graph/test/adj_list_loops.cpp

106 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;
}