File: bidir_remove_edge.cpp

package info (click to toggle)
boost1.35 1.35.0-5
  • links: PTS
  • area: main
  • in suites: lenny
  • size: 203,856 kB
  • ctags: 337,867
  • sloc: cpp: 938,683; xml: 56,847; ansic: 41,589; python: 18,999; sh: 11,566; makefile: 664; perl: 494; yacc: 456; asm: 353; csh: 6
file content (46 lines) | stat: -rw-r--r-- 1,193 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
//  (C) Copyright Jeremy Siek 2004 
//  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 <iostream>
#include <boost/graph/adjacency_list.hpp>
#include <boost/cstdlib.hpp>
#include <boost/detail/lightweight_test.hpp>

struct edge_prop {
  int weight;
};

int
main(int, char*[])
{
  {
    typedef boost::adjacency_list<boost::vecS, boost::vecS, boost::bidirectionalS,
      boost::no_property, edge_prop> graph;
    typedef boost::graph_traits<graph>::edge_descriptor edge;

    graph g(2);

    edge_prop p = { 42 };
    edge e; bool b;
    tie(e, b) = add_edge(0, 1, p, g);
    BOOST_TEST( num_edges(g) == 1 );
    BOOST_TEST( g[e].weight == 42 );
    remove_edge(e, g);
    BOOST_TEST( num_edges(g) == 0 );
  }
  {
    typedef boost::adjacency_list<boost::vecS, boost::vecS, boost::bidirectionalS> graph;
    typedef boost::graph_traits<graph>::edge_descriptor edge;

    graph g(2);

    edge e; bool b;
    tie(e, b) = add_edge(0, 1, g);
    BOOST_TEST( num_edges(g) == 1 );
    remove_edge(e, g);
    BOOST_TEST( num_edges(g) == 0 );
  }
  return boost::report_errors();
}