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diff --git a/src/boost/libs/graph/test/undirected_dfs.cpp b/src/boost/libs/graph/test/undirected_dfs.cpp
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+//=======================================================================
+// Copyright 2001 University of Notre Dame.
+// Author: 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 <boost/test/minimal.hpp>
+#include <stdlib.h>
+
+#include <boost/graph/undirected_dfs.hpp>
+#include <boost/graph/adjacency_list.hpp>
+#include <boost/graph/graph_archetypes.hpp>
+#include <boost/graph/graph_utility.hpp>
+#include <boost/graph/random.hpp>
+
+#include <boost/random/mersenne_twister.hpp>
+
+template <typename ColorMap, typename ParentMap,
+ typename DiscoverTimeMap, typename FinishTimeMap>
+class dfs_test_visitor {
+ typedef typename boost::property_traits<ColorMap>::value_type ColorValue;
+ typedef typename boost::color_traits<ColorValue> Color;
+public:
+ dfs_test_visitor(ColorMap color, ParentMap p, DiscoverTimeMap d,
+ FinishTimeMap f)
+ : m_color(color), m_parent(p),
+ m_discover_time(d), m_finish_time(f), m_time(0) { }
+
+ template <class Vertex, class Graph>
+ void initialize_vertex(Vertex u, Graph&) {
+ BOOST_CHECK( boost::get(m_color, u) == Color::white() );
+ }
+ template <class Vertex, class Graph>
+ void start_vertex(Vertex u, Graph&) {
+ BOOST_CHECK( boost::get(m_color, u) == Color::white() );
+ }
+ template <class Vertex, class Graph>
+ void discover_vertex(Vertex u, Graph&) {
+ using namespace boost;
+ BOOST_CHECK( get(m_color, u) == Color::gray() );
+ BOOST_CHECK( get(m_color, get(m_parent, u)) == Color::gray() );
+
+ put(m_discover_time, u, m_time++);
+ }
+ template <class Edge, class Graph>
+ void examine_edge(Edge e, Graph& g) {
+ using namespace boost;
+ BOOST_CHECK( get(m_color, source(e, g)) == Color::gray() );
+ }
+ template <class Edge, class Graph>
+ void tree_edge(Edge e, Graph& g) {
+ using namespace boost;
+ BOOST_CHECK( get(m_color, target(e, g)) == Color::white() );
+
+ put(m_parent, target(e, g), source(e, g));
+ }
+ template <class Edge, class Graph>
+ void back_edge(Edge e, Graph& g) {
+ using namespace boost;
+ BOOST_CHECK( get(m_color, target(e, g)) == Color::gray() );
+ }
+ template <class Edge, class Graph>
+ void forward_or_cross_edge(Edge e, Graph& g) {
+ using namespace boost;
+ BOOST_CHECK( get(m_color, target(e, g)) == Color::black() );
+ }
+ template <class Edge, class Graph>
+ void finish_edge(Edge e, Graph& g) {
+ using namespace boost;
+ BOOST_CHECK(
+ (get(m_color, target(e, g)) == Color::gray())
+ || (get(m_color, target(e, g)) == Color::black())
+ );
+ }
+ template <class Vertex, class Graph>
+ void finish_vertex(Vertex u, Graph&) {
+ using namespace boost;
+ BOOST_CHECK( get(m_color, u) == Color::black() );
+
+ put(m_finish_time, u, m_time++);
+ }
+private:
+ ColorMap m_color;
+ ParentMap m_parent;
+ DiscoverTimeMap m_discover_time;
+ FinishTimeMap m_finish_time;
+ typename boost::property_traits<DiscoverTimeMap>::value_type m_time;
+};
+
+template <typename Graph>
+struct dfs_test
+{
+ typedef boost::graph_traits<Graph> Traits;
+ typedef typename Traits::vertices_size_type
+ vertices_size_type;
+
+ static void go(vertices_size_type max_V) {
