| 1 | // Boost Graph library |
| 2 | |
| 3 | // Copyright Douglas Gregor 2004. Use, modification and |
| 4 | // distribution is subject to the Boost Software License, Version |
| 5 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
| 6 | // http://www.boost.org/LICENSE_1_0.txt) |
| 7 | |
| 8 | #include <boost/core/lightweight_test.hpp> |
| 9 | #include <boost/graph/adjacency_list.hpp> |
| 10 | #include <boost/graph/adjacency_matrix.hpp> |
| 11 | #include <boost/graph/filtered_graph.hpp> |
| 12 | #include <boost/graph/subgraph.hpp> |
| 13 | #include <string> |
| 14 | #include <vector> |
| 15 | #include <boost/graph/adjacency_list_io.hpp> |
| 16 | #include <sstream> |
| 17 | #include <boost/graph/iteration_macros.hpp> |
| 18 | #include <algorithm> |
| 19 | #include <iterator> |
| 20 | |
| 21 | using namespace std; |
| 22 | using namespace boost; |
| 23 | |
| 24 | struct City |
| 25 | { |
| 26 | City() {} |
| 27 | City(const std::string& name, int pop, int zipcode) |
| 28 | : name(name), population(pop) |
| 29 | { |
| 30 | zipcodes.push_back(x: zipcode); |
| 31 | } |
| 32 | |
| 33 | string name; |
| 34 | int population; |
| 35 | vector< int > zipcodes; |
| 36 | }; |
| 37 | |
| 38 | std::ostream& operator<<(std::ostream& out, const City& city) |
| 39 | { |
| 40 | out << city.name << ' ' << city.population << ' '; |
| 41 | copy(first: city.zipcodes.begin(), last: city.zipcodes.end(), |
| 42 | result: ostream_iterator< int >(out, " " )); |
| 43 | out << -1; |
| 44 | return out; |
| 45 | } |
| 46 | |
| 47 | std::istream& operator>>(std::istream& in, City& city) |
| 48 | { |
| 49 | if (in >> city.name >> city.population) |
| 50 | { |
| 51 | int zip; |
| 52 | city.zipcodes.clear(); |
| 53 | while (in >> zip && zip != -1) |
| 54 | city.zipcodes.push_back(x: zip); |
| 55 | } |
| 56 | return in; |
| 57 | } |
| 58 | |
| 59 | bool operator==(const City& c1, const City& c2) |
| 60 | { |
| 61 | return (c1.name == c2.name && c1.population == c2.population |
| 62 | && c1.zipcodes == c2.zipcodes); |
| 63 | } |
| 64 | |
| 65 | struct Highway |
| 66 | { |
| 67 | Highway() {} |
| 68 | Highway(const string& name, double miles, int speed_limit = 65, |
| 69 | int lanes = 4, bool divided = true) |
| 70 | : name(name) |
| 71 | , miles(miles) |
| 72 | , speed_limit(speed_limit) |
| 73 | , lanes(lanes) |
| 74 | , divided(divided) |
| 75 | { |
| 76 | } |
| 77 | |
| 78 | string name; |
| 79 | double miles; |
| 80 | int speed_limit; |
| 81 | int lanes; |
| 82 | bool divided; |
| 83 | }; |
| 84 | |
| 85 | std::ostream& operator<<(std::ostream& out, const Highway& highway) |
| 86 | { |
| 87 | return out << highway.name << ' ' << highway.miles << ' ' << highway.miles |
| 88 | << ' ' << highway.speed_limit << ' ' << highway.lanes << ' ' |
| 89 | << highway.divided; |
| 90 | } |
| 91 | |
| 92 | std::istream& operator>>(std::istream& in, Highway& highway) |
| 93 | { |
| 94 | return in >> highway.name >> highway.miles >> highway.miles |
| 95 | >> highway.speed_limit >> highway.lanes >> highway.divided; |
| 96 | } |
| 97 | |
| 98 | bool operator==(const Highway& h1, const Highway& h2) |
