1 | /* -*- mode: C++; indent-tabs-mode: nil; -*- |
---|
2 | * |
---|
3 | * This file is a part of LEMON, a generic C++ optimization library. |
---|
4 | * |
---|
5 | * Copyright (C) 2003-2008 |
---|
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 | #include <lemon/concepts/graph.h> |
---|
20 | #include <lemon/list_graph.h> |
---|
21 | #include <lemon/smart_graph.h> |
---|
22 | #include <lemon/full_graph.h> |
---|
23 | #include <lemon/grid_graph.h> |
---|
24 | #include <lemon/hypercube_graph.h> |
---|
25 | |
---|
26 | #include "test_tools.h" |
---|
27 | #include "graph_test.h" |
---|
28 | |
---|
29 | using namespace lemon; |
---|
30 | using namespace lemon::concepts; |
---|
31 | |
---|
32 | template <class Graph> |
---|
33 | void checkGraph() { |
---|
34 | TEMPLATE_GRAPH_TYPEDEFS(Graph); |
---|
35 | |
---|
36 | Graph G; |
---|
37 | checkGraphNodeList(G, 0); |
---|
38 | checkGraphEdgeList(G, 0); |
---|
39 | |
---|
40 | Node |
---|
41 | n1 = G.addNode(), |
---|
42 | n2 = G.addNode(), |
---|
43 | n3 = G.addNode(); |
---|
44 | checkGraphNodeList(G, 3); |
---|
45 | checkGraphEdgeList(G, 0); |
---|
46 | |
---|
47 | Edge e1 = G.addEdge(n1, n2); |
---|
48 | check((G.u(e1) == n1 && G.v(e1) == n2) || (G.u(e1) == n2 && G.v(e1) == n1), |
---|
49 | "Wrong edge"); |
---|
50 | checkGraphNodeList(G, 3); |
---|
51 | checkGraphArcList(G, 2); |
---|
52 | checkGraphEdgeList(G, 1); |
---|
53 | |
---|
54 | checkGraphOutArcList(G, n1, 1); |
---|
55 | checkGraphOutArcList(G, n2, 1); |
---|
56 | checkGraphOutArcList(G, n3, 0); |
---|
57 | |
---|
58 | checkGraphInArcList(G, n1, 1); |
---|
59 | checkGraphInArcList(G, n2, 1); |
---|
60 | checkGraphInArcList(G, n3, 0); |
---|
61 | |
---|
62 | checkGraphIncEdgeList(G, n1, 1); |
---|
63 | checkGraphIncEdgeList(G, n2, 1); |
---|
64 | checkGraphIncEdgeList(G, n3, 0); |
---|
65 | |
---|
66 | checkGraphConArcList(G, 2); |
---|
67 | checkGraphConEdgeList(G, 1); |
---|
68 | |
---|
69 | Edge e2 = G.addEdge(n2, n1), e3 = G.addEdge(n2, n3); |
---|
70 | checkGraphNodeList(G, 3); |
---|
71 | checkGraphArcList(G, 6); |
---|
72 | checkGraphEdgeList(G, 3); |
---|
73 | |
---|
74 | checkGraphOutArcList(G, n1, 2); |
---|
75 | checkGraphOutArcList(G, n2, 3); |
---|
76 | checkGraphOutArcList(G, n3, 1); |
---|
77 | |
---|
78 | checkGraphInArcList(G, n1, 2); |
---|
79 | checkGraphInArcList(G, n2, 3); |
---|
80 | checkGraphInArcList(G, n3, 1); |
---|
81 | |
---|
82 | checkGraphIncEdgeList(G, n1, 2); |
---|
83 | checkGraphIncEdgeList(G, n2, 3); |
---|
84 | checkGraphIncEdgeList(G, n3, 1); |
---|
85 | |
---|
86 | checkGraphConArcList(G, 6); |
---|
87 | checkGraphConEdgeList(G, 3); |
---|
88 | |
---|
89 | checkArcDirections(G); |
---|
90 | |
---|
91 | checkNodeIds(G); |
---|
92 | checkArcIds(G); |
---|
93 | checkEdgeIds(G); |
---|
94 | checkGraphNodeMap(G); |
---|
95 | checkGraphArcMap(G); |
