graph/test/adj_list_loops.cpp

115 lines
2.9 KiB
C++

// (C) Copyright Andrew Sutton 2009
//
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0 (See accompanying file
// LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
#include <iostream>
#include <boost/assert.hpp>
#include <boost/graph/adjacency_list.hpp>
using namespace boost;
// TODO: Integrate this into a larger adj_list test suite.
template <typename Graph>
void test_graph_nonloop()
{
typedef typename graph_traits<Graph>::vertex_descriptor Vertex;
// Build a graph with 1 edge and turn it into a loop.
Graph g(5);
Vertex u = *vertices(g).first;
Vertex v = *next(vertices(g).first, 2);
add_edge(u, v, g);
BOOST_ASSERT(num_vertices(g) == 5);
BOOST_ASSERT(num_edges(g) == 1);
remove_edge(u, v, g);
BOOST_ASSERT(num_edges(g) == 0);
}
template <typename Graph>
void test_multigraph_nonloop()
{
typedef typename graph_traits<Graph>::vertex_descriptor Vertex;
// Build a graph with 1 edge and turn it into a loop.
Graph g(5);
Vertex u = *vertices(g).first;
Vertex v = *next(vertices(g).first, 2);
add_edge(u, v, g);
add_edge(u, v, g);
BOOST_ASSERT(num_vertices(g) == 5);
BOOST_ASSERT(num_edges(g) == 2);
remove_edge(u, v, g);
BOOST_ASSERT(num_edges(g) == 0);
}
template <typename Graph>
void test_graph_loop()
{
typedef typename graph_traits<Graph>::vertex_descriptor Vertex;
Graph g(5);
Vertex v = *next(vertices(g).first, 2);
add_edge(v, v, g);
BOOST_ASSERT(num_vertices(g) == 5);
BOOST_ASSERT(num_edges(g) == 1);
remove_edge(v, v, g);
BOOST_ASSERT(num_edges(g) == 0);
}
template <typename Graph>
void test_multigraph_loop()
{
typedef typename graph_traits<Graph>::vertex_descriptor Vertex;
Graph g(5);
Vertex v = *next(vertices(g).first, 2);
add_edge(v, v, g);
add_edge(v, v, g);
BOOST_ASSERT(num_vertices(g) == 5);
BOOST_ASSERT(num_edges(g) == 2);
remove_edge(v, v, g);
BOOST_ASSERT(num_edges(g) == 0);
}
template <typename Kind>
void test()
{
typedef no_property na;
typedef adjacency_list<vecS, vecS, Kind, na, na, na, listS> VVL;
typedef adjacency_list<listS, vecS, Kind, na, na, na, listS> LVL;
typedef adjacency_list<setS, vecS, Kind, na, na, na, listS> SVL;
typedef adjacency_list<multisetS, vecS, Kind, na, na, na, listS> MVL;
test_graph_nonloop<VVL>();
test_graph_nonloop<LVL>();
test_graph_nonloop<SVL>();
test_graph_nonloop<MVL>();
test_multigraph_nonloop<VVL>();
test_multigraph_nonloop<LVL>();
test_multigraph_nonloop<MVL>();
test_graph_loop<VVL>();
test_graph_loop<LVL>();
test_graph_loop<SVL>();
test_graph_loop<MVL>();
test_multigraph_loop<VVL>();
test_multigraph_loop<LVL>();
test_multigraph_loop<MVL>();
}
int main()
{
test<undirectedS>();
test<directedS>();
test<bidirectionalS>();
return 0;
}