lemon-main: test/digraph_test.cc@f8c468367dab

     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   G.reserveNode(3);

    39   G.reserveArc(4);

    41   Node

    42     n1 = G.addNode(),

    43     n2 = G.addNode(),

    44     n3 = G.addNode();

    45   checkGraphNodeList(G, 3);

    46   checkGraphArcList(G, 0);

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

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

    50   checkGraphNodeList(G, 3);

    51   checkGraphArcList(G, 1);

    53   checkGraphOutArcList(G, n1, 1);

    54   checkGraphOutArcList(G, n2, 0);

    55   checkGraphOutArcList(G, n3, 0);

    57   checkGraphInArcList(G, n1, 0);

    58   checkGraphInArcList(G, n2, 1);

    59   checkGraphInArcList(G, n3, 0);

    61   checkGraphConArcList(G, 1);

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

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

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

    67   checkGraphNodeList(G, 3);

    68   checkGraphArcList(G, 4);

    70   checkGraphOutArcList(G, n1, 1);

    71   checkGraphOutArcList(G, n2, 3);

    72   checkGraphOutArcList(G, n3, 0);

    74   checkGraphInArcList(G, n1, 1);

    75   checkGraphInArcList(G, n2, 1);

    76   checkGraphInArcList(G, n3, 2);

    78   checkGraphConArcList(G, 4);

    80   checkNodeIds(G);

    81   checkArcIds(G);

    82   checkGraphNodeMap(G);

    83   checkGraphArcMap(G);

    84 }

    86 template <class Digraph>

    87 void checkDigraphSplit() {

    88   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);

    90   Digraph G;

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

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

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

    95   Node n4 = G.split(n2);

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

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

    99         "Wrong split.");

   101   checkGraphNodeList(G, 4);

   102   checkGraphArcList(G, 5);

   104   checkGraphOutArcList(G, n1, 1);

   105   checkGraphOutArcList(G, n2, 1);

   106   checkGraphOutArcList(G, n3, 0);

   107   checkGraphOutArcList(G, n4, 3);

   109   checkGraphInArcList(G, n1, 1);

   110   checkGraphInArcList(G, n2, 1);

   111   checkGraphInArcList(G, n3, 2);

   112   checkGraphInArcList(G, n4, 1);

   114   checkGraphConArcList(G, 5);

   115 }

   117 template <class Digraph>

   118 void checkDigraphAlter() {

   119   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);

   121   Digraph G;

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

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

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

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

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

   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);

   207   // Check arc deletion

   208   G.erase(a1);

   210   checkGraphNodeList(G, 4);

   211   checkGraphArcList(G, 4);

   213   checkGraphOutArcList(G, n1, 0);

   214   checkGraphOutArcList(G, n2, 1);

   215   checkGraphOutArcList(G, n3, 1);

   216   checkGraphOutArcList(G, n4, 2);

   218   checkGraphInArcList(G, n1, 2);

   219   checkGraphInArcList(G, n2, 0);

   220   checkGraphInArcList(G, n3, 1);

   221   checkGraphInArcList(G, n4, 1);

   223   checkGraphConArcList(G, 4);

   225   // Check node deletion

   226   G.erase(n4);

   228   checkGraphNodeList(G, 3);

   229   checkGraphArcList(G, 1);

   231   checkGraphOutArcList(G, n1, 0);

   232   checkGraphOutArcList(G, n2, 0);

   233   checkGraphOutArcList(G, n3, 1);

   234   checkGraphOutArcList(G, n4, 0);

   236   checkGraphInArcList(G, n1, 1);

   237   checkGraphInArcList(G, n2, 0);

   238   checkGraphInArcList(G, n3, 0);

   239   checkGraphInArcList(G, n4, 0);

   241   checkGraphConArcList(G, 1);

   242 }

   245 template <class Digraph>

   246 void checkDigraphSnapshot() {

   247   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);

   249   Digraph G;

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

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

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

   254   typename Digraph::Snapshot snapshot(G);

   256   Node n = G.addNode();

   257   G.addArc(n3, n);

   258   G.addArc(n, n3);

   260   checkGraphNodeList(G, 4);

   261   checkGraphArcList(G, 6);

   263   snapshot.restore();

   265   checkGraphNodeList(G, 3);

   266   checkGraphArcList(G, 4);

   268   checkGraphOutArcList(G, n1, 1);

   269   checkGraphOutArcList(G, n2, 3);

