boost_1_45_0/libs/graph/test/graphml_test.cpp

// Copyright (C) 2006  Tiago de Paula Peixoto <tiago@forked.de>
//
// Boost Software License - Version 1.0 - August 17th, 2003
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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//  Authors: Tiago de Paula Peixoto

#include <boost/graph/adjacency_list.hpp>
#include <boost/graph/graphml.hpp>
#include <fstream>
#include <string>

using namespace std;
using namespace boost;

int main(int argc, char** argv)
{
    typedef adjacency_list<vecS,vecS,directedS, 
                           property<vertex_color_t,int,
                             property<vertex_name_t,string> >,
                           property<edge_weight_t,double> > graph_t;
    graph_t g;
    dynamic_properties dp;
    dp.property("foo",get(vertex_color_t(),g));
    dp.property("weight",get(edge_weight_t(),g));
    dp.property("name",get(vertex_name_t(),g));

    ifstream ifile(argv[1]);
    read_graphml(ifile, g, dp);
    ifile.close();

    assert(num_vertices(g) == 9);
    assert(num_edges(g) == 9);
    assert(get(vertex_color_t(), g, vertex(2,g)) == 100);
    assert(get(vertex_color_t(), g, vertex(3,g)) == 42);
    assert(get(edge_weight_t(), g, edge(vertex(0,g),vertex(1,g),g).first) == 0.0);
    assert(get(edge_weight_t(), g, edge(vertex(1,g),vertex(2,g),g).first) == 0.8);

    ofstream ofile("graphml_test_out.xml");
    write_graphml(ofile, g, dp);
    ofile.close();

    graph_t g2;
    dynamic_properties dp2;
    dp2.property("foo",get(vertex_color_t(),g2));
    dp2.property("weight",get(edge_weight_t(),g2));
    dp2.property("name",get(vertex_name_t(),g2));
    ifile.open("graphml_test_out.xml");
    read_graphml(ifile, g2, dp2);
    ifile.close();

    assert(num_vertices(g) == num_vertices(g2));
    assert(num_edges(g) == num_edges(g2));

    graph_traits<graph_t>::vertex_iterator v, v_end;
    for (boost::tie(v,v_end) = vertices(g); v != v_end; ++v)
      assert(get(vertex_color_t(), g, *v) == get(vertex_color_t(), g2, *v));

    graph_traits<graph_t>::edge_iterator e, e_end;
    for (boost::tie(e,e_end) = edges(g); e != e_end; ++e)
      assert(get(edge_weight_t(), g, *e) == get(edge_weight_t(), g2, *e));

    return 0;
}