lemon: test/digraph_test.cc@552e3d1242c6

     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) 2003-2009

     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  */

    19 #include <lemon/concepts/digraph.h>

    20 #include <lemon/list_graph.h>

    21 #include <lemon/smart_graph.h>

    22 #include <lemon/full_graph.h>

    24 #include "test_tools.h"

    25 #include "graph_test.h"

    27 using namespace lemon;

    28 using namespace lemon::concepts;

    30 template <class Digraph>

    31 void checkDigraphBuild() {

    32   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);

    33   Digraph G;

    35   checkGraphNodeList(G, 0);

    36   checkGraphArcList(G, 0);

    38   Node

    39     n1 = G.addNode(),

    40     n2 = G.addNode(),

    41     n3 = G.addNode();

    42   checkGraphNodeList(G, 3);

    43   checkGraphArcList(G, 0);

    45   Arc a1 = G.addArc(n1, n2);

    46   check(G.source(a1) == n1 && G.target(a1) == n2, "Wrong arc");

    47   checkGraphNodeList(G, 3);

    48   checkGraphArcList(G, 1);

    50   checkGraphOutArcList(G, n1, 1);

    51   checkGraphOutArcList(G, n2, 0);

    52   checkGraphOutArcList(G, n3, 0);

    54   checkGraphInArcList(G, n1, 0);

    55   checkGraphInArcList(G, n2, 1);

    56   checkGraphInArcList(G, n3, 0);

    58   checkGraphConArcList(G, 1);

    60   Arc a2 = G.addArc(n2, n1),

    61       a3 = G.addArc(n2, n3),

    62       a4 = G.addArc(n2, n3);

    63   ::lemon::ignore_unused_variable_warning(a2,a3,a4);

    65   checkGraphNodeList(G, 3);

    66   checkGraphArcList(G, 4);

    68   checkGraphOutArcList(G, n1, 1);

    69   checkGraphOutArcList(G, n2, 3);

    70   checkGraphOutArcList(G, n3, 0);

    72   checkGraphInArcList(G, n1, 1);

    73   checkGraphInArcList(G, n2, 1);

    74   checkGraphInArcList(G, n3, 2);

    76   checkGraphConArcList(G, 4);

    78   checkNodeIds(G);

    79   checkArcIds(G);

    80   checkGraphNodeMap(G);

    81   checkGraphArcMap(G);

    82 }

    84 template <class Digraph>

    85 void checkDigraphSplit() {

    86   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);

    88   Digraph G;

    89   Node n1 = G.addNode(), n2 = G.addNode(), n3 = G.addNode();

    90   Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n2, n1),

    91       a3 = G.addArc(n2, n3), a4 = G.addArc(n2, n3);

    92   ::lemon::ignore_unused_variable_warning(a1,a2,a3,a4);

    94   Node n4 = G.split(n2);

    96   check(G.target(OutArcIt(G, n2)) == n4 &&

    97         G.source(InArcIt(G, n4)) == n2,

    98         "Wrong split.");

   100   checkGraphNodeList(G, 4);

   101   checkGraphArcList(G, 5);

   103   checkGraphOutArcList(G, n1, 1);

   104   checkGraphOutArcList(G, n2, 1);

   105   checkGraphOutArcList(G, n3, 0);

   106   checkGraphOutArcList(G, n4, 3);

   108   checkGraphInArcList(G, n1, 1);

   109   checkGraphInArcList(G, n2, 1);

   110   checkGraphInArcList(G, n3, 2);

   111   checkGraphInArcList(G, n4, 1);

   113   checkGraphConArcList(G, 5);

   114 }

   116 template <class Digraph>

   117 void checkDigraphAlter() {

   118   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);

   120   Digraph G;

   121   Node n1 = G.addNode(), n2 = G.addNode(),

   122        n3 = G.addNode(), n4 = G.addNode();

