lemon: test/digraph_test.cc@fc1aa7c01c55

     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) 2003-2010

     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/static_graph.h>

    23 #include <lemon/full_graph.h>

    25 #include "test_tools.h"

    26 #include "graph_test.h"

    28 using namespace lemon;

    29 using namespace lemon::concepts;

    31 template <class Digraph>

    32 void checkDigraphBuild() {

    33   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);

    34   Digraph G;

    36   checkGraphNodeList(G, 0);

    37   checkGraphArcList(G, 0);

    39   G.reserveNode(3);

    40   G.reserveArc(4);

    42   Node

    43     n1 = G.addNode(),

    44     n2 = G.addNode(),

    45     n3 = G.addNode();

    46   checkGraphNodeList(G, 3);

    47   checkGraphArcList(G, 0);

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

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

    51   checkGraphNodeList(G, 3);

    52   checkGraphArcList(G, 1);

    54   checkGraphOutArcList(G, n1, 1);

    55   checkGraphOutArcList(G, n2, 0);

    56   checkGraphOutArcList(G, n3, 0);

    58   checkGraphInArcList(G, n1, 0);

    59   checkGraphInArcList(G, n2, 1);

    60   checkGraphInArcList(G, n3, 0);

    62   checkGraphConArcList(G, 1);

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

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

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

    68   checkGraphNodeList(G, 3);

    69   checkGraphArcList(G, 4);

    71   checkGraphOutArcList(G, n1, 1);

    72   checkGraphOutArcList(G, n2, 3);

    73   checkGraphOutArcList(G, n3, 0);

    75   checkGraphInArcList(G, n1, 1);

    76   checkGraphInArcList(G, n2, 1);

    77   checkGraphInArcList(G, n3, 2);

    79   checkGraphConArcList(G, 4);

    81   checkNodeIds(G);

    82   checkArcIds(G);

    83   checkGraphNodeMap(G);

    84   checkGraphArcMap(G);

    85 }

    87 template <class Digraph>

    88 void checkDigraphSplit() {

    89   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);

    91   Digraph G;

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

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

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

    96   Node n4 = G.split(n2);

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

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

   100         "Wrong split.");

   102   checkGraphNodeList(G, 4);

   103   checkGraphArcList(G, 5);

   105   checkGraphOutArcList(G, n1, 1);

   106   checkGraphOutArcList(G, n2, 1);

   107   checkGraphOutArcList(G, n3, 0);

   108   checkGraphOutArcList(G, n4, 3);

   110   checkGraphInArcList(G, n1, 1);

   111   checkGraphInArcList(G, n2, 1);

   112   checkGraphInArcList(G, n3, 2);

   113   checkGraphInArcList(G, n4, 1);

   115   checkGraphConArcList(G, 5);

   116 }

   118 template <class Digraph>

   119 void checkDigraphAlter() {

   120   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);

   122   Digraph G;

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

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

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

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

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

   129   checkGraphNodeList(G, 4);

   130   checkGraphArcList(G, 5);

   132   // Check changeSource() and changeTarget()

   133   G.changeTarget(a4, n1);

   135   checkGraphNodeList(G, 4);

   136   checkGraphArcList(G, 5);

   138   checkGraphOutArcList(G, n1, 1);

   139   checkGraphOutArcList(G, n2, 1);

   140   checkGraphOutArcList(G, n3, 0);

   141   checkGraphOutArcList(G, n4, 3);

   143   checkGraphInArcList(G, n1, 2);

   144   checkGraphInArcList(G, n2, 1);

   145   checkGraphInArcList(G, n3, 1);

   146   checkGraphInArcList(G, n4, 1);

   148   checkGraphConArcList(G, 5);

   150   G.changeSource(a4, n3);

   152   checkGraphNodeList(G, 4);

   153   checkGraphArcList(G, 5);

   155   checkGraphOutArcList(G, n1, 1);

   156   checkGraphOutArcList(G, n2, 1);

   157   checkGraphOutArcList(G, n3, 1);

   158   checkGraphOutArcList(G, n4, 2);

   160   checkGraphInArcList(G, n1, 2);

   161   checkGraphInArcList(G, n2, 1);

   162   checkGraphInArcList(G, n3, 1);

   163   checkGraphInArcList(G, n4, 1);

   165   checkGraphConArcList(G, 5);

   167   // Check contract()

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

   170   checkGraphNodeList(G, 3);

   171   checkGraphArcList(G, 5);

   173   checkGraphOutArcList(G, n1, 1);

   174   checkGraphOutArcList(G, n2, 3);

   175   checkGraphOutArcList(G, n3, 1);

   177   checkGraphInArcList(G, n1, 2);

   178   checkGraphInArcList(G, n2, 2);

   179   checkGraphInArcList(G, n3, 1);

   181   checkGraphConArcList(G, 5);

   183   G.contract(n2, n1);

   185   checkGraphNodeList(G, 2);

   186   checkGraphArcList(G, 3);

   188   checkGraphOutArcList(G, n2, 2);

