diff options
Diffstat (limited to 'src/Skeleton_blocker/test/test_skeleton_blocker_geometric_complex.cpp')
| -rw-r--r-- | src/Skeleton_blocker/test/test_skeleton_blocker_geometric_complex.cpp | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/Skeleton_blocker/test/test_skeleton_blocker_geometric_complex.cpp b/src/Skeleton_blocker/test/test_skeleton_blocker_geometric_complex.cpp new file mode 100644 index 00000000..d035b2c3 --- /dev/null +++ b/src/Skeleton_blocker/test/test_skeleton_blocker_geometric_complex.cpp @@ -0,0 +1,125 @@ +/* This file is part of the Gudhi Library. The Gudhi library + * (Geometric Understanding in Higher Dimensions) is a generic C++ + * library for computational topology. + * + * Author(s): David Salinas + * + * Copyright (C) 2014 INRIA + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string> +#include <fstream> +#include <sstream> + +#define BOOST_TEST_DYN_LINK +#define BOOST_TEST_MODULE "skeleton_blocker_geometric_complex" +#include <boost/test/unit_test.hpp> +#include <boost/mpl/list.hpp> + +#include <gudhi/Skeleton_blocker.h> + +struct Geometry_trait { + typedef std::vector<double> Point; +}; + +typedef Geometry_trait::Point Point; +typedef Gudhi::skeleton_blocker::Skeleton_blocker_simple_geometric_traits<Geometry_trait> Complex_geometric_traits; +typedef Gudhi::skeleton_blocker::Skeleton_blocker_geometric_complex< Complex_geometric_traits > Complex; +typedef Complex::Vertex_handle Vertex_handle; +typedef Complex_geometric_traits::Root_vertex_handle Root_vertex_handle; + +BOOST_AUTO_TEST_CASE(test_skeleton_blocker_off_reader_writer) { + Complex complex; + Gudhi::skeleton_blocker::Skeleton_blocker_off_reader<Complex> off_reader("test2.off", complex); + BOOST_CHECK(off_reader.is_valid()); + + std::cout << "complex has " << + complex.num_vertices() << " vertices, " << + complex.num_blockers() << " blockers, " << + complex.num_edges() << " edges and " << + complex.num_triangles() << " triangles."; + + BOOST_CHECK(complex.num_vertices() == 7); + BOOST_CHECK(complex.num_edges() == 12); + BOOST_CHECK(complex.num_triangles() == 6); + + Gudhi::skeleton_blocker::Skeleton_blocker_off_writer<Complex> off_writer("tmp.off", complex); + Complex same; + Gudhi::skeleton_blocker::Skeleton_blocker_off_reader<Complex> off_reader2("tmp.off", same); + + std::cout << "\ncomplex:" << complex.to_string() << std::endl; + std::cout << "\nsame:" << same.to_string() << std::endl; + + BOOST_CHECK(complex == same); +} + +BOOST_AUTO_TEST_CASE(test_skeleton_blocker_abstract_link) { + Complex complex; + Gudhi::skeleton_blocker::Skeleton_blocker_off_reader<Complex> off_reader("test2.off", complex); + BOOST_CHECK(off_reader.is_valid()); + + std::cout << "complex has " << + complex.num_vertices() << " vertices, " << + complex.num_blockers() << " blockers, " << + complex.num_edges() << " edges and " << + complex.num_triangles() << " triangles."; + + BOOST_CHECK(complex.num_vertices() == 7); + BOOST_CHECK(complex.num_edges() == 12); + BOOST_CHECK(complex.num_triangles() == 6); + + auto link_0 = complex.abstract_link(Vertex_handle(0)); + + std::cout << "\n link(0):" << link_0.to_string() << std::endl; + + BOOST_CHECK(link_0.num_vertices() == 2); + BOOST_CHECK(link_0.num_edges() == 1); + BOOST_CHECK(link_0.num_blockers() == 0); + + // Check the 2 link vertices + auto vertex_handle = link_0.vertex_range().begin(); + BOOST_CHECK(link_0[*vertex_handle].get_id() == Root_vertex_handle(1)); + vertex_handle++; + BOOST_CHECK(link_0[*(vertex_handle)].get_id() == Root_vertex_handle(4)); + + // Check the lonely link edge + auto edge_handle = link_0.edge_range().begin(); + BOOST_CHECK(link_0[*edge_handle].first() == Root_vertex_handle(1)); + BOOST_CHECK(link_0[*(edge_handle)].second() == Root_vertex_handle(4)); + + auto link_geometric_0 = complex.link(Vertex_handle(0)); + std::cout << "\n link_geometric(0):" << link_geometric_0.to_string() << std::endl; + + BOOST_CHECK(link_0 == link_geometric_0); + + auto print_point = [&](Vertex_handle v) { + for (auto x : link_geometric_0.point(v)) std::cout << x << " "; + std::cout << std::endl; + }; + + std::for_each(link_geometric_0.vertex_range().begin(), link_geometric_0.vertex_range().end(), print_point); + + // Check the 2 link vertices + vertex_handle = link_geometric_0.vertex_range().begin(); + std::vector<double> point_1 = {0,2,0}; + std::vector<double> point_4 = {-1,1,0}; + BOOST_CHECK(link_geometric_0.point(*vertex_handle) == point_1); + vertex_handle++; + BOOST_CHECK(link_geometric_0.point(*vertex_handle) == point_4); + +} |