   123   Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n4, n1),

   124       a3 = G.addArc(n4, n3), a4 = G.addArc(n4, n3),

   125       a5 = G.addArc(n2, n4);

   126   ::lemon::ignore_unused_variable_warning(a1,a2,a3,a5);

   128   checkGraphNodeList(G, 4);

   129   checkGraphArcList(G, 5);

   131   // Check changeSource() and changeTarget()

   132   G.changeTarget(a4, n1);

   134   checkGraphNodeList(G, 4);

   135   checkGraphArcList(G, 5);

   137   checkGraphOutArcList(G, n1, 1);

   138   checkGraphOutArcList(G, n2, 1);

   139   checkGraphOutArcList(G, n3, 0);

   140   checkGraphOutArcList(G, n4, 3);

   142   checkGraphInArcList(G, n1, 2);

   143   checkGraphInArcList(G, n2, 1);

   144   checkGraphInArcList(G, n3, 1);

   145   checkGraphInArcList(G, n4, 1);

   147   checkGraphConArcList(G, 5);

   149   G.changeSource(a4, n3);

   151   checkGraphNodeList(G, 4);

   152   checkGraphArcList(G, 5);

   154   checkGraphOutArcList(G, n1, 1);

   155   checkGraphOutArcList(G, n2, 1);

   156   checkGraphOutArcList(G, n3, 1);

   157   checkGraphOutArcList(G, n4, 2);

   159   checkGraphInArcList(G, n1, 2);

   160   checkGraphInArcList(G, n2, 1);

   161   checkGraphInArcList(G, n3, 1);

   162   checkGraphInArcList(G, n4, 1);

   164   checkGraphConArcList(G, 5);

   166   // Check contract()

   167   G.contract(n2, n4, false);

   169   checkGraphNodeList(G, 3);

   170   checkGraphArcList(G, 5);

   172   checkGraphOutArcList(G, n1, 1);

   173   checkGraphOutArcList(G, n2, 3);

   174   checkGraphOutArcList(G, n3, 1);

   176   checkGraphInArcList(G, n1, 2);

   177   checkGraphInArcList(G, n2, 2);

   178   checkGraphInArcList(G, n3, 1);

   180   checkGraphConArcList(G, 5);

   182   G.contract(n2, n1);

   184   checkGraphNodeList(G, 2);

   185   checkGraphArcList(G, 3);

   187   checkGraphOutArcList(G, n2, 2);

   188   checkGraphOutArcList(G, n3, 1);

   190   checkGraphInArcList(G, n2, 2);

   191   checkGraphInArcList(G, n3, 1);

   193   checkGraphConArcList(G, 3);

   194 }

   196 template <class Digraph>

   197 void checkDigraphErase() {

   198   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);

   200   Digraph G;

   201   Node n1 = G.addNode(), n2 = G.addNode(),

   202        n3 = G.addNode(), n4 = G.addNode();

   203   Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n4, n1),

   204       a3 = G.addArc(n4, n3), a4 = G.addArc(n3, n1),

   205       a5 = G.addArc(n2, n4);

   206   ::lemon::ignore_unused_variable_warning(a2,a3,a4,a5);

   208   // Check arc deletion

   209   G.erase(a1);

   211   checkGraphNodeList(G, 4);

   212   checkGraphArcList(G, 4);

   214   checkGraphOutArcList(G, n1, 0);

   215   checkGraphOutArcList(G, n2, 1);

   216   checkGraphOutArcList(G, n3, 1);

   217   checkGraphOutArcList(G, n4, 2);

   219   checkGraphInArcList(G, n1, 2);

   220   checkGraphInArcList(G, n2, 0);

   221   checkGraphInArcList(G, n3, 1);

   222   checkGraphInArcList(G, n4, 1);

   224   checkGraphConArcList(G, 4);

   226   // Check node deletion

   227   G.erase(n4);

   229   checkGraphNodeList(G, 3);