   189   checkGraphOutArcList(G, n3, 1);

   191   checkGraphInArcList(G, n2, 2);

   192   checkGraphInArcList(G, n3, 1);

   194   checkGraphConArcList(G, 3);

   195 }

   197 template <class Digraph>

   198 void checkDigraphErase() {

   199   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);

   201   Digraph G;

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

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

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

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

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

   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);

   255   typename Digraph::Snapshot snapshot(G);

   257   Node n = G.addNode();

   258   G.addArc(n3, n);

   259   G.addArc(n, n3);

   261   checkGraphNodeList(G, 4);

   262   checkGraphArcList(G, 6);

   264   snapshot.restore();

   266   checkGraphNodeList(G, 3);

   267   checkGraphArcList(G, 4);

   269   checkGraphOutArcList(G, n1, 1);

   270   checkGraphOutArcList(G, n2, 3);

   271   checkGraphOutArcList(G, n3, 0);

   273   checkGraphInArcList(G, n1, 1);

   274   checkGraphInArcList(G, n2, 1);

   275   checkGraphInArcList(G, n3, 2);

   277   checkGraphConArcList(G, 4);

   279   checkNodeIds(G);

   280   checkArcIds(G);

   281   checkGraphNodeMap(G);

   282   checkGraphArcMap(G);

   284   G.addNode();

   285   snapshot.save(G);

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

   289   snapshot.restore();

   290   snapshot.save(G);

   292   checkGraphNodeList(G, 4);

   293   checkGraphArcList(G, 4);

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

   297   snapshot.restore();

   299   checkGraphNodeList(G, 4);

   300   checkGraphArcList(G, 4);

   301 }

   303 void checkConcepts() {

   304   { // Checking digraph components

   305     checkConcept<BaseDigraphComponent, BaseDigraphComponent >();

   307     checkConcept<IDableDigraphComponent<>,

   308       IDableDigraphComponent<> >();

   310     checkConcept<IterableDigraphComponent<>,

   311       IterableDigraphComponent<> >();

   313     checkConcept<MappableDigraphComponent<>,

   314       MappableDigraphComponent<> >();

   315   }

   316   { // Checking skeleton digraph

   317     checkConcept<Digraph, Digraph>();

   318   }

   319   { // Checking ListDigraph

   320     checkConcept<Digraph, ListDigraph>();

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

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

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

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

   325   }

   326   { // Checking SmartDigraph

   327     checkConcept<Digraph, SmartDigraph>();

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

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

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

   331   }

   332   { // Checking StaticDigraph

   333     checkConcept<Digraph, StaticDigraph>();

   334     checkConcept<ClearableDigraphComponent<>, StaticDigraph>();

   335   }

   336   { // Checking FullDigraph

   337     checkConcept<Digraph, FullDigraph>();

   338   }

   339 }

   341 template <typename Digraph>

   342 void checkDigraphValidity() {

   343   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);

   344   Digraph g;

   346   Node

   347     n1 = g.addNode(),

   348     n2 = g.addNode(),

   349     n3 = g.addNode();

   351   Arc

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

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

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

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

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

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

   360 }

   362 template <typename Digraph>

   363 void checkDigraphValidityErase() {

   364   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);

   365   Digraph g;

   367   Node

   368     n1 = g.addNode(),

   369     n2 = g.addNode(),

   370     n3 = g.addNode();

   372   Arc

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

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

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

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

   379   g.erase(n1);

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

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

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

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

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

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

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

   389 }

   391 void checkStaticDigraph() {

   392   SmartDigraph g;

   393   SmartDigraph::NodeMap<StaticDigraph::Node> nref(g);

   394   SmartDigraph::ArcMap<StaticDigraph::Arc> aref(g);

   396   StaticDigraph G;

   398   checkGraphNodeList(G, 0);

   399   checkGraphArcList(G, 0);

   401   G.build(g, nref, aref);

   403   checkGraphNodeList(G, 0);

   404   checkGraphArcList(G, 0);

   406   SmartDigraph::Node

   407     n1 = g.addNode(),

   408     n2 = g.addNode(),

   409     n3 = g.addNode();

   411   G.build(g, nref, aref);

   413   checkGraphNodeList(G, 3);

   414   checkGraphArcList(G, 0);

   416   SmartDigraph::Arc a1 = g.addArc(n1, n2);

   418   G.build(g, nref, aref);

   420   check(G.source(aref[a1]) == nref[n1] && G.target(aref[a1]) == nref[n2],

   421         "Wrong arc or wrong references");

   422   checkGraphNodeList(G, 3);

   423   checkGraphArcList(G, 1);

   425   checkGraphOutArcList(G, nref[n1], 1);

   426   checkGraphOutArcList(G, nref[n2], 0);

   427   checkGraphOutArcList(G, nref[n3], 0);

   429   checkGraphInArcList(G, nref[n1], 0);

   430   checkGraphInArcList(G, nref[n2], 1);

   431   checkGraphInArcList(G, nref[n3], 0);