---|
96 | checkGraphEdgeMap(G); |
---|
97 | } |
---|
98 | |
---|
99 | void checkFullGraph(int num) { |
---|
100 | typedef FullGraph Graph; |
---|
101 | GRAPH_TYPEDEFS(Graph); |
---|
102 | |
---|
103 | Graph G(num); |
---|
104 | checkGraphNodeList(G, num); |
---|
105 | checkGraphEdgeList(G, num * (num - 1) / 2); |
---|
106 | |
---|
107 | for (NodeIt n(G); n != INVALID; ++n) { |
---|
108 | checkGraphOutArcList(G, n, num - 1); |
---|
109 | checkGraphInArcList(G, n, num - 1); |
---|
110 | checkGraphIncEdgeList(G, n, num - 1); |
---|
111 | } |
---|
112 | |
---|
113 | checkGraphConArcList(G, num * (num - 1)); |
---|
114 | checkGraphConEdgeList(G, num * (num - 1) / 2); |
---|
115 | |
---|
116 | checkArcDirections(G); |
---|
117 | |
---|
118 | checkNodeIds(G); |
---|
119 | checkArcIds(G); |
---|
120 | checkEdgeIds(G); |
---|
121 | checkGraphNodeMap(G); |
---|
122 | checkGraphArcMap(G); |
---|
123 | checkGraphEdgeMap(G); |
---|
124 | |
---|
125 | |
---|
126 | for (int i = 0; i < G.nodeNum(); ++i) { |
---|
127 | check(G.index(G(i)) == i, "Wrong index"); |
---|
128 | } |
---|
129 | |
---|
130 | for (NodeIt u(G); u != INVALID; ++u) { |
---|
131 | for (NodeIt v(G); v != INVALID; ++v) { |
---|
132 | Edge e = G.edge(u, v); |
---|
133 | Arc a = G.arc(u, v); |
---|
134 | if (u == v) { |
---|
135 | check(e == INVALID, "Wrong edge lookup"); |
---|
136 | check(a == INVALID, "Wrong arc lookup"); |
---|
137 | } else { |
---|
138 | check((G.u(e) == u && G.v(e) == v) || |
---|
139 | (G.u(e) == v && G.v(e) == u), "Wrong edge lookup"); |
---|
140 | check(G.source(a) == u && G.target(a) == v, "Wrong arc lookup"); |
---|
141 | } |
---|
142 | } |
---|
143 | } |
---|
144 | } |
---|
145 | |
---|
146 | void checkConcepts() { |
---|
147 | { // Checking graph components |
---|
148 | checkConcept<BaseGraphComponent, BaseGraphComponent >(); |
---|
149 | |
---|
150 | checkConcept<IDableGraphComponent<>, |
---|
151 | IDableGraphComponent<> >(); |
---|
152 | |
---|
153 | checkConcept<IterableGraphComponent<>, |
---|
154 | IterableGraphComponent<> >(); |
---|
155 | |
---|
156 | checkConcept<MappableGraphComponent<>, |
---|
157 | MappableGraphComponent<> >(); |
---|
158 | } |
---|
159 | { // Checking skeleton graph |
---|
160 | checkConcept<Graph, Graph>(); |
---|
161 | } |
---|
162 | { // Checking ListGraph |
---|
163 | checkConcept<Graph, ListGraph>(); |
---|
164 | checkConcept<AlterableGraphComponent<>, ListGraph>(); |
---|
165 | checkConcept<ExtendableGraphComponent<>, ListGraph>(); |
---|
166 | checkConcept<ClearableGraphComponent<>, ListGraph>(); |
---|
167 | checkConcept<ErasableGraphComponent<>, ListGraph>(); |
---|
168 | } |
---|
169 | { // Checking SmartGraph |
---|
170 | checkConcept<Graph, SmartGraph>(); |
---|
171 | checkConcept<AlterableGraphComponent<>, SmartGraph>(); |
---|
