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406 lines
15 KiB
C++
406 lines
15 KiB
C++
//=======================================================================
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// Copyright 2002 Indiana University.
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// Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//=======================================================================
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#ifndef BOOST_GRAPH_TEST_HPP
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#define BOOST_GRAPH_TEST_HPP
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#include <vector>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/graph/filtered_graph.hpp>
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#include <boost/graph/iteration_macros.hpp>
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#include <boost/graph/isomorphism.hpp>
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#include <boost/graph/copy.hpp>
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#include <boost/graph/graph_utility.hpp> // for connects
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#include <boost/range.hpp>
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#include <boost/range/algorithm/find_if.hpp>
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// UNDER CONSTRUCTION
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namespace boost
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{
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template < typename Graph > struct graph_test
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{
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typedef typename graph_traits< Graph >::vertex_descriptor vertex_t;
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typedef typename graph_traits< Graph >::edge_descriptor edge_t;
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typedef typename graph_traits< Graph >::vertices_size_type v_size_t;
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typedef typename graph_traits< Graph >::degree_size_type deg_size_t;
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typedef typename graph_traits< Graph >::edges_size_type e_size_t;
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typedef typename graph_traits< Graph >::out_edge_iterator out_edge_iter;
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typedef typename property_map< Graph, vertex_index_t >::type index_map_t;
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typedef iterator_property_map< typename std::vector< vertex_t >::iterator,
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index_map_t, vertex_t, vertex_t& >
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IsoMap;
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struct ignore_vertex
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{
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ignore_vertex() {}
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ignore_vertex(vertex_t v) : v(v) {}
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bool operator()(vertex_t x) const { return x != v; }
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vertex_t v;
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};
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struct ignore_edge
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{
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ignore_edge() {}
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ignore_edge(edge_t e) : e(e) {}
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bool operator()(edge_t x) const { return x != e; }
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edge_t e;
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};
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struct ignore_edges
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{
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ignore_edges(vertex_t s, vertex_t t, const Graph& g) : s(s), t(t), g(g)
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{
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}
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bool operator()(edge_t x) const
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{
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return !(source(x, g) == s && target(x, g) == t);
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}
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vertex_t s;
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vertex_t t;
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const Graph& g;
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};
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//=========================================================================
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// Traversal Operations
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void test_incidence_graph(const std::vector< vertex_t >& vertex_set,
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const std::vector< std::pair< vertex_t, vertex_t > >& edge_set,
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const Graph& g)
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{
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typedef typename std::vector< vertex_t >::const_iterator vertex_iter;
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typedef typename std::vector<
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std::pair< vertex_t, vertex_t > >::const_iterator edge_iter;
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typedef typename graph_traits< Graph >::out_edge_iterator out_edge_iter;
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for (vertex_iter ui = vertex_set.begin(); ui != vertex_set.end(); ++ui)
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{
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vertex_t u = *ui;
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std::vector< vertex_t > adj;
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for (edge_iter e = edge_set.begin(); e != edge_set.end(); ++e)
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if (e->first == u)
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adj.push_back(e->second);
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std::pair< out_edge_iter, out_edge_iter > p = out_edges(u, g);
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BOOST_TEST(out_degree(u, g) == adj.size());
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BOOST_TEST(deg_size_t(std::distance(p.first, p.second))
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== out_degree(u, g));
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for (; p.first != p.second; ++p.first)
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{
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edge_t e = *p.first;
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BOOST_TEST(source(e, g) == u);
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BOOST_TEST(container_contains(adj, target(e, g)) == true);
