1 2,1 1)),((100 100,110 100,110 110,100 100),(101 101,102 101,102 102,101 101)))", 2);
- tester::apply("MULTIPOLYGON(((0 0,10 0,10 10,0 10,0 0),(1 1,2 1,2 2,1 2,1 1),(5 5,6 5,6 6,5 6,5 5)),((100 100,110 100,110 110,100 100),(101 101,102 101,102 102,101 101),(105 105,106 105,106 106,105 106,105 105)))", 2);
- }
- BOOST_AUTO_TEST_CASE( test_variant )
- {
- typedef boost::variant
- <
- linestring, multi_linestring
- > variant_geometry_type;
- typedef test_num_geometries<variant_geometry_type> tester;
- linestring ls;
- bg::read_wkt("LINESTRING(0 0,1 1,2 2)", ls);
- multi_linestring mls;
- bg::read_wkt("MULTILINESTRING((0 0,1 1,2 2),(3 3,4 4),(5 5,6 6,7 7,8 8))",
- mls);
- variant_geometry_type variant_geometry;
- variant_geometry = ls;
- tester::apply(variant_geometry, 1);
- variant_geometry = mls;
- tester::apply(variant_geometry, 3);
- }
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