1 | /* -*- C++ -*- |
---|
2 | * src/test/test_tools.h - Part of LEMON, a generic C++ optimization library |
---|
3 | * |
---|
4 | * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
---|
5 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
---|
6 | * |
---|
7 | * Permission to use, modify and distribute this software is granted |
---|
8 | * provided that this copyright notice appears in all copies. For |
---|
9 | * precise terms see the accompanying LICENSE file. |
---|
10 | * |
---|
11 | * This software is provided "AS IS" with no warranty of any kind, |
---|
12 | * express or implied, and with no claim as to its suitability for any |
---|
13 | * purpose. |
---|
14 | * |
---|
15 | */ |
---|
16 | |
---|
17 | #ifndef LEMON_TEST_TEST_TOOLS_H |
---|
18 | #define LEMON_TEST_TEST_TOOLS_H |
---|
19 | |
---|
20 | #include <iostream> |
---|
21 | #include <vector> |
---|
22 | |
---|
23 | #include <lemon/invalid.h> |
---|
24 | |
---|
25 | using namespace lemon; |
---|
26 | |
---|
27 | //! \ingroup misc |
---|
28 | //! \file |
---|
29 | //! \brief Some utilities to write test programs. |
---|
30 | |
---|
31 | |
---|
32 | ///If \c rc is fail, writes an error message end exit. |
---|
33 | |
---|
34 | ///If \c rc is fail, writes an error message end exit. |
---|
35 | ///The error message contains the file name and the line number of the |
---|
36 | ///source code in a standard from, which makes it possible to go there |
---|
37 | ///using good source browsers like e.g. \c emacs. |
---|
38 | /// |
---|
39 | ///For example |
---|
40 | ///\code check(0==1,"This is obviously false.");\endcode will |
---|
41 | ///print this (and then exits). |
---|
42 | ///\verbatim graph_test.cc:123: error: This is obviously false. \endverbatim |
---|
43 | /// |
---|
44 | ///\todo It should be in \c error.h |
---|
45 | #define check(rc, msg) \ |
---|
46 | if(!(rc)) { \ |
---|
47 | std::cerr << __FILE__ ":" << __LINE__ << ": error: " << msg << std::endl; \ |
---|
48 | exit(1); \ |
---|
49 | } else { } \ |
---|
50 | |
---|
51 | ///Structure returned by \ref addPetersen(). |
---|
52 | |
---|
53 | ///Structure returned by \ref addPetersen(). |
---|
54 | /// |
---|
55 | template<class Graph> struct PetStruct |
---|
56 | { |
---|
57 | ///Vector containing the outer nodes. |
---|
58 | std::vector<typename Graph::Node> outer; |
---|
59 | ///Vector containing the inner nodes. |
---|
60 | std::vector<typename Graph::Node> inner; |
---|
61 | ///Vector containing the edges of the inner circle. |
---|
62 | std::vector<typename Graph::Edge> incir; |
---|
63 | ///Vector containing the edges of the outer circle. |
---|
64 | std::vector<typename Graph::Edge> outcir; |
---|
65 | ///Vector containing the chord edges. |
---|
66 | std::vector<typename Graph::Edge> chords; |
---|
67 | }; |
---|
68 | |
---|
69 | |
---|
70 | |
---|
71 | ///Adds a Petersen graph to \c G. |
---|
72 | |
---|
73 | ///Adds a Petersen graph to \c G. |
---|
74 | ///\return The nodes and edges of the generated graph. |
---|
75 | |
---|
76 | template<typename Graph> |
---|
77 | PetStruct<Graph> addPetersen(Graph &G,int num = 5) |
---|
78 | { |
---|
79 | PetStruct<Graph> n; |
---|
80 | |
---|
81 | for(int i=0;i<num;i++) { |
---|
82 | n.outer.push_back(G.addNode()); |
---|
83 | n.inner.push_back(G.addNode()); |
---|
84 | } |
---|
85 | |
---|
86 | for(int i=0;i<num;i++) { |