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}
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}
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}
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void test_bidirectional_graph(const std::vector< vertex_t >& vertex_set,
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const std::vector< std::pair< vertex_t, vertex_t > >& edge_set,
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const Graph& g)
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{
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typedef typename std::vector< vertex_t >::const_iterator vertex_iter;
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typedef typename std::vector<
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std::pair< vertex_t, vertex_t > >::const_iterator edge_iter;
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typedef typename graph_traits< Graph >::in_edge_iterator in_edge_iter;
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for (vertex_iter vi = vertex_set.begin(); vi != vertex_set.end(); ++vi)
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{
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vertex_t v = *vi;
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std::vector< vertex_t > inv_adj;
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for (edge_iter e = edge_set.begin(); e != edge_set.end(); ++e)
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if (e->second == v)
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inv_adj.push_back(e->first);
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std::pair< in_edge_iter, in_edge_iter > p = in_edges(v, g);
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BOOST_TEST(in_degree(v, g) == inv_adj.size());
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BOOST_TEST(deg_size_t(std::distance(p.first, p.second))
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== in_degree(v, g));
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for (; p.first != p.second; ++p.first)
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{
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edge_t e = *p.first;
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BOOST_TEST(target(e, g) == v);
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BOOST_TEST(container_contains(inv_adj, source(e, g)) == true);
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}
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}
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}
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void test_adjacency_graph(const std::vector< vertex_t >& vertex_set,
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const std::vector< std::pair< vertex_t, vertex_t > >& edge_set,
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const Graph& g)
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{
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typedef typename std::vector< vertex_t >::const_iterator vertex_iter;
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typedef typename std::vector<
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std::pair< vertex_t, vertex_t > >::const_iterator edge_iter;
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typedef typename graph_traits< Graph >::adjacency_iterator adj_iter;
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for (vertex_iter ui = vertex_set.begin(); ui != vertex_set.end(); ++ui)
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{
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vertex_t u = *ui;
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std::vector< vertex_t > adj;
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for (edge_iter e = edge_set.begin(); e != edge_set.end(); ++e)
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if (e->first == u)
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adj.push_back(e->second);
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std::pair< adj_iter, adj_iter > p = adjacent_vertices(u, g);
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BOOST_TEST(
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deg_size_t(std::distance(p.first, p.second)) == adj.size());
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for (; p.first != p.second; ++p.first)
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{
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vertex_t v = *p.first;
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BOOST_TEST(container_contains(adj, v) == true);
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}
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}
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}
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void test_vertex_list_graph(
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const std::vector< vertex_t >& vertex_set, const Graph& g)
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{
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typedef typename graph_traits< Graph >::vertex_iterator v_iter;
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std::pair< v_iter, v_iter > p = vertices(g);
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BOOST_TEST(num_vertices(g) == vertex_set.size());
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v_size_t n = (size_t)std::distance(p.first, p.second);
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BOOST_TEST(n == num_vertices(g));
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for (; p.first != p.second; ++p.first)
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{
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vertex_t v = *p.first;
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BOOST_TEST(container_contains(vertex_set, v) == true);
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}
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}
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void test_edge_list_graph(const std::vector< vertex_t >& vertex_set,
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const std::vector< std::pair< vertex_t, vertex_t > >& edge_set,
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const Graph& g)
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{
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typedef typename graph_traits< Graph >::edge_iterator e_iter;
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std::pair< e_iter, e_iter > p = edges(g);
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BOOST_TEST(num_edges(g) == edge_set.size());
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e_size_t m = std::distance(p.first, p.second);
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BOOST_TEST(m == num_edges(g));
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for (; p.first != p.second; ++p.first)
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{
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edge_t e = *p.first;
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BOOST_TEST(