   270   checkGraphOutArcList(G, n3, 0);

   272   checkGraphInArcList(G, n1, 1);

   273   checkGraphInArcList(G, n2, 1);

   274   checkGraphInArcList(G, n3, 2);

   276   checkGraphConArcList(G, 4);

   278   checkNodeIds(G);

   279   checkArcIds(G);

   280   checkGraphNodeMap(G);

   281   checkGraphArcMap(G);

   283   G.addNode();

   284   snapshot.save(G);

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

   288   snapshot.restore();

   289   snapshot.save(G);

   291   checkGraphNodeList(G, 4);

   292   checkGraphArcList(G, 4);

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

   296   snapshot.restore();

   298   checkGraphNodeList(G, 4);

   299   checkGraphArcList(G, 4);

   300 }

   302 void checkConcepts() {

   303   { // Checking digraph components

   304     checkConcept<BaseDigraphComponent, BaseDigraphComponent >();

   306     checkConcept<IDableDigraphComponent<>,

   307       IDableDigraphComponent<> >();

   309     checkConcept<IterableDigraphComponent<>,

   310       IterableDigraphComponent<> >();

   312     checkConcept<MappableDigraphComponent<>,

   313       MappableDigraphComponent<> >();

   314   }

   315   { // Checking skeleton digraph

   316     checkConcept<Digraph, Digraph>();

   317   }

   318   { // Checking ListDigraph

   319     checkConcept<Digraph, ListDigraph>();

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

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

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

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

   324   }

   325   { // Checking SmartDigraph

   326     checkConcept<Digraph, SmartDigraph>();

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

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

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

   330   }

   331   { // Checking FullDigraph

   332     checkConcept<Digraph, FullDigraph>();

   333   }

   334 }

   336 template <typename Digraph>

   337 void checkDigraphValidity() {

   338   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);

   339   Digraph g;

   341   Node

   342     n1 = g.addNode(),

   343     n2 = g.addNode(),

   344     n3 = g.addNode();

   346   Arc

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

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

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

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

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

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

   355 }

   357 template <typename Digraph>

   358 void checkDigraphValidityErase() {

   359   TEMPLATE_DIGRAPH_TYPEDEFS(Digraph);

   360   Digraph g;

   362   Node

   363     n1 = g.addNode(),

   364     n2 = g.addNode(),

   365     n3 = g.addNode();

   367   Arc

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

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

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

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

   374   g.erase(n1);

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

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

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

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

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

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

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

   384 }

   386 void checkFullDigraph(int num) {

   387   typedef FullDigraph Digraph;

   388   DIGRAPH_TYPEDEFS(Digraph);

   390   Digraph G(num);

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

   393   G.resize(num);

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

   396   checkGraphNodeList(G, num);

   397   checkGraphArcList(G, num * num);

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

   400     checkGraphOutArcList(G, n, num);

   401     checkGraphInArcList(G, n, num);

   402   }

   404   checkGraphConArcList(G, num * num);

   406   checkNodeIds(G);

   407   checkArcIds(G);

   408   checkGraphNodeMap(G);

   409   checkGraphArcMap(G);

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

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

   413   }

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

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

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

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

   419     }

   420   }

   421 }

   423 void checkDigraphs() {

   424   { // Checking ListDigraph

   425     checkDigraphBuild<ListDigraph>();

   426     checkDigraphSplit<ListDigraph>();

   427     checkDigraphAlter<ListDigraph>();

   428     checkDigraphErase<ListDigraph>();

   429     checkDigraphSnapshot<ListDigraph>();

   430     checkDigraphValidityErase<ListDigraph>();

   431   }

   432   { // Checking SmartDigraph

   433     checkDigraphBuild<SmartDigraph>();

   434     checkDigraphSplit<SmartDigraph>();

   435     checkDigraphSnapshot<SmartDigraph>();

   436     checkDigraphValidity<SmartDigraph>();

   437   }

   438   { // Checking FullDigraph

   439     checkFullDigraph(8);

   440   }

   441 }

   443 int main() {

   444   checkDigraphs();

   445   checkConcepts();

   446   return 0;

   447 }

author	Alpar Juttner <alpar@cs.elte.hu>
	Sat, 26 Sep 2009 10:15:49 +0200
changeset 744	f8c468367dab
parent 737	9d6c3e8b2421
child 780	580af8cf2f6a
permissions	-rw-r--r--