test/graph_utils_test.h
changeset 1670 c0fa68014ba0
parent 1435 8e85e6bbefdf
child 1875 98698b69a902
equal deleted inserted replaced
0:b205176994dc 1:2193df4108f8
    16 #ifndef LEMON_TEST_GRAPH_UTILS_TEST_H
    16 #ifndef LEMON_TEST_GRAPH_UTILS_TEST_H
    17 #define LEMON_TEST_GRAPH_UTILS_TEST_H
    17 #define LEMON_TEST_GRAPH_UTILS_TEST_H
    18 
    18 
    19 
    19 
    20 #include "test_tools.h"
    20 #include "test_tools.h"
       
    21 #include <cstdlib>
       
    22 #include <ctime>
    21 
    23 
    22 //! \ingroup misc
    24 //! \ingroup misc
    23 //! \file
    25 //! \file
    24 //! \brief Test cases for graph utils.
    26 //! \brief Test cases for graph utils.
    25 namespace lemon {
    27 namespace lemon {
    35     for (typename Graph::NodeIt it(graph); it != INVALID; ++it) {
    37     for (typename Graph::NodeIt it(graph); it != INVALID; ++it) {
    36       check(countOutEdges(graph, it) == 3, "Wrong out degree number.");
    38       check(countOutEdges(graph, it) == 3, "Wrong out degree number.");
    37       check(countInEdges(graph, it) == 3, "Wrong in degree number.");
    39       check(countInEdges(graph, it) == 3, "Wrong in degree number.");
    38     }
    40     }
    39   }
    41   }
       
    42 
       
    43   template <typename Graph>
       
    44   void checkFindEdge() {
       
    45     typedef typename Graph::Node Node;
       
    46     typedef typename Graph::Edge Edge;
       
    47     typedef typename Graph::NodeIt NodeIt;
       
    48     typedef typename Graph::EdgeIt EdgeIt;
       
    49     Graph graph;
       
    50     srand(time(0));
       
    51     for (int i = 0; i < 10; ++i) {
       
    52       graph.addNode();
       
    53     }
       
    54     DescriptorMap<Graph, Node> nodes(graph);
       
    55     typename DescriptorMap<Graph, Node>::InverseMap invNodes(nodes);
       
    56     for (int i = 0; i < 100; ++i) {
       
    57       int src = (int)(rand() / (RAND_MAX + 1.0) * invNodes.size());
       
    58       int trg = (int)(rand() / (RAND_MAX + 1.0) * invNodes.size());
       
    59       graph.addEdge(invNodes[src], invNodes[trg]);
       
    60     }
       
    61     typename Graph::template EdgeMap<bool> found(graph, false);
       
    62     DescriptorMap<Graph, Edge> edges(graph);
       
    63     for (NodeIt src(graph); src != INVALID; ++src) {
       
    64       for (NodeIt trg(graph); trg != INVALID; ++trg) {
       
    65 	for (ConEdgeIt<Graph> con(graph, src, trg); con != INVALID; ++con) {
       
    66 	  check(graph.source(con) == src, "Wrong source.");
       
    67 	  check(graph.target(con) == trg, "Wrong target.");
       
    68 	  check(found[con] == false, "The edge found already.");
       
    69 	  found[con] = true;
       
    70 	}
       
    71       }
       
    72     }
       
    73     for (EdgeIt it(graph); it != INVALID; ++it) {
       
    74       check(found[it] == true, "The edge is not found.");
       
    75     }
       
    76   }
    40   
    77   
    41 } //namespace lemon
    78 } //namespace lemon
    42 
    79 
    43 
    80 
    44 #endif
    81 #endif