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find_if(edge_set, connects(source(e, g), target(e, g), g))
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!= boost::end(edge_set));
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BOOST_TEST(container_contains(vertex_set, source(e, g)) == true);
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BOOST_TEST(container_contains(vertex_set, target(e, g)) == true);
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}
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}
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void test_adjacency_matrix(const std::vector< vertex_t >& vertex_set,
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const std::vector< std::pair< vertex_t, vertex_t > >& edge_set,
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const Graph& g)
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{
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std::pair< edge_t, bool > p;
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for (typename std::vector<
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std::pair< vertex_t, vertex_t > >::const_iterator i
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= edge_set.begin();
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i != edge_set.end(); ++i)
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{
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p = edge(i->first, i->second, g);
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BOOST_TEST(p.second == true);
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BOOST_TEST(source(p.first, g) == i->first);
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BOOST_TEST(target(p.first, g) == i->second);
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}
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typename std::vector< vertex_t >::const_iterator j, k;
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for (j = vertex_set.begin(); j != vertex_set.end(); ++j)
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for (k = vertex_set.begin(); k != vertex_set.end(); ++k)
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{
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p = edge(*j, *k, g);
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if (p.second == true)
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BOOST_TEST(
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find_if(edge_set,
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connects(source(p.first, g), target(p.first, g), g))
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!= boost::end(edge_set));
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}
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}
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//=========================================================================
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// Mutating Operations
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void test_add_vertex(Graph& g)
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{
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Graph cpy;
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std::vector< vertex_t > iso_vec(num_vertices(g));
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IsoMap iso_map(iso_vec.begin(), get(vertex_index, g));
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copy_graph(g, cpy, orig_to_copy(iso_map));
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BOOST_TEST((verify_isomorphism(g, cpy, iso_map)));
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vertex_t v = add_vertex(g);
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BOOST_TEST(num_vertices(g) == num_vertices(cpy) + 1);
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BOOST_TEST(out_degree(v, g) == 0);
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// Make sure the rest of the graph stayed the same
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BOOST_TEST((verify_isomorphism(
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make_filtered_graph(g, keep_all(), ignore_vertex(v)), cpy,
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iso_map)));
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}
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void test_add_edge(vertex_t u, vertex_t v, Graph& g)
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{
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Graph cpy;
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std::vector< vertex_t > iso_vec(num_vertices(g));
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IsoMap iso_map(iso_vec.begin(), get(vertex_index, g));
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copy_graph(g, cpy, orig_to_copy(iso_map));
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bool parallel_edge_exists
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= container_contains(adjacent_vertices(u, g), v);
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std::pair< edge_t, bool > p = add_edge(u, v, g);
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edge_t e = p.first;
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bool added = p.second;
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if (is_undirected(g) && u == v) // self edge
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BOOST_TEST(added == false);
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else if (parallel_edge_exists)
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BOOST_TEST(allows_parallel_edges(g) && added == true
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|| !allows_parallel_edges(g) && added == false);
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else
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BOOST_TEST(added == true);
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if (p.second == true)
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{ // edge added
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BOOST_TEST(num_edges(g) == num_edges(cpy) + 1);
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BOOST_TEST(container_contains(out_edges(u, g), e) == true);
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BOOST_TEST((verify_isomorphism(
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make_filtered_graph(g, ignore_edge(e)), cpy, iso_map)));
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}
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else
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{ // edge not added
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if (!(is_undirected(g) && u == v))
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{
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// e should be a parallel edge
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BOOST_TEST(source(e, g) == u);
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BOOST_TEST(target(e, g) == v);
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}
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// The graph should not be changed.
