1 | /* -*- C++ -*- |
---|
2 | * |
---|
3 | * This file is a part of LEMON, a generic C++ optimization library |
---|
4 | * |
---|
5 | * Copyright (C) 2003-2006 |
---|
6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
---|
7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
---|
8 | * |
---|
9 | * Permission to use, modify and distribute this software is granted |
---|
10 | * provided that this copyright notice appears in all copies. For |
---|
11 | * precise terms see the accompanying LICENSE file. |
---|
12 | * |
---|
13 | * This software is provided "AS IS" with no warranty of any kind, |
---|
14 | * express or implied, and with no claim as to its suitability for any |
---|
15 | * purpose. |
---|
16 | * |
---|
17 | */ |
---|
18 | |
---|
19 | #ifndef LEMON_TEST_GRAPH_UTILS_TEST_H |
---|
20 | #define LEMON_TEST_GRAPH_UTILS_TEST_H |
---|
21 | |
---|
22 | |
---|
23 | #include "test_tools.h" |
---|
24 | #include <cstdlib> |
---|
25 | #include <ctime> |
---|
26 | |
---|
27 | //! \ingroup misc |
---|
28 | //! \file |
---|
29 | //! \brief Test cases for graph utils. |
---|
30 | namespace lemon { |
---|
31 | |
---|
32 | template <typename Graph> |
---|
33 | void checkGraphCounters() { |
---|
34 | const int num = 5; |
---|
35 | Graph graph; |
---|
36 | addPetersen(graph, num); |
---|
37 | bidirGraph(graph); |
---|
38 | check(countNodes(graph) == 2*num, "Wrong node number."); |
---|
39 | check(countEdges(graph) == 6*num, "Wrong edge number."); |
---|
40 | for (typename Graph::NodeIt it(graph); it != INVALID; ++it) { |
---|
41 | check(countOutEdges(graph, it) == 3, "Wrong out degree number."); |
---|
42 | check(countInEdges(graph, it) == 3, "Wrong in degree number."); |
---|
43 | } |
---|
44 | } |
---|
45 | |
---|
46 | template <typename Graph> |
---|
47 | void checkFindEdge() { |
---|
48 | typedef typename Graph::Node Node; |
---|
49 | typedef typename Graph::Edge Edge; |
---|
50 | typedef typename Graph::NodeIt NodeIt; |
---|
51 | typedef typename Graph::EdgeIt EdgeIt; |
---|
52 | Graph graph; |
---|
53 | srand(time(0)); |
---|
54 | for (int i = 0; i < 10; ++i) { |
---|
55 | graph.addNode(); |
---|
56 | } |
---|
57 | DescriptorMap<Graph, Node> nodes(graph); |
---|
58 | typename DescriptorMap<Graph, Node>::InverseMap invNodes(nodes); |
---|
59 | for (int i = 0; i < 100; ++i) { |
---|
60 | int src = (int)(rand() / (RAND_MAX + 1.0) * invNodes.size()); |
---|
61 | int trg = (int)(rand() / (RAND_MAX + 1.0) * invNodes.size()); |
---|
62 | graph.addEdge(invNodes[src], invNodes[trg]); |
---|
63 | } |
---|
64 | typename Graph::template EdgeMap<bool> found(graph, false); |
---|
65 | DescriptorMap<Graph, Edge> edges(graph); |
---|
66 | for (NodeIt src(graph); src != INVALID; ++src) { |
---|
67 | for (NodeIt trg(graph); trg != INVALID; ++trg) { |
---|
68 | for (ConEdgeIt<Graph> con(graph, src, trg); con != INVALID; ++con) { |
---|
69 | check(graph.source(con) == src, "Wrong source."); |
---|
70 | check(graph.target(con) == trg, "Wrong target."); |
---|
71 | check(found[con] == false, "The edge found already."); |
---|
72 | found[con] = true; |
---|
73 | } |
---|
74 | } |
---|
75 | } |
---|
76 | for (EdgeIt it(graph); it != INVALID; ++it) { |
---|
77 | check(found[it] == true, "The edge is not found."); |
---|
78 | } |
---|
79 | } |
---|
80 | |
---|
81 | } //namespace lemon |
---|
82 | |
---|
83 | |
---|
84 | #endif |
---|