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- #define BOOST_TEST_MODULE find_flow_cost_bundled_properties_and_named_params_test
- #include <boost/test/unit_test.hpp>
- #include <boost/graph/successive_shortest_path_nonnegative_weights.hpp>
- #include <boost/graph/find_flow_cost.hpp>
- #include "min_cost_max_flow_utils.hpp"
- typedef boost::adjacency_list_traits<boost::vecS,boost::vecS,boost::directedS> traits;
- struct edge_t {
- double capacity;
- float cost;
- float residual_capacity;
- traits::edge_descriptor reversed_edge;
- };
- struct node_t {
- traits::edge_descriptor predecessor;
- int dist;
- int dist_prev;
- boost::vertex_index_t id;
- };
- typedef boost::adjacency_list<boost::listS, boost::vecS, boost::directedS, node_t, edge_t > Graph;
- // Unit test written in order to fails (at compile time) if the find_flow_cost()
- // is not properly handling bundled properties
- BOOST_AUTO_TEST_CASE(using_bundled_properties_with_find_max_flow_test)
- {
- Graph g;
- traits::vertex_descriptor s,t;
- boost::property_map<Graph,double edge_t::* >::type capacity = get(&edge_t::capacity, g);
- boost::property_map<Graph,float edge_t::* >::type cost = get(&edge_t::cost, g);
- boost::property_map<Graph,float edge_t::* >::type residual_capacity = get(&edge_t::residual_capacity, g);
- boost::property_map<Graph,traits::edge_descriptor edge_t::* >::type rev = get(&edge_t::reversed_edge, g);
- boost::property_map<Graph,traits::edge_descriptor node_t::* >::type pred = get(&node_t::predecessor, g);
- boost::property_map<Graph,boost::vertex_index_t>::type vertex_indices = get(boost::vertex_index, g);
- boost::property_map<Graph,int node_t::* >::type dist = get(&node_t::dist, g);
- boost::property_map<Graph,int node_t::* >::type dist_prev = get(&node_t::dist_prev, g);
- boost::SampleGraph::getSampleGraph(g,s,t,capacity,residual_capacity,cost,rev);
- boost::successive_shortest_path_nonnegative_weights(g,s,t,
- capacity,residual_capacity,cost,rev,vertex_indices,
- pred,dist,dist_prev);
- // The "bundled properties" version (producing errors)
- int flow_cost = boost::find_flow_cost(g,capacity,residual_capacity,cost);
- BOOST_CHECK_EQUAL(flow_cost, 29);
- }
- // Unit test written in order to fails (at compile time) if the find_flow_cost()
- // is not properly handling bundled properties
- BOOST_AUTO_TEST_CASE(using_named_params_and_bundled_properties_with_find_max_flow_test)
- {
- Graph g;
- traits::vertex_descriptor s,t;
- boost::property_map<Graph,double edge_t::* >::type capacity = get(&edge_t::capacity, g);
- boost::property_map<Graph,float edge_t::* >::type cost = get(&edge_t::cost, g);
- boost::property_map<Graph,float edge_t::* >::type residual_capacity = get(&edge_t::residual_capacity, g);
- boost::property_map<Graph,traits::edge_descriptor edge_t::* >::type rev = get(&edge_t::reversed_edge, g);
- boost::property_map<Graph,traits::edge_descriptor node_t::* >::type pred = get(&node_t::predecessor, g);
- boost::property_map<Graph,boost::vertex_index_t>::type vertex_indices = get(boost::vertex_index, g);
- boost::property_map<Graph,int node_t::* >::type dist = get(&node_t::dist, g);
- boost::property_map<Graph,int node_t::* >::type dist_prev = get(&node_t::dist_prev, g);
- boost::SampleGraph::getSampleGraph(g,s,t,capacity,residual_capacity,cost,rev);
- boost::successive_shortest_path_nonnegative_weights(g,s,t,
- capacity,residual_capacity,cost,rev,vertex_indices,
- pred,dist,dist_prev);
- // The "named parameters" version (with "bundled properties"; producing errors)
- int flow_cost = boost::find_flow_cost(g,
- boost::capacity_map(capacity)
- .residual_capacity_map(residual_capacity)
- .weight_map(cost));
- BOOST_CHECK_EQUAL(flow_cost, 29);
- }
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