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BOOST_TEST((verify_isomorphism(g, cpy, iso_map)));
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}
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} // test_add_edge()
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void test_remove_edge(vertex_t u, vertex_t v, Graph& g)
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{
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Graph cpy;
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std::vector< vertex_t > iso_vec(num_vertices(g));
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IsoMap iso_map(iso_vec.begin(), get(vertex_index, g));
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copy_graph(g, cpy, orig_to_copy(iso_map));
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deg_size_t occurances = count(adjacent_vertices(u, g), v);
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remove_edge(u, v, g);
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BOOST_TEST(num_edges(g) + occurances == num_edges(cpy));
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BOOST_TEST((verify_isomorphism(
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g, make_filtered_graph(cpy, ignore_edges(u, v, cpy)), iso_map)));
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}
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void test_remove_edge(edge_t e, Graph& g)
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{
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Graph cpy;
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std::vector< vertex_t > iso_vec(num_vertices(g));
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IsoMap iso_map(iso_vec.begin(), get(vertex_index, g));
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copy_graph(g, cpy, orig_to_copy(iso_map));
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vertex_t u = source(e, g), v = target(e, g);
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deg_size_t occurances = count(adjacent_vertices(u, g), v);
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remove_edge(e, g);
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BOOST_TEST(num_edges(g) + 1 == num_edges(cpy));
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BOOST_TEST(count(adjacent_vertices(u, g), v) + 1 == occurances);
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BOOST_TEST((verify_isomorphism(
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g, make_filtered_graph(cpy, ignore_edge(e)), iso_map)));
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}
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void test_clear_vertex(vertex_t v, Graph& g)
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{
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Graph cpy;
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std::vector< vertex_t > iso_vec(num_vertices(g));
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IsoMap iso_map(iso_vec.begin(), get(vertex_index, g));
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copy_graph(g, cpy, orig_to_copy(iso_map));
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clear_vertex(v, g);
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BOOST_TEST(out_degree(v, g) == 0);
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BOOST_TEST(num_vertices(g) == num_vertices(cpy));
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BOOST_TEST((verify_isomorphism(g,
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make_filtered_graph(cpy, keep_all(), ignore_vertex(v)), iso_map)));
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}
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//=========================================================================
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// Property Map
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template < typename PropVal, typename PropertyTag >
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void test_readable_vertex_property_graph(
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const std::vector< PropVal >& vertex_prop, PropertyTag tag,
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const Graph& g)
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{
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typedef
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typename property_map< Graph, PropertyTag >::const_type const_Map;
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const_Map pmap = get(tag, g);
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typename std::vector< PropVal >::const_iterator i = vertex_prop.begin();
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for (typename boost::graph_traits< Graph >::vertex_iterator bgl_first_9
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= vertices(g).first,
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bgl_last_9 = vertices(g).second;
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bgl_first_9 != bgl_last_9; bgl_first_9 = bgl_last_9)
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for (typename boost::graph_traits< Graph >::vertex_descriptor v;
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bgl_first_9 != bgl_last_9 ? (v = *bgl_first_9, true) : false;
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++bgl_first_9)
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{
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// BGL_FORALL_VERTICES_T(v, g, Graph) {
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typename property_traits< const_Map >::value_type pval1
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= get(pmap, v),
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pval2 = get(tag, g, v);
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BOOST_TEST(pval1 == pval2);
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BOOST_TEST(pval1 == *i++);
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}
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}
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template < typename PropVal, typename PropertyTag >
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void test_vertex_property_graph(
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const std::vector< PropVal >& vertex_prop, PropertyTag tag, Graph& g)
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{
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typedef typename property_map< Graph, PropertyTag >::type PMap;
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PMap pmap = get(tag, g);
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typename std::vector< PropVal >::const_iterator i = vertex_prop.begin();
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for (typename boost::graph_traits< Graph >::vertex_iterator bgl_first_9
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= vertices(g).first,
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bgl_last_9 = vertices(g).second;
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bgl_first_9 != bgl_last_9; bgl_first_9 = bgl_last_9)
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for (typename boost::graph_traits< Graph >::vertex_descriptor v;
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bgl_first_9 != bgl_last_9 ? (v = *bgl_first_9, true) : false;
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++bgl_first_9)
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// BGL_FORALL_VERTICES_T(v, g, Graph)
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put(pmap, v, *i++);
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test_readable_vertex_property_graph(vertex_prop, tag, g);
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BGL_FORALL_VERTICES_T(v, g, Graph)
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put(pmap, v, vertex_prop[0]);
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typename std::vector< PropVal >::const_iterator j = vertex_prop.begin();
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BGL_FORALL_VERTICES_T(v, g, Graph)
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put(tag, g, v, *j++);
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test_readable_vertex_property_graph(vertex_prop, tag, g);
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}
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};
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} // namespace boost
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#include <boost/graph/iteration_macros_undef.hpp>
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#endif // BOOST_GRAPH_TEST_HPP
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