12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061 |
- // Boost.Geometry (aka GGL, Generic Geometry Library)
- // Unit Test
- // Copyright (c) 2015 Barend Gehrels, Amsterdam, the Netherlands.
- // 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 <cstddef>
- #include <string>
- #include <boost/geometry/algorithms/is_convex.hpp>
- #include <geometry_test_common.hpp>
- #include <boost/geometry/algorithms/correct.hpp>
- #include <boost/geometry/io/wkt/wkt.hpp>
- #include <boost/geometry/strategies/strategies.hpp>
- #include <boost/geometry/geometries/point_xy.hpp>
- #include <boost/geometry/geometries/ring.hpp>
- template <typename Geometry>
- void test_one(std::string const& case_id, std::string const& wkt, bool expected)
- {
- Geometry geometry;
- bg::read_wkt(wkt, geometry);
- bg::correct(geometry);
- bool detected = bg::is_convex(geometry);
- BOOST_CHECK_MESSAGE(detected == expected,
- "Not as expected, case: " << case_id
- << " / expected: " << expected
- << " / detected: " << detected);
- }
- template <typename P>
- void test_all()
- {
- // rectangular, with concavity
- std::string const concave1 = "polygon((1 1, 1 4, 3 4, 3 3, 4 3, 4 4, 5 4, 5 1, 1 1))";
- std::string const triangle = "polygon((1 1, 1 4, 5 1, 1 1))";
- test_one<bg::model::ring<P> >("triangle", triangle, true);
- test_one<bg::model::ring<P> >("concave1", concave1, false);
- test_one<bg::model::ring<P, false, false> >("triangle", triangle, true);
- test_one<bg::model::ring<P, false, false> >("concave1", concave1, false);
- test_one<bg::model::box<P> >("box", "box(0 0,2 2)", true);
- }
- int test_main(int, char* [])
- {
- test_all<bg::model::d2::point_xy<int> >();
- test_all<bg::model::d2::point_xy<double> >();
- return 0;
- }
|