   230   checkGraphArcList(G, 1);

   232   checkGraphOutArcList(G, n1, 0);

   233   checkGraphOutArcList(G, n2, 0);

   234   checkGraphOutArcList(G, n3, 1);

   235   checkGraphOutArcList(G, n4, 0);

   237   checkGraphInArcList(G, n1, 1);

   238   checkGraphInArcList(G, n2, 0);

   239   checkGraphInArcList(G, n3, 0);

   240   checkGraphInArcList(G, n4, 0);

   242   checkGraphConArcList(G, 1);

   243 }

   246 template <class Digraph>

   247 void checkDigraphSnapshot() {

   248   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);

   250   Digraph G;

   251   Node n1 = G.addNode(), n2 = G.addNode(), n3 = G.addNode();

   252   Arc a1 = G.addArc(n1, n2), a2 = G.addArc(n2, n1),

   253       a3 = G.addArc(n2, n3), a4 = G.addArc(n2, n3);

   254   ::lemon::ignore_unused_variable_warning(a1,a2,a3,a4);

   256   typename Digraph::Snapshot snapshot(G);

   258   Node n = G.addNode();

   259   G.addArc(n3, n);

   260   G.addArc(n, n3);

   262   checkGraphNodeList(G, 4);

   263   checkGraphArcList(G, 6);

   265   snapshot.restore();

   267   checkGraphNodeList(G, 3);

   268   checkGraphArcList(G, 4);

   270   checkGraphOutArcList(G, n1, 1);

   271   checkGraphOutArcList(G, n2, 3);

   272   checkGraphOutArcList(G, n3, 0);

   274   checkGraphInArcList(G, n1, 1);

   275   checkGraphInArcList(G, n2, 1);

   276   checkGraphInArcList(G, n3, 2);

   278   checkGraphConArcList(G, 4);

   280   checkNodeIds(G);

   281   checkArcIds(G);

   282   checkGraphNodeMap(G);

   283   checkGraphArcMap(G);

   285   G.addNode();

   286   snapshot.save(G);

   288   G.addArc(G.addNode(), G.addNode());

   290   snapshot.restore();

   292   checkGraphNodeList(G, 4);

   293   checkGraphArcList(G, 4);

   294 }

   296 void checkConcepts() {

   297   { // Checking digraph components

   298     checkConcept<BaseDigraphComponent, BaseDigraphComponent >();

   300     checkConcept<IDableDigraphComponent<>,

   301       IDableDigraphComponent<> >();

   303     checkConcept<IterableDigraphComponent<>,

   304       IterableDigraphComponent<> >();

   306     checkConcept<MappableDigraphComponent<>,

   307       MappableDigraphComponent<> >();

   308   }

   309   { // Checking skeleton digraph

   310     checkConcept<Digraph, Digraph>();

   311   }

   312   { // Checking ListDigraph

   313     checkConcept<Digraph, ListDigraph>();

   314     checkConcept<AlterableDigraphComponent<>, ListDigraph>();

   315     checkConcept<ExtendableDigraphComponent<>, ListDigraph>();

   316     checkConcept<ClearableDigraphComponent<>, ListDigraph>();

   317     checkConcept<ErasableDigraphComponent<>, ListDigraph>();

   318   }

   319   { // Checking SmartDigraph

   320     checkConcept<Digraph, SmartDigraph>();

   321     checkConcept<AlterableDigraphComponent<>, SmartDigraph>();

   322     checkConcept<ExtendableDigraphComponent<>, SmartDigraph>();

   323     checkConcept<ClearableDigraphComponent<>, SmartDigraph>();

   324   }

   325   { // Checking FullDigraph

   326     checkConcept<Digraph, FullDigraph>();

   327   }

   328 }

   330 template <typename Digraph>

   331 void checkDigraphValidity() {

   332   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);

