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//=======================================================================
// Copyright 1997, 1998, 1999, 2000 University of Notre Dame.
// Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek
//
// Distributed under 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 <boost/config.hpp>
#include <iostream>
#include <vector>
#include <utility>
#include <algorithm>
#include <boost/graph/adjacency_list.hpp>
using namespace boost;
using namespace std;
typedef property< vertex_color_t, default_color_type,
property< vertex_distance_t, int,
property< vertex_degree_t, int,
property< vertex_in_degree_t, int,
property< vertex_out_degree_t, int > > > > >
VertexProperty;
typedef property< edge_weight_t, int > EdgeProperty;
typedef adjacency_list< vecS, vecS, bidirectionalS, VertexProperty,
EdgeProperty >
Graph;
template < class Graph > void print(Graph& g)
{
typename Graph::vertex_iterator i, end;
typename Graph::out_edge_iterator ei, edge_end;
for (boost::tie(i, end) = vertices(g); i != end; ++i)
{
cout << *i << " --> ";
for (boost::tie(ei, edge_end) = out_edges(*i, g); ei != edge_end; ++ei)
cout << target(*ei, g) << " ";
cout << endl;
}
}
std::size_t myrand(std::size_t N)
{
std::size_t ret = rand() % N;
// cout << "N = " << N << " rand = " << ret << endl;
return ret;
}
template < class Graph > bool check_edge(Graph& g, std::size_t a, std::size_t b)
{
typename Graph::adjacency_iterator vi, viend, found;
boost::tie(vi, viend) = adjacent_vertices(vertex(a, g), g);
found = find(vi, viend, vertex(b, g));
if (found == viend)
return false;
return true;
}
int main(int, char*[])
{
std::size_t N = 5;
Graph g(N);
int i;
bool is_failed = false;
for (i = 0; i < 6; ++i)
{
std::size_t a = myrand(N), b = myrand(N);
while (a == b)
b = myrand(N);
cout << "edge edge (" << a << "," << b << ")" << endl;
// add edges
add_edge(a, b, g);
is_failed = is_failed || (!check_edge(g, a, b));
}
if (is_failed)
cerr << " Failed." << endl;
else
cerr << " Passed." << endl;
print(g);
// remove_edge
for (i = 0; i < 2; ++i)
{
std::size_t a = myrand(N), b = myrand(N);
while (a == b)
b = myrand(N);
cout << "remove edge (" << a << "," << b << ")" << endl;
remove_edge(a, b, g);
is_failed = is_failed || check_edge(g, a, b);
}
if (is_failed)
cerr << " Failed." << endl;
else
cerr << " Passed." << endl;
print(g);
// add_vertex
is_failed = false;
std::size_t old_N = N;
std::size_t vid = add_vertex(g);
std::size_t vidp1 = add_vertex(g);
N = num_vertices(g);
if ((N - 2) != old_N)
cerr << " Failed." << endl;
else
cerr << " Passed." << endl;
is_failed = false;
for (i = 0; i < 2; ++i)
{
std::size_t a = myrand(N), b = myrand(N);
while (a == vid)
a = myrand(N);
while (b == vidp1)
b = myrand(N);
cout << "add edge (" << vid << "," << a << ")" << endl;
cout << "add edge (" << vid << "," << vidp1 << ")" << endl;
add_edge(vid, a, g);
add_edge(b, vidp1, g);
is_failed = is_failed || !check_edge(g, vid, a);
is_failed = is_failed || !check_edge(g, b, vidp1);
}
if (is_failed)
cerr << " Failed." << endl;
else
cerr << " Passed." << endl;
print(g);
// clear_vertex
std::size_t c = myrand(N);
is_failed = false;
clear_vertex(c, g);
if (out_degree(c, g) != 0)
is_failed = true;
cout << "Removing vertex " << c << endl;
remove_vertex(c, g);
old_N = N;
N = num_vertices(g);
if ((N + 1) != old_N)
is_failed = true;
if (is_failed)
cerr << " Failed." << endl;
else
cerr << " Passed." << endl;
print(g);
return 0;
}
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