+ using namespace boost;
+ typedef typename Traits::vertex_descriptor vertex_descriptor;
+ typedef typename boost::property_map<Graph,
+ boost::vertex_color_t>::type ColorMap;
+ typedef typename boost::property_traits<ColorMap>::value_type ColorValue;
+ typedef typename boost::color_traits<ColorValue> Color;
+ typedef typename boost::property_map<Graph,
+ boost::edge_color_t>::type EColorMap;
+ typedef typename boost::property_traits<EColorMap>::value_type EColorValue;
+ typedef typename boost::color_traits<EColorValue> EColor;
+
+ vertices_size_type i, k;
+ typename Traits::edges_size_type j;
+ typename Traits::vertex_iterator vi, vi_end, ui, ui_end;
+ typename Traits::edge_iterator ei, ei_end;
+
+ boost::mt19937 gen;
+
+ for (i = 0; i < max_V; ++i)
+ for (j = 0; j < i*i; ++j) {
+ Graph g;
+ generate_random_graph(g, i, j, gen);
+
+ ColorMap color = get(boost::vertex_color, g);
+ EColorMap e_color = get(boost::edge_color, g);
+ std::vector<vertex_descriptor> parent(num_vertices(g));
+ for (k = 0; k < num_vertices(g); ++k)
+ parent[k] = k;
+ std::vector<int> discover_time(num_vertices(g)),
+ finish_time(num_vertices(g));
+
+ // Get vertex index map
+ typedef typename boost::property_map<Graph, boost::vertex_index_t>::const_type idx_type;
+ idx_type idx = get(boost::vertex_index, g);
+
+ typedef
+ boost::iterator_property_map<typename std::vector<vertex_descriptor>::iterator, idx_type>
+ parent_pm_type;
+ parent_pm_type parent_pm(parent.begin(), idx);
+ typedef
+ boost::iterator_property_map<std::vector<int>::iterator, idx_type>
+ time_pm_type;
+ time_pm_type discover_time_pm(discover_time.begin(), idx);
+ time_pm_type finish_time_pm(finish_time.begin(), idx);
+
+ dfs_test_visitor<ColorMap, parent_pm_type,
+ time_pm_type, time_pm_type>
+ vis(color, parent_pm,
+ discover_time_pm, finish_time_pm);
+
+ boost::undirected_dfs(g, visitor(vis).color_map(color)
+ .edge_color_map(e_color));
+
+ // all vertices should be black
+ for (boost::tie(vi, vi_end) = vertices(g); vi != vi_end; ++vi)
+ BOOST_CHECK(get(color, *vi) == Color::black());
+
+ // all edges should be black
+ for (boost::tie(ei, ei_end) = edges(g); ei != ei_end; ++ei)
+ BOOST_CHECK(get(e_color, *ei) == EColor::black());
+
+ // check parenthesis structure of discover/finish times
+ // See CLR p.480
+ for (boost::tie(ui, ui_end) = vertices(g); ui != ui_end; ++ui)
+ for (boost::tie(vi, vi_end) = vertices(g); vi != vi_end; ++vi) {
+ vertex_descriptor u = *ui, v = *vi;
+ if (u != v) {
+ BOOST_CHECK( finish_time[u] < discover_time[v]
+ || finish_time[v] < discover_time[u]
+ || (discover_time[v] < discover_time[u]
+ && finish_time[u] < finish_time[v]
+ && boost::is_descendant(u, v, parent_pm))
+ || (discover_time[u] < discover_time[v]
+ && finish_time[v] < finish_time[u]
+ && boost::is_descendant(v, u, parent_pm))
+ );
+ }
+ }
+ }
+
+ }
+};
+
+
+// usage: undirected_dfs.exe [max-vertices=15]
+
+int test_main(int argc, char* argv[])
+{
+ int max_V = 7;
+ if (argc > 1)
+ max_V = atoi(argv[1]);
+
+ // Test undirected graphs.
+ dfs_test< boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS,
+ boost::property<boost::vertex_color_t, boost::default_color_type>,
+ boost::property<boost::edge_color_t, boost::default_color_type> >
+ >::go(max_V);
+
+ return 0;
+}
+