| 99 | { |
| 100 | return (h1.name == h2.name && h1.miles == h2.miles |
| 101 | && h1.speed_limit == h2.speed_limit && h1.lanes == h2.lanes |
| 102 | && h1.divided == h2.divided); |
| 103 | } |
| 104 | |
| 105 | template < bool > struct truth |
| 106 | { |
| 107 | }; |
| 108 | |
| 109 | template < typename Map, typename VertexIterator, typename Bundle > |
| 110 | typename boost::graph_traits< Map >::vertex_descriptor do_add_vertex( |
| 111 | Map& map, VertexIterator, const Bundle& bundle, truth< true >) |
| 112 | { |
| 113 | return add_vertex(bundle, map); |
| 114 | } |
| 115 | |
| 116 | template < typename Map, typename VertexIterator, typename Bundle > |
| 117 | typename boost::graph_traits< Map >::vertex_descriptor do_add_vertex( |
| 118 | Map& map, VertexIterator& vi, const Bundle& bundle, truth< false >) |
| 119 | { |
| 120 | get(boost::vertex_bundle, map)[*vi] = bundle; |
| 121 | return *vi++; |
| 122 | } |
| 123 | |
| 124 | template < class EL, class VL, class D, class VP, class EP, class GP > |
| 125 | void test_io(adjacency_list< EL, VL, D, VP, EP, GP >& map, int) |
| 126 | { |
| 127 | typedef adjacency_list< EL, VL, D, VP, EP, GP > Map; |
| 128 | |
| 129 | ostringstream out; |
| 130 | cout << write(map); |
| 131 | out << write(map); |
| 132 | |
| 133 | istringstream in(out.str()); |
| 134 | adjacency_list< EL, VL, D, VP, EP, GP > map2; |
| 135 | in >> read(map2); |
| 136 | typename graph_traits< |
| 137 | adjacency_list< EL, VL, D, VP, EP, GP > >::vertex_iterator v2 |
| 138 | = vertices(map2).first; |
| 139 | BGL_FORALL_VERTICES_T(v, map, Map) |
| 140 | { |
| 141 | BOOST_TEST(map[v] == map2[*v2]); |
| 142 | typename graph_traits< |
| 143 | adjacency_list< EL, VL, D, VP, EP, GP > >::out_edge_iterator e2 |
| 144 | = out_edges(*v2, map2).first; |
| 145 | BGL_FORALL_OUTEDGES_T(v, e, map, Map) |
| 146 | { |
| 147 | BOOST_TEST(map[e] == map[*e2]); |
| 148 | ++e2; |
| 149 | } |
| 150 | ++v2; |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | template < typename Map > void test_io(const Map&, long) |
| 155 | { |
| 156 | // Nothing to test |
| 157 | } |
| 158 | |
| 159 | template < typename Map, bool CanAddVertex > |
| 160 | void test_bundled_properties(Map*, truth< CanAddVertex > can_add_vertex) |
| 161 | { |
| 162 | typedef |
| 163 | typename boost::graph_traits< Map >::vertex_iterator vertex_iterator; |
| 164 | typedef typename boost::graph_traits< Map >::vertex_descriptor |
| 165 | vertex_descriptor; |
| 166 | typedef |
| 167 | typename boost::graph_traits< Map >::edge_descriptor edge_descriptor; |
| 168 | |
| 169 | Map map(CanAddVertex ? 2 : 3); |
| 170 | |
| 171 | vertex_iterator vi = vertices(map).first; |
| 172 | vertex_descriptor v = *vi; |
| 173 | map[v].name = "Troy" ; |
| 174 | map[v].population = 49170; |
| 175 | map[v].zipcodes.push_back(12180); |
| 176 | |
| 177 | ++vi; |
| 178 | vertex_descriptor u = *vi++; |
| 179 | map[u].name = "Albany" ; |
| 180 | map[u].population = 95658; |
| 181 | map[u].zipcodes.push_back(12201); |
| 182 | |
| 183 | // Try adding a vertex with a property value |