172 | checkConcept<ExtendableGraphComponent<>, SmartGraph>(); |
---|
173 | checkConcept<ClearableGraphComponent<>, SmartGraph>(); |
---|
174 | } |
---|
175 | { // Checking FullGraph |
---|
176 | checkConcept<Graph, FullGraph>(); |
---|
177 | } |
---|
178 | { // Checking GridGraph |
---|
179 | checkConcept<Graph, GridGraph>(); |
---|
180 | } |
---|
181 | { // Checking HypercubeGraph |
---|
182 | checkConcept<Graph, HypercubeGraph>(); |
---|
183 | } |
---|
184 | } |
---|
185 | |
---|
186 | template <typename Graph> |
---|
187 | void checkGraphValidity() { |
---|
188 | TEMPLATE_GRAPH_TYPEDEFS(Graph); |
---|
189 | Graph g; |
---|
190 | |
---|
191 | Node |
---|
192 | n1 = g.addNode(), |
---|
193 | n2 = g.addNode(), |
---|
194 | n3 = g.addNode(); |
---|
195 | |
---|
196 | Edge |
---|
197 | e1 = g.addEdge(n1, n2), |
---|
198 | e2 = g.addEdge(n2, n3); |
---|
199 | |
---|
200 | check(g.valid(n1), "Wrong validity check"); |
---|
201 | check(g.valid(e1), "Wrong validity check"); |
---|
202 | check(g.valid(g.direct(e1, true)), "Wrong validity check"); |
---|
203 | |
---|
204 | check(!g.valid(g.nodeFromId(-1)), "Wrong validity check"); |
---|
205 | check(!g.valid(g.edgeFromId(-1)), "Wrong validity check"); |
---|
206 | check(!g.valid(g.arcFromId(-1)), "Wrong validity check"); |
---|
207 | } |
---|
208 | |
---|
209 | template <typename Graph> |
---|
210 | void checkGraphValidityErase() { |
---|
211 | TEMPLATE_GRAPH_TYPEDEFS(Graph); |
---|
212 | Graph g; |
---|
213 | |
---|
214 | Node |
---|
215 | n1 = g.addNode(), |
---|
216 | n2 = g.addNode(), |
---|
217 | n3 = g.addNode(); |
---|
218 | |
---|
219 | Edge |
---|
220 | e1 = g.addEdge(n1, n2), |
---|
221 | e2 = g.addEdge(n2, n3); |
---|
222 | |
---|
223 | check(g.valid(n1), "Wrong validity check"); |
---|
224 | check(g.valid(e1), "Wrong validity check"); |
---|
225 | check(g.valid(g.direct(e1, true)), "Wrong validity check"); |
---|
226 | |
---|
227 | g.erase(n1); |
---|
228 | |
---|
229 | check(!g.valid(n1), "Wrong validity check"); |
---|
230 | check(g.valid(n2), "Wrong validity check"); |
---|
231 | check(g.valid(n3), "Wrong validity check"); |
---|
232 | check(!g.valid(e1), "Wrong validity check"); |
---|
233 | check(g.valid(e2), "Wrong validity check"); |
---|
234 | |
---|
235 | check(!g.valid(g.nodeFromId(-1)), "Wrong validity check"); |
---|
236 | check(!g.valid(g.edgeFromId(-1)), "Wrong validity check"); |
---|
237 | check(!g.valid(g.arcFromId(-1)), "Wrong validity check"); |
---|
238 | } |
---|
239 | |
---|
240 | void checkGridGraph(int width, int height) { |
---|
241 | typedef GridGraph Graph; |
---|
242 | GRAPH_TYPEDEFS(Graph); |
---|
243 | Graph G(width, height); |
---|
244 | |
---|
245 | check(G.width() == width, "Wrong column number"); |
---|
246 | check(G.height() == height, "Wrong row number"); |
---|
247 | |
---|
248 | for (int i = 0; i < width; ++i) { |