   333   Digraph g;

   335   Node

   336     n1 = g.addNode(),

   337     n2 = g.addNode(),

   338     n3 = g.addNode();

   340   Arc

   341     e1 = g.addArc(n1, n2),

   342     e2 = g.addArc(n2, n3);

   343   ::lemon::ignore_unused_variable_warning(e2);

   345   check(g.valid(n1), "Wrong validity check");

   346   check(g.valid(e1), "Wrong validity check");

   348   check(!g.valid(g.nodeFromId(-1)), "Wrong validity check");

   349   check(!g.valid(g.arcFromId(-1)), "Wrong validity check");

   350 }

   352 template <typename Digraph>

   353 void checkDigraphValidityErase() {

   354   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);

   355   Digraph g;

   357   Node

   358     n1 = g.addNode(),

   359     n2 = g.addNode(),

   360     n3 = g.addNode();

   362   Arc

   363     e1 = g.addArc(n1, n2),

   364     e2 = g.addArc(n2, n3);

   366   check(g.valid(n1), "Wrong validity check");

   367   check(g.valid(e1), "Wrong validity check");

   369   g.erase(n1);

   371   check(!g.valid(n1), "Wrong validity check");

   372   check(g.valid(n2), "Wrong validity check");

   373   check(g.valid(n3), "Wrong validity check");

   374   check(!g.valid(e1), "Wrong validity check");

   375   check(g.valid(e2), "Wrong validity check");

   377   check(!g.valid(g.nodeFromId(-1)), "Wrong validity check");

   378   check(!g.valid(g.arcFromId(-1)), "Wrong validity check");

   379 }

   381 void checkFullDigraph(int num) {

   382   typedef FullDigraph Digraph;

   383   DIGRAPH_TYPEDEFS(Digraph);

   384   Digraph G(num);

   386   checkGraphNodeList(G, num);

   387   checkGraphArcList(G, num * num);

   389   for (NodeIt n(G); n != INVALID; ++n) {

   390     checkGraphOutArcList(G, n, num);

   391     checkGraphInArcList(G, n, num);

   392   }

   394   checkGraphConArcList(G, num * num);

   396   checkNodeIds(G);

   397   checkArcIds(G);

   398   checkGraphNodeMap(G);

   399   checkGraphArcMap(G);

   401   for (int i = 0; i < G.nodeNum(); ++i) {

   402     check(G.index(G(i)) == i, "Wrong index");

   403   }

   405   for (NodeIt s(G); s != INVALID; ++s) {

   406     for (NodeIt t(G); t != INVALID; ++t) {

   407       Arc a = G.arc(s, t);

   408       check(G.source(a) == s && G.target(a) == t, "Wrong arc lookup");

   409     }

   410   }

   411 }

   413 void checkDigraphs() {

   414   { // Checking ListDigraph

   415     checkDigraphBuild<ListDigraph>();

   416     checkDigraphSplit<ListDigraph>();

   417     checkDigraphAlter<ListDigraph>();

   418     checkDigraphErase<ListDigraph>();

   419     checkDigraphSnapshot<ListDigraph>();

   420     checkDigraphValidityErase<ListDigraph>();

   421   }

   422   { // Checking SmartDigraph

   423     checkDigraphBuild<SmartDigraph>();

   424     checkDigraphSplit<SmartDigraph>();

   425     checkDigraphSnapshot<SmartDigraph>();

   426     checkDigraphValidity<SmartDigraph>();

   427   }

   428   { // Checking FullDigraph

   429     checkFullDigraph(8);

   430   }

   431 }

   433 int main() {

   434   checkDigraphs();

   435   checkConcepts();

   436   return 0;

   437 }

author	Balazs Dezso <deba@google.com>
	Thu, 08 Aug 2013 22:56:10 +0200
changeset 1265	552e3d1242c6
parent 1157	761fe0846f49
child 1259	8b2d4e5d96e4
permissions	-rw-r--r--