| 184 | vertex_descriptor bloomington = do_add_vertex( |
| 185 | map, vi, City("Bloomington" , 39000, 47401), can_add_vertex); |
| 186 | BOOST_TEST( |
| 187 | get(boost::vertex_bundle, map)[bloomington].zipcodes[0] == 47401); |
| 188 | |
| 189 | edge_descriptor e = add_edge(v, u, map).first; |
| 190 | map[e].name = "I-87" ; |
| 191 | map[e].miles = 10; |
| 192 | map[e].speed_limit = 65; |
| 193 | map[e].lanes = 4; |
| 194 | map[e].divided = true; |
| 195 | |
| 196 | edge_descriptor our_trip |
| 197 | = add_edge(v, bloomington, Highway("Long" , 1000), map).first; |
| 198 | BOOST_TEST(get(boost::edge_bundle, map, our_trip).miles == 1000); |
| 199 | |
| 200 | BOOST_TEST(get(get(&City::name, map), v) == "Troy" ); |
| 201 | BOOST_TEST(get(get(&Highway::name, map), e) == "I-87" ); |
| 202 | BOOST_TEST(get(&City::name, map, u) == "Albany" ); |
| 203 | BOOST_TEST(get(&Highway::name, map, e) == "I-87" ); |
| 204 | put(&City::population, map, v, 49168); |
| 205 | BOOST_TEST(get(&City::population, map)[v] == 49168); |
| 206 | |
| 207 | boost::filtered_graph< Map, boost::keep_all > fmap(map, boost::keep_all()); |
| 208 | BOOST_TEST(get(boost::edge_bundle, map, our_trip).miles == 1000); |
| 209 | |
| 210 | BOOST_TEST(get(get(&City::name, fmap), v) == "Troy" ); |
| 211 | BOOST_TEST(get(get(&Highway::name, fmap), e) == "I-87" ); |
| 212 | BOOST_TEST(get(&City::name, fmap, u) == "Albany" ); |
| 213 | BOOST_TEST(get(&Highway::name, fmap, e) == "I-87" ); |
| 214 | put(&City::population, fmap, v, 49169); |
| 215 | BOOST_TEST(get(&City::population, fmap)[v] == 49169); |
| 216 | |
| 217 | test_io(map, 0); |
| 218 | } |
| 219 | |
| 220 | void test_subgraph_bundled_properties() |
| 221 | { |
| 222 | typedef boost::subgraph< |
| 223 | boost::adjacency_list< boost::vecS, boost::vecS, boost::bidirectionalS, |
| 224 | City, boost::property< boost::edge_index_t, int, Highway > > > |
| 225 | SubMap; |
| 226 | typedef boost::graph_traits< SubMap >::vertex_descriptor Vertex; |
| 227 | typedef boost::graph_traits< SubMap >::vertex_iterator vertex_iterator; |
| 228 | |
| 229 | SubMap map(3); |
| 230 | vertex_iterator vi = vertices(g: map).first; |
| 231 | Vertex troy = *vi++; |
| 232 | map[troy].name = "Troy" ; |
| 233 | map[*vi++].name = "Bloomington" ; |
| 234 | map[*vi++].name = "Endicott" ; |
| 235 | |
| 236 | SubMap& g1 = map.create_subgraph(); |
| 237 | Vertex troy1 = add_vertex(u_global: *vertices(g: map).first, g&: g1); |
| 238 | BOOST_TEST(map[troy1].name == g1[troy1].name); |
| 239 | } |
| 240 | |
| 241 | int main(int, char*[]) |
| 242 | { |
| 243 | typedef boost::adjacency_list< boost::listS, boost::vecS, |
| 244 | boost::bidirectionalS, City, Highway > |
| 245 | Map1; |
| 246 | typedef boost::adjacency_matrix< boost::directedS, City, Highway > Map2; |
| 247 | |
| 248 | test_bundled_properties(static_cast< Map1* >(0), can_add_vertex: truth< true >()); |
| 249 | test_bundled_properties(static_cast< Map2* >(0), can_add_vertex: truth< false >()); |
| 250 | test_subgraph_bundled_properties(); |
| 251 | return boost::report_errors(); |
| 252 | } |
| 253 | |