---|
249 | for (int j = 0; j < height; ++j) { |
---|
250 | check(G.col(G(i, j)) == i, "Wrong column"); |
---|
251 | check(G.row(G(i, j)) == j, "Wrong row"); |
---|
252 | check(G.pos(G(i, j)).x == i, "Wrong column"); |
---|
253 | check(G.pos(G(i, j)).y == j, "Wrong row"); |
---|
254 | } |
---|
255 | } |
---|
256 | |
---|
257 | for (int j = 0; j < height; ++j) { |
---|
258 | for (int i = 0; i < width - 1; ++i) { |
---|
259 | check(G.source(G.right(G(i, j))) == G(i, j), "Wrong right"); |
---|
260 | check(G.target(G.right(G(i, j))) == G(i + 1, j), "Wrong right"); |
---|
261 | } |
---|
262 | check(G.right(G(width - 1, j)) == INVALID, "Wrong right"); |
---|
263 | } |
---|
264 | |
---|
265 | for (int j = 0; j < height; ++j) { |
---|
266 | for (int i = 1; i < width; ++i) { |
---|
267 | check(G.source(G.left(G(i, j))) == G(i, j), "Wrong left"); |
---|
268 | check(G.target(G.left(G(i, j))) == G(i - 1, j), "Wrong left"); |
---|
269 | } |
---|
270 | check(G.left(G(0, j)) == INVALID, "Wrong left"); |
---|
271 | } |
---|
272 | |
---|
273 | for (int i = 0; i < width; ++i) { |
---|
274 | for (int j = 0; j < height - 1; ++j) { |
---|
275 | check(G.source(G.up(G(i, j))) == G(i, j), "Wrong up"); |
---|
276 | check(G.target(G.up(G(i, j))) == G(i, j + 1), "Wrong up"); |
---|
277 | } |
---|
278 | check(G.up(G(i, height - 1)) == INVALID, "Wrong up"); |
---|
279 | } |
---|
280 | |
---|
281 | for (int i = 0; i < width; ++i) { |
---|
282 | for (int j = 1; j < height; ++j) { |
---|
283 | check(G.source(G.down(G(i, j))) == G(i, j), "Wrong down"); |
---|
284 | check(G.target(G.down(G(i, j))) == G(i, j - 1), "Wrong down"); |
---|
285 | } |
---|
286 | check(G.down(G(i, 0)) == INVALID, "Wrong down"); |
---|
287 | } |
---|
288 | |
---|
289 | checkGraphNodeList(G, width * height); |
---|
290 | checkGraphEdgeList(G, width * (height - 1) + (width - 1) * height); |
---|
291 | checkGraphArcList(G, 2 * (width * (height - 1) + (width - 1) * height)); |
---|
292 | |
---|
293 | for (NodeIt n(G); n != INVALID; ++n) { |
---|
294 | int nb = 4; |
---|
295 | if (G.col(n) == 0) --nb; |
---|
296 | if (G.col(n) == width - 1) --nb; |
---|
297 | if (G.row(n) == 0) --nb; |
---|
298 | if (G.row(n) == height - 1) --nb; |
---|
299 | |
---|
300 | checkGraphOutArcList(G, n, nb); |
---|
301 | checkGraphInArcList(G, n, nb); |
---|
302 | checkGraphIncEdgeList(G, n, nb); |
---|
303 | } |
---|
304 | |
---|
305 | checkArcDirections(G); |
---|
306 | |
---|
307 | checkGraphConArcList(G, 2 * (width * (height - 1) + (width - 1) * height)); |
---|
308 | checkGraphConEdgeList(G, width * (height - 1) + (width - 1) * height); |
---|
309 | |
---|
310 | checkNodeIds(G); |
---|
311 | checkArcIds(G); |
---|
312 | checkEdgeIds(G); |
---|
313 | checkGraphNodeMap(G); |
---|
314 | checkGraphArcMap(G); |
---|
315 | checkGraphEdgeMap(G); |
---|