   433   checkGraphConArcList(G, 1);

   435   SmartDigraph::Arc

   436     a2 = g.addArc(n2, n1),

   437     a3 = g.addArc(n2, n3),

   438     a4 = g.addArc(n2, n3);

   440   digraphCopy(g, G).nodeRef(nref).run();

   442   checkGraphNodeList(G, 3);

   443   checkGraphArcList(G, 4);

   445   checkGraphOutArcList(G, nref[n1], 1);

   446   checkGraphOutArcList(G, nref[n2], 3);

   447   checkGraphOutArcList(G, nref[n3], 0);

   449   checkGraphInArcList(G, nref[n1], 1);

   450   checkGraphInArcList(G, nref[n2], 1);

   451   checkGraphInArcList(G, nref[n3], 2);

   453   checkGraphConArcList(G, 4);

   455   std::vector<std::pair<int,int> > arcs;

   456   arcs.push_back(std::make_pair(0,1));

   457   arcs.push_back(std::make_pair(0,2));

   458   arcs.push_back(std::make_pair(1,3));

   459   arcs.push_back(std::make_pair(1,2));

   460   arcs.push_back(std::make_pair(3,0));

   461   arcs.push_back(std::make_pair(3,3));

   462   arcs.push_back(std::make_pair(4,2));

   463   arcs.push_back(std::make_pair(4,3));

   464   arcs.push_back(std::make_pair(4,1));

   466   G.build(6, arcs.begin(), arcs.end());

   468   checkGraphNodeList(G, 6);

   469   checkGraphArcList(G, 9);

   471   checkGraphOutArcList(G, G.node(0), 2);

   472   checkGraphOutArcList(G, G.node(1), 2);

   473   checkGraphOutArcList(G, G.node(2), 0);

   474   checkGraphOutArcList(G, G.node(3), 2);

   475   checkGraphOutArcList(G, G.node(4), 3);

   476   checkGraphOutArcList(G, G.node(5), 0);

   478   checkGraphInArcList(G, G.node(0), 1);

   479   checkGraphInArcList(G, G.node(1), 2);

   480   checkGraphInArcList(G, G.node(2), 3);

   481   checkGraphInArcList(G, G.node(3), 3);

   482   checkGraphInArcList(G, G.node(4), 0);

   483   checkGraphInArcList(G, G.node(5), 0);

   485   checkGraphConArcList(G, 9);

   487   checkNodeIds(G);

   488   checkArcIds(G);

   489   checkGraphNodeMap(G);

   490   checkGraphArcMap(G);

   492   int n = G.nodeNum();

   493   int m = G.arcNum();

   494   check(G.index(G.node(n-1)) == n-1, "Wrong index.");

   495   check(G.index(G.arc(m-1)) == m-1, "Wrong index.");

   496 }

   498 void checkFullDigraph(int num) {

   499   typedef FullDigraph Digraph;

   500   DIGRAPH_TYPEDEFS(Digraph);

   502   Digraph G(num);

   503   check(G.nodeNum() == num && G.arcNum() == num * num, "Wrong size");

   505   G.resize(num);

   506   check(G.nodeNum() == num && G.arcNum() == num * num, "Wrong size");

   508   checkGraphNodeList(G, num);

   509   checkGraphArcList(G, num * num);

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

   512     checkGraphOutArcList(G, n, num);

   513     checkGraphInArcList(G, n, num);

   514   }

   516   checkGraphConArcList(G, num * num);

   518   checkNodeIds(G);

   519   checkArcIds(G);

   520   checkGraphNodeMap(G);

   521   checkGraphArcMap(G);

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

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

   525   }

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

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

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

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

   531     }

   532   }

   533 }

   535 void checkDigraphs() {

   536   { // Checking ListDigraph

   537     checkDigraphBuild<ListDigraph>();

   538     checkDigraphSplit<ListDigraph>();

   539     checkDigraphAlter<ListDigraph>();

   540     checkDigraphErase<ListDigraph>();

   541     checkDigraphSnapshot<ListDigraph>();

   542     checkDigraphValidityErase<ListDigraph>();

   543   }

   544   { // Checking SmartDigraph

   545     checkDigraphBuild<SmartDigraph>();

   546     checkDigraphSplit<SmartDigraph>();

   547     checkDigraphSnapshot<SmartDigraph>();

   548     checkDigraphValidity<SmartDigraph>();

   549   }

   550   { // Checking StaticDigraph

   551     checkStaticDigraph();

   552   }

   553   { // Checking FullDigraph

   554     checkFullDigraph(8);

   555   }

   556 }

   558 int main() {

   559   checkDigraphs();

   560   checkConcepts();

   561   return 0;

   562 }

author	Alpar Juttner <alpar@cs.elte.hu>
	Wed, 01 Feb 2012 06:43:50 +0100
changeset 1135	fc1aa7c01c55
parent 827	580af8cf2f6a
child 1159	7fdaa05a69a1
permissions	-rw-r--r--