---|
87 | n.chords.push_back(G.addEdge(n.outer[i],n.inner[i])); |
---|
88 | n.outcir.push_back(G.addEdge(n.outer[i],n.outer[(i+1) % num])); |
---|
89 | n.incir.push_back(G.addEdge(n.inner[i],n.inner[(i+2) % num])); |
---|
90 | } |
---|
91 | return n; |
---|
92 | } |
---|
93 | |
---|
94 | /// \brief Adds to the graph the reverse pair of all edges. |
---|
95 | /// |
---|
96 | /// Adds to the graph the reverse pair of all edges. |
---|
97 | /// |
---|
98 | template<class Graph> void bidirGraph(Graph &G) |
---|
99 | { |
---|
100 | typedef typename Graph::Edge Edge; |
---|
101 | typedef typename Graph::EdgeIt EdgeIt; |
---|
102 | |
---|
103 | std::vector<Edge> ee; |
---|
104 | |
---|
105 | for(EdgeIt e(G);e!=INVALID;++e) ee.push_back(e); |
---|
106 | |
---|
107 | for(typename std::vector<Edge>::iterator p=ee.begin();p!=ee.end();p++) |
---|
108 | G.addEdge(G.target(*p),G.source(*p)); |
---|
109 | } |
---|
110 | |
---|
111 | |
---|
112 | /// \brief Checks the bidirectioned Petersen graph. |
---|
113 | /// |
---|
114 | /// Checks the bidirectioned Petersen graph. |
---|
115 | /// |
---|
116 | template<class Graph> void checkBidirPetersen(Graph &G, int num = 5) |
---|
117 | { |
---|
118 | typedef typename Graph::Node Node; |
---|
119 | |
---|
120 | typedef typename Graph::EdgeIt EdgeIt; |
---|
121 | typedef typename Graph::NodeIt NodeIt; |
---|
122 | |
---|
123 | checkGraphNodeList(G, 2 * num); |
---|
124 | checkGraphEdgeList(G, 6 * num); |
---|
125 | |
---|
126 | for(NodeIt n(G);n!=INVALID;++n) { |
---|
127 | checkGraphInEdgeList(G, n, 3); |
---|
128 | checkGraphOutEdgeList(G, n, 3); |
---|
129 | } |
---|
130 | } |
---|
131 | |
---|
132 | ///Structure returned by \ref addSymPetersen(). |
---|
133 | |
---|
134 | ///Structure returned by \ref addSymPetersen(). |
---|
135 | /// |
---|
136 | template<class Graph> struct SymPetStruct |
---|
137 | { |
---|
138 | ///Vector containing the outer nodes. |
---|
139 | std::vector<typename Graph::Node> outer; |
---|
140 | ///Vector containing the inner nodes. |
---|
141 | std::vector<typename Graph::Node> inner; |
---|
142 | ///Vector containing the edges of the inner circle. |
---|
143 | std::vector<typename Graph::SymEdge> incir; |
---|
144 | ///Vector containing the edges of the outer circle. |
---|
145 | std::vector<typename Graph::SymEdge> outcir; |
---|
146 | ///Vector containing the chord edges. |
---|
147 | std::vector<typename Graph::SymEdge> chords; |
---|
148 | }; |
---|
149 | |
---|
150 | ///Adds a Petersen graph to the symmetric \c G. |
---|
151 | |
---|
152 | ///Adds a Petersen graph to the symmetric \c G. |
---|
153 | ///\return The nodes and edges of the generated graph. |
---|
154 | |
---|
155 | template<typename Graph> |
---|
156 | SymPetStruct<Graph> addSymPetersen(Graph &G,int num=5) |
---|
157 | { |
---|
158 | SymPetStruct<Graph> n; |
---|
159 | |
---|
160 | for(int i=0;i<num;i++) { |
---|
161 | n.outer.push_back(G.addNode()); |
---|
162 | n.inner.push_back(G.addNode()); |
---|
163 | } |
---|
164 | |
---|
165 | for(int i=0;i<num;i++) { |
---|
166 | n.chords.push_back(G.addEdge(n.outer[i],n.inner[i])); |
---|
167 | n.outcir.push_back(G.addEdge(n.outer[i],n.outer[(i+1)%5])); |
---|
168 | n.incir.push_back(G.addEdge(n.inner[i],n.inner[(i+2)%5])); |
---|
169 | } |
---|
170 | return n; |
---|
171 | } |
---|
172 | |
---|
173 | #endif |
---|