316 | |
---|
317 | } |
---|
318 | |
---|
319 | void checkHypercubeGraph(int dim) { |
---|
320 | GRAPH_TYPEDEFS(HypercubeGraph); |
---|
321 | |
---|
322 | HypercubeGraph G(dim); |
---|
323 | checkGraphNodeList(G, 1 << dim); |
---|
324 | checkGraphEdgeList(G, dim * (1 << (dim-1))); |
---|
325 | checkGraphArcList(G, dim * (1 << dim)); |
---|
326 | |
---|
327 | Node n = G.nodeFromId(dim); |
---|
328 | |
---|
329 | for (NodeIt n(G); n != INVALID; ++n) { |
---|
330 | checkGraphIncEdgeList(G, n, dim); |
---|
331 | for (IncEdgeIt e(G, n); e != INVALID; ++e) { |
---|
332 | check( (G.u(e) == n && |
---|
333 | G.id(G.v(e)) == (G.id(n) ^ (1 << G.dimension(e)))) || |
---|
334 | (G.v(e) == n && |
---|
335 | G.id(G.u(e)) == (G.id(n) ^ (1 << G.dimension(e)))), |
---|
336 | "Wrong edge or wrong dimension"); |
---|
337 | } |
---|
338 | |
---|
339 | checkGraphOutArcList(G, n, dim); |
---|
340 | for (OutArcIt a(G, n); a != INVALID; ++a) { |
---|
341 | check(G.source(a) == n && |
---|
342 | G.id(G.target(a)) == (G.id(n) ^ (1 << G.dimension(a))), |
---|
343 | "Wrong arc or wrong dimension"); |
---|
344 | } |
---|
345 | |
---|
346 | checkGraphInArcList(G, n, dim); |
---|
347 | for (InArcIt a(G, n); a != INVALID; ++a) { |
---|
348 | check(G.target(a) == n && |
---|
349 | G.id(G.source(a)) == (G.id(n) ^ (1 << G.dimension(a))), |
---|
350 | "Wrong arc or wrong dimension"); |
---|
351 | } |
---|
352 | } |
---|
353 | |
---|
354 | checkGraphConArcList(G, (1 << dim) * dim); |
---|
355 | checkGraphConEdgeList(G, dim * (1 << (dim-1))); |
---|
356 | |
---|
357 | checkArcDirections(G); |
---|
358 | |
---|
359 | checkNodeIds(G); |
---|
360 | checkArcIds(G); |
---|
361 | checkEdgeIds(G); |
---|
362 | checkGraphNodeMap(G); |
---|
363 | checkGraphArcMap(G); |
---|
364 | checkGraphEdgeMap(G); |
---|
365 | } |
---|
366 | |
---|
367 | void checkGraphs() { |
---|
368 | { // Checking ListGraph |
---|
369 | checkGraph<ListGraph>(); |
---|
370 | checkGraphValidityErase<ListGraph>(); |
---|
371 | } |
---|
372 | { // Checking SmartGraph |
---|
373 | checkGraph<SmartGraph>(); |
---|
374 | checkGraphValidity<SmartGraph>(); |
---|
375 | } |
---|
376 | { // Checking FullGraph |
---|
377 | checkFullGraph(7); |
---|
378 | checkFullGraph(8); |
---|
379 | } |
---|
380 | { // Checking GridGraph |
---|
381 | checkGridGraph(5, 8); |
---|
382 | checkGridGraph(8, 5); |
---|
383 | checkGridGraph(5, 5); |
---|
384 | checkGridGraph(0, 0); |
---|
385 | checkGridGraph(1, 1); |
---|
386 | } |
---|
387 | { // Checking HypercubeGraph |
---|
388 | checkHypercubeGraph(1); |
---|
389 | checkHypercubeGraph(2); |
---|
390 | checkHypercubeGraph(3); |
---|
391 | checkHypercubeGraph(4); |
---|
392 | } |
---|
393 | } |
---|
394 | |
---|
395 | int main() { |
---|
396 | checkConcepts(); |
---|
397 | checkGraphs(); |
---|
398 | return 0; |
---|
399 | } |
---|